User contributions for Saurabh
From Notes_Wiki
- 17:35, 15 November 2012 diff hist +1,795 N Configuring authentication for apache using password file Created page with "=Configuring authentication for apache using a password file= ==Allowing authentication via .htaccess== To configure authentication for apache using password file we can ent..."
- 17:32, 15 November 2012 diff hist +117 m Apache web server configuration
- 17:31, 15 November 2012 diff hist +404 m Miscellaneous openVZ notes
- 17:30, 15 November 2012 diff hist −50 m OpenvZ
- 17:29, 15 November 2012 diff hist +50 m OpenvZ
- 11:01, 14 November 2012 diff hist +477 N Bc Created page with "=bc= '<tt>bc</tt>' is an arbitary precision calculator for Linux. It is very useful as normal shell arithmetic is very limited. For example shell does not supports division o..."
- 10:59, 14 November 2012 diff hist +8 m Shell scripting
- 04:29, 14 November 2012 diff hist +529 m Disabling link to talk/discussion page
- 04:25, 14 November 2012 diff hist +88 N MediaWiki:Common.css Created page with "→CSS placed here will be applied to all skins: #ca-talk { display:none!important; }" current
- 14:17, 13 November 2012 diff hist +358 N Disabling link to talk/discussion page Created page with "=Disabling link to talk/discussion page= To disable link to talk/discussion page for a wiki, enter following lines in '<tt>LocalSettings.php</tt>' file: <pre> $wgHooks['SkinT..."
- 14:17, 13 November 2012 diff hist +44 m Mediawiki configuration
- 05:11, 13 November 2012 diff hist +5,535 N Basic bazaar commands Created page with "=Bazaar commands= Bazaar commands described below work in '''exactly''' same way in Linux and Windows. ==Commands for working directly in repository as single user== ===S..."
- 05:00, 13 November 2012 diff hist +490 N Installing bazaar Created page with "=Installing bazaar= ==Linux installation== In linux bazaar can be installed using package managers such as '<tt>yum</tt>' or '<tt>apt</tt>'. Most common name of bazaar packa..."
- 04:59, 13 November 2012 diff hist +23 m Bazaar
- 04:56, 13 November 2012 diff hist +6,430 N Emacs and org-mode notes Created page with "=Keyboard shortcuts= ==File related shortcuts== {| border="1" cellspacing="5" cellpadding="10" |- | '''Shortcut''' || '''Description''' |- | C-x C-s || Save file ..."
- 04:56, 13 November 2012 diff hist +3,623 N Elisp notes Created page with "=Elisp notes= ==Executing elisp code== * We can use *:<pre> *:: lisp-interaction-mode *:</pre> *:command to change mode in which current buffer is evaluated from Fundame..."
- 04:55, 13 November 2012 diff hist +1,429 N Configure .emacs file Created page with "=Configure .emacs file= Use following as <tt>.emacs</tt> configuration. If there are already few lines in .emacs file then these lines can be appended / prepended to existing..."
- 04:55, 13 November 2012 diff hist +955 N Installing emacs package manager Created page with "=Installing emacs package manager= Instructions of installing emacs package manager using short-emacs code are available at http://tromey.com/elpa/install.html Steps are..."
- 04:54, 13 November 2012 diff hist +776 N Emacs installation from source Created page with "=Emacs installation from source= Following steps can be used to install emacs from source: #Install libotf-devel using '<tt>yum -y install libotf-devel</tt>' #Download emacs ..."
- 04:54, 13 November 2012 diff hist +156 N Emacs Created page with "=Emacs= *Emacs installation from source *Installing emacs package manager *Configure .emacs file *Elisp notes *Emacs and org-mode notes"
- 04:53, 13 November 2012 diff hist +45 N Text editors Created page with "=Text Editors= *Emacs *tea *nano"
- 04:53, 13 November 2012 diff hist +18 m Main Page
- 04:52, 13 November 2012 diff hist +1,536 N Setup svn over HTTP server Created page with "=Setup SVN over HTTP server= To setup SVN over HTTP (apache) server use: #Install subversion and mod_dav_svn packages using '<tt>yum -y install subversion mod_dav_svn</tt>' #..."
- 04:52, 13 November 2012 diff hist +826 N Setup svn over SSH server Created page with "=Setup SVN over SSH server= To setup SVN over SSH server use following steps: #First ensure that all users who are going to use the repository are in some group. #Ensure use..."
- 04:51, 13 November 2012 diff hist +688 N Restoring old revisions from SVN repository Created page with "=Restoring old revisions from SVN repository= ==Restoring entire tree== We have to different options of restoring old versions using svn. We can either restore entire svn tre..."
- 04:51, 13 November 2012 diff hist +1,208 N Setting up local SVN server Created page with "=Setting up local SVN server= In case we want to maintain different revisions / version of a project on same system then we can setup local SVN. To create a SVN repository us..."
- 04:50, 13 November 2012 diff hist +164 N Subversion Created page with "=Subversion (SVN)= *Setting up local SVN server *Restoring old revisions from SVN repository *Setup svn over SSH server *Setup svn over HTTP server"
- 04:49, 13 November 2012 diff hist +2,351 N Setup git over HTTP server Created page with "=Setup git over HTTP server= To setup git over HTTP server use following steps: #Install package git #Choose a base folder for all git repositories, for example, '<tt>/var/ww..."
- 04:48, 13 November 2012 diff hist +1,300 N Setup git over SSH server Created page with "=Setup git over SSH server= To setup git over SSH server use following steps: #First ensure that all users who are going to use the repository are in some user group. #Ensure..."
- 04:48, 13 November 2012 diff hist +1,374 N Git branching and merging Created page with "=Git branching and merging= Creating, merging and deleting branches with git is very easy. ==Creating a new branch== To create a new branch of development we can use: <pr..."
- 04:47, 13 November 2012 diff hist +4,491 N Basic git Created page with "=Basic git= ==Git config== When using git for first time we should set global config values that can be used in all git projects using <pre> git config --global user.nam..."
- 04:47, 13 November 2012 diff hist +115 N Git Created page with "=git= *Basic git *Git branching and merging *Setup git over SSH server *Setup git over HTTP server"
- 04:46, 13 November 2012 diff hist +4,170 N Setup bazaar over HTTP server Created page with "=Setup bazaar over HTTP server= To setup bazaar over HTTP server use following steps: #Install mod_python package using '<tt>yum -y install mod_python</tt>'. (Requires epel r..."
- 04:46, 13 November 2012 diff hist +2,514 N Setup bazaar over SSH server Created page with "=Setup bazaar over SSH server= To setup bazaar over SSH use: #First ensure that all users who are going to use the repository are in same user group. #Enable SSH to machine b..."
- 04:45, 13 November 2012 diff hist +105 N Bazaar Created page with "=Bazaar= *Basic bazaar commands *Setup bazaar over SSH server *Setup bazaar over HTTP server"
- 04:44, 13 November 2012 diff hist +56 N Versioning tools Created page with "=Versioning tools= *bazaar *git *subversion"
- 04:44, 13 November 2012 diff hist +22 m Main Page
- 04:43, 13 November 2012 diff hist +1,535 N Sed Created page with "=sed= <tt>sed</tt> or stream editor is very useful and unique as it can help in search and replace operations on stream. Hence if we want to transmit a document with some pat..."
- 04:43, 13 November 2012 diff hist +9 m Shell scripting
- 04:41, 13 November 2012 diff hist +312 N Sherlock Created page with "=sherlock= Sherlock can help in comparing text files. Hence is it very useful in comparing assignments for copy cases. It gives percentage similarity between documents as out..."
- 04:40, 13 November 2012 diff hist +31 N Teaching tools Created page with "=Teaching tools= *sherlock"
- 04:40, 13 November 2012 diff hist +20 m Main Page
- 04:39, 13 November 2012 diff hist +551 N Pdftk Created page with "=pdftk= pdftk is a useful pdf manipulation tool. It allows one to: * Merge PDF Documents * Split PDF Pages into a New Document * Decrypt Input as Necessary (Password Required..."
- 04:38, 13 November 2012 diff hist +251 N Calibre Created page with "=calibre= We can use calibre to convert pdf files into various formats like epub, mobi. Mobi format files can be read very easily using 'kindle' on andriod phones. Hence cali..."
- 04:38, 13 November 2012 diff hist +62 N File-type or document related tools Created page with "=File-type or document related tools= *calibre *pdftk"
- 04:38, 13 November 2012 diff hist +41 m Main Page
- 04:37, 13 November 2012 diff hist +478 N Getent Created page with "=getent= On systems that use ldap or other similar mechanims for maintaining /etc/hosts, /etc/passwd, /etc/group etc. files instead of using '<tt>cat /etc/passwd</tt>' we sho..."
- 04:36, 13 November 2012 diff hist +586 N Sshpass Created page with "=sshpass= To supply SSH password programatically one can use '<tt>sshpass</tt>' program. Its source code can be downloaded from source forge. Using sshpass it is possible to ..."
- 04:36, 13 November 2012 diff hist +37 m System administration tools
- 04:35, 13 November 2012 diff hist +993 m Tidy-rpm-cache
- 04:33, 13 November 2012 diff hist +268 N CentOS 7.x Transmission Created page with "=transmission= transmission is an easy to use torrent client. Transmission provides option of specifing a single listening TCP port and we only need to allow incoming connect..."
- 04:33, 13 November 2012 diff hist −2 m Wireshark
- 04:32, 13 November 2012 diff hist +2,093 N Wireshark Created page with "=Wireshark= Wireshark is very useful packet analysis tool which can give detailed protocol analysis. =Running wireshark as normal user= Since wireshark needs to capture..."
- 04:31, 13 November 2012 diff hist +1,319 N Transconnect Created page with "=transconnect= We can use transconnect to tunnel direct connections via HTTP proxy so that applications that do not support proxy servers also work properly. For this to work..."
- 04:31, 13 November 2012 diff hist +688 N Nmap Created page with "=nmap= nmap is very popular port scanning tool. It supports various scanning methods, allows scanning of ports through spoofed addresses and can also perform OS and service d..."
- 04:31, 13 November 2012 diff hist +223 N Nail Created page with "=nail= '<tt>nail</tt>' or '<tt>mailx</tt>' can be used to send emails with attachments from command line. Use '<tt>man nail</tt>' for more details on how to use nail. One can..."
- 04:30, 13 November 2012 diff hist +7,249 N Tcpdump Created page with "=tcpdump= ==About tcpdump== '<tt>tcpdump</tt>' is a very powerful command-line based packet capturing tool. It can be used to display information about captured packets on ..."
- 04:30, 13 November 2012 diff hist +1,340 N Iptraf Created page with "=iptraf= iptraf can be used to obtain statistics on interface usage. It can be used to find out incoming and outgoing packet and data rates. It can also help in finding how m..."
- 04:30, 13 November 2012 diff hist +1,020 N Tcptrack Created page with "=tcptrack= '<tt>tcptrack</tt>' can be used to track TCP connections of a host over a particular interface. To monitor all TCP connections over 'eth0' we can use <pre> tcptra..."
- 04:29, 13 November 2012 diff hist +187 N Axel Created page with "=axel= '<tt>axel</tt>' is command line multi-threaded download manager. It can split downloads into parallel threads and use HTTP Content-Range headers to download file faste..."
- 04:29, 13 November 2012 diff hist +308 N Ebtables Created page with "=ebtables= If we are using Virtualization and we need to configure some firewall rules for bridge interfaces then we can use '<tt>ebtables</tt>' instead of '<tt>iptables</tt>..."
- 04:29, 13 November 2012 diff hist +147 m Network related tools
- 04:28, 13 November 2012 diff hist +666 N Pngcrush or optipng or advancecomp Created page with "We can compress png images (especially the once created by using colored scanner) using '<tt>pngcrush</tt>', '<tt>optipng</tt>' or '<tt>advancecomp</tt>' tools. =pngcrush= ..."
- 04:27, 13 November 2012 diff hist +1,402 N Graph Created page with "=graph= graph utility gets installed when one installs '<tt>plotutils</tt>' package. Graph can be used to draw various types of graphs that one may need. It is highly configu..."
- 04:27, 13 November 2012 diff hist +2,070 N Convert Created page with "=convert= We can use convert to convert from one image format to another. For example to convert '<tt>test.png</tt>' to '<tt>test.jpg</tt>' we can use: <pre> convert test.png..."
- 04:26, 13 November 2012 diff hist +89 N Image processing tools Created page with "=Image processing tools= *convert *graph *pngcrush or optipng or advancecomp"
- 04:26, 13 November 2012 diff hist +28 m Main Page
- 04:25, 13 November 2012 diff hist +399 N Nikto Created page with "=nikto= Nikto is web vulnerability scanner. It contains exploits for many different types of webservers and buggy CGI applications. It can be downloaded from http://cirt.net/..."
- 04:25, 13 November 2012 diff hist +2,266 N Metasploit framework Created page with "=Installing metasploit= #Download latest metasploit full edition for 64-bit Linux from http://www.metasploit.com/download/ #Use '<tt>chmod +x framework-3.7.1-linux-x64-full.r..."
- 04:24, 13 November 2012 diff hist +1,165 N Nessus Created page with "=Nessus= Nessus is very good and feature rich vulnerability scanner developed by Tenable security team. It allows one to scan number of hosts for vulnerablities and also give..."
- 04:24, 13 November 2012 diff hist −48 m Penetration testing tools
- 04:24, 13 November 2012 diff hist +1,544 N Installing john from source Created page with "=Installing john from source= To install john from source use following steps: #extract john source code #Go to folder '<tt>src</tt>'. #Compile john using makefile. For com..."
- 04:23, 13 November 2012 diff hist −1,408 m John
- 04:22, 13 November 2012 diff hist +667 N Unshadow, john Created page with "=Using unshadow and john to crack Linux passwords= We can use unshadow and john to crack Linux passwords in following manner: #First use '<tt>unshadow /etc/passwd /etc/shadow..."
- 04:21, 13 November 2012 diff hist +1,189 N Bkhive, samdump2, john Created page with "=Using bkhive, samdump2 and john to crack windows passwords= We can use bkhive, samdump2 and john to crack windows passwords. Weak passwords get cracked within minutes using ..."
- 04:21, 13 November 2012 diff hist +1,747 N John Created page with "=john= john is advanced password cracking tool which can be used to crack both Windows and Linux passwords. For learning use of john to crack windows passwords visit [[bkhive..."
- 04:20, 13 November 2012 diff hist +136 N Penetration testing tools Created page with "=Penetration testing tools= *john *bkhive, samdump2, john *unshadow, john *nessuss *metasploit framework *nikto"
- 04:20, 13 November 2012 diff hist +31 m Main Page
- 04:19, 13 November 2012 diff hist +2,038 N Google-authenticator Created page with "=google authenticator= We can use google-authenticator for setting up to two factor authentication on Linux systems. To setup authentication follow these steps: #Download lat..."
- 04:19, 13 November 2012 diff hist +2,499 N Gpg Created page with "=gpg= ==Generating new set of keys== We can use <pre> gpg --gen-key </pre> to generate new GPG keys. Preferred options are all default 'DSA and Elgamal' for key type, 2048 b..."
- 04:19, 13 November 2012 diff hist +1,187 N Stunnel Created page with "=stunnel= Stunnel can be used to encrypt communication between network programs which normally do not support encryption. Stunnel listens on a port and forwards requests to a..."
- 04:18, 13 November 2012 diff hist +776 N Openssl Created page with "=openssl= ==Creating self-signed pem certificates for HTTPS== We can create self-signed pem ceritifcates using openssl for HTTPS, SMTPS, etc. using: <pre> openssl req -x509 ..."
- 04:18, 13 November 2012 diff hist +61 m Security tools
- 03:59, 13 November 2012 diff hist +2,042 N Configuring basic NFSv3 server Created page with "=Configuring basic NFSv3 server= To configure NFSv3 server for providing access to backups taken in /private/snapshots folder over NFS use: *Enable on startup and also run fo..."
- 03:58, 13 November 2012 diff hist +63 N NFS server configuration Created page with "=NFS server configuration= *Configuring basic NFSv3 server"
- 03:57, 13 November 2012 diff hist +29 m Main Page
- 03:57, 13 November 2012 diff hist +5,938 N Rsnapshot Created page with "=Installation= rsnapshot can be installed using yum when extras, rpmfusion, rpmforge etc. repositories are also configured properly. =Configuration= rsnapshot uses '<tt>/..."
- 03:53, 13 November 2012 diff hist +873 N Udpcast Created page with "=udpcast= We can use udpcast to clone from single source to multiple destinations using multicast so that time taken to copy to any number of destinations is same as time tak..."
- 03:52, 13 November 2012 diff hist +2,585 N Cloning disks or partitions using dd Created page with "=Cloning disks or partitions using dd= We can backup entire hard-disk or partition or clone hard-disks using dd and nc command combinations. To clone hard-disk from one machi..."
- 03:52, 13 November 2012 diff hist +47 N Dd Created page with "=dd= *Cloning disks or partitions using dd"
- 03:50, 13 November 2012 diff hist +1,156 N Backing up documents using rsync Created page with "=Backing up documents using rsync= We can backup entire documents from one machine to another using syntax like: <pre> rsync -vtrp --partial --delete --ignore-errors saurabh@..."
- 03:50, 13 November 2012 diff hist +6,946 N Backup entire filesystem using rsync Created page with "=Converting physical to virtual using rsync= To backup entire filesystem basically root (/) using rsync first update the version of rsync on both machines to at least 3.0. Th..."
- 03:49, 13 November 2012 diff hist +88 N Rsync Created page with "=rysnc= *Backup entire filesystem using rsync *Backing up documents using rsync"
- 03:49, 13 November 2012 diff hist +137 N Backup tools Created page with "=Backup tools= *rsync *dd *udpcast *rsnapshot *bacula *amanda *backupninja *luckybackup *mondorescue"
- 03:49, 13 November 2012 diff hist +18 m Main Page
- 03:48, 13 November 2012 diff hist +2,138 N Drive related information Created page with "=Drive related information= ==hdparm== We can use '<tt>hdparm</tt>' tool to find information about disk drives. To see complete information about drive we can use <pre> hdpa..."
- 03:46, 13 November 2012 diff hist +51 N Information tools Created page with "=Information tools= *Drive related information"
- 03:46, 13 November 2012 diff hist +23 m Main Page
- 03:45, 13 November 2012 diff hist +12 m Filesystem or partition tools
- 03:44, 13 November 2012 diff hist +245 m Fdisk or parted
- 03:42, 13 November 2012 diff hist +3,725 N Fdisk or parted Created page with "=fdisk or parted= fdisk and/or parted can be used to manipulate partition tables. They can help in at least following: *Intializing new raw disk with proper partition tables ..."
- 03:41, 13 November 2012 diff hist +696 N Fsck Created page with "=fsck= =Checking ext3 partitions for disk errors= We can use following command to check ext3 partitions for disk errors / surface scan for bad blocks: <pre> e2fsck -c -c -k..."
- 03:41, 13 November 2012 diff hist +6,179 N MooseFS Created page with "=mooseFS= ==Installing mooseFS== ===Installing using yum=== #<tt>yum install mfs mfs-cgi mfs-client</tt> #<tt>groupadd mfs</tt> #<tt>useradd -g mfs mfs</tt> ===Installing ..."
- 03:40, 13 November 2012 diff hist +2,237 N KosmosFS Created page with "==Installing kosmosfs== #Download lastest kosmosfs source code. ( http://code.google.com/p/kosmosfs/downloads/list ) #<tt>yum install boost cmake log4cpp xfsprogs-devel</tt> ..."
- 03:39, 13 November 2012 diff hist +2,822 N EncFS Created page with "=Encfs= # Install encfs using '<tt>yum install fuse-encfs</tt>' # Create directory for encrypted files. (<tt>mkdir abcd-raw</tt>) # Create mount point for unencrypted files. ..."
- 03:37, 13 November 2012 diff hist −968 Universal USB installer
- 03:37, 13 November 2012 diff hist +1,035 N Installing System Rescue CD on USB disk or drive Created page with "=Installing System Rescue CD on USB disk or drive= Steps for installing system rescue CD on USB are mentioned on http://www.sysresccd.org/Sysresccd-manual-en_How_to_install_S..."
- 03:36, 13 November 2012 diff hist +73 N System Rescue CD Created page with "=System Rescue CD= *Installing System Rescue CD on USB disk or drive"
- 03:36, 13 November 2012 diff hist +22 m Main Page
- 03:34, 13 November 2012 diff hist +1,871 N Universal USB installer Created page with "=Universal USB installer= We can use Universal USB installer to create Live USB images from Live CDs. For example we can create bootable USB disk for system rescue CD with un..."
- 03:33, 13 November 2012 diff hist +1,492 N Extundelete Created page with "=Recovering deleted files= We can recover files deleted on ext3 or ext4 partition using extundelete program. The program can be downloaded from https://sourceforge.net/projec..."
- 03:31, 13 November 2012 diff hist +644 N Recovery tools Created page with "=recovery tools= More information on these tools has to be collected. ==Tools for recovering lost files on ext3 partitions== Following recovery tools exist to help with rec..."
- 03:31, 13 November 2012 diff hist +20 Main Page
- 03:30, 13 November 2012 diff hist −20 m Filesystem or partition tools
- 03:29, 13 November 2012 diff hist +1,785 N LVM - tips Created page with "=LVM tips= ==Installing OS from scratch== When we install OS from scratch and plan to use LVM then we should be careful about these things: *The root or / partition should no..."
- 03:29, 13 November 2012 diff hist +718 N Mounting LVM logical volumes Created page with "=Mounting logical volumes= To mount logical volumes when booting from live CD or if not mounted in rescue mode use: #Find out logical volumes available using #:<tt>lvm vgscan..."
- 03:28, 13 November 2012 diff hist +894 N To mount LVM Volume Group with similar name on same system Created page with "=To mount Volume Group with similar name on same system= If we have to mount two volume groups with same name (say VolGroup00) on same system then we will face problems. To s..."
- 03:28, 13 November 2012 diff hist +120 N Lvm Created page with "=LVM= *To mount LVM Volume Group with similar name on same system *Mounting LVM logical volumes *LVM - tips"
- 03:27, 13 November 2012 diff hist +2,923 N Kpartx Created page with "=Mounting partitions from full disk image with multiple partitions= In order to mount partitions from full disk images (created probably with dd) one can use following method..."
- 03:26, 13 November 2012 diff hist +171 N Filesystem or partition tools Created page with "=Filesystem or partition tools= *kpartx *lvm *recovery tools *Universal USB installer *encFS *kosmosFS *mooseFS *fsck *fdisk or parted"
- 03:26, 13 November 2012 diff hist +34 m Main Page
- 03:24, 13 November 2012 diff hist +354 N Mplayer Created page with "=mplayer= <tt>mplayer</tt> is a very versatile movie player for Linux which can be completely used from command line. To enable few useful options of mplayer to be used autom..."
- 03:24, 13 November 2012 diff hist +418 N Lame Created page with "=lame= We can use lame to lower mp3 bitrates when using Linux. To lower bit rate: # Uncompress mp3 file to wave file using '<tt>lame --decode <file></tt>' command # C..."
- 03:24, 13 November 2012 diff hist +222 N Alsamixer Created page with "=alsamixer= This command allows you to set alsa parameters from command line. This is more reliable then GUI volume preferences tool. Also this can be configured from command..."
- 03:23, 13 November 2012 diff hist +1,148 N Ffmpeg Created page with "=ffmpeg= ==Creating video thumbnails using ffmpeg== If we want to host video on website then we can also display thumbnail(s) related to video to give idea of to viewers abo..."
- 03:23, 13 November 2012 diff hist +480 N Google2srt Created page with "=google2srt= google2srt is a very nice java based application that allows one to download subtitles of youtube/google video in srt format. This really helps as we can only do..."
- 03:23, 13 November 2012 diff hist +586 N Avidemux Created page with "=avidemux= This application can be used to edit avi videos created using cam studio while recording windows desktop sessions. ==To decrease frame rate of avi file using av..."
- 03:23, 13 November 2012 diff hist +198 N Cam studio Created page with "=cam studio= Cam Studio can be used to record windows desktop sessions in both avi and flv format. These are very useful in explaining steps on how to do some installation / ..."
- 03:22, 13 November 2012 diff hist +2,011 N Cinelerra Created page with "=Cinelerra= This is very nice audio/video editing tool. With the help of this tool we can edit vidoes recorded using gtk-recordmydesktop ==Removing portions of video withou..."
- 03:22, 13 November 2012 diff hist +454 N Gtk-recordmydesktop Created page with "=gtk-recordmydesktop= `<tt>gtk-recordmydesktop</tt>' can be used to record desktop sessions along with voice instructions from mike. This videos can be used to teach importan..."
- 03:22, 13 November 2012 diff hist +168 N Sound and video related tools Created page with "=Sound and Video related tools= *gtk-recordmydesktop *cinelerra *cam studio *avidemux *google2srt *ffmpeg *alsamixer *lame *mplayer"
- 03:22, 13 November 2012 diff hist +35 m Main Page
- 03:19, 13 November 2012 diff hist +587 N Creating nautilus scripts Created page with "=Creating nautilus scripts= We can write nautilus scripts which can be executed through pop-up menu which is generated when one right clicks somewhere in nautilus window. =..."
- 03:18, 13 November 2012 diff hist +42 N Nautilus Created page with "=nautilus= *Creating nautilus scripts"
- 03:18, 13 November 2012 diff hist +30 N Desktop tools Created page with "=Desktop tools= *nautilus"
- 03:17, 13 November 2012 diff hist +19 m Main Page
- 03:16, 13 November 2012 diff hist +797 N Using iSCSI targets from Linux machine Created page with "=Using iSCSI targets from Linux machine= ===Dicovering iSCSI targets=== The following command can be used to scan for avaiable iSCSI targets: <pre> iscsiadm -m discoverydb --..."
- 03:14, 13 November 2012 diff hist +44 Miscellaneous OS configuration
- 03:13, 13 November 2012 diff hist +1,484 N Installing brocade HBA drivers in Linux Created page with "=Installing brocade HBA drivers in Linux= To install brocade HBA drivers in Linux use: #Download '<tt>brocade_driver_linux_rhel6_v3-1-0-1.tar</tt>' and '<tt>brocade_adapter_s..."
- 03:10, 13 November 2012 diff hist +59 N HBA drivers Created page with "=HBA Drivers= *Installing brocade HBA drivers in Linux"
- 03:10, 13 November 2012 diff hist +17 m Hardware drivers configuration or installation
- 03:09, 13 November 2012 diff hist +1,478 N Installing Storage Navigator Modular Created page with "=Installing Storage Navigator Modular= For management use "StorageNavigatorModular" software. It is available for both Windows and Linux. Windows installation is straight for..."
- 03:08, 13 November 2012 diff hist +67 N Hitachi storage server Created page with "=Hitachi storage server= *Installing Storage Navigator Modular"
- 03:08, 13 November 2012 diff hist +45 N Storage server Created page with "=Storage server= *Hitachi storage server"
- 03:06, 13 November 2012 diff hist +19 m Main Page
- 07:13, 10 November 2012 diff hist +2,259 N Setting up basic lxc application or OS container in Cent-OS 6.3 Created page with "=Setting up basic lxc application or OS container in Cent-OS 6.3= To create an application (/bin/bash or /usr/sbin/sshd) or OS container using lxc in Cent-OS use following st..."
- 07:13, 10 November 2012 diff hist +75 N Lxc Created page with "=lxc= *Setting up basic lxc application or OS container in Cent-OS 6.3"
- 07:12, 10 November 2012 diff hist +568 N Miscellaneous openVZ notes Created page with "=Miscellaneous openVZ notes= =Enabling iptables conntrack modules in container= By default iptables conntrack modules are not enabled for container. Hence '<tt>state</tt>' m..."
- 07:12, 10 November 2012 diff hist +1,384 N Resource management using openVZ Created page with "=Managing various resourced allocated to a container= Resource allocation can be done using '<tt>vzctl set </tt>' command dynamically. The changes can be made persistent by u..."
- 07:11, 10 November 2012 diff hist +1,656 N Installing openVZ on Cent OS Created page with "=Installing openVZ on CentOS 5.5= Installation steps have been learned from http://wiki.openvz.org/Quick_installation Following steps can be used to install openVZ on CentOS..."
- 06:41, 10 November 2012 diff hist +3,303 N Using openVZ Created page with "=Using openVZ= ==Downloading OS templates== OpenVZ OS templates can be downloaded from http://download.openvz.org/template/precreated/ After downloading templates should b..."
- 06:41, 10 November 2012 diff hist +1,293 N Using openVZ live CD Created page with "=Using openVZ live CD= We can use openVZ live CD to create few test containers using: #Boot using openVZ live CD #Choose normal boot option from boot menu #Use setup command ..."
- 06:41, 10 November 2012 diff hist +161 N OpenvZ Created page with "=openVZ= *Using openVZ live CD *Using openVZ *Installing openVZ on Cent OS 5.5 *Resource management using openVZ *Miscellaneous openVZ notes"
- 06:40, 10 November 2012 diff hist +504 N Qemu networking Created page with "=Redirect host port to guest port using qemu= We can use '<tt>-redir tcp:<host_port>::<guest_port></tt>' option with qemu so that when connection is established t..."
- 06:40, 10 November 2012 diff hist +56 N Qemu Created page with "=qemu= *Redirect host port to guest port using qemu"
- 06:39, 10 November 2012 diff hist +659 N Troubleshooting KVM VM networking Created page with "=Troubleshooting KVM VM networking= If the VM also creates a virbr0 network within same range as the VMs eth0 virtual IP then network of VM stops working after while and just..."
- 06:39, 10 November 2012 diff hist +996 N Installing KVM on CentOS 5.5 Created page with "=Installing KVM on CentOS 5.5= KVM can be installed on CentOS 5.5 using following steps: #Check for CPU flags 'vmx' or 'svm' based on whether processor is intel or amd. #Use ..."
- 06:39, 10 November 2012 diff hist +79 N KVM Created page with "=KVM= *Installing KVM on CentOS 5.5 *Troubleshooting KVM VM networking"
- 06:38, 10 November 2012 diff hist +4,970 N Basic libvirt usage Created page with "=Basic libvirt usage= 'libvirt' provides common consistent interface among various back-end virtualization platforms. Hence if we use 'libvirt' then same commands/functions w..."
- 06:38, 10 November 2012 diff hist +35 N Libvirt Created page with "=libvirt= *Basic libvirt usage"
- 06:37, 10 November 2012 diff hist +2,358 N Xen troubleshooting Created page with "=Xen troubleshooting= ==Delayed starting of xend service on PC start-up== During normal PC boot service xend may take very long time to start or completely fail to start. T..."
- 06:37, 10 November 2012 diff hist +1,754 N Migrating Xen Hardware based Virtual Machines (Hvm) Created page with "=Migrating Xen Hardware based Virtual machines= We can perform live migration of VM from one physical host to another using Xen provided: *Both hosts have exact same absolute..."
- 06:36, 10 November 2012 diff hist +2,066 N Networking of Xen VMs Created page with "=Networking of Xen VMS= Detailed information on networking of Xen VMs is available at lab on http://www.sbarjatiya.com/website/courses/2010/monsoon/system_and_resource_virtua..."
- 06:36, 10 November 2012 diff hist +245 N Creating Xen paravirtualized guests Created page with "=Creating Xen paravirtualized guests= Steps on creating Xen paravirtualized guests are mentioned in lab at http://www.sbarjatiya.com/website/courses/2010/monsoon/system_and_r..."
- 06:35, 10 November 2012 diff hist +10,600 N Managing Xen Hardware based Virtual Machines (HVM) Created page with "=Managing Xen Hardware based Virtual Machine= '''A more updated lab is hosted at http://www.sbarjatiya.com/website/courses/2010/monsoon/system_and_resource_virtualization/la..."
- 06:35, 10 November 2012 diff hist +5,901 N Creating Xen Hardware based Virtual Machines (HVM) Created page with "=Creating Xen Hardware based Virtual Machines= '''A more updated lab is available at http://www.sbarjatiya.com/website/courses/2010/monsoon/system_and_resource_virtualization..."
- 06:34, 10 November 2012 diff hist +268 N Xen Created page with "=Xen= *Creating Xen Hardware based Virtual Machines (HVM) *Managing Xen Hardware based Virtual Machines (HVM) *Creating Xen paravirtualized guests *[[Networking o..."
- 06:34, 10 November 2012 diff hist +400 N VMWare workstation Created page with "=VMWare Workstation= Labs on "Introduction to VMWare" and "Advanced VMWare Workstation" are available at http://www.sbarjatiya.com/website/courses/2010/monsoon/system_and_res..."
- 06:33, 10 November 2012 diff hist +33 N VMWare Created page with "=VMWare= *VMWare workstation"
- 06:33, 10 November 2012 diff hist +97 N Virtualization tools Created page with "=Virtualization tools= *VMWare *Xen *libvirt *KVM *qemu *openvZ *lxc"
- 06:33, 10 November 2012 diff hist +26 m Main Page
- 06:28, 10 November 2012 diff hist +102 m Host resolution using openLDAP
- 06:24, 10 November 2012 diff hist +32 m Configuring laptop after Cent-OS re-installation
- 06:15, 10 November 2012 diff hist +1,281 N Installing yaws by source Created page with "=Installing yaws by source= We can install latest version of yaws using source downloaded from http://yaws.hyber.org/ When installing yaws using source, it is possible that ..."
- 06:14, 10 November 2012 diff hist +31 m Erlang
- 06:14, 10 November 2012 diff hist 0 m Installing Erlang by source
- 06:14, 10 November 2012 diff hist +693 N Installing Erlang by source Created page with "=Installing Erlang on CentOS= We can install Erlang on CentOS using '<tt>yum install erlang</tt>' when all popular repositories are configured. However if we want latest vers..."
- 06:14, 10 November 2012 diff hist +42 N Erlang Created page with "=Erlang= *Installing Erlang by source"
- 06:07, 10 November 2012 diff hist +4 m Expect
- 06:07, 10 November 2012 diff hist +5,520 N Expect Created page with "=Using expect= We can use expect to supply input to programs when simple redirection is not sufficient. The important expect commands are: # spawn # expect # send # interact ..."
- 06:04, 10 November 2012 diff hist +30 N Shell scripting Created page with "=Shell scripting= *expect"
- 06:04, 10 November 2012 diff hist +614 N Syntax highlighting for Scheme in vim and emacs Created page with "=Syntax highlighting for Scheme in vim and emacs= It's been observed that both vim and emacs do not, by default, recognize files with the .rkt extension as scheme source code..."
- 06:04, 10 November 2012 diff hist +40 m Scheme
- 06:03, 10 November 2012 diff hist +230 N DrRacket installation from source Created page with "=DrRacket Installation from source= To install DrRacket on CentOS 5.6 use: # Download and extract drracket source code # Go to <tt>./src</tt> # <tt>./configure --prefix=/usr/..."
- 06:03, 10 November 2012 diff hist +12 m DrRacket
- 06:02, 10 November 2012 diff hist +38 N DrRacket Created page with "=DrRacket= *DrRacket installation"
- 06:02, 10 November 2012 diff hist +36 N Scheme Created page with "=Scheme= *DrRacket *Editors"
- 06:02, 10 November 2012 diff hist −14 m Printf format specifiers in C
- 06:01, 10 November 2012 diff hist +4,336 N Printf format specifiers in C Created page with "=Printf format specifiers in C= ==The size specification== {| class="wikitable" border="1" cellspacing="5" cellpadding="10" |- | l || d,i,o,u,x,X || The letter l with this..."
- 06:00, 10 November 2012 diff hist +19,389 N Using ncurses library with C Created page with "=Steps for using ncurses library in C program= # #include <ncurses.h> # Compile using -lncurses # Call initscr(). It allocates memory for present window which is called stdsc..."
- 05:58, 10 November 2012 diff hist +934 N Large file support with C Created page with "=Large file support with C= By default on 32-bit operating systems fprintf, fwrite etc. use integer for maintaining location of next read/write operation in file. Hence max 2..."
- 05:58, 10 November 2012 diff hist +876 N Working around seg-faults while using syslog Created page with "=Working around seg-faults while using syslog= When we use <pre> openlog("run_commands_on_remote_server:", LOG_PID | LOG_NOWAIT | LOG_NDELAY, LOG_USER); </pre> to configure..."
- 05:57, 10 November 2012 diff hist +80 N Using syslog library with C Created page with "=Using syslog library with C= *Working around seg-faults while using syslog"
- 05:57, 10 November 2012 diff hist 0 m C
- 05:57, 10 November 2012 diff hist +137 N C Created page with "=C= *Using wyslog library with C *Large file support with C *Using ncurses library with C *printf format specifiers in C"
- 05:56, 10 November 2012 diff hist +3,690 N PHP Error reporting Created page with "=PHP error reporting= PHP error reporting configuration can be done in many places: *php.ini *httpd.conf *.htaccess (if AllowOverride is enabled for VirtualHost) *script file..."
- 05:56, 10 November 2012 diff hist +31 N PHP Created page with "=PHP= *PHP Error reporting"
- 05:55, 10 November 2012 diff hist +60 m Main Page
- 05:53, 10 November 2012 diff hist +2,515 N Miscellaneous notes on octave Created page with "=Miscellaneous notes on octave= ==Creating shell scripts with octave== To create shell scripts with octave you can use the normal 'hash bang' operator on top of script to sp..."
- 05:52, 10 November 2012 diff hist +767 N Octave constants Created page with "=Octave constantts= {| class="wikitable" border="1" cellspacing="5" cellpadding="10" |- | realmax || Maximum double value that can be represented in octave in double format..."
- 05:52, 10 November 2012 diff hist +2,699 N Octave commands Created page with "=Octave commands= {| class="wikitable" border="1" cellspacing="5" cellpadding="10" |- | print || To export already generated plot to some file in known image format we ca..."
- 05:52, 10 November 2012 diff hist +15,305 N Octave functions Created page with "=Octave Functions= ==Matrix / Vector related functions== {| class="wikitable" border="1" cellspacing="5" cellpadding="10" |- | transpose(a) || This function returns transp..."
- 05:51, 10 November 2012 diff hist +5,168 N Octave operators Created page with "=Octave operators= ==Arithmetic Operators== {| class="wikitable" border="1" cellspacing="5" cellpadding="10" |- | + || Addition('+') operator can be used to add to n..."
- 05:49, 10 November 2012 diff hist +4,587 N Octave syntax Created page with "=Octave syntax= ==Declaring variables== ===Creating matrices=== *To define a matrix in Octave we have to enclose values in square brackets '[]'. Rows are seperated by semi-..."
- 05:49, 10 November 2012 diff hist +141 m Octave
- 04:48, 10 November 2012 diff hist +1,045 N Restore boot loader for Windows 7 or Vista after removing grub Created page with "=Restore boot loader for Windows 7 or Vista after removing grub= To restore boot loader for Windows 7 or Vista after removing grub use following steps: #Boot from Windows Vis..."
- 04:47, 10 November 2012 diff hist +89 N Windows 7 or Vista Created page with "=Windows 7 or Vista= *Restore boot loader for Windows 7 or Vista after removing grub"
- 04:46, 10 November 2012 diff hist +2,211 N Restore boot loader after removing grub Created page with "=Restore boot loader for Windows XP after removing grub= To restore boot loader for Windows XP after removing grub follow these steps: #Boot the computer using Windows XP ins..."
- 04:46, 10 November 2012 diff hist +58 N Windows XP Created page with "=Windows XP= *Restore boot loader after removing grub"
- 04:46, 10 November 2012 diff hist +50 N Windows Created page with "=Windows= *Windows XP *Windows 7 or Vista"
- 04:45, 10 November 2012 diff hist +13 m Main Page
- 04:44, 10 November 2012 diff hist +235 N Restarting network in debian Created page with "=Restarting network in debian= To restart network in debian use: <pre> /etc/init.d/networking stop && /etc/init.d/networking start </pre> Please note that '<tt>/etc/init.d/n..."
- 04:44, 10 November 2012 diff hist +938 N Configure static routes in debian Created page with "=Configure static routes in debian= To configure static routes in debian edit file '<tt>/etc/network/interfaces</tt>' and use <pre> up route add -net 192.168.2.0 netmask 255..."
- 04:43, 10 November 2012 diff hist +1,079 N Configuring apt repositories in debian Created page with "=Configuring apt-repositories= One can use apt to install packages in debian (similar to yum in Cent-OS). To configure repositories for apt use following steps: *Visit http:/..."
- 04:43, 10 November 2012 diff hist +126 N Debian Created page with "=Debian= *Configuring apt repositories in debian *Configure static routes in debian *Restarting network in debian"
- 04:43, 10 November 2012 diff hist +12 m Main Page
- 04:42, 10 November 2012 diff hist +8 m Restoring nouveau drivers after installing nvidia drivers
- 04:42, 10 November 2012 diff hist +776 N Restoring nouveau drivers after installing nvidia drivers Created page with "=Restoring nouveau drivers after installing nvidia= To restore nouveau drivers after installing nvidia proprietary drivers use: # Edit '<tt>/etc/grub/grub.conf</tt>' file and..."
- 04:42, 10 November 2012 diff hist +1,399 N Installing Nvidia proprietary drivers in Linux Created page with "=Installing Nvidia proprietary drivers in Linux= #Use '<tt>lspci</tt>' to see the graphics card model number #Download linux drivers from nvidia website for given card. Verif..."
- 04:41, 10 November 2012 diff hist +139 N Nvidia graphics card Created page with "=Nividia graphics card= *Installing Nvidia proprietary drivers in Linux *Restoring nouveau drivers after installing nvidia drivers"
- 04:41, 10 November 2012 diff hist +42 N Graphics card Created page with "=Graphics card= *Nvidia graphics card"
- 04:40, 10 November 2012 diff hist +19 m Main Page
- 04:40, 10 November 2012 diff hist +402 N Frequent errors from cron for MRTG Created page with "=Frequent errors from cron for mrtg= If you get frequent errors from cron for mrtg with message '<tt>Can't locate MRTG_lib.pm in @INC</tt>' then you can use following steps t..."
- 04:40, 10 November 2012 diff hist +40 m Rocky Linux or CentOS
- 04:39, 10 November 2012 diff hist +1,226 N Installing java plugin for firefox Created page with "=Installing java plugin for firefox= Follow these steps for installing java plugin in firefox in CentOS #If OS is 64-bit then download 64-bit version of JRE else if it is 32-..."
- 04:39, 10 November 2012 diff hist +40 m Web based tools or applications
- 04:37, 10 November 2012 diff hist +768 N Installing linuxdcpp Created page with "=Installing linuxdcpp= linuxdcpp is a very good dc++ client for Linux. In case it is not available in any standard repositories (a case with CentOS) then we can download its ..."
- 04:37, 10 November 2012 diff hist +38 N Linuxdcpp Created page with "=Linuxdcpp= *Installing linuxdcpp"
- 04:37, 10 November 2012 diff hist +39 N Network related tools Created page with "=Network related tools= *linuxdcpp"
- 04:36, 10 November 2012 diff hist +27 m Main Page
- 04:35, 10 November 2012 diff hist +527 N Increasing load average issue with CentOS 5.3 Created page with "=Increasing load aveage issue with CentOS 5.3= Load average keeps increasing on CentOS 5.3. This happens if you disable mcstrans service. The cron file `<tt>/etc/cron.hourly/..."
- 04:35, 10 November 2012 diff hist +60 N Rocky Linux or CentOS Created page with "=CentOS= *Increasing load average issue with CentOS 5.3"
- 04:34, 10 November 2012 diff hist +36 m Main Page
- 04:33, 10 November 2012 diff hist +516 N Installing new kernel from source code Created page with "=Installing new kernel from sources code= To install new kernel from source code follow these steps: #Download latest kernel source #Use '<tt>make xconfig</tt>' to create .co..."
- 04:33, 10 November 2012 diff hist +44 m Miscellaneous OS configuration
- 04:32, 10 November 2012 diff hist +1,101 N Installing web2py Created page with "=Installing web2py= For installing web2py we have to install 'hashlib' and 'uuid' which cannot be installed from yum. Hence we first download 'ez_setup.py' tool and use it t..."
- 04:31, 10 November 2012 diff hist +32 N Python Created page with "=Python= *Installing web2py"
- 04:31, 10 November 2012 diff hist +12 m Main Page
- 04:30, 10 November 2012 diff hist +1,956 N Installing octave from source Created page with "=Installing Octave from source= ==Installing Octave from source in CentOS-5.3== #First install fltk, fftw and gperf using yum #Download latest stable source of octave from h..."
- 04:30, 10 November 2012 diff hist +44 N Octave Created page with "=Octave= *Installing octave from source"
- 04:29, 10 November 2012 diff hist +36 m Main Page
- 04:24, 10 November 2012 diff hist +474 N Managing file permissions using groups Created page with "=Managing file permissions using groups= To allow set of users to have access to same set of files groups can be used. ==Creating groups== To create group use: <pre> groupa..."
- 04:24, 10 November 2012 diff hist +1,242 N Implement password character or length constraints Created page with "=Implement password character or length constraints= We can implement minimum password length, password should have at least one small letter, etc. constraints by editing <tt..."
- 04:23, 10 November 2012 diff hist +637 N Running scripts at GUI login or log-off Created page with "=Running scripts at GUI login or log-off= Some times it is desired that scripts run automatically after every GUI login / log-off. We cannot use '<tt>/etc/rc.d/rc.local</tt>'..."
- 04:23, 10 November 2012 diff hist +178 N Miscellaneous OS configuration Created page with "=Miscellaneous OS configuration= *Running scripts at GUI login or log-off *Implement password character or length constraints *Managing file permissions using groups"
- 04:22, 10 November 2012 diff hist +36 m Main Page
- 04:21, 10 November 2012 diff hist +418 N Allowing users to run specific scripts as root Created page with "=Allowing users to run specific scripts as root= We can configure sudo with lines, like: <pre> saurabh ALL= NOPASSWD:/home/saurabh/Desktop/test.sh </pre> to allow user saurab..."
- 04:21, 10 November 2012 diff hist +642 N Allowing user to run all commands as root without specifying password Created page with "=Allowing user to run all commands as root without specifying password= We can configure sudo to allow particular user to run all commands as root without supplying user or r..."
- 04:20, 10 November 2012 diff hist +470 N Understanding sudo configuration syntax Created page with "=Sudo configuration syntax= Lines in sudo configuration uses following format: <pre> <username> or <group> <machine> = [(<user>)] [NOPASSWD] :<command1> [, <command2> ...] </..."
- 04:20, 10 November 2012 diff hist +193 N Sudo configuration Created page with "=Sudo configuration= *Understanding sudo configuration syntax *Allowing user to run all commands as root without specifying password *[[Allowing users to run specific..."
- 04:20, 10 November 2012 diff hist +24 m Main Page
- 04:18, 10 November 2012 diff hist +1,052 N Analyzing audit logs Created page with "=Analyzing audit logs= We can analyze audit logs using '<tt>ausearch</tt>' and '<tt>aureport</tt>' commands. Few good ways of using these commands are listed here. ==Looking..."
- 04:11, 10 November 2012 diff hist +82 N Auditd configuration Created page with "=auditd configuration= *Configuring auditing daemon *Analyzing audit logs"
- 04:10, 10 November 2012 diff hist +26 m Security tools
- 03:05, 10 November 2012 diff hist +3,888 N Basic ebtables configuration Created page with "=About ebtables chains and tables= ebtables contains following tables and listed chains within each table: #filter ##INPUT ##FORWARD ##OUTPUT #broute ##BROUTING ##OUTPUT In ..."
- 03:05, 10 November 2012 diff hist +59 N Ebtables configuration Created page with "=ebtables configuration= *Basic ebtables configuration"
- 03:05, 10 November 2012 diff hist +28 m Main Page
- 03:03, 10 November 2012 diff hist +5,201 N Using MRTG for monitoring host CPU, memory, disk etc. Created page with "=Using MRTG for monitoring host CPU, memory, disk etc.= First configure SNMP server on Linux host as explained at SNMP server configuration for Linux hosts. Then use foll..."
- 03:00, 10 November 2012 diff hist +2,662 N Basic MRTG configuration for monitoring network interfaces Created page with "=Basic MRTG configuration for monitoring network interfaces= Steps to configure basic MRTG based monitoring server are: #Use command '<tt>snmpwalk -v 1 -c <community> &..."
- 02:58, 10 November 2012 diff hist +144 N MRTG configuration Created page with "=MRTG configuration= *Basic MRTG configuration for monitoring network interfaces *Using MRTG for monitoring host CPU, memory, disk etc."
- 02:58, 10 November 2012 diff hist +24 m Monitoring tools
- 02:57, 10 November 2012 diff hist +905 N Storing date / time along with commands in history Created page with "=Storing date / time with history command= We can use following steps to ensure that date / time also get stored along with history commands: #Create file '<tt>/etc/profile.d..."
- 02:57, 10 November 2012 diff hist +908 N Configuring idle timeout for shell Created page with "=Configuring idle timeout for shell= We can configure idle timeout for bash by following steps: #Create file named '<tt>/etc/profile.d/autologout.sh</tt>' #Add following con..."
- 02:56, 10 November 2012 diff hist +118 N Shell configuration Created page with "=Shell configuration= *Configuring idle timeout for shell *Storing date / time along with commands in history"
- 02:55, 10 November 2012 diff hist +25 m Main Page
- 02:54, 10 November 2012 diff hist +3,435 N Configure new RHEL-5.5 VM on IBM cloud Created page with "=Configuring new RHEL-5.5 VM on IBM cloud= ==Converting private key to ppk file using puttygen== #Download puttygen application from Internet #Run puttygen and use 'Load' op..."
- 02:50, 10 November 2012 diff hist +10,315 N Configuring laptop after Cent-OS re-installation Created page with "=Configure laptop after Cent-OS re-installation= This page is intended to describe settings to be done, files to be copied, packages to be installed via yum or source after O..."
- 02:48, 10 November 2012 diff hist +126 N New machine configuration Created page with "=New machine configuration= *Configuring laptop after Cent-OS re-installation *Configure new RHEL-5.5 VM on IBM cloud"
- 02:47, 10 November 2012 diff hist +30 m Main Page
- 02:43, 10 November 2012 diff hist +1,745 N Basic clamav configuration Created page with "=Basic clamav configuration= ==Configuring and updating clamav== # Update system with latest clamav and clamav-db packages # Open file '<tt>/etc/freshclam.conf</tt>' ## Com..."
- 02:43, 10 November 2012 diff hist +55 N Clamav configuration Created page with "=Clamav configuration= *Basic clamav configuration"
- 02:42, 10 November 2012 diff hist +26 m Security tools
- 02:40, 10 November 2012 diff hist +7,960 N Using Tripwire Created page with "=Using Tripwire= Tripwire has lot of modes which include *Database initialization mode *Test mode *Check mode (report mode or interactive update mode) *Database update mode *..."
- 02:40, 10 November 2012 diff hist +6,323 N Configuring basic Tripwire server Created page with "=Configuring basic Tripwire server= ==Tripwire keys== Tripwire uses two types of keys, site key and local key. Site key can be used to protect files which are common across..."
- 02:40, 10 November 2012 diff hist +84 N Tripwire configuration Created page with "=Tripwire configuration= *Configuring basic Tripwire server *Using Tripwire"
- 02:39, 10 November 2012 diff hist +28 m Security tools
- 13:12, 9 November 2012 diff hist +12,191 N Configuring basic AIDE server Created page with "=Configuring basic AIDE server= ==About AIDE== AIDE stands for Advanced Intrusion Detection Environment. It is file integrity based IDS like tripwire. AIDE supports very eas..."
- 13:12, 9 November 2012 diff hist +56 N AIDE configuration Created page with "=AIDE configuration= *Configuring basic AIDE server"
- 13:11, 9 November 2012 diff hist +24 m Security tools
- 13:10, 9 November 2012 diff hist +6,005 N Snort related tools Created page with "=Installing oinkmaster= Oinkmaster can be used to download latest snort rules from snort website automatically and install them on your system. #Download latest oinkmaster s..."
- 13:09, 9 November 2012 diff hist +1,720 N Downloading and using latest snort rules Created page with "=Downloading and using latest snort rules= #Download latest snort rules from https://www.snort.org/snort-rules/#registered Note that we cannot download subscriber release w..."
- 13:08, 9 November 2012 diff hist +15,937 N Snort payload rule options Created page with "=snort payload rule options= ==content== content option allows the user to set rules that search for specific content in the packet payload and trigger response based on that ..."
- 13:08, 9 November 2012 diff hist +4,439 N Snort general rule options Created page with "=Snort general rule options= ==msg== The msg rule option tells the logging and alerting engine the message to print along with a packet dump or to an alert. It is a simple t..."
- 13:07, 9 November 2012 diff hist +5,551 N Configuring snort rules Created page with "=Configuring very basic snort rules= Following steps can be used for configuring or testing very basic snort rules: *Create file /etc/snort/rules/local.rules using '<tt>touch..."
- 13:07, 9 November 2012 diff hist +2,771 N Snort modes Created page with "=Various snort modes= Snort can be used in three different modes: *Sniffing - <tt>-v</tt> - In this mode snort just sniffs the packets and displays relevant information on sc..."
- 13:06, 9 November 2012 diff hist +3,692 N Installing snort on CentOS Created page with "=One can use these steps to install snort on CentOS 5.5 or later= The following steps work on CentOS-5.5 with snort-2.9.0.5, libpcap-1.1.1 and daq-0.5 perfectly. # <tt>chkcon..."
- 13:05, 9 November 2012 diff hist +310 N Snort configuration Created page with "=Snort configuration= *Installing snort on CentOS *Snort modes *Configuring snort rules *Snort general rule options *Snort payload rule options *[[Snort n..."
- 13:05, 9 November 2012 diff hist +25 m Security tools
- 13:04, 9 November 2012 diff hist +2,591 N Basic disk quota configuration Created page with "=Basic disk quota configuration= To enable user quota on some filesystem follow these steps: # Add option '<tt>usrquota</tt>' in '<tt>/etc/fstab</tt>' of the partition on whi..."
- 13:04, 9 November 2012 diff hist +5 m Configuring disk quota
- 13:03, 9 November 2012 diff hist +56 N Configuring disk quota Created page with "=Configuring disk quota= *Basic quota configuration"
- 13:03, 9 November 2012 diff hist +55 N Filesystem configuration Created page with "=Filesystem configuration= *Configuring disk quota"
- 13:02, 9 November 2012 diff hist +30 m Main Page
- 13:02, 9 November 2012 diff hist +2,868 N Apache SELinux configuration Created page with "=apache SELinux configuration= ==Apache SELinux contexts== Apache process runs with SELinux context '<tt>unconfined_u:system_r:httpd_t:s0</tt>'. Files used by apache can h..."
- 13:01, 9 November 2012 diff hist +477 N SELinux contexts for various purposes Created page with "=SELinux contexts for various purposes= List of SELinux contexts for various purposes are listed here. We can use chcon to change context of some non-default location, if we ..."
- 13:01, 9 November 2012 diff hist +4,497 N SELinux configuration basics Created page with "=SELinux Configuration Basics= In Fedora 12 SELinux comes enabled by default and using it we can improve the security of system. When we use SELinux all files, users and proc..."
- 13:01, 9 November 2012 diff hist +135 N SELinux configuration Created page with "=SELinux configuration= *SELinux configuration basics *SELinux contexts for various purposes *apache SELinux configuration"
- 13:00, 9 November 2012 diff hist +27 m Main Page
- 13:00, 9 November 2012 diff hist +1,176 N Configuring parents for devices in nagios Created page with "=Configuring parents for devices in nagios= In nagios we can configure parents of hosts, so that if parent is down the childrens which depend on it are not checked. This is u..."
- 12:58, 9 November 2012 diff hist +4,836 N Configuring nrpe based internal service checks Created page with "=Configuring nrpe based internal service checks= We can use nrpe to monitor status of processes, hard-disk usage, cpu usage etc. on host. Since this things cannot be checked ..."
- 12:58, 9 November 2012 diff hist +4,851 N Configuring remote service checks using nagios Created page with "=Configuring remote service checks using nagios= We can check lot of remote services including ping, http, ftp, smtp, pop3 and imap using nagios. For other services we can wr..."
- 12:57, 9 November 2012 diff hist +1,901 N Configuring basic nagios server Created page with "=Configuring basic nagios server= Nagios is service monitoring tool which can periodically check status of various services and notify in case some service is not in proper s..."
- 12:56, 9 November 2012 diff hist +65 m Nagios configuration
- 12:55, 9 November 2012 diff hist +146 N Nagios configuration Created page with "=Nagios configuration= *Configuring basic nagios server *Configuring remote service checks *Configuring nrpe *Configuring parents"
- 12:55, 9 November 2012 diff hist +26 m Monitoring tools
- 12:54, 9 November 2012 diff hist +555 N Load balancing between two gateways Created page with "=Load balancing between two gateways= For load balancing between two gateways use: <pre> ip route del default ip route add default scope global nexthop via <gateway_1> ..."
- 12:53, 9 November 2012 diff hist +4,197 N Routing based on source, destination and other parameters Created page with "=Routing based on source, destination and other parameters= With advanced IP routing II features of Linux we can route based on source, destination and various other paramete..."
- 12:53, 9 November 2012 diff hist +134 N IP routing 2 configuration Created page with "=IP routing 2 configuration= *Routing based on source, destination and other parameters *Load balancing between two gateways"
- 12:53, 9 November 2012 diff hist +32 m Network related configuration
- 12:52, 9 November 2012 diff hist +2,337 N Port knocking Created page with "=Port knocking= We can use iptables for port knocking. In we configure port knocking then client should first try to access selected ports (which are closed) in pre-defined o..."
- 12:51, 9 November 2012 diff hist +5,742 N NAT using iptables Created page with "=NAT using iptables= iptables provides very flexible NAT options. We can do static source NAT, static destination NAT, dynamic NAT, etc. with the help of iptables NAT feature..."
- 12:51, 9 November 2012 diff hist +1,772 N Rate limiting using iptables Created page with "=Rate limiting using iptables= We can limit rate of network communication using iptables to protect against flood attacks and also to regulate network usage. ==To protect a..."
- 12:51, 9 November 2012 diff hist +2,984 N Limiting number of new connections Created page with "=Limiting number of new connections per interval using iptables= We can also limit number of new connection attempts per interval using iptables. This is required even though..."
- 12:50, 9 November 2012 diff hist +619 N Limiting number of simultaneous connections Created page with "=Limiting number of simultaneous connections using iptables= ==Using connlimit module== We can use connlimit module of iptables to limit number of simultaneous connections t..."
- 12:50, 9 November 2012 diff hist +191 N Iptables configuration Created page with "=iptables configuration= *Limiting number of simultaneous connections *Limiting number of new connections *Rate limiting using iptables *NAT using iptables *[..."
- 12:50, 9 November 2012 diff hist +29 m Main Page
- 12:49, 9 November 2012 diff hist +1,521 N Configuring HP D1668 Deskjet in CentOS Created page with "=Configuring HP D1668 Deskjet in CentOS 5.4= (Required SELinux to be disabled, at least during installation) *Run '<tt>yum -y -d 10 -e 1 install cups cups-devel gcc-c++ ghos..."
- 12:48, 9 November 2012 diff hist +62 N Printer drivers Created page with "=Printer drivers= *Configuring HP D1668 Deskjet in CentOS"
- 12:48, 9 November 2012 diff hist +70 N Hardware drivers configuration or installation Created page with "=Hardware drivers configuration or installation= *Printer drivers"
- 12:48, 9 November 2012 diff hist +52 m Main Page
- 12:47, 9 November 2012 diff hist +1,230 N Configuring wireless interfaces Created page with "=Configuring wireless interfaces= To configure wireless interfaces in Linux one can use combination of '<tt>ifconfig</tt>', '<tt>iwconfig</tt>' and '<tt>iwlist</tt>' commands..."
- 12:45, 9 November 2012 diff hist +791 N IPv4 route configuration Created page with "=IPv4 route configuration= To add routes whenever a network gets started automatically we need to create a per-interface route file. For examples if we can reach network '10...."
- 12:45, 9 November 2012 diff hist +1,567 N MAC spoofing on Virtual machines Created page with "=MAC spoofing on virtual machines= We can change MAC address of interface using: <pre> ifconfig eth0 down ifconfig eth0 hw ether <new_MAC> ifconfig eth0 up </pre> But on Vir..."
- 12:44, 9 November 2012 diff hist +2,375 N Enabling wake on lan (WoL) Created page with "=Enabling Wake on LAN (WoL)= To enable wake on lan for a interface when it receives magic packet: *Open file '<tt>/etc/sysconfig/network-scripts/ifcfg-eth<n></tt>' *Add..."
- 12:43, 9 November 2012 diff hist +1,946 N Creating bridge interfaces (br0) for virtual hosts to use shared interface Created page with "=Creating bride interfaces (br0) for virtual hosts to use shared interface= There are two networking options when we create virtual machines *Virtual network and NAT *Shared ..."
- 12:42, 9 November 2012 diff hist +1,009 N Configuring ethernet port in trunk mode Created page with "=Configuring ethernet port in trunk mode= Assuming eth0 is to configured in trunk mode and VLAN 127 has to be used using 802.1q over eth0, follow these steps: (Note that devi..."
- 12:42, 9 November 2012 diff hist +295 N Network interface configuration Created page with "=Network interface configuration= *Configuring ethernet port in trunk mode *Creating bride interfaces (br0) for virtual hosts to use shared interface *[[Enabling wake..."
- 12:41, 9 November 2012 diff hist +69 N Network related configuration Created page with "=Network related configuration= *Network interface configuration"
- 12:41, 9 November 2012 diff hist +72 m Main Page
- 05:52, 9 November 2012 diff hist +663 N Ntpdate configuration Created page with "=ntpdate configuration= Sometimes we can get following message when we try to start ntpd service <pre> ntpd: Synchronizing with time server: [FAILED] Starting ntpd..."
- 05:51, 9 November 2012 diff hist +55 N Time server configuration Created page with "=Time server configuration= *ntpdate configuration"
- 05:51, 9 November 2012 diff hist +30 m Main Page
- 05:49, 9 November 2012 diff hist +63 N Web based tools or applications Created page with "=Web based tools or applications= *mediawiki configuration"
- 05:48, 9 November 2012 diff hist −166 m Main Page
- 05:47, 9 November 2012 diff hist +79 N Filesystem, partition or disk related tools Created page with "=Filesystem, partition or disk related tools= *Software raid configuration"
- 05:47, 9 November 2012 diff hist +49 m System administration tools
- 05:46, 9 November 2012 diff hist +29 m Securing remote shell access
- 05:45, 9 November 2012 diff hist +1,243 N Dstat Created page with "=dstat for monitoring io usage= We can use dstat for monitoring hard disk or IO usage. From man page we can see that 'dstat -M time,cpu,net,disk,sys,load,proc,topcpu' command..."
- 05:45, 9 November 2012 diff hist +85 N Monitoring tools Created page with "=Monitoring tools= *dstat *awstats configuration *logwatch configuration"
- 05:44, 9 November 2012 diff hist +22 m Main Page
- 05:42, 9 November 2012 diff hist +1,046 N Installing and configuring rssh to allow only scp and sftp Created page with "=Installing and configuring rssh to allow only scp and sftp= We can use yum on CentOS to install rssh. After installing edit file '<tt>/etc/rssh.conf</tt>' and uncomment belo..."
- 05:42, 9 November 2012 diff hist +85 N Rssh configuration Created page with "=rssh configuration= *Installing and configuring rssh to allow only scp and sftp"
- 05:42, 9 November 2012 diff hist +55 N Securing remote shell access Created page with "=Securing remote shell access= *rssh configuration"
- 05:41, 9 November 2012 diff hist +51 N Security tools Created page with "=Security tools= *Securing remote shell access"
- 05:41, 9 November 2012 diff hist +20 m Main Page
- 05:40, 9 November 2012 diff hist −1,797 m Basic mdadm configuration and commands
- 05:40, 9 November 2012 diff hist +488 N Configuring software RAID on server during installation Created page with "=Configuring software RAID on server during installation= #Install OS on hard-disks with software raid partitions. #Boot using 'Fedora resuce cd' or 'System rescue cd' and m..."
- 05:39, 9 November 2012 diff hist +61 m Software raid configuration
- 05:38, 9 November 2012 diff hist +569 N Reinstalling grub on RAID partition Created page with "=Reinstalling grub on raid partition= Sometimes just using auto-detect may not work and system may not boot when one of the raid hard-disks is removed. In such cases we need ..."
- 05:38, 9 November 2012 diff hist +41 m Software raid configuration
- 05:38, 9 November 2012 diff hist +764 N Booting machine after removing hard-disks from software raid array Created page with "=Booting machine after removing hard-disk from software raid array= When we try to boot after removing one hard-disk in some cases the system may boot properly. In other case..."
- 05:38, 9 November 2012 diff hist +72 m Software raid configuration
- 05:36, 9 November 2012 diff hist +5,046 N Basic mdadm configuration and commands Created page with "=Basic mdadm configuration and commands= ==Seeing information on running array== To see information on currently configured and running raid arrays and also status of differ..."
- 05:35, 9 November 2012 diff hist +74 N Software raid configuration Created page with "=Software raid configuration= *Basic mdadm configuration and commands"
- 05:34, 9 November 2012 diff hist +32 m Main Page
- 05:33, 9 November 2012 diff hist +436 N Tidy-rpm-cache Created page with "=tidy-rpm-cache.py (previous rm_obsolete_rpms.py)= We can download latest version of tidy-rpm from internet and then use it to delete obsolete packages from yum-cahce. This s..."
- 05:33, 9 November 2012 diff hist +47 N Package management tools Created page with "=Package management tools= *tidy-rpm-cache"
- 05:32, 9 November 2012 diff hist +60 N System administration tools Created page with "=System administration tools= *Package management tools"
- 05:32, 9 November 2012 diff hist +52 m Main Page
- 04:59, 9 November 2012 diff hist +415 N Configuring cisco switch as SNMP server Created page with "=Configuring cisco switch as SNMP server= Steps: #Go to '<tt>config t</tt>' and use #:<pre> #:: snmp-server enable informs #:: snmp-server community public ro #:</pre> Note..."
- 04:58, 9 November 2012 diff hist +45 m Switch configuration notes
- 04:58, 9 November 2012 diff hist +1,116 N Spanning tree configuration for Cisco switches Created page with "=Spanning-tree configuration for cisco switches= *Configure layer 3 switches as STP root *:Go to global configuration mode and use '<tt>spanning-tree vlan <vlan_id> ro..."
- 04:57, 9 November 2012 diff hist +52 m Switch configuration notes
- 04:57, 9 November 2012 diff hist +2,187 N Configuring manageable switch port to behave as unmanageable switch port Created page with "=Configuring manageable switch port to behave as unmanageable switch port= Sometimes manageable switches when connected to a port may not work because of security settings do..."
- 04:56, 9 November 2012 diff hist +78 m Switch configuration notes
- 04:56, 9 November 2012 diff hist +1,231 N Mirroring ports on Cisco switches Created page with "=Mirroring ports on cisco switches (SPAN) = ==Creating monitor session== To mirror ports (use SPAN) on Cisco 2950, 4503, etc. switches we can use '<tt>monitor session</tt>'..."
- 04:55, 9 November 2012 diff hist +39 m Switch configuration notes
- 04:54, 9 November 2012 diff hist +4,665 N Configuring basic Access Control List (ACL) on Cisco switches Created page with "=Configuring basic access control list (ACL) on Cisco switches= ==Limiting access to vty lines based on source IP with access list== To configure basic access control on sw..."
- 04:53, 9 November 2012 diff hist +67 m Switch configuration notes
- 04:52, 9 November 2012 diff hist +3 m Shifting Linksys switch to management VLAN 2
- 04:52, 9 November 2012 diff hist +1,659 N Shifting Linksys switch to management VLAN 2 Created page with "=Shifting linksys switch to management vlan 2= #Configure up-link port as trunk with native vlan 2. That is for Cisco switches use #:<pre> #:switchport mode trunk #:switchpo..."
- 04:52, 9 November 2012 diff hist +50 m Switch configuration notes
- 04:51, 9 November 2012 diff hist +970 N Enabling SSH and disabling telnet to Cisco switch Created page with "=Enabling SSH and disabling telnet to Cisco switch= First one should upgrade to latest crypto IOS available. Crypto IOS files generally have letter 'k' in their names. Then w..."
- 04:51, 9 November 2012 diff hist +55 m Switch configuration notes
- 04:50, 9 November 2012 diff hist +2,988 N Simple Cisco switch commands, tips and tricks Created page with "=Simple Cisco switch commands, tips and tricks= ==To see all ip addresses of switch== To see all ip addresses of switch use command `<tt>show ip aliases</tt>'. This can be v..."
- 04:50, 9 November 2012 diff hist +51 m Switch configuration notes
- 04:49, 9 November 2012 diff hist +3,157 N Configuring storm control on Cisco switch Created page with "=Configuring storm control on cisco switch= ==Configuring storm control on 2950+ switch== For 2950+ switch we can also specify values in percentage rather than packets per s..."
- 04:49, 9 November 2012 diff hist +47 m Switch configuration notes
- 04:48, 9 November 2012 diff hist +1,791 N Configuring privilege levels on Cisco switch Created page with "=Configuring privilege levels on Cisco switch= We can configure different command access based on priviledge level of user logged in. Hence, the commands available would depe..."
- 04:48, 9 November 2012 diff hist +50 m Switch configuration notes
- 04:46, 9 November 2012 diff hist +2,353 N Configuring etherchannel on Cisco switches Created page with "=Configuring etherchannel on Cisco switches= ==Configuring etherchannel on 2950+ switches with latest IOS== To configure etherchannel on 2950+ switches with latest IOS: #Go..."
- 04:46, 9 November 2012 diff hist +48 m Switch configuration notes
- 04:44, 9 November 2012 diff hist +1,457 N Tracing physical location of IP address in network using switches Created page with "=Tracing physical location of IP address in network using switches= To trace where is particular IP switch port by switch port we can make use of two different types of table..."
- 04:42, 9 November 2012 diff hist +71 m Switch configuration notes
- 04:41, 9 November 2012 diff hist +1,550 N Loading IOS on Cisco switch which has no existing IOS Created page with "=Loading IOS on Cisco switch which has no existing IOS= It is possible while upgrading IOS on switch that we upload some corrupted / wrong version of image. In that case swit..."
- 04:40, 9 November 2012 diff hist +59 m Switch configuration notes
- 04:40, 9 November 2012 diff hist +1,014 N Upgrading Cisco switch IOS using tftp server Created page with "=Upgrading switch IOS from telnet and tftp server= Normally if the previous image of switch IOS has web interface (flash:/html directory present) then we can use Cisco Networ..."
- 04:38, 9 November 2012 diff hist +50 m Switch configuration notes
- 04:36, 9 November 2012 diff hist +1,007 N Reset enable password on Cisco switch Created page with "=Reset enable password on Cisco switch= If we do not know enable / console / telnet etc. password of switch and have physical access to switch then, we can reset the password..."
- 04:36, 9 November 2012 diff hist +72 N Switch configuration notes Created page with "=Switch configuration notes= *Reset enable password on Cisco switch"
- 04:35, 9 November 2012 diff hist +71 m Main Page
- 10:02, 8 November 2012 diff hist +960 N Backing up and restoring MySQL database Created page with "=Backing up and restoring MySQL database= ==MySQL database backup== To backup MySQL database one can use '<tt>mysqldump</tt>' program. Syntax for mysqldump is: <pre> mysqldu..."
- 09:56, 8 November 2012 diff hist +45 m Mariadb configuration
- 09:55, 8 November 2012 diff hist +969 N Restoring mediawiki from database backup Created page with "=Restoring mediawiki from database backup= Most of the times during restore the latest version of mediawiki available would be never then version of mediawiki from which back..."
- 09:54, 8 November 2012 diff hist +626 N Installing PdfExport extension for mediawiki Created page with "=Installing PdfExport extension for mediawiki= *First install `<tt>htmldoc</tt>' package using yum. *You can get the source code for extension from http://www.mediawiki.org/..."
- 09:53, 8 November 2012 diff hist +2,397 N Enabling and using file uploads with mediawiki Created page with "=Enabling and using file uploads with mediawiki= ==Configuring mediawiki== You can add following lines to LocalSettings.php file to enable uploads quicky <pre> #Setting local..."
- 09:53, 8 November 2012 diff hist +490 N Changing logo displayed by mediawiki Created page with "=Changing logo displayed by mediawiki= To change logo displayed by mediawiki, change value of '$wgLogo' variable in file 'LocalSettings.php'. Sample value is listed below. <p..."
- 09:52, 8 November 2012 diff hist +1,691 N Blocking registration on mediawiki Created page with "=Blocking registration on mediawiki= There are various user groups in MediaWiki. One of the groups is '*' which includes all users (including anonymous users). Registered use..."
- 09:52, 8 November 2012 diff hist +2,430 N Configuring new mediawiki Created page with "=Configuring new mediawiki= #Download latest mediawiki source code from Internet #Extract mediawiki source in some folder (preferably <tt>/usr/share/mediawiki-<name></tt>) #O..."
- 09:51, 8 November 2012 diff hist +29 m Mediawiki configuration
- 09:50, 8 November 2012 diff hist +372 N Mediawiki configuration Created page with "=mediawiki configuration= *Configuring new mediawiki *Blocking registration on mediawiki *Changing logo displayed by mediawiki *[[Enabling and using file uploads]..."
- 09:49, 8 November 2012 diff hist +29 m Main Page
- 09:49, 8 November 2012 diff hist +980 N Removing banned IP from denyhosts Created page with "=Removing banned IP from denyhosts= To remove banned IP from denyhosts follow these steps: Check whether IP is present in "/etc/hosts.deny" or not. If IP is not present in t..."
- 09:48, 8 November 2012 diff hist +1,297 N Configuring new denyhosts server from source Created page with "=Configuring new denyhosts server from source= # Download latest source code for denyhosts from Internet. # Extract file using something like '<tt>tar xzf DenyHosts-2.6.tar.g..."
- 09:48, 8 November 2012 diff hist +12 m Denyhosts configuration
- 09:48, 8 November 2012 diff hist +103 N Denyhosts configuration Created page with "=Denyhosts configuration= *Configuring new denyhosts server *Removing banned IP from denyhosts"
- 09:47, 8 November 2012 diff hist +29 m Main Page
- 09:46, 8 November 2012 diff hist +1,017 N Troubleshooting zimbra issues Created page with "=Troubleshooting zimbra issues= ==ldap fails to start== Zimbra ldap may fail to start if domain to IP address mapping is incorrect. Ensure that if primary domain in example...."
- 09:46, 8 November 2012 diff hist +4,442 N Basic zimbra configuration Created page with "=Zimbra= ==Installation== #Zimbra setup can be downloaded from http://www.zimbra.com/downloads/os-downloads.html #Verify md5sum and then extract download archive #<tt>servic..."
- 09:46, 8 November 2012 diff hist +97 N Zimbra server configuration Created page with "=Zimbra server configuration= *Basic zimbra configuration *Troubleshooting zimbra issues"
- 09:45, 8 November 2012 diff hist +33 m Main Page
- 09:44, 8 November 2012 diff hist +2,997 N SNMP server configuration for Linux hosts Created page with "=SNMP server configuration for Linux hosts= Steps: #Ensure that packages '<tt>net-snmp</tt>' and '<tt>net-snmp-utils</tt>' are installed. #Start snmpd service and enable it o..."
- 09:44, 8 November 2012 diff hist +75 N SNMP server configuration Created page with "=SNMP server configuration= *SNMP server configuration for Linux hosts"
- 09:44, 8 November 2012 diff hist +31 m Main Page
- 09:43, 8 November 2012 diff hist +801 N Cache peer configuration for squid Created page with "=Cache peer configuration for squid= ==Configuring cache peer for some specific domains== We can configure parent proxy for few specific domains. This can be useful if paren..."
- 09:42, 8 November 2012 diff hist +732 N Squid ACL notes Created page with "=Squid ACL notes= ==Blocking domains== We can use following lines to block domains youtube.com, youtube.co.uk, etc. from 10.2.48.0/24 IP range: <pre> acl youtube_facebook_s..."
- 09:41, 8 November 2012 diff hist +1,142 N Using encrypted channels to communicate with squid proxy server Created page with "=Using encrypted channels to communicate with squid proxy server= We can use <pre> https_port 8081 cert=/etc/squid/squid.pem </pre> in '<tt>squid.conf</tt>' to allow clients ..."
- 09:41, 8 November 2012 diff hist +1,602 N Configuring proxy authentication for squid Created page with "=Configuring proxy authentication for squid= ==Enabling proxy authentication using custom plugin== We can configure a program for basic authentication using lines like: <pre..."
- 09:40, 8 November 2012 diff hist +3,332 N Configuring squid cache Created page with "=Configuring squid cache= ==Configurable parameters related to squid cache== ===Configuring structure of squid_cache directory and amount of data stored=== We can configure..."
- 09:40, 8 November 2012 diff hist +1,643 N Configuring squid cache manager Created page with "=Configuring squid cache manager= ==Configure web interface of squid cache manager== Squid comes with cache manager CGI application which can be used to see cache statistics..."
- 09:39, 8 November 2012 diff hist +279 N Squid proxy server configuration Created page with "=squid proxy server configuration= *Configuring squid cache manager *Configuring squid cache *Configuring proxy authentication for squid *[[Using encrypted channe..."
- 09:39, 8 November 2012 diff hist +38 m Main Page
- 10:30, 7 November 2012 diff hist +153 N Generating new ssh host keys for openSSH server Created page with "=Generating new SSH host keys for openSSH server= To generate new SSH host keys use command: <pre> ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key </pre>"
- 10:30, 7 November 2012 diff hist +1,198 N Improving openSSH server performance Created page with "=Improving SSH server performance= There are various ways of improving SSH server performance. For example on local LAN disabling all types of DNS checks both on server and o..."
- 10:29, 7 November 2012 diff hist +675 N Disabling reverse DNS lookup for openSSH Created page with "=Disabling reverse DNS lookup for openSSH= Sometimes SSH to servers takes considerable time. This can be due to delay problems with DNS servers. If we are on local LAN and th..."
- 10:29, 7 November 2012 diff hist +1,117 N Passphrase for ssh-keys Created page with "=Passphrase for ssh-keys= When our public key, private key etc. can be used to access some sensitive information that it makes sense to protect our keys with some passphrase...."
- 10:28, 7 November 2012 diff hist +844 N Sharing multiple ssh connections Created page with "=Sharing multiple ssh connections= It is possible that once ssh connection is established with the machine, the same gets used for all additional ssh, scp, rsync etc. connect..."
- 10:28, 7 November 2012 diff hist +2,854 N Chrooting sftp users to home directory with openSSH Created page with "=Chrooting sftp users to home directory with openSSH= In shared hosting environment it might be desired that users can only do sftp and cannot execute shell commands. Also it..."
- 10:27, 7 November 2012 diff hist +577 N Configuring idle timeout for openSSH Created page with "=Configuring idle timeout for openSSH= We can configure idle timeout for ssh so that if there is no activity for given period, the user is automatically logged out. To config..."
- 10:27, 7 November 2012 diff hist +2 m OpenSSH server configuration
- 10:26, 7 November 2012 diff hist +336 N OpenSSH server configuration Created page with "=OpenSSH server configuration= *Configuring idle timeout for shell *Chrooting sftp users to home directory with openSSH *Sharing multiple ssh connections *[[Passp..."
- 10:25, 7 November 2012 diff hist +34 m Main Page
- 10:24, 7 November 2012 diff hist +904 N Configuring basic tftp server Created page with "=Configuring basic tftp server= To create a tftp server use: # <tt>yum install tftp tftp-server</tt> # Edit '<tt>/etc/xinetd.d/tftp</tt>', change disable to no # Start xinetd..."
- 10:24, 7 November 2012 diff hist +63 N Tftp server configuration Created page with "=tftp server configuration= *Configuring basic tftp server"
- 10:23, 7 November 2012 diff hist +31 m Main Page
- 10:22, 7 November 2012 diff hist +12,669 N Basic samba server configuration Created page with "=Basic samba server configuration= ==On Windows XP== # Either disable windows firewall or Create exception for file and printer sharing in windows firewall. # Disable all vi..."
- 10:22, 7 November 2012 diff hist +67 N Samba server configuration Created page with "=Samba server configuration= *Basic samba server configuration"
- 10:22, 7 November 2012 diff hist +32 m Main Page
- 10:21, 7 November 2012 diff hist +4,649 N Configuring basic pxeboot server Created page with "=Configuring basic pxeboot server= To configure a basic pxeboot server we can use following steps: #Install packages '<tt>dhcp</tt>', '<tt>tftp-server</tt>' and '<tt>syslinux..."
- 10:20, 7 November 2012 diff hist +69 N Pxeboot server configuration Created page with "=pxeboot server configuration= *Configuring basic pxeboot server"
- 10:20, 7 November 2012 diff hist +34 m Main Page
- 10:18, 7 November 2012 diff hist +1,372 N Configuring LDAP based authentication for apache Created page with "=Configuring LDAP based authentication for apache= To configure LDAP based authentication for apache use: #Install mod_authz_ldap package using '<tt>yum -y install mod_authz_..."
- 10:17, 7 November 2012 diff hist +669 N Host resolution using openLDAP Created page with "=Host resolution using ldap= To use ldap for host resolution use following steps: #Verify that '<tt>nis</tt>' schema is included in slapd configuratiodn #Create an ou for hos..."
- 10:17, 7 November 2012 diff hist +6,507 N Configuring authentication with openLDAP server Created page with "=Configuring authentication with openLDAP server= ==LDAP server configuration== ===User accounts=== First user accounts or groups should be created on ldap server. A sample ..."
- 10:16, 7 November 2012 diff hist +2,750 N Configuring openLDAP replica server Created page with "=Configuring openLDAP replica server= ==Primary server configuration== ===Enable syncronization module=== To configure replica server on primay node add following global c..."
- 10:16, 7 November 2012 diff hist +624 N Database wide operations such as backup or restore for openLDAP Created page with "=Database wide operations such as backup or restore for openLDAP= ==Backing up ldap database== To backup ldap database use: <pre> slapcat -l <backup_file> -f /etc/openldap/s..."
- 10:15, 7 November 2012 diff hist +1,397 N Converting old slapd.conf file to cn=config format Created page with "=Converting old slapd.conf file to cn=config format= To convert slapd.conf file to new format start slapd once using '<tt>-F</tt>' option with an empty directory such as: <pr..."
- 10:15, 7 November 2012 diff hist +2,340 N OpenLDAP client configuration Created page with "=ldap client configuration= ==Configuring thunderbird to use LDAP address book== We can use following values to create LDAP address book in thunderbird that uses IIIT ldap s..."
- 10:14, 7 November 2012 diff hist +5,690 N Securing openLDAP SASL authentication Created page with "=Securing openLDAP SASL authentication= ==Managing password stored in DIT== To modify or set ldap passwords using slapd.conf (rootpw) or ldapmodify/ldapadd (userPassword) on..."
- 10:13, 7 November 2012 diff hist +7,435 N Configuring TLS or SSL security for openLDAP server Created page with "=Configuring TLS or SSL security for openLDAP server= ==Certificate generation== ''All certificate generation related steps can also be done using '<tt>easy-rsa</tt>' script..."
- 10:11, 7 November 2012 diff hist +1,988 N Configuring ACLs in openLDAP server Created page with "=Configuring ACLs in openLDAP server= ==Adding ACLs== To add ACLs create a ACL configuration file named '<tt>/etc/openldap/slapd.acl' and modify '<tt>slapd.conf</tt>' so tha..."
- 10:10, 7 November 2012 diff hist +10,282 N Installation and configuration of basic openLDAP server Created page with "=Installation and configuration of basic openLDAP server= ==Install ldap server== To install ldap server use: <pre> yum -y install openldap-servers openldap-clients openldap..."
- 10:10, 7 November 2012 diff hist +5,509 N Basic theory of ldap Created page with "=Basic theory of LDAP= ==Introduction== OpenLDAP can be used to store information in tree type fashion. Difference between an RDBMS and LDAP is that data in RDBMS is organiz..."
- 10:09, 7 November 2012 diff hist +604 N OpenLDAP Created page with "=openLDAP server configuration= *Basic theory of ldap *Installation and configuration of basic openLDAP server *Configuring ACLs in openLDAP server *[[Configuring..."
- 10:07, 7 November 2012 diff hist +35 m Main Page
- 04:46, 7 November 2012 diff hist +10,118 N Configuring email virtual hosting using sendmail Created page with "=Configuring email virtual hosting using sendmail= We can host email services for multiple domains like @domain1.com, @domain2.com, etc. on same email server with single IP a..."
- 04:45, 7 November 2012 diff hist +86 N Sendmail server configuration Created page with "=Sendmail server configuration= *Configuring email virtual hosting using sendmail"
- 04:44, 7 November 2012 diff hist +35 m Main Page
- 04:43, 7 November 2012 diff hist +298 N Testing bind server configuration Created page with "=Testing bind server configuration= ==Checking response times== One of the parameters that can be tested for DNS servers is response time. We can use command: <pre> dig @<na..."
- 04:36, 7 November 2012 diff hist +4,808 N Configuring basic DNS service with bind Created page with "=Configuring basic DNS service with bind= In order to configure basic DNS service with bind we can first look for sample named.conf that came with our bind distribution. We c..."
- 04:35, 7 November 2012 diff hist +116 N Bind DNS server configuration Created page with "=Bind DNS server configuration= *Configuring basic DNS service with bind *Testing bind server configuration"
- 04:35, 7 November 2012 diff hist +35 m Main Page
- 04:28, 7 November 2012 diff hist +3,986 N Enabling peap authentication with freeRADIUS server Created page with "=Enabling peap with freeRADIUS= '''Note that below steps just work upto enabling peap without causing any startup problems. The settings could not be tested with any NAS clie..."
- 04:28, 7 November 2012 diff hist +2,660 N Configuring Windows XP for using 802.1x for Ethernet Created page with "=Configuring Windows XP for using 802.1x for Ethernet= #Login as user which belongs to administrators group. #Go to Control panel -> Administrative tools -> Services or use '..."
- 04:27, 7 November 2012 diff hist +3,553 N Configuring very basic radius server Created page with "=Configuring very basic radius server with local user file based authentication= #Do 'chkconfig radiusd on' to enable radius server on PC startup. #Run 'service radiusd start..."
- 04:27, 7 November 2012 diff hist +775 N Configuring Linksys switch as radius client Created page with "=Configuring Linksys switch as RADIUS client= To configure Linksys switches (specifically SLM224G2) as client for radius server use following steps: #Log into switch using we..."
- 04:26, 7 November 2012 diff hist +233 N Freeradius configuration Created page with "=Freeradius configuration= *Configuring Linksys switch as radius client *Configuring very basic radius server *[[Configuring Windows XP for using 802.1x for Ethernet]..."
- 04:26, 7 November 2012 diff hist +30 m Main Page
- 04:23, 7 November 2012 diff hist +458 N Redirecting site using apache configuration Created page with "=Redirecting site using apache configuration= There are many ways of reidrecting websites using apache. Most of them are discussed at http://www.yolinux.com/TUTORIALS/ApacheR..."
- 04:22, 7 November 2012 diff hist +1,162 N Using mod proxy to pass requests to local servers transparently Created page with "=Using mod proxy to pass requests to local servers transparently= We can use '<tt>ProxyPass</tt>' and '<tt>ReverseProxyPass</tt>' apache configuration directives to pass requ..."
- 04:22, 7 November 2012 diff hist +2,386 N Basic awstats configuration Created page with "=Basic awstats configuration= awstats can be used to analyze the traffic pattern of the website. This can help in identifying main entry and exit points for users. It can als..."
- 04:21, 7 November 2012 diff hist +57 N Awstats configuration Created page with "=awstats configuration= *Basic awstats configuration"
- 04:21, 7 November 2012 diff hist +92 m Main Page
- 04:20, 7 November 2012 diff hist −27 m Apache web server configuration
- 04:19, 7 November 2012 diff hist +710 N Disabling mod security for apache Created page with "=Disabling mod_security for apache= It is possible to come across apache configuration where POST requests containing path like /etc/shadow or /bin/ping get blocked. To solve..."
- 04:19, 7 November 2012 diff hist +39 m Configuring multiple SSL sites
- 04:18, 7 November 2012 diff hist +5,420 N Apache virtualhost configuration for hosting multiple domains Created page with "=Apache Virtual Host configuration for hosting multiple domains= In order to configure many different domain names like 'first.example.com' and 'second.example.com' on same a..."
- 04:16, 7 November 2012 diff hist +2,730 N Using ajp module to pass requests to tomcat server listening on localhost transparently Created page with "=Using ajp module to pass requests to tomcat server listening on localhost transparently= We can use ajp module to pass requests coming to apache web server on port 80 to tom..."
- 04:15, 7 November 2012 diff hist +2,955 N Configuring multiple SSL sites Created page with "=Configuring mod_gnutls for apache= mod_gnutls allows us to have multiple HTTPS virtual hosts on same physical server with single IP address and multiple domain names. The ce..."
- 04:15, 7 November 2012 diff hist +456 N Apache web server configuration Created page with "=Apache web server configuration= *Configuring mod_gnutls so that we can have HTTPS virtual hosts in apache *[[Using ajp module to pass requests to tomcat server listenin..."
- 04:14, 7 November 2012 diff hist +37 m Main Page
- 04:09, 7 November 2012 diff hist +963 N MySQL Query logging Created page with "=Query logging= ==Logging all queries== We can log all queries that are received by server (even that have incorrect syntax) using '<tt>log</tt>' option in '<tt>[mysqld]</tt..."
- 04:09, 7 November 2012 diff hist +952 N Troubleshooting MySQL table errors Created page with "=Troubleshooting table errors= ==Table not found or file not found errors== Normally mysql database is kept in '<tt>/var/lib/mysql</tt>' folder. In this folder there is gene..."
- 04:08, 7 November 2012 diff hist +673 N Resetting MySQL root password Created page with "=Resetting mysql root password= In case we have root privileges on server and want to reset mysql root password then we can use following steps: #Stop mysql service if it is..."
- 04:08, 7 November 2012 diff hist +662 N Disabling case-sensitive checking for table and column names in MySQL Created page with "=Disable case-sensitive checking in MySQL= On Operating Systems like Windows where filesystem is case-insensitive MySQL would be case-insensitive by default. But on operating..."
- 04:07, 7 November 2012 diff hist +724 N Enabling Innodb engine for MySQL Created page with "=Enabling Innodb engine for MySQL= To enable Innodb engine for MySQL put following lines in `<tt>/etc/my.cnf</tt>' file <pre> innodb_data_home_dir = /usr/local/mysql/var/ inn..."
- 04:06, 7 November 2012 diff hist +769 N Configuring basic MariaDB server Created page with "=Configuring basic MySQL server= =Installation= To install mysql server use: <pre> yum -y install mysql-server </pre> =Configuration= ==Starting mysql server== To start..."
- 04:06, 7 November 2012 diff hist +12 m Mariadb configuration
- 04:05, 7 November 2012 diff hist +259 N Mariadb configuration Created page with "=MySQL configuration= *Configuring basic mysql server *Enabling Innodb engine for MySQL *Disabling case-sensitive checking for table and column names in MySQL *[[..."
- 04:05, 7 November 2012 diff hist +25 m Main Page
- 04:04, 7 November 2012 diff hist +2,096 N Installing rsyslog from yum repository Created page with "=Configuring rsyslog server in CentOS= To install rsyslog server in CentOS from source follow these steps: *Download latest stable release of rsyslog from http://www.rsyslog..."
- 04:03, 7 November 2012 diff hist +60 N Rsyslog configuration Created page with "=rsyslog configuration= *Installing rsyslog from source"
- 04:03, 7 November 2012 diff hist +27 m Main Page
- 03:17, 7 November 2012 diff hist +300 N Increasing detail of logwatch output Created page with "=Increasing detail of logwatch output= many log scripts accept variables and generate different detail / type of output based on value of variable. Hence we can edit '/etc/lo..."
- 03:17, 7 November 2012 diff hist +42 m Logwatch configuration
- 03:13, 7 November 2012 diff hist +2,251 N Creating new logwatch service or scripts Created page with "==Creating new logwatch service or scripts== ===Creating service configuration file=== In order to get log messages of remote host though logwatch email we have to setup serv..."
- 03:11, 7 November 2012 diff hist +71 N Logwatch configuration Created page with "=Logwatch configuration= *Creating new logwatch service or scripts"
- 03:09, 7 November 2012 diff hist +612 N About wiki Created page with "=About wiki= This wiki is used to share my personal notes related to servers, system administration, security, programming, network devices, etc. I use Cent-OS / Fedora / RHE..."
- 03:05, 7 November 2012 diff hist +261 N User:Saurabh Created page with "=Saurabh Barjatiya= I am the main author for this notes wiki. My personal homepage is at http://www.sbarjatiya.com/ I can be contacted at saurabh[at]sbarjatiya.com. Any su..." current
- 02:42, 7 November 2012 diff hist −341 m Main Page