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(newest | oldest) View (newer 250 | older 250) (20 | 50 | 100 | 250 | 500)- 07:07, 17 August 2022 Saurabh talk contribs created page CentOS 8.x Roundcube (Created page with "Home > CentOS > CentOS 8.x > Web based tools > CentOS 8.x Roundcube *CentOS 8.x Roundcube installation *CentOS 8.x Roundcube web based installer for Gmail IMAP and SMTP There are older articles on roundcube at Roundcube configuration")
- 07:07, 17 August 2022 Saurabh talk contribs created page CentOS 8.x Roundcube installation (Created page with "Home > CentOS > CentOS 8.x > Web based tools > CentOS 8.x Roundcube > Installation To install roundcube use following steps: # Install mariadb and set roundcube database using: #:<pre> #:: dnf -y install mariadb-server #:: systemctl start mariadb #:: systemctl enable mariadb #:: mysql_secure_installation #:: #:: mysql -u root -p #:: #:: CREATE DATABASE roundcubemail; #:: CRE...")
- 13:03, 3 August 2022 Saurabh talk contribs created page Accessing partition via IVM managed hosts (Created page with "Home > VIOS or AIX > Accessing partition via IVM managed hosts We can access virtual terminal on IVM managed hosts when there is older power server and no vHMC via: # If logged in via root change to padmin user via (Or login as padmin directly) #:<pre> #:: su - padmin #:</pre> # Get the lpars names and id's #:<pre> #:: lssyscfg -r lpar -F name,lpar_id #:</pre> # Login to lpar using id #:<pre> #:: mkvt -id <lpar-id> #:</pre> # If terminal already...")
- 12:55, 3 August 2022 Saurabh talk contribs created page Accessing VIOS console via HMC console (Created page with "Home > VIOS or AIX > Accessing VIOS console via HMC console In case of emergency (unexpected boot after maintenance) we should always be able to connect to VIOS via HMC via console. This can help in recovering from some boot issues. To do the same use: # SSH to vHMC via use (eg hscroot) # Run below command #:<pre> #:: vtmenu #:</pre> # Select the appropriate power server for which we want to connect to VIOS # Select the VIOS to which we want to c...")
- 12:33, 3 August 2022 Saurabh talk contribs created page Removing disk from VIOS server (Created page with "Home > VIOS or AIX > Removing disk from VIOS server To remove disk from VIOS server use below steps: # Login to VIOS server (padmin) # Find the hdisk name of the disk to be removed using: #:<pre> #:: lspv #:</pre> #: Example output #::<pre> #:::$ $ lspv #:::NAME PVID VG STATUS #:::hdisk120 00c2eae02d3989c8 None #:::hdisk121 00c2eae095ba1018...")
- 12:26, 3 August 2022 Saurabh talk contribs moved page Configure Date and Time on VOIS to Configure Date and Time on VIOS (Spelling correction)
- 12:25, 3 August 2022 Saurabh talk contribs moved page VOIS or AIX to VIOS or AIX (Spelling correction)
- 11:46, 3 August 2022 Saurabh talk contribs created page Lvm2-pvscan service error on Suse LPAR or machine boot (Created page with "Home > Suse > Lvm2-pvscan service error on Suse LPAR or machine boot If we see following error while booting Suse LPAR or physical machine: <pre> FAILED] Failed to start LVM2 PV scan on device 254:7. See 'systemctl status lvm2-pvscan@254:7.service' for details </pre> Then the issue can be resolved by: # Login into emergency mode by entering root password # Start the lvm2 service manually: #:<pre> #:: systemctl start lvm2-pvscan@254:7.service...")
- 11:27, 3 August 2022 Saurabh talk contribs created page Making Input/Output Completion Port API Available (Created page with "Home > VOIS or AIX > Making Input/Output Completion Port API Available The IOCP API allows SAP ASE to process multiple simultaneous asynchronous I/O operations in a scalable fashion. If you do not have IOCP version 6.1.5.0 or later, SAP ASE does not start when you run '<tt>dataserver</tt>'. There might be error: <pre> 0509-136 Symbol CreateIoCompletionPort (number 579) is not exported from dependent module /unix </pre> To solve this use: # R...")
- 12:18, 22 July 2022 Saurabh talk contribs created page CentOS 8.x Reduce size of ext2, ext3 or ext4 partition (Created page with "Home > CentOS > CentOS 8.x > System Administration > Filesystem management > CentOS 8.x Reduce size of ext2, ext3 or ext4 partition In case size of ext partition (ext2-4) needs to be reduced, it can be done as follows: # Check the occupied and free space on partition: #:<pre> #:: df -h #:</pre> #: Ensure that we do not try to resize the partition to value less than free...")
- 10:59, 22 July 2022 Saurabh talk contribs created page CentOS 7.x LVM Remove physical volume from volume group (Created page with "=CentOS 7.x LVM Remove physical volume from volume group= To remove physical volume from volume group, there should be at least as many free Physical Extents (PE) in VG as present in that particular Pysical volume. Then we can move all used PE from Physical volume to other physical volumes in same VG and reduce "Used PE" count for physical volume to be removed to zero. Once used PE count is zero we can remove PV via vgreduce command. Overall steps are: # Check for fr...")
- 08:22, 22 July 2022 Saurabh talk contribs created page Configure NTP from cli or UI (Created page with "Home > VMWare platform > VMWare vSphere or ESXi > Configure NTP from cli or UI Changing time from CLI or UI is covered at ESXi host time settings =Configuring NTP from ESXi Web UI= # Login into ESXi web UI as root user # Go to Host -> Manage. Click on System -> Time and Date in right panel # Click on edit NTP settings ## Configure NTP to start and stop with host ## Configure comma separate ntp servers list ## Click Save # Under Host -> Ma...")
- 08:05, 22 July 2022 Saurabh talk contribs created page RHEL (Created page with "Home > RHEL *Upgrade RHEL6 to RHEL7")
- 08:05, 22 July 2022 Saurabh talk contribs created page Upgrade RHEL6 to RHEL7 (Created page with "Home > RHEL > Upgrade RHEL6 to RHEL7 We can upgrade from RHEL 6 to RHEL 7 as follows: # Install the tool to perform the migration from RHEL 6 to RHEL 7: #:<pre> #:: yum install redhat-upgrade-tool #:: yum install yum-utils #:</pre> # Disable all the enabled repositories: #:<pre> #:: yum-config-manager --disable \* #:</pre> # Download latest RHEL 7 ISO ## Visit the Red Hat Customer Service Portal at https://access.redhat.com/login and enter your use...")
- 08:00, 22 July 2022 Saurabh talk contribs created page Export of users from AD and import into another AD (Created page with "Home > Windows > Active Directory > Export of users from AD and import into another AD This was planned but the project was not required. Capturing references below to build KB in future: Refer: * Export : https://www.codetwo.com/admins-blog/export-users-from-active-directory/ * Import : ** https://networkproguide.com/bulk-import-users-into-active-directory-from-csv/ ** https://theitbros.com/import-users-into-active-directory-from-csv...")
- 07:38, 22 July 2022 Saurabh talk contribs created page Taking backup of VIOS server (Created page with "Home > VOIS or AIX > Taking backup of VIOS server To take backup of VIOS server use: # For backup, Create directory in tmp using: #:<pre> #:: oem_setup_env #:: mkdir /tmp/<backup-folder> #:: exit #:</pre> # Then take backup via: #:<pre> #:: #IOS backup including base code, fixes, drivers, etc. #:: backupios -file /tmp/<backup-folder>/<backup-filename>.mksysb -mksysb -nomedialib #:: #:: #User defined virtual device backup #:: viosbr -backup -file /t...")
- 07:27, 22 July 2022 Saurabh talk contribs created page Configure NTP client on AIX (Created page with "Home > VOIS or AIX > Configure NTP client on AIX To configure NTP client on AIX use: # Assuming DNS is working or configured as per Configure DNS via resolv.conf on AIX. We should be able to ping the desired ntp servers such as pool.ntp.org or time.google.com via DNS. # Synchornize time with suitable NTP server #:<pre> #:: ntpdate -d ip.address.of.server #:</pre> #: For example #::<pre> #::: ntpdate -d pool.ntp.org #::</pre> #:: '''Note that t...")
- 07:09, 22 July 2022 Saurabh talk contribs created page Configure DNS via resolv.conf on AIX (Created page with "Home > VOIS or AIX > Configure DNS via resolv.conf on AIX As per https://www.ibm.com/docs/en/aix/7.2?topic=formats-resolvconf-file-format-tcpip we need to directly create /etc/resolv.conf file on AIX to configure DNS. The syntax is similar to modern Unix systems such as: <pre> domain DomainName nameserver <Address1> nameserver <Address2> </pre> For example: <pre> domain example.com nameserver 10.1.1.1 nameserver 10.2.2.2 </pre> Main Page|Hom...")
- 07:06, 22 July 2022 Saurabh talk contribs created page Configure Date and Time on VOIS (Created page with "Home > VOIS or AIX > Configure Date and Time on VOIS =Configure Date and Time on VOIS= To configure date and time on VOIS use below steps: # Run below to get root shell #:<pre> #:: oem_setup_env #:</pre> # Open the configuration manager #:<pre> #:: smit #:</pre> # Go through following options to configure date and time ## Select "System Environments" ## Select "Change / Show Date and Time" ## Select "Change / Show Date & Time" ## Change required pa...")
- 06:54, 22 July 2022 Saurabh talk contribs created page VOIS or AIX (Created page with "Home > VOIS or AIX =VOIS= *Configure Date and Time on VOIS =AIX= *Configure DNS via resolv.conf on AIX *Configure NTP on AIX Home > VOIS or AIX")
- 05:35, 21 July 2022 Saurabh talk contribs created page CRM cluster on Suse Miscellaneous notes (Created page with "Home > Suse > SAP setup and maintenance > CRM cluster on Suse Miscellaneous notes =Accessing cluster via web interface= Access cluster via https://<hostname-or-ip>:7630/ (Hawk) and login via appropriate user such as hacluster.")
- 05:26, 21 July 2022 Saurabh talk contribs created page Checking SAP application ASCS/ERS status (Created page with "Home > Suse > SAP setup and maintenance > Checking SAP application ASCS/ERS status =ASCS / ERS status= As explained at https://blogs.sap.com/2021/10/28/sap-ascs-high-availability-using-ers-explained/ we use ASCS / ERS replication to ensure high availability of application. For checking whether ASCS / SRS are running on which nodes we can use either cluster command such as: <pre> #RHEL pcs cluster status #OR pcs status #Suse crm status </pr...")
- 04:03, 21 July 2022 Saurabh talk contribs created page Checking HANA DB replication status (Created page with "Home > Suse > SAP setup and maintenance > Checking HANA DB replication status The HANA database would have a ID such as ABC. In that case use following steps to check database replication status # Login into server as root # Connect to DB admin account using #:<pre> #:: su - <abc>adm #:</pre> #: where <abc> should be replaced with HANA DB ID # First we can check which machine is primary and which is secondary via: #:<pre> #:: hdbnsutil -...")
- 04:03, 21 July 2022 Saurabh talk contribs created page CentOS 8.x SAP Pacemaker cluster miscellaneous notes (Created page with "Home > CentOS > CentOS 8.x > SAP setup and maintenance > Miscellaneous notes =Watchdog should be enabled= We can check existing cluster configuration using: <pre> pcs property show </pre> However, if one of the value is shown as: <pre> have-watchdog: false maintenance-mode: false no-quorum-policy: ignore startup-fencing: true stonith-enabled: true </...")
- 11:03, 14 July 2022 Saurabh talk contribs restored page Ntp server configuration (5 revisions)
- 10:57, 14 July 2022 Saurabh talk contribs deleted page Ntp server configuration (content was: "<yambe:breadcrumb>CentOS 6.x|CentOS 6.x</yambe:breadcrumb> =ntp server configuration= '''There are newer articles on NTP at CentOS 8.x ntp servers''' *Configure basic ntp server and client *Troubleshoot ntp issues", and the only contributor was "Saurabh" (talk))
- 07:28, 14 July 2022 Saurabh talk contribs moved page Install Nvidia P100 graphics card driver on Ubuntu 16.04 to Install Nvidia graphics card driver on Ubuntu along with cuda libraries (Improving article and also making it more generic)
- 07:26, 14 July 2022 Saurabh talk contribs created page CentOS 7.x Install nvidia drivers and cuda library (Created page with "<yambe:breadcrumb>CentOS 7.x package management|CentOS 7.x package management</yambe:breadcrumb> =CentOS 7.x Install nvidia drivers and cuda library= To install Nvidia drivers and Cuda library on CentOS 7.x use: # Do full installation of CentOS7 # Disable Selinux by editing '<tt>/etc/selinux/config</tt>' and using: #:<pre> #:: SELINUX=disabled #:</pre> #: Also do #::<pre> #::: setenforce 0 #::</pre> # Disable firewalld #:<pre> #:: systemctl stop firewalld #:: systemctl...")
- 09:16, 8 July 2022 Saurabh talk contribs created page PBS job queues resource management (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > PBS job queues resource management In order to restrict amount of resources available to users we need to do resource management on queues and assign users / nodes or groups to queues. =Resource management for the overall Queue= * Set Maximum CPU for the queue *:<pre> *:: qmgr -c "set queue testq1 resources_max.ncpus=20" *:</pre> * Set Maximum Memory for queue *:<pre> *:: qmgr...")
- 09:06, 8 July 2022 Saurabh talk contribs created page PBS job submission and execution (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > PBS job submission and execution =Sample pbs stress job for testing= We can test PBS installation by validating whether we are able to submit jobs and they are executing properly on various nodes using: # Install stress package on all the nodes #:<pre> #:: yum install -y stress #:</pre> #: Assumes epel, etc. are enabled as part of compute/execution node setup # Create the PBS scri...")
- 08:54, 8 July 2022 Saurabh talk contribs created page PBS job queue creation (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > PBS job queue creation =Adding compute or execution nodes to PBS queue management= To Add the nodes in pbs login to master node and use: <pre> qmgr create node master create node compute-0-0 create node compute-0-1 quit </pre> * On each and every node ensure that *:<pre> *:: ping <master-hostname> (eg ping rocks) *:</pre> *: results in master private IP and not public IP. In...")
- 08:45, 8 July 2022 Saurabh talk contribs created page PBS setup client node (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > PBS setup client node To install Client node use: # Download & Install pbs packages #:<pre> #:: wget http://wpc.23a7.iotacdn.net/8023A7/origin2/rl/PBS-Open/pbspro_19.1.2.centos_7.zip #:: unzip pbspro_19.1.2.centos_7.zip #:: cd pbspro_19.1.2.centos_7 #:: yum install -y pbspro-client-19.1.2-0.x86_64.rpm #:</pre> # Check master hostname in '<tt>/etc/pbs.conf</tt>' # Source various fi...")
- 08:42, 8 July 2022 Saurabh talk contribs created page PBS setup execution node (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > PBS setup execution node To setup PBS execution node use: # Download & Install pbs packages using: #:<pre> #:: wget http://wpc.23a7.iotacdn.net/8023A7/origin2/rl/PBS-Open/pbspro_19.1.2.centos_7.zip #:: unzip pbspro_19.1.2.centos_7.zip #:: cd pbspro_19.1.2.centos_7 #:: yum localinstall -y ./pbspro-execution-19.1.2-0.x86_64.rpm #:</pre> # Edit master hostname in '<tt>/etc/pbs.conf</t...")
- 08:38, 8 July 2022 Saurabh talk contribs created page PBS setup master node (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > PBS setup master node To setup PBS master node use: # Download pbs packages #:<pre> #:: wget http://wpc.23a7.iotacdn.net/8023A7/origin2/rl/PBS-Open/pbspro_19.1.2.centos_7.zip #:: unzip pbspro_19.1.2.centos_7.zip #:</pre> # Install PBS on master server #:<pre> #:: cd pbspro_19.1.2.centos_7 #:: yum localinstall -y ./pbspro-server-19.1.2-0.x86_64.rpm #:</pre> # Edit pbs conf file ('<t...")
- 08:26, 8 July 2022 Saurabh talk contribs created page PBS pre-requisites (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > PBS pre-requisites Following pre-requisites are required for PBS to work: # Nodes should resolve each other using short-names and FQDN such rocks2, rocks2.local to their private IP. This is taken care of by rocks cluster #: Might require fixing /etc/hosts on compute nodes to point to master FQDN via private IP instead of master public IP # There should be password-less SSH betwee...")
- 08:22, 8 July 2022 Saurabh talk contribs created page PBS Theory (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > PBS Theory The related documentation is on installing PBS Pro packages in which there are three types of nodes: ; pbspro-server : This should be installed on one node (or two if you employ failover) in your cluster where the server and scheduler will run. Most admins prefer not to run jobs on this node, but it is certainly possible. This RPM also installs everything you would get...")
- 04:45, 5 July 2022 Saurabh talk contribs created page Setting up VDI machines with virtual Nvidia graphics card (Created page with "Home > VMWare platform > VMWare Horizon > Setting up VDI machines with virtual Nvidia graphics card In case of VDI the physical server can have graphics card such as Nvidia A40 and then we can associate smaller virtual slices of this Graphics card with VMs to give small amount of graphics memory + CPU to the VM. This can help with 3D applications performance in the VDI environment. =Downloading Nvidia software from site= To download Nvidia so...")
- 04:21, 5 July 2022 Saurabh talk contribs created page Configure IIS for additional file extensions and mime types (Created page with "Home > Windows > Microsoft IIS Web server > Configure IIS for additional file extensions and mime types If we try to put new types of files such as .pem, .cer which are not recognized by IIS by default in webroot (C:\Inetput\wwwroot) or its subfolders then they do not get downloaded when requested via the web URL. To enable serving such files by IIS Web server we need to associate their extension with appropriate mime type using: # For this g...")
- 04:19, 5 July 2022 Saurabh talk contribs created page Microsoft IIS Web server (Created page with "Home > Windows > Microsoft IIS Web server *Configure IIS for additional file extensions and mime types")
- 07:53, 20 June 2022 Saurabh talk contribs created page Disable password complexity at AD policy level (Created page with "Home > Windows > Active Directory > [[Disable password complexity at AD policy level] To disable AD password complexity use: # Go to either "Group policy editor" at AD level or "Local policy editor" at machine level or both # Go to Computer Computer Configuration -> Windows Settings -> Security Settings ->Password Policy # Change the complexity and password aging as per requirement # At AD level from administrator cmd run #:<pre> #:: gpupdate /fo...")
- 06:51, 20 June 2022 Saurabh talk contribs created page VxRail RASR SD card reset using RASR ISO (Created page with "Home > VMWare platform > VxRail > VxRail RASR SD card reset using RASR ISO If reset of node via SD Card as explained at Factory reset VxRail 4.7 server is not working then we can try reimaging the SD card itself using: =RASR Reset using RASR ISO= # In Web browser, open iDRAC web UI and launch virtual console. # In the Virtual Console window, click Virtual Media tab and select Connect Virtual Media. # Select Virtual Media again, and then s...")
- 06:47, 20 June 2022 Saurabh talk contribs created page Delete horizon protected images or VMs or templates (Created page with "Home > VMWare platform > VMWare Horizon > Delete horizon protected images or VMs or templates To delete Horizon protected VMs use: # Login into existing connection server as domain user #: This can also be a different / new connection server deployed afresh and connected to same vCenter where old horizon protected VMs / templates or images need to be deleted # Open an administrative cmd # Go to folder using #:<pre> #:: cd C:\Program Files\VMw...")
- 06:36, 20 June 2022 Saurabh talk contribs created page Windows Server 2019 activation via proxy or via phone (Created page with "Home > Windows > Windows Server 2019 > Windows Server 2019 activation via proxy or via phone We can activate any modern Windows including Windows Server 2019 via proxy using: # Through server manager -> Local server: ## Disable IE enchanced mode configuration ## Configure correct timezone as per requirement # Configure proxy in Internet explorer such that you can open https://www.google.co.in. If proxy requires authentication enter username an...")
- 06:11, 20 June 2022 Saurabh talk contribs created page Configure MSSQL events database server (Created page with "Home > VMWare platform > VMWare Horizon > Configure MSSQL events database server =MS SQL server installation= To setup MS SQL server use: # Run SQLEXPR installer # Choose "New SQL Server stand-alone installation or add features to an existing installation" # In popup window, accept the license, click next # Choose "Use Microsoft update to check for updates(recommended)", click next # In feature selection page, leave default settings, click next...")
- 08:26, 16 June 2022 Saurabh talk contribs created page Configuring a windows file server for user data (Created page with "Home > VMWare platform > VMWare Horizon > Configuring a windows file server for user data In case of Horizon setup, once users log into their VDI machines, ideally they should not keep any data locally. Hence it is possible to map some shared storage to them via DEM or manually. In either case a Windows based file server is required. =Building a Windows file sharing server in Windows 2019= To build Windows 2019 based file sharing server re...")
- 08:48, 22 May 2022 Saurabh talk contribs created page CentOS 9.x tar (Created page with "Home > CentOS > CentOS 9.x > CentOS 9.x Command line tools and utilities > CentOS 9.x tar =Resume a tar.gz command that was killed= Support a file is being created using: <pre> tar czf backup.tar.gz /mnt/backup </pre> But the process is killed in between. Now instead of re-compressing all the files which are part of backup.tar.gz already, it is possible to create another .tar.gz file with remaining data. To do that use: <pre> cd ~ tar ztf...")
- 08:43, 22 May 2022 Saurabh talk contribs created page CentOS 9.x Command line tools and utilities (Created page with "Home > CentOS > CentOS 9.x > CentOS 9.x Command line tools and utilities *CentOS 9.x tar")
- 13:02, 21 May 2022 Saurabh talk contribs created page Creating Golden image for Windows OS (Created page with "Home > VMWare platform > VMWare Horizon > Creating Golden image for Windows OS To create Golden image for Windows OS: =VM Creation= Create VM with following hardware configuration: # Select required no. of CPUs # Select desired memory. #: Expand the Memory section. #: Select Reserve all guest memory (All locked). # Choose appropriately sized hard disk, Choose Thin disk type #: Note that very large hard-disk will take time due to sdelete etc....")
- 12:40, 21 May 2022 Saurabh talk contribs created page Creating Windows 2019 or Windows 10 Desktop Pool (Created page with "Home > VMWare platform > VMWare Horizon > Creating Windows 2019 or Windows 10 Desktop Pool =Theory= There are three types of pools: ;Manual pool : We can create VMs and install Horizon agent. Then we can add them to Manual pool. This can be used to add physical Desktops / Servers etc. also to the horizon for connection server / UAG based remote access ;RDS pool : Once we create RDSH farm, we can create RDS pool as described in detail at Cre...")
- 11:21, 21 May 2022 Saurabh talk contribs created page CentOS 9.x Configure basic NFSv4 server for sharing folders between two machines (Created page with "Home > CentOS > CentOS 9.x > CentOS 9.x file sharing > CentOS 9.x NFS > CentOS 9.x Configure basic NFSv4 server for sharing folders between two machines There is older article on this at CentOS 7.x Configure basic NFSv4 server for sharing folders between two machines To configure CentOS 9.x based NFS server use: # Disable SELinux by editing '<tt>/etc/sysconfig/selinux</tt>' and setting: #:<pre> #:: SELINUX=disabled #:</pre> #: Al...")
- 11:18, 21 May 2022 Saurabh talk contribs created page CentOS 9.x NFS (Created page with "Home > CentOS > CentOS 9.x > CentOS 9.x file sharing > CentOS 9.x NFS *CentOS 9.x Configure basic NFSv4 server for sharing folders between two machines")
- 11:17, 21 May 2022 Saurabh talk contribs created page CentOS 9.x file sharing (Created page with "Home > CentOS > CentOS 9.x > CentOS 9.x file sharing *CentOS 9.x NFS")
- 11:17, 21 May 2022 Saurabh talk contribs created page CentOS 9.x (Created page with "Home > CentOS > CentOS 9.x *CentOS 9.x file sharing")
- 03:27, 20 May 2022 Saurabh talk contribs created page Creating RDSH Automatic Instant Clone Farms (Created page with "Home > VMWare platform > VMWare Horizon > Creating RDSH Automatic Instant Clone Farms =Theory= In case of Desktop OS pools with dedicated VM per user we can create the pool directly using Golden images as explained at Creating Windows 2019 or Windows 10 Desktop Pool. However in case of RDSH shared desktop pools using Windows server OS where a single VM can be used by multiple users concurrently, we need to first create a farm of RDS hosts...")
- 02:59, 20 May 2022 Saurabh talk contribs created page AD Configuration required for various Windows RDSH or Desktop pools (Created page with "Home > VMWare platform > VMWare Horizon > AD Configuration required for various Windows RDSH or Desktop pools For users to be able to remotely login into the VMs created as part of Horizon, we need to create following OUs, groups and policies: # Open Active Directory users and computers ## Create OU for VDI ## Create new sub=OU for VMs ## Create group for Desktop pool users under main VDI OU. If you are planning to create five different VDI po...")
- 02:47, 20 May 2022 Saurabh talk contribs created page Horizon Connection server installation (Created page with "Home > VMWare platform > VMWare Horizon > Horizon Connection server installation =Pre-requisites= Before setting up a Horizon connection server we should have: # Working VMWare ESXi and vCenter setup with shared storage and adequate spare hardware resources (RAM, Disk, CPU, etc.) # Working AD server along with domain administration access to AD server #: Domain AD credentials should be available as a service account without any password expiry....")
- 02:27, 20 May 2022 Saurabh talk contribs created page ESXi boot issues (Created page with "Home > VMWare platform > VMWare vSphere or ESXi > ESXi boot issues It is possible for ESXi to not boot properly with errors such as: <pre> SINIT Authenticated Code Module detected an intel Trusted Execution Technology(TXT) problem at boot. </pre> These are caused due to TPM module. Clearing TPM module or resetting (Restarting) iDRAC does not seems to help. In such cases we need to do a cold reboot (Full poweroff and then after waiting sometim...")
- 05:08, 19 May 2022 Saurabh talk contribs created page Restart rsync on failure via shell script (Created page with "Home > Shell scripting > Useful bash shell scripts > Restart rsync on failure via shell script It is possible to create shell script to restart rsync, if it exits with failure status (non-zero return value) using: <pre> #!/bin/bash while [ 1 ] do <rsync-command> if [ "$?" = "0" ] ; then echo "rsync completed normally" exit else echo "Rsync failed. Retrying..." sleep 180 fi done </pre> Here replac...")
- 15:24, 16 May 2022 Saurabh talk contribs created page Test connectivity when using multiple tcp/ip stacks (Created page with "Home > VMWare platform > VMWare vSphere or ESXi > Test connectivity when using multiple tcp/ip stacks It is possible for ESXi host to use multiple TCP/IP stacks. In that case to validate connectivity between two ESXi hosts use: # Get list of network stacks using: #:<pre> #:: esxcli network ip netstack list #:</pre> # Understand which vmkernel port is using which TCP/IP stack using: #:<pre> #:: esxcli network ip interface list | grep -i 'name\...")
- 15:21, 16 May 2022 Saurabh talk contribs created page Troubleshooting vSAN issues (Created page with "Home > VMWare platform > vMWare VSAN > Troubleshooting vSAN issues =Host cannot communicate with one or more other nodes in the vSAN enabled cluster= There can be possibility of error such as: <pre> Host cannot communicate with one or more other nodes in the vSAN enabled cluster </pre> esp. after some kind of network disconnection OR incorrect shutdown / boot procedure. To solve that: # ping from one host to all other hosts and va...")
- 17:58, 15 May 2022 Saurabh talk contribs created page CentOS 8.x Control Web panel Whitelist or Blacklist IP or email or domain in postfix (Created page with "Home > CentOS > CentOS 8.x > CentOS 8.x email servers > CentOS 8.x Control Web panel > Whitelist or Blacklist IP or email or domain in postfix Normally logwatch emails might be sent to root@localhost and via /etc/aliases and combination of CentOS 8.x postfix send email through relay or smarthost with smtp authentication might get delivered to intend...")
- 17:54, 15 May 2022 Saurabh talk contribs created page CentOS 8.x Control Web panel Migrate web and email domain from existing server (Created page with "Home > CentOS > CentOS 8.x > CentOS 8.x email servers > CentOS 8.x Control Web panel > Migrate web and email domain from existing server Control Web Panel (CWP) is suited for email and web virtual hosting. Creating a greenfield domain should be straight forward. However, if you want to migrate existing site and emails to CWP based server use following steps...")
- 17:48, 15 May 2022 Saurabh talk contribs created page CentOS 8.x Control Web panel Initial configuration (Created page with "Home > CentOS > CentOS 8.x > CentOS 8.x email servers > CentOS 8.x Control Web panel > Initial configuration Once installed initial configuration of CWP can be done as follows: # After Web login on https://<server-fqdn-or-ip>:2031/, click "Set Root Email" and update "Admin Email" #: Ideally also select "Forward server system emails" checkbox # If you are planning to host emails th...")
- 17:43, 15 May 2022 Saurabh talk contribs created page CentOS 8.x Control Web panel Installation on linode (Created page with "Home > CentOS > CentOS 8.x > CentOS 8.x email servers > CentOS 8.x Control Web panel > Installation on linode To use Control Web panel (CWP) on CentOS8-Stream linode use: # Create a linode with CentOS8-Stream OS with at least 2 GB RAM. #: Ideally setup public key based access #: Configure a root password also. This is required later to login into CWP. # SSH to linode as root user an...")
- 17:41, 15 May 2022 Saurabh talk contribs created page CentOS 8.x Control Web panel (Created page with "Home > CentOS > CentOS 8.x > CentOS 8.x email servers > CentOS 8.x Control Web panel *CentOS 8.x Control Web panel Installation on linode *CentOS 8.x Control Web panel initial configuratoin *CentOS 8.x Control Web panel Migrate web and email domain from existing server *CentOS 8.x Control Web panel Whitelist or Blacklist IP or email or domain in postfix")
- 08:57, 15 May 2022 Saurabh talk contribs created page CentOS 8.x mediawiki include multi-line source code (Created page with "Home > CentOS > CentOS 8.x > Web based tools > mediawiki > CentOS 8.x mediawiki include multi-line source code It is often required to have source included as part of article within numbered text such as done at CentOS 8.x Systemd based reverse ssh tunnel service For that we need to use something like: <pre> # First # Second <source line lang="CSharp">Some Multi Line C Sharp Code </so...")
- 08:52, 15 May 2022 Saurabh talk contribs created page CentOS 8.x Systemd based reverse ssh tunnel service (Created page with "Home > CentOS > CentOS 8.x > CentOS 8.x Security tools > CentOS 8.x Systemd based reverse ssh tunnel service In case anydesk/teamviewer are proving unreliable there is option to connect to an internal server behind NAT using reverse ssh. For this we create service on internal server which does SSH to a public server via public key and creates reverse ssh tunnel from public server to itself. Anyone who has SSH access to public server, ca...")
- 17:26, 13 May 2022 Saurabh talk contribs created page ESXi losses all vmkernel or ip configuration (Created page with "Home > VMWare platform > VMWare vSphere or ESXi > ESXi losses all vmkernel or ip configuration While changing vMkernel IPs on very slow VPN connecting using vCenter web interface, had to refresh a browser a few times. After that ESXi seems to have lost all its configuration. Rebooting it also did not help. It was connected to vCenter, showing as part of distributed switch but all vMkernel adapters were not visible. To solve this restored ES...")
- 14:40, 13 May 2022 Saurabh talk contribs created page Get Dell OS 10 switch service tag using cli (Created page with "Home > Switch configuration notes > Get Dell OS 10 switch service tag using cli To get OS 10 switch service tag use: <pre> show inventory </pre> Refer: * https://www.dell.com/support/kbdoc/en-us/000187055/dell-emc-networking-how-to-find-the-service-tag-in-a-s6100-on-switch Home > Switch configuration notes > Get Dell OS 10 switch service tag using cli")
- 14:14, 13 May 2022 Saurabh talk contribs created page Breaking 40G QSFP+ to 4x10G SFP+ in Dell OS 10 switches (Created page with "Home > Switch configuration notes > Breaking 40G QSFP+ to 4x10G SFP+ in Dell OS 10 switches In OS 10 switches to convert a 40/100G port to 4x10G SFP+ when connected using 40G to 4x10G DAC cable use: <pre> config t interface breakout <interface> map 10g-4x </pre> where <interface> should be replaced with number such as 1/1/15 Refer: * https://dl.dell.com/topicspdf/smrtfab-os10-5-2_ug_en-us_en-us.pdf '''Note: ''' There is also mention...")
- 13:59, 13 May 2022 Saurabh talk contribs created page CentOS 8.x create or extend lvm partition with striping (Created page with "Home > CentOS > CentOS 8.x > System Administration > Filesystem management > CentOS 8.x create or extend lvm partition with striping =Create striped lvm partition= In case of physical disks (not in case of central storage where LUNs are coming from same pool), we can increase performance of a partition by doing striping (RAID 0) over various independent disks. To config...")
- 09:58, 11 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 Update master and all compute nodes (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Update master and all compute nodes =Update master= To update use: # Edit files in '<tt>/etc/yum.repos.d/</tt>' and set enable=1. At least enabled repositories in: #* CentOS-Base.repo #* epel.repo #* rpmforge.repo # '''Ensure that''' in /etc/yum.conf, caching is enabled: #:<pre> #:: keepcache=1 #:</pre> # Then update the master node fully using: #:<pr...")
- 08:33, 11 May 2022 Saurabh talk contribs moved page CentOS 7.x Rocks cluster 7.0 Sun Grid Engine sge role to CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role (Corrected name)
- 08:02, 11 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 Sun Grid Engine sge role (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Sun Grid Engine sge role =Manager privielges= For a user to submit job with positive priority they must be manager as per SGE. To configure user as manager use: <pre> qconf -am <username> </pre> Refer: * https://docs.oracle.com/cd/E19957-01/820-0698/6ncdvjclp/index.html =Opening qmon= There is graphical qmon tool that comes with SGE. That does not...")
- 07:14, 11 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 Compute node network configuration (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Compute node network configuration =Add public network to compute node= We can see defined networks using: <pre> rocks list network </pre> Then we can see list of existing host interfaces using: <pre> rocks list host interface <hostname> </pre> We can see additional ports on host using: <pre> ssh <hostname> "ip addr show" | grep mtu </pre> Then we ca...")
- 07:11, 11 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 Reinstall OS on compute node (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Reinstall OS on compute node To reinstall OS on compute node use: <pre> rocks list host boot rocks set host boot <hostname> action=install ssh <hostname> "shutdown -r now" </pre> This assumes that the boot order on compute node is properly set to boot from network. '''By default there is /state/partition1 partition created on compute nodes. This part...")
- 07:04, 11 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 Customize compute node during installation (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Customize compute node during installation To customer compute node immediately after the OS installer completes use following steps: # Create extend-compute.xml file using: #:<pre> #:: cd /export/rocks/install/site-profiles/7.0/nodes/ #:: cp -i skeleton.xml extend-compute.xml #Dont overwrite existing file, if any #:</pre> # Edit '<tt>extend-compute.x...")
- 06:42, 11 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 Install rpm package in compute nodes (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Install rpm package in compute nodes =Install rpm package directly via yum/rpm= We can copy the rpm file to compute node and install it via rpm/yum. If the package is likely to be there in the yum repository of rocks then it call also be installed via yum directly. For example: <pre> ssh <compute-node-hostname> yum -y install iotop </pre> =Install...")
- 16:15, 10 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 Troubleshooting (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Troubleshooting =Unable to use rocks command or sun-grid-engine= If while using rocks you face errors such as: <pre> [root@rocks ~]# rocks sync host network gpu error: commlib error: got select error (Connection refused) unable to send message to qmaster using port 536 on host "rocks.local": got send error [root@rocks ~]# qhost error: commlib error: got...")
- 12:46, 10 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 Build compute server (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Build compute server The compute node is setup via Pxeboot. It should be connected only to private network and then booted via network. # Before doing network boot on compute node, on master server, run below command: #: <pre> #:: insert-ethers #: </pre> # On the ncurses based popup '''Choose Compute''', it would display: 'insert-ethers is waiting f...")
- 12:42, 10 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 Build master server (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Build master server =Minimum requirement= * Should have atleast two network interfaces ** eth0 - First interface connected to private network ** eth1 - Second interface connected to public network * Hostname must set while installing. This FQDN should resolve to master node public IP via DNS. *: '''The hostname cannot be frontend.<domain-name>. Any ot...")
- 12:31, 10 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 Build rolls server (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Build rolls server We can build a rolls server to setup master node using a CentOS 7 machine. To setup rolls on a CentOS 7 machine use: # Disable firewalld #:<pre> #:: systemctl stop firewalld #:: systemctl disable firewalld #:</pre> # Disable selinux by editing '<tt>/etc/selinux/config</tt>' as: #:<pre> #:: SELINUX=disabled #:</pre> #: Also run #::...")
- 12:20, 10 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 Introduction (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Introduction =Types of nodes= Rocks cluster ( http://www.rocksclusters.org/ ) allows us to build a cluster of machines so that they can be used for HPC purposes. In this case we have at least three types of nodes: ; Rolls-server : This is setup initially to setup a master server. After master server is setup this may not be required ; Master-server :...")
- 12:10, 10 May 2022 Saurabh talk contribs created page CentOS 7.x Rocks cluster 7.0 (Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 *CentOS 7.x Rocks cluster 7.0 Introduction *CentOS 7.x Rocks cluster 7.0 Build rolls server *CentOS 7.x Rocks cluster 7.0 Build master server *CentOS 7.x Rocks cluster 7.0 Build compute server")
- 11:57, 10 May 2022 Saurabh talk contribs created page Windows Server 2019 password reset (Created page with "Home > Windows > Windows Server 2019 > Windows Server 2019 password reset To reset password in Windows Server 2019 machine use: # Boot using Windows 2019 installation DVD # After your computer boots from the disc, select your language and keyboard and then Next. # Select Repair your computer at the lower left corner. # Select Troubleshoot and then choose Command Prompt. # Execute the following two commands, and press Enter after each. #:<pre>...")
- 11:54, 10 May 2022 Saurabh talk contribs created page Windows Server 2019 (Created page with "Home > Windows > Windows Server 2019 *Windows Server 2019 password reset")
- 06:16, 10 May 2022 Saurabh talk contribs created page Build VxRail 7.0 (Created page with "Home > VMWare platform > VxRail > Build VxRail 7.0 =Required VLANs= For building a VxRail cluster we need to have following VLANs: ; VLAN 3939 : This is used by VxRail nodes to communicate (discover) with each other. This is often referred as internal management VLAN. We should enable IGMP and IPv6 at least for this VLAN *: See Build_VxRail_4.7#Enabling_IPv6_and_IGMP_snooping ; VLAN for vSAN : For vSAN connectivity ; VLAN for vMotion : Fo...")
- 13:34, 21 April 2022 Saurabh talk contribs created page CentOS 8.x IPv6: MLD: clamping QRV from 1 to 2! messages in syslog (Created page with "Home > CentOS > CentOS 8.x > System Administration > [[Home > CentOS > CentOS 8.x > System Administration] It is possible to continous messages such as: <pre> IPv6: MLD: clamping QRV from 1 to 2! </pre> in '<tt>/var/log/syslog</tt>' file. To disable them for current boot use: <pre> sysctl net.ipv6.mld_qrv=1 </pre> To disable them even after reboots c...")
- 12:47, 19 April 2022 Saurabh talk contribs created page Production deployment for vCF 4.3.1.0 (Created page with "Home > VMWare platform > vCloud Foundation > Production deployment for vCF 4.3.1.0 =Site readiness= For vCF 4.3.1.0 deployment we need to ensure following before we start deployment: * We need one ESXi host to deploy cloud builder appliance. At least 4vCPU, 8GB Memory, 300GB storage is required for vCF cloud builder VM * Download the appropriate version of cloud builder appliance '''for exact same version''' and keep it read...")
- 07:22, 19 April 2022 Saurabh talk contribs created page Configuring new S4100 series Dell switch with OS 10 (Created page with "Home > Switch configuration notes > Configuring new S4100 series Dell switch with OS 10 To configure a new S4100 series switch (Ex S4128F-on) we can use below details: =Default baud-rate for console= The first option to get connected to a new switch is via console. For Dell switches while using the micro-usb port present on the switch, connect via Putty or hyperterminal with baud rate: '''115200 baud rate, 8 data bits, and no parity. ''' =Defa...")
- 07:00, 19 April 2022 Saurabh talk contribs created page Upgrading firwmare on S4100 series Dell switches with OS 10 (Created page with "Home > Switch configuration notes > Upgrading firwmare on S4100 series Dell switches with OS 10 To perform OS10 upgrade using CLI use below steps: # For download the appropriate image for the switch using Dell Digit locker ( https://www.dell.com/SUPPORT/SOFTWARE/ ) # Download OS10 Enterprise Edition image, from the site in tar file format for the upgrade. # Take configuration backup of current running config from exec mode #:<pre> #:: copy running-...")
- 04:38, 19 April 2022 Saurabh talk contribs created page CentOS 8.x System Activity Reporter (sar) (Created page with "Home > CentOS > CentOS 8.x > System Administration > System Activity Reporter (sar) =Install sar= To install sar use: <pre> dnf -y install sysstat </pre> Start and enable sysstat service: <pre> systemctl start sysstat systemctl enable sysstat </pre> =Get history= ==CPU usage history== To get CPU usage history use: <pre> sar -u </pre> ==Ram usage history== To...")
- 03:40, 19 April 2022 Saurabh talk contribs created page Yaws (Created page with "Home > Erlang > Yaws *CentOS 8.x Create systemd service for erlang yaws web server")
- 04:14, 14 April 2022 Saurabh talk contribs created page CentOS 8.x dnsmasq (Created page with "Home > CentOS > CentOS 8.x > DNS servers > dnsmasq If we do not want to setup full fledged DNS using bind and only need a few A/MX records resolved, similar to /etc/hosts file then we can use dnsmasq. dnsmasq is often automatically deployed and used by libvirt. If KVM based virtualization is being used there might be dnsmasq already listening on default virbr0 - 192.168.122.1 on UDP Port 53. If w...")
- 04:02, 14 April 2022 Saurabh talk contribs created page CentOS 8.x DNS servers (Created page with "Home > CentOS > CentOS 8.x > DNS servers *CentOS 8.x dnsmasq '''There are older articles on bind at: *Bind DNS server configuration *CentOS 7.x DNS configuration")
- 06:54, 13 April 2022 Saurabh talk contribs created page Enable Suse for SAP software management via Local CD/DVD (Created page with "Home > Suse > SAP setup and maintenance > Enable Suse for SAP software management via Local CD/DVD After Suse for SAP (eg SLES 15 for SAP) installation, if we go to yast2 -> Software Repositories, most of the repositories refer to virtual CD or local iso file in /sapmnt folder. To make the installation files avaialble, via iDRAC mount the ISO file used to install Suse in virtual CD drive. Then copy the installation ISO to /sapmnt folder. We...")
- 06:03, 13 April 2022 Saurabh talk contribs created page Sophos XG series VPN configuration (Created page with "Home > Enterprise security devices or applications > Sophos Firewall or IPS > Sophos XG series VPN configuration In case of Sophos firewall we can configure VPN as follows: # Go to VPN -> "Show VPN Settings" and configure the LAN IPs (VPN IPs) to be allotted to users once they are connected over VPN. These are typically a small subnet (eg /24) from 10.0.0.0/8 (Preferable), 172.16.0.0/12 or 192.168.0.0/16. #: Avoiding 192.168.0.0/16 makes sense...")
- 13:55, 7 April 2022 Saurabh talk contribs moved page Installaing Android SDK to Installing Android SDK (Spelling correction)
- 04:40, 6 April 2022 Saurabh talk contribs created page SAP server maintenance overview (Created page with "Home > Suse > SAP setup and maintenance > SAP server maintenance overview =Scheduled maintenance= Following different scenarios are possible for base IT infrastructure maintenance for SAP servers: ; Only App and DB software maintenace : In this case we can stop or start SAP cluster using Pacemaker start and stop for Hana DB and application servers ; Entire power servers and LPARs need to be powered off and on : In this case we can follow th...")
- 03:39, 30 March 2022 Saurabh talk contribs created page CentOS 8.x Zimbra forward a copy of all incoming and outgoing emails to audit email ID (Created page with "Home > CentOS > CentOS 8.x > CentOS 8.x email servers > CentOS 8.x Zimbra > CentOS 8.x Zimbra forward a copy of all incoming and outgoing emails to audit email ID For auditing or security compliance purposes, it might be required to forward a copy of all incoming / outgoing emails to a particular audit email ID. To configure such forwarding use below steps: # Create '<tt>/opt/zimbra/conf/sender_bcc</tt>' with domains and email ID list...")
- 03:15, 28 March 2022 Saurabh talk contribs created page Trunking incoming VLANs on uplink port to all other ports (Created page with "Home > Switch configuration notes > Trunking incoming VLANs on uplink port to all other ports If the Juniper switch is being used as ToR (and not L3) and we need to forward all the incoming VLANs from uplink port to hosts ports (Typically for virtualization) then we can use following steps: # Create required VLANs using #:<pre> #:: set vlans <vlan-name> vlan-id <vlan-id> #:</pre> #:For example #::<pre> #::: set vlans IT-Management vlan-id 12 #::: s...")
- 02:54, 28 March 2022 Saurabh talk contribs created page Configuring new Juniper switch for remote access via vme port (Created page with "Home > Switch configuration notes > Configuring new Juniper switch for remote access via vme port To configure a brand new Juniper switch for remote access via vme (Management port) use following steps: # First connect to switch via console using 9600 baud rate # Then login into switch with username root. It wont prompt for any password. By default password for root user is empty (no-password). #:* https://kb.juniper.net/InfoCenter/index?page=co...")
- 02:00, 28 March 2022 Saurabh talk contribs created page Solving IP ROUTE TABLE Overflow issue on Linksys Cisco SMB SG series switches (Created page with "Home > Switch configuration notes > Solving IP ROUTE TABLE Overflow issue on Linksys Cisco SMB SG series switches On old Linksys SMB switches which are rebranded as Cisco SG switches (eg SG300, SG450) while connected through command line (Console or SSH or Telnet) and adding route we may see following error: <pre> %IPROUTETABLE-A-ROUTETABLEOVERFLOW: IP routing table overflow: failed to add route address </pre> appearing repeatedly on the console....")
- 08:01, 10 March 2022 Saurabh talk contribs created page CentOS 8.x SAP Pacemaker cluster start and stop (Created page with "Home > CentOS > CentOS 8.x > SAP setup and maintenance > Pacemaker cluster start and stop =Stopping Pacemaker cluster app, DB and NFS= For pacemaker start and stop for Hana DB and application servers in RHEL refer below steps: ==Stop Application servers== # From Master node, Put the cluster in maintenance mode: #:<pre> #:: pcs property set maintenance-mo...")
- 07:49, 10 March 2022 Saurabh talk contribs created page CentOS 8.x SAP setup and maintenance (Created page with "Home > CentOS > CentOS 8.x > SAP setup and maintenance *CentOS 8.x SAP Pacemaker cluster start and stop")
- 15:01, 4 March 2022 Saurabh talk contribs created page CentOS 8.x mediawiki setup new wiki optionally using existing database (Created page with "Home > CentOS > CentOS 8.x > Web based tools > mediawiki > setup new wiki optionally using existing database To setup new mediawiki On CentOS 8.x optionally using existing database use: # Download latest mediawiki ( https://www.mediawiki.org/wiki/Download ) #* 1.37.1 at time of writing this article # Install web server...")
- 14:54, 4 March 2022 Saurabh talk contribs created page CentOS 8.x mediawiki (Created page with "Home > CentOS > CentOS 8.x > Web based tools > mediawiki *CentOS 8.x mediawiki setup new wiki optionally using existing database")
- 13:32, 22 April 2021 Saurabh talk contribs uploaded File:Vcf-public-ems.json (Example json file using the excel 2021-04-16-vcf-manual-deployment.xlsx after removing specifications for two network managers 10.1.1.6 and 10.1.1.7 for lab environments.)
- 13:09, 22 April 2021 Saurabh talk contribs uploaded File:2021-04-16-vcf-manual-deployment.xlsx (2021-04-16-vcf-manual-deployment.xlsx is filled sheet as per NSX-T and other vCF manual deployment articles example values. The sheet is prepared for vCF cloud builder 4.2.0.0 version)
- 10:59, 13 September 2019 Saurabh talk contribs moved page CentOS 7.x installling anydesk to CentOS 7.x installing anydesk (Spelling correction)
- 09:12, 6 June 2019 Saurabh talk contribs deleted page CentOS 7.x Owncloud (Duplicate of another page with same title with different case)
- 17:38, 30 January 2019 Saurabh talk contribs moved page Transmission to CentOS 7.x Transmission (Reorganizaing based on OS name)
- 02:37, 27 January 2019 Saurabh talk contribs moved page Determine anydesk ID from Linux command line to OpenSuse Leap 15 Determine anydesk ID from Linux command line (Reorganizaing based on OS name)
- 02:37, 27 January 2019 Saurabh talk contribs moved page Anydesk to OpenSuse Leap 15 Anydesk (Reorganizaing based on OS name)
- 02:36, 27 January 2019 Saurabh talk contribs moved page Disable skype autostart in Linux to OpenSuse Leap 15 Disable skype autostart in Linux (Reorganizaing based on OS name)
- 02:33, 27 January 2019 Saurabh talk contribs moved page Change date-format displayed in Thunderbird to OpenSuse Leap 15 Change date-format displayed in Thunderbird (Reorganizaing based on OS name)
- 02:32, 27 January 2019 Saurabh talk contribs moved page Skype to OpenSuse Leap 15 Skype (Reorganizaing based on OS name)
- 02:31, 27 January 2019 Saurabh talk contribs moved page Thunderbird to OpenSuse Leap 15 Thunderbird (Reorganizaing based on OS name)
- 11:08, 17 August 2018 Saurabh talk contribs moved page Using startssl SSL certificates for HTTPS to Installing SSL certificate in Apache
- 12:01, 12 August 2018 Saurabh talk contribs deleted page File:Rsyslog asa.conf-2009-10-14.txt (lost due to missing upload folder)
- 12:01, 12 August 2018 Saurabh talk contribs deleted page File:Rsyslog asa-2009-10-14.txt (lost due to missing upload folder)
- 12:00, 12 August 2018 Saurabh talk contribs deleted page File:2010-03-14-named.conf.txt (lost due to missing upload folder)
- 12:00, 12 August 2018 Saurabh talk contribs deleted page File:2010-03-14-sbarjatiya.in.zone.txt (lost due to missing upload folder)
- 12:00, 12 August 2018 Saurabh talk contribs deleted page File:2010-03-14-leet.co.in.zone.txt (lost due to missing upload folder)
- 12:00, 12 August 2018 Saurabh talk contribs deleted page File:2011-05-11-audit.rules.txt (lost due to missing upload folder)
- 12:00, 12 August 2018 Saurabh talk contribs deleted page File:Auditing and ldap report.pdf (lost due to missing upload folder)
- 11:59, 12 August 2018 Saurabh talk contribs deleted page Configuring auditing daemon (content was: "<yambe:breadcrumb>Auditd configuration</yambe:breadcrumb> =Configuring auditing daemon= A good detailed information about auditd and...", and the only contributor was "Saurabh" (talk))
- 11:58, 12 August 2018 Saurabh talk contribs deleted page File:Copy saurabh do not delete 01.exp.txt (lost due to missing upload folder)
- 11:58, 12 August 2018 Saurabh talk contribs deleted page File:Copy saurabh do not delete 02.exp.txt (lost due to missing upload folder)
- 11:58, 12 August 2018 Saurabh talk contribs deleted page File:Copy script.sh.txt (lost due to missing upload folder)
- 11:58, 12 August 2018 Saurabh talk contribs deleted page File:Copy xml.sh.txt (lost due to missing upload folder)
- 11:58, 12 August 2018 Saurabh talk contribs deleted page File:Redefine vms.sh.txt (lost due to missing upload folder)
- 11:57, 12 August 2018 Saurabh talk contribs deleted page File:Setup lab machine.sh.txt (lost due to missing upload folder)
- 11:56, 12 August 2018 Saurabh talk contribs deleted page File:Fingerprint-auth-ac.txt (lost due to missing upload folder)
- 11:55, 12 August 2018 Saurabh talk contribs deleted page File:Sshd.txt (lost due to missing upload folder)
- 11:55, 12 August 2018 Saurabh talk contribs deleted page File:System-auth-ac.txt (lost due to missing upload folder)
- 11:55, 12 August 2018 Saurabh talk contribs deleted page File:Smartcard-auth-ac.txt (lost due to missing upload folder)
- 11:55, 12 August 2018 Saurabh talk contribs deleted page File:Password-auth-ac.txt (lost due to missing upload folder)
- 11:51, 12 August 2018 Saurabh talk contribs deleted page File:Arpwatch-init.txt (lost due to missing upload folder)
- 04:10, 15 October 2017 Saurabh talk contribs moved page Docker to CentOS 7.x Docker (Reorganization as per convention used for other pages)
- 16:12, 23 January 2017 Saurabh talk contribs moved page Install Bamboo on CentOS 7.x to CentOS 7.x Install Bamboo
- 16:10, 23 January 2017 Saurabh talk contribs moved page Install Fisheye on CentOS 7.x to CentOS 7.x Install Fisheye
- 16:08, 23 January 2017 Saurabh talk contribs moved page Install Bitbucket on CentOS 7.x to CentOS 7.x Install Bitbucket
- 16:06, 23 January 2017 Saurabh talk contribs moved page Install Jira on CentOS 7.x to CentOS 7.x Install Jira
- 16:06, 23 January 2017 Saurabh talk contribs moved page Atlassian products on CentOS 7.x to CentOS 7.x Atlassian products
- 16:04, 23 January 2017 Saurabh talk contribs moved page Add Windows 7 boot option to CentOS 7.0 grub2 to CentOS 7.x Add Windows 7 boot option to grub2
- 16:03, 23 January 2017 Saurabh talk contribs moved page CentOS 7 yum keyboard interrupt issue to CentOS 7.x yum keyboard interrupt issue
- 15:13, 23 January 2017 Saurabh talk contribs moved page Installing VLC on CentOS 7.0 to CentOS 7.x Installing VLC
- 15:12, 23 January 2017 Saurabh talk contribs moved page Installing PHP 5.5 on CentOS 7.0 to CentOS 7.x Installing PHP 5.5
- 14:45, 23 January 2017 Saurabh talk contribs moved page Installing EPEL on CentOS 7.0 to CentOS 7.x Installing EPEL
- 13:03, 15 January 2017 Saurabh talk contribs moved page CentOS 7.x specific issues to CentOS 7.x
- 10:33, 4 August 2016 Saurabh talk contribs moved page Configuring basic MySQL server to Configuring basic MariaDB server
- 10:30, 4 August 2016 Saurabh talk contribs moved page Mysql configuration to Mariadb configuration
- 08:03, 28 August 2015 Saurabh talk contribs moved page Add official non-editable user profile fields to Moodle course permissions
- 09:04, 6 August 2015 Saurabh talk contribs uploaded File:Arpwatch-init.txt (init.d script for ARPwatch to support multiple interfaces Refer http://sgros.blogspot.in/2012/01/arpwatch-on-multiple-interfaces.html for more details)
- 04:12, 10 June 2015 Saurabh talk contribs moved page Configuring mod gnutls so that we can have HTTPS virtual hosts in apache to Configuring multiple SSL sites
- 06:45, 11 February 2015 Saurabh talk contribs moved page Installing rsyslog from source to Installing rsyslog from yum repository
- 04:55, 28 November 2014 Saurabh talk contribs moved page Configuring basic SMTP, IMAP, POP and HTTP access for complete email using postfix, dovecot and squirrelmail to Configuring basic SMTP, IMAP, POP and HTTP access for complete email on different servers
- 04:48, 27 March 2014 Saurabh talk contribs uploaded File:Password-auth-ac.txt (Sample pam.d password-auth-ac configuration file configured to use LDAP for authentication)
- 04:48, 27 March 2014 Saurabh talk contribs uploaded File:Smartcard-auth-ac.txt (Sample pam.d smartcard-auth-ac configuration file configured to use LDAP for authentication)
- 04:48, 27 March 2014 Saurabh talk contribs uploaded File:System-auth-ac.txt (Sample pam.d system-auth-ac configuration file configured to use LDAP for authentication)
- 04:48, 27 March 2014 Saurabh talk contribs uploaded File:Sshd.txt (Sample pam.d sshd configuration file configured to create home directories automatically on first login. This is useful for ldap users.)
- 04:45, 27 March 2014 Saurabh talk contribs uploaded File:Fingerprint-auth-ac.txt (Sample pam.d fingerprint-auth-ac file which is configured to use LDAP)
- 10:54, 23 March 2014 Saurabh talk contribs moved page Connecting to SSH server listening on port 22 using HTTP proxy server with HTTP CONNECT to Connecting to SSH server listening on port 443 using HTTP proxy server with HTTP CONNECT without leaving a redirect (Typo correction)
- 03:23, 20 March 2014 Saurabh talk contribs moved page OpenLDAP server configuration to OpenLDAP (Better title)
- 07:07, 5 December 2013 Saurabh talk contribs moved page Installing EC2 command-line tools to Installing AWS command-line tools
- 11:24, 31 March 2013 Saurabh talk contribs moved page Redirect host port to guest port using qemu to Qemu networking
- 01:47, 23 March 2013 Saurabh talk contribs moved page Creating bride interfaces (br0) for virtual hosts to use shared interface to Creating bridge interfaces (br0) for virtual hosts to use shared interface
- 14:39, 9 January 2013 Saurabh talk contribs moved page Installing openVZ on Cent OS 5.5 to Installing openVZ on Cent OS (Better name for page)
- 07:52, 2 December 2012 Saurabh talk contribs deleted page MediaWiki:Breadcrumbs (Not required as using yambe breadcrumbs)
- 06:12, 10 November 2012 Saurabh talk contribs uploaded File:Setup lab machine.sh.txt (This is the main script file which should be called once. This calls other shell scripts and expect scripts internally to complete the setup of lab machine for lab exam. This script first configures current system for various services and then it calls...)
- 06:12, 10 November 2012 Saurabh talk contribs uploaded File:Redefine vms.sh.txt (This is simple shell script which undefines set of VMs and then re-defines them using XML configuration files present in various VM folders. )
- 06:11, 10 November 2012 Saurabh talk contribs uploaded File:Copy xml.sh.txt (This script creates a expect script that can be used to copy XML file from main source machine for a particular VM to current machine. It then calls the created expect file to actually perform the copy operation. This is done with the help of here docu...)
- 06:10, 10 November 2012 Saurabh talk contribs uploaded File:Copy script.sh.txt (This script copies VM hard-disk images of one main virtual machine to other virtual machines locally so that we do not have to do this expensive copying over network. It only copies XML file which are different for each image from original source machi...)
- 06:09, 10 November 2012 Saurabh talk contribs uploaded File:Copy saurabh do not delete 02.exp.txt (This expect script file copies only one virtual machine hard-disk image and its libvirt XML configuration file from main source machine to current machine. Later this image file will be used to create other hard-disk image files locally reducing networ...)
- 06:09, 10 November 2012 Saurabh talk contribs uploaded File:Copy saurabh do not delete 01.exp.txt (This expect script copies only files by use of wildcard *.* from xen_images folder of main source machine to current machine )
- 04:17, 10 November 2012 Saurabh talk contribs uploaded File:Auditing and ldap report.pdf (This is final report of auditing daemon configuration and ldap updation module semester project submitted by Sankalp Khare and Mayank Juneja. )
- 04:15, 10 November 2012 Saurabh talk contribs uploaded File:2011-05-11-audit.rules.txt (A good audit.rules file created as part of project on understanding linux auditing by Sankalp Khare. )
- 04:42, 7 November 2012 Saurabh talk contribs uploaded File:2010-03-14-leet.co.in.zone.txt (Sample zone file for leet.co.in zone. This zone uses ns.sbarjatiya.in and ns2.sbarjatiya.in as its name servers as we need some other domain NS to resolve our NS servers and not cause recursion. Also giving IP for NS in rediff hosting was resulting in ...)
- 04:41, 7 November 2012 Saurabh talk contribs uploaded File:2010-03-14-sbarjatiya.in.zone.txt (Sample zone file for sbarjatiya.in zone. The actual name servers for this zone are rediff hosting NS servers. The zone is created to avoid lookups of sbarjatiya.in from rediff servers. Ideally the zone should be of type slave and not master. We then us...)
- 04:37, 7 November 2012 Saurabh talk contribs uploaded File:2010-03-14-named.conf.txt ((Talk | contribs | block) Properly documented named.conf file with two zones sbarjatiya.in and leet.co.in. The logs of most categories are sent to different channels and basic views are used to distinguish between localhost and others. The parameters l...)
- 03:16, 7 November 2012 Saurabh talk contribs uploaded File:Rsyslog asa-2009-10-14.txt (Sample logwatch processing script. This script filters lines containing word ASA in them and sends that as part of ASA service log report. Since there are too many ICMP access denied messages, they are not being included in regular log report. )
- 03:15, 7 November 2012 Saurabh talk contribs uploaded File:Rsyslog asa.conf-2009-10-14.txt (Sample configuration file for service named asa. This file can be kept in `/etc/logwatch/conf/services' folder with name `asa.conf'. The file just tells that service asa logs its messages in /var/log/messages which belongs to loggroup messages. )