User contributions for Saurabh
From Notes_Wiki
- 15:21, 16 May 2022 diff hist +1,125 N 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..." current
- 15:18, 16 May 2022 diff hist +33 m VMWare VSAN
- 15:18, 16 May 2022 diff hist +57 m VMWare vSphere or ESXi
- 15:05, 16 May 2022 diff hist +184 m CentOS 8.x Control Web panel Initial configuration
- 17:59, 15 May 2022 diff hist 0 m CentOS 8.x Control Web panel
- 17:58, 15 May 2022 diff hist +2,031 N 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..." current
- 17:54, 15 May 2022 diff hist +5,648 N 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..." current
- 17:48, 15 May 2022 diff hist +3,557 N 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..."
- 17:44, 15 May 2022 diff hist +72 m CentOS 8.x Control Web panel Installation on linode
- 17:43, 15 May 2022 diff hist +1,445 N 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 diff hist +402 N 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"
- 17:39, 15 May 2022 diff hist +34 m CentOS 8.x email servers
- 17:36, 15 May 2022 diff hist −25 m CentOS 8.x web servers current
- 17:36, 15 May 2022 diff hist −15 m CentOS 8.x apache web server
- 17:36, 15 May 2022 diff hist +41 m CentOS 8.x apache troubleshooting
- 17:35, 15 May 2022 diff hist −25 m CentOS 8.x DHCP server current
- 17:35, 15 May 2022 diff hist −5 m CentOS 8.x Setup basic DHCP server current
- 17:34, 15 May 2022 diff hist −37 m CentOS 8.x Distributed Filesystems current
- 17:34, 15 May 2022 diff hist −19 m CentOS 8.x Glusterfs current
- 17:34, 15 May 2022 diff hist +193 m CentOS 8.x Glusterfs basic setup of distributed volume current
- 17:33, 15 May 2022 diff hist −21 m CentOS 8.x Moosefs 3.x current
- 17:33, 15 May 2022 diff hist +99 m CentOS 8.x Moosefs 3.x Initial setup current
- 17:32, 15 May 2022 diff hist −19 m CentOS 8.x iSCSI current
- 17:32, 15 May 2022 diff hist −209 m CentOS 8.x iSCSI target server setup current
- 17:29, 15 May 2022 diff hist −25 m CentOS 8.x ntp servers current
- 17:29, 15 May 2022 diff hist −14 m CentOS 8.x chronyc ntp client configuration current
- 17:28, 15 May 2022 diff hist −30 m CentOS 8.x database servers current
- 17:28, 15 May 2022 diff hist −10 m CentOS 8.x mariadb
- 17:28, 15 May 2022 diff hist +76 m CentOs 8.x mariadb monitoring current
- 17:28, 15 May 2022 diff hist −1 m CentOS 8.x mariadb taking backup of large production databases current
- 17:26, 15 May 2022 diff hist −36 m CentOS 8.x authentication servers current
- 17:26, 15 May 2022 diff hist −14 m CentOS 8.x 389DS current
- 17:26, 15 May 2022 diff hist +66 m CentOS 8.x Connect to 389DS with Apache Directory Studio current
- 17:26, 15 May 2022 diff hist +79 m CentOS 8.x Migrate OpenLDAP ldif to 389-DS current
- 17:25, 15 May 2022 diff hist +86 m CentOS 8.x 389DS basic installation current
- 17:25, 15 May 2022 diff hist −16 m CentOS 8.x FreeIPA current
- 17:24, 15 May 2022 diff hist +87 m CentOS 8.x freeipa basic setup current
- 17:24, 15 May 2022 diff hist +181 m CentOS 8.x Freeipa migration from openldap to freeipa current
- 17:23, 15 May 2022 diff hist −24 m CentOS 8.x monitoring
- 17:23, 15 May 2022 diff hist −3 m CentOS 8.x Zabbix
- 17:23, 15 May 2022 diff hist +158 m CentOS 8.x Zabbix add hosts
- 17:23, 15 May 2022 diff hist +32 m CentOS 8.x Zabbix add network switches for SNMP based monitoring
- 17:22, 15 May 2022 diff hist +65 m CentOS 8.x Zabbix installation
- 17:21, 15 May 2022 diff hist −27 m CentOS 8.x remote access
- 17:21, 15 May 2022 diff hist −7 m CentOS 8.x anydesk current
- 17:21, 15 May 2022 diff hist +29 m CentOS 8.x OS auto-login with anydesk auto-startup for seamless remote current
- 17:20, 15 May 2022 diff hist +163 m CentOS 8.x Install anydesk current
- 17:19, 15 May 2022 diff hist −9 m CentOS 8.x nomachine
- 17:19, 15 May 2022 diff hist +232 m CentOS 8.x Install nomachine current
- 17:18, 15 May 2022 diff hist +176 m CentOS 8.x nomachine enable clipboard current
- 17:16, 15 May 2022 diff hist −26 m CentOS 8.x file sharing current
- 17:16, 15 May 2022 diff hist +255 m CentOS 8.x Owncloud
- 17:14, 15 May 2022 diff hist −34 m CentOS 8.x vsftpd current
- 17:13, 15 May 2022 diff hist +5 m CentOS 8.x clamav current
- 17:12, 15 May 2022 diff hist −5 m CentOS 8.x AIDE current
- 17:12, 15 May 2022 diff hist +70 m CentOS 8.x Basic AIDE setup and usage current
- 17:11, 15 May 2022 diff hist −30 m CentOS 8.x networking tools current
- 17:11, 15 May 2022 diff hist −17 m CentOS 8.x openvpn client current
- 17:11, 15 May 2022 diff hist +48 m CentOS 8.x openvpn client troubleshooting current
- 17:10, 15 May 2022 diff hist −26 m CentOS 8.x Backup tools current
- 17:09, 15 May 2022 diff hist −5 m CentOS 8.x rclone current
- 17:09, 15 May 2022 diff hist +66 m CentOS 8.x rclone for syncing documents to google drive
- 17:08, 15 May 2022 diff hist −4 m CentOS 8.x rsync
- 17:08, 15 May 2022 diff hist +155 m CentOS 8.x Copying or backup of documents using rsync current
- 11:44, 15 May 2022 diff hist +470 m Rsnapshot
- 08:57, 15 May 2022 diff hist +923 N 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..." current
- 08:56, 15 May 2022 diff hist −153 m CentOS 8.x Systemd based reverse ssh tunnel service
- 08:54, 15 May 2022 diff hist +57 m CentOS 8.x mediawiki current
- 08:52, 15 May 2022 diff hist +6,018 N 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..."
- 08:05, 15 May 2022 diff hist +97 m CentOS 7.x Systemd based reverse SSH service
- 08:02, 15 May 2022 diff hist +29 m CentOS 8.x Security tools current
- 17:26, 13 May 2022 diff hist +1,229 N 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..." current
- 17:22, 13 May 2022 diff hist +50 m VMWare vSphere or ESXi
- 14:44, 13 May 2022 diff hist +124 m OpenSuse Leap 15 Rescan disks current
- 14:40, 13 May 2022 diff hist +402 N 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"
- 14:39, 13 May 2022 diff hist +49 m Switch configuration notes
- 14:38, 13 May 2022 diff hist +138 m CentOS 8.x Configure barjatiyarklp after OS installation overwriting existing root partition
- 14:36, 13 May 2022 diff hist +177 m CentOS 8.x Configure rekallcm1 (high-end desktop) with software raid, lxc, kvm and other utilities →Re-add various older VMs current
- 14:33, 13 May 2022 diff hist +103 m Create template of nested ESXi for cloning and repeat use current
- 14:14, 13 May 2022 diff hist +1,629 N 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..." current
- 14:06, 13 May 2022 diff hist +61 m Switch configuration notes
- 13:59, 13 May 2022 diff hist +5,532 N 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..."
- 13:57, 13 May 2022 diff hist +61 m CentOS 8.x File system management
- 13:54, 13 May 2022 diff hist +281 m Create standard port-group for trunking all VLANs to VM current
- 13:37, 13 May 2022 diff hist +1,954 m Build VxRail 7.0
- 13:19, 13 May 2022 diff hist +164 m Production deployment for vCF 4.3.1.0
- 12:08, 13 May 2022 diff hist +743 m Production deployment for vCF 4.3.1.0
- 11:45, 11 May 2022 diff hist +579 m Build VxRail 7.0
- 10:13, 11 May 2022 diff hist +218 m CentOS 7.x Rocks cluster 7.0 Update master and all compute nodes
- 10:07, 11 May 2022 diff hist +396 m CentOS 7.x Rocks cluster 7.0 Update master and all compute nodes
- 09:58, 11 May 2022 diff hist +1,295 N 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..."
- 09:22, 11 May 2022 diff hist +70 m CentOS 7.x Rocks cluster 7.0
- 08:34, 11 May 2022 diff hist +32 m CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role current
- 08:34, 11 May 2022 diff hist +6 m CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role
- 08:33, 11 May 2022 diff hist +3 m CentOS 7.x Rocks cluster 7.0
- 08:33, 11 May 2022 diff hist +70 N CentOS 7.x Rocks cluster 7.0 Sun Grid Engine sge role Saurabh 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 current Tag: New redirect
- 08:33, 11 May 2022 diff hist 0 m CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role Saurabh 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
- 08:33, 11 May 2022 diff hist +87 m CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role
- 08:31, 11 May 2022 diff hist +825 m CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role
- 08:02, 11 May 2022 diff hist +1,866 N CentOS 7.x Rocks cluster 7.0 Son of 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..."
- 07:52, 11 May 2022 diff hist +1,861 m CentOS 7.x Rocks cluster 7.0 Reinstall OS on compute node current
- 07:18, 11 May 2022 diff hist +59 CentOS 7.x Rocks cluster 7.0
- 07:15, 11 May 2022 diff hist −21 m CentOS 7.x Rocks cluster 7.0 Compute node network configuration current
- 07:14, 11 May 2022 diff hist +63 m CentOS 7.x Rocks cluster 7.0
- 07:14, 11 May 2022 diff hist −2,087 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 07:14, 11 May 2022 diff hist +2,335 N 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 diff hist +845 N 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..."
- 07:09, 11 May 2022 diff hist +69 m CentOS 7.x Rocks cluster 7.0
- 07:07, 11 May 2022 diff hist +181 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 07:05, 11 May 2022 diff hist +129 m CentOS 7.x Rocks cluster 7.0 Install rpm package in compute nodes current
- 07:04, 11 May 2022 diff hist +1,487 N 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..." current
- 06:50, 11 May 2022 diff hist +77 m CentOS 7.x Rocks cluster 7.0
- 06:49, 11 May 2022 diff hist +292 m CentOS 7.x Rocks cluster 7.0 Install rpm package in compute nodes
- 06:42, 11 May 2022 diff hist +2,350 N 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..."
- 06:34, 11 May 2022 diff hist +71 m CentOS 7.x Rocks cluster 7.0
- 06:00, 11 May 2022 diff hist +185 m Build VxRail 7.0
- 16:54, 10 May 2022 diff hist +579 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 16:48, 10 May 2022 diff hist +129 m CentOS 7.x Rocks cluster 7.0 Introduction
- 16:42, 10 May 2022 diff hist +428 m CentOS 7.x Rocks cluster 7.0 Introduction
- 16:34, 10 May 2022 diff hist +215 m CentOS 7.x Rocks cluster 7.0 Introduction
- 16:32, 10 May 2022 diff hist +1,451 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 16:15, 10 May 2022 diff hist +83 m CentOS 7.x Rocks cluster 7.0 Troubleshooting current
- 16:15, 10 May 2022 diff hist +851 N 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..."
- 16:11, 10 May 2022 diff hist +50 m CentOS 7.x Rocks cluster 7.0
- 16:00, 10 May 2022 diff hist +334 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 15:52, 10 May 2022 diff hist +503 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 14:12, 10 May 2022 diff hist +926 m CentOS 7.x Rocks cluster 7.0 Build master server
- 14:08, 10 May 2022 diff hist −414 m CentOS 7.x Rocks cluster 7.0 Build master server
- 13:06, 10 May 2022 diff hist +104 m CentOS 7.x Rocks cluster 7.0 Introduction
- 12:56, 10 May 2022 diff hist +165 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 12:55, 10 May 2022 diff hist +193 m CentOS 7.x Rocks cluster 7.0 Build master server
- 12:52, 10 May 2022 diff hist +207 m CentOS 7.x Rocks cluster 7.0 Build master server
- 12:50, 10 May 2022 diff hist +82 m CentOS 7.x Rocks cluster 7.0 Build master server
- 12:46, 10 May 2022 diff hist +1,822 N 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 diff hist +2,828 N 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 diff hist +2,784 N 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 #::..." current
- 12:21, 10 May 2022 diff hist +1 m CentOS 7.x Rocks cluster 7.0 Introduction
- 12:21, 10 May 2022 diff hist +149 m CentOS 7.x Rocks cluster 7.0 Introduction
- 12:20, 10 May 2022 diff hist +2,938 N 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 diff hist +293 N 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"
- 12:09, 10 May 2022 diff hist +4 m CentOS 7.x current
- 12:01, 10 May 2022 diff hist +15 m CentOS 7.x
- 11:57, 10 May 2022 diff hist +1,504 N 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>..." current
- 11:54, 10 May 2022 diff hist +99 N Windows Server 2019 Created page with "Home > Windows > Windows Server 2019 *Windows Server 2019 password reset"
- 11:54, 10 May 2022 diff hist +25 m Windows
- 06:18, 10 May 2022 diff hist +256 m Trunking incoming VLANs on uplink port to all other ports
- 06:17, 10 May 2022 diff hist +60 m Build VxRail 7.0
- 06:16, 10 May 2022 diff hist +10,983 N 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..."
- 05:06, 10 May 2022 diff hist +22 m VxRail
- 06:24, 1 May 2022 diff hist +444 m CentOS 7.x remote desktop or freerdp
- 02:33, 30 April 2022 diff hist +1,489 m CentOS 8.x migrate CentOS 7.x postfix, dovecot, squirrelmail server
- 04:26, 23 April 2022 diff hist −13 m CentOS 8.x Desktop tools or applications current
- 04:26, 23 April 2022 diff hist +15 m CentOS 8.x Firefox
- 04:26, 23 April 2022 diff hist +330 m CentOS 8.x Firefox See HTTP headers in Firefox current
- 04:25, 23 April 2022 diff hist +298 m CentOS 8.x Firefox java plugin current
- 04:25, 23 April 2022 diff hist +311 m CentOS 8.x Firefox Responsive design mode current
- 04:23, 23 April 2022 diff hist +39 m CentOS 8.x Owncloud
- 04:23, 23 April 2022 diff hist −93 m CentOS 8.x Owncloud single user receives access forbidden while using desktop sync client current
- 04:23, 23 April 2022 diff hist +377 m CentOS 8.x Owncloud single user receives access forbidden while using desktop sync client
- 04:23, 23 April 2022 diff hist +145 m CentOS 8.x Owncloud self signed certificate with bitnami for Windows webdav mount current
- 04:22, 23 April 2022 diff hist +203 m CentOS 8.x Owncloud AD integration current
- 04:22, 23 April 2022 diff hist +206 m CentOS 8.x Owncloud direct DB queries
- 04:21, 23 April 2022 diff hist +305 m CentOS 8.x Owncloud email settings current
- 04:21, 23 April 2022 diff hist +234 m CentOS 8.x Owncloud changing datadirectory for a new installation
- 04:20, 23 April 2022 diff hist +62 m CentOS 8.x Owncloud linux desktop client current
- 04:19, 23 April 2022 diff hist +254 m CentOS 8.x Useful keyboard shortcuts current
- 04:18, 23 April 2022 diff hist +15 m CentOS 8.x Gnome configuration current
- 04:18, 23 April 2022 diff hist +297 m CentOS 8.x gnome prevent grouping of similar windows with alt-tab current
- 04:18, 23 April 2022 diff hist +90 m CentOS 8.x gnome-control-center current
- 04:17, 23 April 2022 diff hist +152 m CentOS 8.x gnome change default gdm from wayland to X11 current
- 04:16, 23 April 2022 diff hist +188 m CentOS 8.x zip command current
- 04:16, 23 April 2022 diff hist +53 m CentOS 8.x cinelerra current
- 04:15, 23 April 2022 diff hist +204 m CentOS 8.x simplescreenrecorder current
- 04:15, 23 April 2022 diff hist +15 m CentOS 8.x Thunderbird current
- 04:14, 23 April 2022 diff hist +279 m CentOS 8.x Thunderbird calendar invitation response email address current
- 04:14, 23 April 2022 diff hist +157 m CentOS 8.x Thunderbird enable global search and index and rebuild database current
- 04:13, 23 April 2022 diff hist +176 m CentOS 8.x iperf3 current
- 04:13, 23 April 2022 diff hist +15 m CentOS 8.x chrome current
- 04:08, 23 April 2022 diff hist +353 m CentOS 8.x chrome enable screen-sharing with wayland current
- 03:54, 23 April 2022 diff hist −13 m CentOS 8.x virtualization current
- 03:54, 23 April 2022 diff hist +15 m CentOS 8.x KVM current
- 03:53, 23 April 2022 diff hist +196 m CentOS 8.x KVM Creating Windows VMs with fast disk input output (io) current
- 03:51, 23 April 2022 diff hist +15 m CentOS 8.x podman
- 03:51, 23 April 2022 diff hist +152 m CentOS 8.x install podman current
- 03:50, 23 April 2022 diff hist +175 m CentOS 8.x create and use containers with podman current
- 03:50, 23 April 2022 diff hist +169 m CentOS 8.x networking of podman containers current
- 03:49, 23 April 2022 diff hist +162 m CentOS 8.x working with podman pods current
- 03:49, 23 April 2022 diff hist +180 m CentOS 8.x setup applications using podman containers current
- 03:15, 23 April 2022 diff hist +43 m CentOS 8.x lxc current
- 03:15, 23 April 2022 diff hist +141 m CentOS 8.x install lxc current
- 03:15, 23 April 2022 diff hist +58 m CentOS 8.x lxc troubleshooting current
- 03:14, 23 April 2022 diff hist +134 m CentOS 8.x Unable to fetch GPG key from keyserver issue current
- 03:08, 23 April 2022 diff hist +356 m CentOS 8.x Cloudstack 4.15 current
- 03:06, 23 April 2022 diff hist +170 m CentOS 8.x Cloudstack 4.15 Setup NFS server current
- 03:06, 23 April 2022 diff hist +185 m CentOS 8.x Cloudstack 4.15 Initialize infrastructure server current
- 03:05, 23 April 2022 diff hist +174 m CentOS 8.x Cloudstack 4.15 Setup Mariadb server current
- 03:05, 23 April 2022 diff hist +177 m CentOS 8.x Cloudstack 4.15 Setup Management server current
- 03:04, 23 April 2022 diff hist +175 m CentOS 8.x Cloudstack 4.15 Setup primary storage current
- 03:04, 23 April 2022 diff hist +168 m CentOS 8.x Cloudstack 4.15 Setup KVM host current
- 03:03, 23 April 2022 diff hist +183 m CentOS 8.x Cloudstack 4.15 Initial zone setup with VLANs current
- 03:02, 23 April 2022 diff hist +179 m CentOS 8.x Cloudstack 4.15 Re-add existing cloudstack KVM host to cloudstack manager current
- 03:02, 23 April 2022 diff hist +127 m CentOS 8.x Cloudstack 4.15 Troubleshooting current
- 03:01, 23 April 2022 diff hist +168 m CentOS 8.x Cloudstack 4.15 AD integration current
- 03:00, 23 April 2022 diff hist +164 m CentOS 8.x Cloudstack 4.15 Networking current
- 03:00, 23 April 2022 diff hist +138 m CentOS 8.x Cloudstack 4.15 HA configuration current
- 02:59, 23 April 2022 diff hist +141 m CentOS 8.x Cloudstack 4.15 HTTPS configuration current
- 02:59, 23 April 2022 diff hist +112 m CentOS 8.x Cloudstack 4.15 Storage tags current
- 02:53, 23 April 2022 diff hist +907 m Build VxRail 4.7
- 13:35, 21 April 2022 diff hist +71 m CentOS 8.x System Administration current
- 13:35, 21 April 2022 diff hist +106 m CentOS 8.x IPv6: MLD: clamping QRV from 1 to 2! messages in syslog current
- 13:34, 21 April 2022 diff hist +786 N 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..."
- 13:29, 21 April 2022 diff hist +789 m Build VxRail 4.7
- 12:47, 19 April 2022 diff hist +3,996 N 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..."
- 10:16, 19 April 2022 diff hist +177 m Upgrading firwmare on S4100 series Dell switches with OS 10
- 09:28, 19 April 2022 diff hist +12 m VCloud Foundation
- 09:27, 19 April 2022 diff hist +31 m VCloud Foundation
- 07:45, 19 April 2022 diff hist +1,656 m Configure VLT between two Dell S4128T-on or S4128F-on switches
- 07:22, 19 April 2022 diff hist +2,305 N 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..." current
- 07:00, 19 April 2022 diff hist +57 m Switch configuration notes
- 07:00, 19 April 2022 diff hist +2,749 N 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-..."
- 06:15, 19 April 2022 diff hist +64 m Switch configuration notes
- 06:13, 19 April 2022 diff hist −26 m Configure new HP 2530 switch current
- 06:12, 19 April 2022 diff hist −40 m HP cli basics
- 06:12, 19 April 2022 diff hist +83 m Enable http interface on HP5100 series switches current
- 06:12, 19 April 2022 diff hist +6 m HP A5500 switch password reset and finding IP through console current
- 06:11, 19 April 2022 diff hist −124 m Configure stacking on Aruba 2930F switches current
- 06:11, 19 April 2022 diff hist −139 m Configure lacp or port-channel on Aruba switches (Trunk) current
- 06:10, 19 April 2022 diff hist +78 m Configuring Dell N4032 switch in stack mode current
- 06:10, 19 April 2022 diff hist −29 m Upgrade OS or firmware in Dell N4032 switch current
- 06:10, 19 April 2022 diff hist +66 m Dell 4820T or S3100 hybrid ports current
- 06:09, 19 April 2022 diff hist −145 m Configure VLT between two Dell S4128T-on or S4128F-on switches
- 06:09, 19 April 2022 diff hist −151 m Configuring port mirroring or monitor session on Dell OS 10 switches current
- 06:08, 19 April 2022 diff hist −17 m Reset enable password on cisco router current
- 06:08, 19 April 2022 diff hist +22 m Cisco CSR V1000 virtual router current
- 06:00, 19 April 2022 diff hist −163 m Configure Cisco router outgoing PAT or overload NAT for users to access Internet current
- 05:59, 19 April 2022 diff hist −120 m Configure DHCP server on Cisco router current
- 05:58, 19 April 2022 diff hist −118 m Configure basic BGP on Cisco router current
- 05:58, 19 April 2022 diff hist −118 m Reset configuration of Cisco router current
- 05:58, 19 April 2022 diff hist −7 m Configuring Cisco MDS 9124 fiber switch for SAN current
- 05:57, 19 April 2022 diff hist −16 m Resetting password for MDS 9124 switch current
- 05:57, 19 April 2022 diff hist +15 m Configuring Cisco MDS 9148S 16G 48 FC SAN switch with multipath for HA current
- 05:57, 19 April 2022 diff hist +64 m Upgrade OS on Cisco SAN switch current
- 05:56, 19 April 2022 diff hist +70 m Upgrade license on Cisco SAN switch current
- 05:56, 19 April 2022 diff hist +84 m Brocade storage switch management IP configuration current
- 05:55, 19 April 2022 diff hist −12 m Configuring brocade switch for SAN zoning current
- 05:55, 19 April 2022 diff hist +89 m Configure Brocade storage switch to send logs to syslog current
- 05:17, 19 April 2022 diff hist +88 m Troubleshoot Brocade SAN switch disable on boot issue current
- 05:17, 19 April 2022 diff hist −29 m Connecting two SAN switches current
- 05:16, 19 April 2022 diff hist +106 m Convert ports from network to storage on Cisco UCS unified fabric switch current
- 05:16, 19 April 2022 diff hist +12 m Configure VLT and DCB across two Dell MXL 10/40GbE chassis switches current