User contributions for Saurabh
From Notes_Wiki
- 08:17, 12 April 2023 diff hist +1,288 N Event log error - The specified channel could not be found. Check channel configuration (15007) Created page with "Home > Windows > Microsoft Exchange Server > Event log error - The specified channel could not be found. Check channel configuration (15007) It is possible then on Exchange Server event log export does not works and throws error: <pre> The specified channel could not be found. Check channel configuration (15007) </pre> especially for "Microsoft Exchange with Database Availability Group Events" To solve the issue use following steps: # Note do..." current
- 08:17, 12 April 2023 diff hist +235 N Microsoft Exchange Server Created page with "Home > Windows > Microsoft Exchange Server *Event log error - The specified channel could not be found. Check channel configuration (15007) Home > Windows > Microsoft Exchange Server"
- 08:03, 12 April 2023 diff hist +188 m Rocky 8.x Desktop tools or applications
- 08:03, 12 April 2023 diff hist +1,205 N Rocky 8.x Gnome keyboard shortcuts Created page with "Home > Rocky Linux or CentOS > Rocky Linux 8.x > Desktop tools or applications > Gnome keyboard shortcuts ; Switching display options : If we want to switch between mirrored screen to display only going to first monitor to display going only to second monitor etc. we can use "Super + P" or "Windows + P". Refer https://askubuntu.com/questions/1056683/how-can-i-switch..." current
- 07:59, 12 April 2023 diff hist −41 m Rocky 8.x System Administration
- 07:58, 12 April 2023 diff hist +39 m Rocky 8.x System Administration
- 07:52, 12 April 2023 diff hist +68 m File transfer using public links current
- 10:30, 28 February 2023 diff hist +937 N Ubuntu HPC Execute parallel jobs Created page with "Home > Ubuntu > HPC setup with openpbs and openmpi > Execute parallel jobs #Login as user1 # Create '<tt>~/load.sh</tt>' file with the below information <source type="shell"> #! /bin/bash #PBS -N stressjob #PBS -q testq1 #PBS -V #PBS -l nodes=3 module load mpi/mpi-4.1.1 mpirun -host node1,node2,node3 -n 3 /usr/bin/stress --cpu 2 --vm 5 --vm-bytes 1G --timeout 60s </sour..." current
- 10:26, 28 February 2023 diff hist +274 m Ubuntu HPC master and compute node network setup current
- 10:20, 28 February 2023 diff hist +1,228 N Ubuntu HPC Configure PBS job scheduler Created page with "Home > Ubuntu > HPC setup with openpbs and openmpi > Configure PBS job scheduler #Login to master node via root. Add nodes to PBS. #:<pre> #:: qmgr #Further on Qmgr: prompt use below #:: #:: create node <node1> #:: create node <node2> #:</pre> #: This should be done for all compute nodes #Check PBS information. All three nodes should be visible #:<pre> #:: pbsno..."
- 10:16, 28 February 2023 diff hist +1,213 N Ubuntu HPC Setup PBS execution on compute nodes Created page with "Home > Ubuntu > HPC setup with openpbs and openmpi > Setup PBS execution on compute nodes To setup PBS execution on all compute nodes #Install pbs execution Debian package on all compute nodes using: #:<pre> #:: cd /export/apps/temp/openpbs_20.0.1.ubuntu_1804/ #:: dpkg -i openpbs-execution_20.0.1-1_amd64.deb #:</pre> #Configure master hostname in '<tt>/etc..." current
- 10:14, 28 February 2023 diff hist −4 m Ubuntu HPC NIS client setup on compute nodes current
- 10:04, 28 February 2023 diff hist +313 m Ubuntu HPC Setup PBS master on master node current
- 10:00, 28 February 2023 diff hist +1,245 m Ubuntu HPC Setup PBS master on master node
- 09:13, 27 February 2023 diff hist +395 N Ubuntu HPC Setup PBS master on master node Created page with "Home > Ubuntu > HPC setup with openpbs and openmpi > Setup PBS master on master node Home > Ubuntu > HPC setup with openpbs and openmpi > Setup PBS master on master node"
- 05:02, 27 February 2023 diff hist +3 m Ubuntu HPC Install and Configure Modules current
- 05:01, 27 February 2023 diff hist +1,664 N Ubuntu HPC Install and Configure Modules Created page with "Home > Ubuntu > HPC setup with openpbs and openmpi > Install and Configure Modules #Create directory for modules path in master node share path #:<pre> #:: mkdir -p /export/modules/ #:</pre> #Configure mpi module file in master node ##Create directory for mpi ##:<pre> ##:: mkdir -p /export/modules/mpi ##:: cd /export/modules/mpi ##:</pre> ## Create mpi-4.1.1 modu..."
- 04:44, 27 February 2023 diff hist +245 m Ubuntu HPC Common setup of all HPC nodes
- 04:37, 27 February 2023 diff hist +94 m Ubuntu HPC Common setup of all HPC nodes
- 04:35, 27 February 2023 diff hist +2,694 N Ubuntu HPC Install Openmpi from master node Created page with "Home > Ubuntu > HPC setup with openpbs and openmpi > Install Openmpi from master node We can install OpenMPI using source code by using: #Create temporary directory for compilation of sources. Download openmpi tar ball and extract sources in temporary compilation folder. #:<pre> #:: mkdir -p /export/apps/temp #:: cd /export/apps/temp #:: wget https://www.open..."
- 03:58, 27 February 2023 diff hist +167 m Ubuntu HPC setup with openpbs and openmpi
- 03:57, 27 February 2023 diff hist +105 m CentOS 7.x Rocks cluster 7.0 current
- 05:05, 25 February 2023 diff hist +2,112 m Ubuntu HPC NFS client on compute nodes current
- 04:47, 25 February 2023 diff hist +222 m Rocky 8.x System Administration
- 04:46, 25 February 2023 diff hist +1,328 N Rocky 8.x Finding DHCP offer and options without changing actual interface settings Created page with "Home > Rocky Linux or CentOS > Rocky Linux 8.x > System Administration > Finding DHCP offer and options without changing actual interface settings It is possible to make DHCP request on an interface without changing any settings. This way we can find out what IP and other options such as DNS, lease-time etc. DHCP server provi..." current
- 07:44, 24 February 2023 diff hist −5 m Ubuntu HPC NIS server setup on master node
- 07:43, 24 February 2023 diff hist −4 m Ubuntu HPC NIS client setup on compute nodes
- 07:43, 24 February 2023 diff hist +131 m Ubuntu HPC NIS server setup on master node
- 06:42, 24 February 2023 diff hist +136 m CentOS 9.x Configure basic NFSv4 server for sharing folders between two machines current
- 06:13, 24 February 2023 diff hist +305 m Install Nvidia graphics card driver on Ubuntu along with cuda libraries current
- 06:10, 24 February 2023 diff hist +185 m CentOS 7.x Install nvidia drivers and cuda library current
- 05:57, 24 February 2023 diff hist +234 m CentOS 7.x Install nvidia drivers and cuda library
- 05:47, 23 February 2023 diff hist +1,334 N Ubuntu HPC NIS client setup on compute nodes Created page with "Home > Ubuntu > HPC setup with openpbs and openmpi > NIS client setup on compute nodes #Install NIS packages #:<pre> #:: apt -y install nis nscd #:</pre> #: During installation mention correct NIS domain as setup on master node. #Add below line in '<tt>/etc/yp.conf</tt>' file #:<pre> #:: domain <private-domain> server master #:</pre> #Add nis based re..."
- 05:33, 23 February 2023 diff hist +17 m Ubuntu HPC NIS server setup on master node
- 05:26, 23 February 2023 diff hist +1,560 N Ubuntu HPC NIS server setup on master node Created page with "Home > Ubuntu > HPC setup with openpbs and openmpi > NIS server setup on master node #Install NIS packages and give nis domain name #:<pre> #:: apt -y install nis nscd #:</pre> #: During installation enter private domain name for NIS #Configure this server as NIS master server by editing '<tt>/etc/default/nis</tt>' and updating below two parameter values: #:<pr..."
- 04:53, 23 February 2023 diff hist +23 m Ubuntu HPC NTP server setup on master node current
- 04:53, 23 February 2023 diff hist +23 m Ubuntu HPC NTP client setup on compute nodes current
- 04:32, 23 February 2023 diff hist +1,022 N Ubuntu HPC NTP client setup on compute nodes Created page with "Home > Ubuntu > HPC setup with openpbs and openmpi > NTP client setup on compute nodes To configure client nodes to take their time update from master use: #Install ntp package #:<pre> #:: apt install -y ntp ntpdate #:</pre> #Edit '<tt>/etc/ntp.conf</tt>' file and '''keep only master server''' as follows: #:<pre> #:: server master prefer iburst #:</pre> # Se..."
- 04:30, 23 February 2023 diff hist +85 Ubuntu HPC NTP server setup on master node
- 04:30, 23 February 2023 diff hist +146 m Ubuntu HPC NTP server setup on master node
- 04:26, 23 February 2023 diff hist +54 m Ubuntu HPC DNS setup on master node current
- 04:26, 23 February 2023 diff hist +955 N Ubuntu HPC NTP server setup on master node Created page with "Home > Ubuntu > HPC setup with openpbs and openmpi > NTP server setup on master node #Install ntp package #:<pre> #:: apt install -y ntp ntpdate #:</pre> #Edit '<tt>/etc/ntp.conf</tt>' file and append time.google.com server as follows: #:<pre> #:: server time.google.com #:</pre> # Set correct time on current system using: #:<pre> #:: ntpdate -b time.google.com..."
- 04:09, 23 February 2023 diff hist +123 m Ubuntu HPC NFS client on compute nodes
- 04:09, 23 February 2023 diff hist +97 m Ubuntu HPC NFS server setup on master node current
- 04:07, 23 February 2023 diff hist +158 m Ubuntu HPC NFS server setup on master node
- 04:04, 23 February 2023 diff hist +101 m Ubuntu HPC DNS setup on compute node current
- 04:02, 23 February 2023 diff hist +1 m Ubuntu HPC DNS setup on master node
- 04:00, 23 February 2023 diff hist +97 m Ubuntu HPC DNS setup on master node
- 03:38, 23 February 2023 diff hist +63 m Ubuntu Server or Desktop administration
- 03:38, 23 February 2023 diff hist +873 N Ubuntu 20.04 Execute command at system boot using crontab Created page with "Home > Ubuntu > Server or Desktop administration > Ubuntu 20.04 Execute command at system boot using crontab In case of Ubuntu 20.04 if we need to execute any command after system boot (the way used to happen via /etc/rc.d/rc.local long back), we can do the same via cron using: # Type below to open cron editing for current user (eg root) #:<pre> #:: crontab -e #:</pre> # In the cron file enter command to..." current