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(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)- 08:12, 10 June 2025 Akshay talk contribs created page Ubuntu HPC Slurm Resource Management Setup (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC Slurm Resource Management Setup = Slurm Resource Management Setup = For setting up accounting and database support, refer to: Ubuntu HPC Slurm DB setup for Slurm accounting This section outlines only the '''resource management''' setup in Slurm using accounts, QOS, partitions, and user-level resource limitations. == 1. Create and Register the Cluster == Run...")
- 07:19, 10 June 2025 Akshay talk contribs created page Ubuntu HPC Installing different versions of python (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC Installing different versions of python == Install Python from Source (Python 3.8.13) == Follow these steps to install Python 3.8.13 from source. This approach allows for installation in a custom directory without interfering with system Python. === 1. Prepare the Build Environment === Navigate to a temporary directory used for compiling source files: <pre> cd /ex...")
- 06:51, 10 June 2025 Akshay talk contribs created page Ubuntu HPC install and configure modules (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC install and configure modules Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC install and configure modules")
- 06:43, 10 June 2025 Akshay talk contribs created page Ubuntu HPC Slurm DB setup for Slurm accounting (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC Slurm DB setup for Slurm accounting = Slurm Accounting DB Server Configuration = This guide provides step-by-step instructions to configure a MariaDB server for Slurm accounting, including secure database setup, integration with `slurmdbd`, and verification of accounting functionality. == 1. Install MariaDB in LXC Container == On the '''infra node''', access the Sl...")
- 12:07, 6 June 2025 Akshay talk contribs created page Ubuntu HPC slurm daemon on compute node (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC slurm daemon on compute node = Slurmd Setup on compute Node = == Install the Required Packages == Install `slurmd` and `slurm-client` packages on the compute nodes: <pre> sudo apt install slurmd slurm-client </pre> '''Note:''' * slurm-client must be installed on '''all nodes''', including compute nodes, the login node (LXC), and the infra node. * slurmd should...")
- 12:06, 6 June 2025 Akshay talk contribs created page Ubuntu HPC slurm control daemon on master node (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC slurm control daemon on master node = Slurm Controller Daemon (slurmctld) Setup on slurm-master (LXC) = '''Note:''' To access the shell of any Linux container (e.g., slurm-master), run the following command from the infra node: <pre> lxc exec <container-name> bash </pre> Example: <pre> lxc exec slurm-master bash </pre> == 1. Install Required Packages == Ru...")
- 12:03, 6 June 2025 Akshay talk contribs created page Ubuntu HPC LDAP client setup on all compute nodes (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC LDAP client setup on all compute nodes = LDAP Client Setup on Ubuntu 22.04 = '''Note: This configuration must be performed on the following nodes: slurm-master (LXC), slurm-login (LXC), infra node, and both compute nodes.''' This section explains how to configure a system as an LDAP client to authenticate users from an external LDAP server (e.g., for Slurm clusters)...")
- 12:02, 6 June 2025 Akshay talk contribs created page Ubuntu HPC LDAP server setup on linux container (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC LDAP server setup on linux container = LDAP Server Setup on Ubuntu 22.04 linux container = This document provides step-by-step instructions to set up an OpenLDAP server on Ubuntu 22.04, along with configuring LDAPS (LDAP over SSL). == 1. Set the Hostname == <pre> sudo hostnamectl set-hostname slurm-ldapsrv.local shutdown -r now </pre> == 2. Edit /etc/hosts ==...")
- 12:01, 6 June 2025 Akshay talk contribs created page Ubuntu HPC NFS client setup on compute nodes (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC NFS client setup on compute nodes = Mounting NFS on Cluster Nodes = This section explains how to mount the shared /export directory on all compute nodes, login node, and the master node in a Slurm cluster. == 1. For Compute Nodes (Bare Metal or VMs) == === a. Install NFS Client Packages === <pre> apt install -y nfs-common </pre> === b. Create Mount Point === <pre>...")
- 12:00, 6 June 2025 Akshay talk contribs created page Ubuntu HPC NFS server setup on infra node (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC NFS server setup on infra node = NFS Configuration on Infra Node = This section describes how to create and share a directory using NFS for Slurm cluster clients. The shared folder will reside under /export, mounted from an LVM partition, and made accessible to all compute and service nodes via NFS. == 1. Create and Mount LVM Partition == : Create an ext4 LVM parti...")
- 11:58, 6 June 2025 Akshay talk contribs created page Ubuntu HPC linux Container Creation on Infra Node (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC linux Container Creation on Infra Node = LXD Container Setup for Slurm Controller = This section covers the steps to configure LXD containers for different roles in the Slurm cluster — including the Slurm controller, LDAP server, and login node. All these Linux containers will be created on top of the '''infra node''', which acts as the NFS server and central poin...")
- 11:57, 6 June 2025 Akshay talk contribs created page Ubuntu HPC common setup for all HPC nodes (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Ubuntu HPC common setup for all HPC nodes = Install Ubuntu 22.04 = : Install Ubuntu 22.04 Server on all nodes with most default values. : Create a non-root user (e.g., admin) during setup. == Login Using the Admin User == : Login to each node using the admin user. == Configure History Retention == : Enable storing date and time along with each command in history, as explain...")
- 10:46, 6 June 2025 Akshay talk contribs created page Install slurmd on client nodes (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Install slurmd on client nodes = Slurmd Setup on compute Node = == Install the Required Packages == Install `slurmd` and `slurm-client` packages on the compute nodes: <pre> sudo apt install slurmd slurm-client </pre> '''Note:''' * slurm-client must be installed on '''all nodes''', including compute nodes, the login node (LXC), and the infra node. * slurmd should be insta...")
- 09:08, 6 June 2025 Akshay talk contribs created page LDAP client setup on all compute nodes (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Install slurmctld on master node = LDAP Client Setup on Ubuntu 22.04 = '''Note: This configuration must be performed on the following nodes: slurm-master (LXC), slurm-login (LXC), infra node, and both compute nodes.''' This section explains how to configure a system as an LDAP client to authenticate users from an external LDAP server (e.g., for Slurm clusters). == 1. Install...")
- 08:55, 6 June 2025 Akshay talk contribs created page Install slurmctld on master node (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Install slurmctld on master node = LDAP Client Setup on Ubuntu 22.04 = '''Note: This configuration must be performed on the following nodes: slurm-master (LXC), slurm-login (LXC), infra node, and both compute nodes.''' This section explains how to configure a system as an LDAP client to authenticate users from an external LDAP server (e.g., for Slurm clusters). == 1. Install...")
- 08:42, 6 June 2025 Akshay talk contribs created page LDAP server setup on linux container (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > LDAP server setup on linux container = LDAP Server Setup on Ubuntu 22.04 linux container = This document provides step-by-step instructions to set up an OpenLDAP server on Ubuntu 22.04, along with configuring LDAPS (LDAP over SSL). == 1. Set the Hostname == <pre> sudo hostnamectl set-hostname ldap.example.com shutdown -r now </pre> == 2. Edit /etc/hosts == Add the LDAP s...")
- 07:52, 6 June 2025 Akshay talk contribs created page NFS client setup on compute nodes (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > NFS client setup on compute nodes = Mounting NFS on Cluster Nodes = This section explains how to mount the shared /export directory on all compute nodes, login node, and the master node in a Slurm cluster. == 1. For Compute Nodes (Bare Metal or VMs) == === a. Install NFS Client Packages === <pre> apt install -y nfs-common </pre> === b. Create Mount Point === <pre> mkdir /exp...")
- 07:06, 6 June 2025 Akshay talk contribs created page NFS server setup with linux containers (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > NFS server setup with linux containers Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > NFS server setup with linux containers")
- 06:33, 6 June 2025 Akshay talk contribs created page Linux container creation on infra node (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Linux container creation on infra node Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Linux container creation on infra node")
- 06:31, 6 June 2025 Akshay talk contribs created page Network setup on compute and master nodes (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Network setup on compute and master nodes Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Network setup on compute and master nodes")
- 06:25, 6 June 2025 Akshay talk contribs created page Common setup for all HPC nodes (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers > Common setup for all HPC nodes = 1. Install Ubuntu 22.04 = : Install Ubuntu 22.04 Server on all nodes with most default values. : Create a non-root user (e.g., admin) during setup. == 2. Login Using the Admin User == : Login to each node using the admin user. == 3. Configure History Retention == : Enable storing date and time along with each command in history, as explained...")
- 05:16, 6 June 2025 Akshay talk contribs created page Ubuntu HPC setup with slurm and linux containers (Created page with "Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers Home > Ubuntu > Ubuntu HPC setup with slurm and linux containers")
- 11:15, 12 May 2025 Akshay talk contribs created page CentOS 8.x Control Web panel Configure Email Disclaimer with Internal Domain Exclusion (Created page with "Home > CentOS > CentOS 8.x > Email servers > Control Web panel > CentOS 8.x Control Web panel Configure Email Disclaimer with Internal Domain Exclusion = Adding Email Disclaimer in Postfix with Internal Domain Exclusion = == Install altermime if not installed already == * For CentOS-based systems: <pre> sudo yum install altermime -y </pre> * For Debian/Ubuntu systems: <pre> sudo...")
- 08:12, 12 May 2025 Akshay talk contribs created page CentOS 8.x Control Web panel jQuery Version Upgrade Guide (Created page with "Home > CentOS > CentOS 8.x > Email servers > Control Web panel > CentOS 8.x Control Web panel jQuery Version Upgrade Guide This document explains how to upgrade the '''jQuery version in Control Web Panel (CWP)''' to mitigate known vulnerabilities, especially in: * Roundcube Webmail * CWP UI (Login Panel) == Upgrade jQuery in Webmail (/program/js/) == : This path is used by '''Roun...")
