Key Components for Setting Up an HPC Cluster
Head Node (Controller) • Manages job scheduling and resource allocation. • Runs Slurm Controller Daemon (`slurmctld`). Compute Nodes • Execute computational tasks. • Run Slurm Node Daemon (`slurmd`). • Configured for CPUs, GPUs, or specialized hardware. Networking • High-speed interconnect like Infiniband or Ethernet. • Ensures fast communication between nodes. Storage • Centralized storage like NFS, Lustre, or BeeGFS. • Provides shared file access for all nodes. Authentication • UseRead More …
How to configure Slurm Controller Node on Ubuntu 22.04
How to setup HPC-Slurm Controller Node
Refer to Key Components for HPC Cluster Setup; for which pieces you need to setup. This guide provides step-by-step instructions for setting up the Slurm controller daemon (`slurmctld`) on Ubuntu 22.04. It also includes common errors encountered during the setup process and how to resolve them. Step 1: Install Prerequisites To begin, install the required dependencies for Slurm and itsRead More …
How to renable the tempurl in latest Cpanel
. As some of you have noticed the new cpanel by default has a bunch of new default settings that nobody likes. FTPserver is not configured out of the box. TempURL is disabled for security reasons. Under certain conditions, a user can attack another user’s account if they access a malicious script through a mod_userdir URL. So they removed it by default.Read More …
How to integrate VROPS with Ansible
Automating VMware vRealize Operations (vROps) with Ansible In the world of IT operations, automation is the key to efficiency and consistency. VMware’s vRealize Operations (vROps) provides powerful monitoring and management capabilities for virtualized environments. Integrating vROps with Ansible, an open-source automation tool, can take your infrastructure management to the next level. In this blog post, we’ll explore how to achieveRead More …
How to Power Up or Power Down multiple instances in OCI using CLI with Ansible
• This assume you have already configured the OCI cli and added your key to the user inside the OCI interface so your Ubuntu or Jump box can connect to your OCI infrastructure • Ansible ◦ Role to control power up/down instances using the OCI CLI ◦ This assume you already have ansible setup ◦ You will need to install the ansible oci collections .Read More …
How to Deploy Another VPC in AWS with Scalable EC2’s for HA using Terraform
• This will configure a new VPC • Create a new subnet for use • Create a new security group with bunch rules • Create a key pair for your new instances • Allow you to scale your instances cleanly use the count attribute. So we are going to do this a bit different than the other post. As the other post is just deployingRead More …
How to deploy an EC2 instance in AWS with Terraform
. How to install terraform How to configure your aws cli How to steup your file structure How to deploy your instance You must have an AWS account already setup You have an existing VPC You have existing security groups Depending on which machine you like to use. I use varied distros for fun. For this we will use UbuntuRead More …
TightVNC Security Hole
Virtual Network Computing (VNC) is a graphical desktop-sharing system that uses the Remote Frame Buffer protocol (RFB) to remotely control another computer. It transmits the keyboard and mouse input from one computer to another, relaying the graphical-screen updates, over a network.[1] VNC servers work on a variety of platforms, allowing you to share screens and keyboards between Windows, Mac, Linux, and Raspberry Pi devices. RDP server is proprietary and onlyRead More …
How to Deploy VM’s in Hyper-V with Ansible
Thought it would be fun to do….. If you can find another public repo that has it working online. Please send me a message so I can kick myself. • This role will allow you to use a vhdx image to deploy vm’s in hyperv • It will use the vm name to create a sub-folder to place the new vm imageRead More …
