Linux
Sudo for Beginners: Run Linux Commands with Elevated Privileges Safely
Not sure what sudo actually does or how to use it safely? This beginner-friendly guide breaks down sudo, the sudoers file, and how to control who can …
Open Source Summit India 2026: Tickets, Speakers, and Discount Code
Open Source Summit India 2026 is coming to Mumbai on 16–17 June. Linus Torvalds is on the keynote stage. Here's everything you need to know — …
Podman Commands Cheat Sheet: A Practical Guide for Container Management
A comprehensive Podman cheat sheet covering image management, container lifecycle, filesystem operations, and monitoring commands - with practical …
How to Configure SSH-Based Signed Commits in GitHub for the 'Verified' Badge
Stop being 'Unverified.' Learn how to use your existing SSH keys to digitally sign your Git commits and display the trusted green Verified badge on …
Best Ways to Set Up an Ansible Development Environment (Linux, Windows, macOS, and Windows WSL)
Learn the most practical ways to set up an Ansible development and testing environment using Linux, WSL, virtual machines, cloud labs, containers, and …
Book Review: Mastering the Red Hat Certified Engineer (RHCE) Exam
Luca Berton's Mastering the RHCE Exam is a comprehensive guide covering RHEL fundamentals, system administration, and Ansible automation. With …
Connecting remote worker nodes to self-managed Kubernetes cluster via Azure P2S VPN connection
Renjith RavindranathanJust recently, I was setting up Self-Managed K3s Kubernetes cluster on Azure VM, I had an requirement to include worker nodes from my home network...
Enable LVM flag on partition using parted in Linux
Gineesh Madapparambath- Infrastructre & Hardware, Enable LVM Flag on Partition Using Parted in Linux, Fdisk
Recently we have noticed some issue with one of our filesystem having issue and realized wrong flags on partition which was used as a Physical...
Upgrade HPE iLO from Linux Command Line
1. Download HPE iLO firmware files from HPE portal. Make sure you download the required version from here 2. Confirm downloaded packages are full …
Register in RHN after installation
There are many situations where we need to register the host/server to RHN server manually, due to network issues, bad certificate/authentication or …
How to Check Linux/Unix Operating System Version, Maintenance Level, Architecure
We can identify the Unix Operating System architecture by uname or arch command. Try below examples. Linux kernel version and hardware architecture # …
UNIX / Linux shutdown Commands
Shutdown the machine immediately # shutdown -h now Reboot the machine immediately # shutdown -r now Shutdown the machine with user defined message # …