Linux

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

Just 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...

Infrastructre & hardware

Enable LVM flag on partition using parted in Linux

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 …

Infrastructre & hardware

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 …

Infrastructre & hardware

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 # …