Linux administration

In this guide, we will see all the possible ways to find default gateway IP address in Linux and Unix from commandline.

This guide explains how to change user password in Linux and how to allow an user to change the password of certain other users via sudo.

In this guide we will see whats is Snapper, and how to create Btrfs filesystem snapshots with Snapper on openSUSE Linux.

This brief guide explains what is nested virtualization and how to enable nested virtualization in Proxmox VE.

This guide talks about Quickgui, a graphical frontend for Quickemu to easily create, run and manage virtual machines in Linux.

This guide explains what is Quickemu and how to create and run Linux, macOS and Windows desktop virtual machines with Quickemu in Linux.

This Docker tutorial covers the Docker basics, such as how to create a new container, run the container, remove a container, and build your own Docker image.

This guide explains how to install Docker Engine with Docker Compose in RHEL-based systems such as AlmaLinux, CentOS, and Rocky Linux.

This brief tutorial explains how to force users to use strong passwords using Pluggable…

This guide explains how to backup Proxmox containers and virtual machines to an external USB drive and how to restore them from the backup via Proxmox web UI.