Linux administration

In this article, we are going to learn what is Ansible Vault and how to use Ansible Vault to protect sensitive playbook data in Linux.

This guide explains what is Ansible register and how to capture a task output in Ansible using the register variables in Linux.

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.