How To Apply Updates Automatically With dnf-automatic In RHEL, AlmaLinux And Rocky Linux

Applying updates regularly should be the top priority in the day-to-day tasks of a System administrator. Running unpatched systems for a long time is quite risky. There are many ways …

An Easy Way To Encrypt And Decrypt Files From Commandline Using GnuPG In Linux

Today, we are going to see how to encrypt and decrypt files from command line in Linux using a free utility named GNU Privacy Guard (shortly GPG or GnuPG). There are, of …

How To Use sshpass For Non-interactive SSH login In Scripts In Linux And FreeBSD

In this guide, we will learn what is sshpass utility, how to install sshpass in Linux and FreeBSD systems, and how to use sshpass for non-interactive SSH login in shell …

How To Force Users To Use Strong Passwords In Debian And Ubuntu

This brief tutorial explains how to force users to use strong passwords using Pluggable Authentication Modules (PAM) in Debian, Ubuntu and other DEB-based systems. Introduction A strong password must have …

How To Setup Multi-Factor Authentication For SSH In Linux

In this guide, we are going to learn what is Multi-Factor authentication and its importance and finally how to setup Multi-Factor authentication for SSH in Linux using Google Authenticator app. …