RHCSA9 Exam Series: Understand and use essential tools
In this section of the RHCSA9 Exam Series: Understand and use essential tools, we will examine some of the essential tools that may appear on the RHCSA9 exam and review different ways to accomplish administrative tasks within RHEL9 operating system (OS). Some of the commands we will review in this lab include: mkdir rmdir rm […]
How to Configure Chrony on RHEL9
In this article, we will review how to configure Chrony on RHEL9 using chrony. We will focus on the server-side setup and finish with the client-side setup. Table of Contents Introduction Before we begin, this article assumes that you already have running instances of RHEL9 or CentOS9 available. If not, you may reference the following […]
Creating Snapshots in KVM
In this article, we will review the process for creating snapshots in KVM. As part of this process, we will learn how to script this procedure using bash. Table of Contents Introduction KVM (Kernel-based Virtual Machine) is a virtualization solution that allows users to create and manage virtual machines on a Linux host. One of […]
Install MariaDB on CentOS7
In this step-by-step guide, we will show you how to install mariaDB on CentOS7. MariaDB is a fork of MySQL relational database management systems (RDBMS). Table of Contents Introduction MariaDB originated from the apprehensions of the initial developers that Oracle might acquire it in 2009. It was crafted with a focus on upholding compatibility with MySQL, […]
Write a play that checks for the timezone of a system and outputs the results to a file
In this article, we will review how we can automate a task that checks the timezone using Ansible, offering a detailed walkthrough of the steps involved in automating the verification and configuration of time zones across target machines. Table of Contents Introduction Welcome to our latest blog post, where we delve into the world of […]
Install Gedit on RHEL8 or CentOS8
In this article, we will review how to install Gedit on RHEL8 or CentOS8. Whether you’re a developer, writer, or simply someone who frequently works with text files on RHEL8, installing gedit can be a game-changer. Find out how this popular and customizable text editor can improve your productivity and simplify your tasks. Introduction Gedit […]
10 popular AWK command examples in Linux
Unlock the full potential of AWK with these popular commands that will streamline your text processing tasks and increase your productivity. Table of Contents Introduction AWK is a powerful text processing tool that is widely used in the Linux environment. The name AWK comes from the initials of its creators: Alfred Aho, Peter Weinberger, and […]
Change IPv4 Addresses using the NMCLI Utility
Discover the convenient and efficient way to change IPv4 addresses on your Linux machine using the nmcli utility, and take control of your network settings with ease. Table of Contents Introduction Changing IPv4 addresses using the nmcli utility is a useful way to manage network connections on a Linux system. Here’s a step-by-step guide on […]
Installing and Using Nano Text Editor
In this tutorial, we will install Nano and review basic commands for navigating the text editor. Table of Contents Introduction For the newbie Linux user, text editors like Vim or Emacs can be intimidating and present a steep learning curve. GNU Nano text editor bridges that technical gap. It was initially released 22 years ago […]
RHCSA9 EXAM SERIES: Create and Configure file systems
Are you ready to take on the RHCSA 9 exam? Our comprehensive guide on creating and configuring file systems in RHCSA will equip you with the essential skills needed for Linux professionals. Learn how to create, mount, and unmount vfat, ext4, and xfs file systems, diagnose and correct file permission problems, and much more. Let […]