Commonly used Tar and Gzip Commands in Linux With Examples
In this article, we will review commonly used tar and gzip commands in Linux with some examples. Linux users and IT professionals alike, ought to be familiar with most if not all these commands. Table of Contents Introduction In Linux, Tar and Gzip commands are used to compress and archive files and directories. These commands […]
RHCSA9 Exam Series: Manage Users and Groups
In this article, we will review a scenario that may appear on the RHCSA9 exam. The RHCSA9 exam series articles are designed to increase your knowledge, skills, and confidence regarding the exam. However, practice makes perfect so, practice…practice…practice!! Table of Contents Introduction Before we begin, this article assumes that you already have running instances of […]
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 […]
Configure NTP on RHEL9 using Chrony
In this article, we will review how to configure NTP 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 […]
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, […]
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 […]
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 […]
RHCSA9 Exam Series: Operate Running Systems
Want to pass the RHCSA9 exam? This section of the RHCSA9 Exam Series: Operate Running Systems will review how to operate running systems–a key skill need to clear the RHCSA exam and we’ve got you covered with practical examples to help you prepare. Table of Contents Introduction As a Linux professional, it is important to […]
Install and Use PostgreSQL on CentOS8
Learn about installing and using PostgreSQL on CentOS 8 with this step-by-step guide and take your data management to the next level! Table of Contents Introduction PostgreSQL is an open-source, object-relational database system that provides robust data management and secure data storage. It was first released in 1989 and has since then been developed by […]
Installing and using NTP server on CentOS8
In this article, we will review network time protocol (NTP) installation and configuration on a CentOS8 or RHEL8 operating system. As part of this process, we will focus on both the server-side and client-side setups for NTP. Table of Contents Introduction Although chronyd has replaced ntpd as the default time service on RHEL8 and CentOS8 […]