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 […]
Installing and using IPA server on CentOS8
Discover how to easily set up and manage a secure and centralized authentication system using a FreeIPA server on CentOS 8. Table of Contents Introduction Identity Management or IdM is an essential component in any organization’s IT infrastructure. It is the process of identifying, authenticating, and authorizing users and their access to resources within a […]
Change DNS Settings using the NMCLI utility
In this article, we will review how to change DNS settings using nmcli. In RHEL7 and CentOS7, modifying the ifcfg scripts or /etc/resolv.conf files directly won’t work as they are overwritten by the NetworkManager. Table of Contents Introduction The nmcli command-line (CLI) tool is used for controlling the NetworkManager. It not only displays the network […]
Install a Kubernetes Cluster on Ubuntu 20.04
In today’s article, we will review the step-by-step process involved with a Kubernetes cluster install on Ubuntu server version 20.04. However, this procedure will work with later version of Ubuntu (e.g Ubuntu 22.04 or later). Table of Contents Introduction The overall steps for installing a Kubernetes cluster on Ubuntu are very similar to those for […]
Installing and using Gitlab CE on Ubuntu 20.04
In this article, we will examine installing and using Gitlab on Ubuntu server version 20.04. Gitlab community edition or Gitlab CE can be installed by simply using apt install. Table of Contents Introduction GitLab is a web-based Git repository manager that provides features such as issue tracking, continuous integration, and continuous deployment. It is available […]
Install brackets on Ubuntu 20.04
In today’s article, we will review how to install brackets on Ubuntu 20.04. Brackets is a modern text editor that makes designing easy from a web browser. Table of Contents Introduction Brackets Code Editor was developed by Adobe and first released in 2014. It is one of many text editors used by developers for coding […]
The Most Commonly Used RPM Commands in Linux With Examples
In this article, we will review the most commonly used RPM commands in Linux. These commands play a pivotal role in package management, allowing users to install, update, query, and manage software packages seamlessly on their Linux systems. Table of Contents Introduction In this article, we will review the most commonly used RPM commands in […]