RHCSA 9 Exam Prep: Master 10 Essential Shell Scripts for Automating Linux Tasks
Are you preparing for the RHCSA 9 exam and want to master the essential skill of shell scripting? Discover 10 practical shell scripts that can automate tasks in Linux and help you excel in the exam. From conditional code execution to processing script inputs and outputs, these scripts cover all the key areas and will […]
Securing a PostgreSQL Database
Protecting your valuable data is crucial in the digital age, and one of the most important steps you can take is securing your PostgreSQL database with these ten essential strategies. Table of Contents Introduction PostgreSQL is an open-source relational database management system that is known for its scalability, reliability, and robustness. It was first released […]
Add multiple IP addresses using NMCLI
In this article, we’ll show you how to quickly add multiple IP addresses using NMCLI, a powerful command-line tool for configuring network settings on RHEL8/9 or CentOS 8/9 OS, streamlining your network administration tasks. Table of Contents Introduction NetworkManager Command Line Interface (NMCLI) is a tool that allows network administrators to configure network settings on […]
Install and Configure Redis on RHEL9/CentOS9
Looking to Install and configure Redis for your next project? Look no further! Redis is a versatile and high-performance data structure store that can be used as a database, cache, or message broker. Our step-by-step guide on how to install and configure Redis on RHEL9/CentOS9, along with examples of its basic usage, will help you […]
Install EPEL on Linux
In this article, we will guide you through the process of installing EPEL on various versions of RHEL and CentOS. Table of Contents Introduction The Extra Packages for Enterprise Linux (EPEL) is a repository of additional software packages that are not included in the default package repository of Red Hat Enterprise Linux (RHEL) and its […]
Boost Your System Performance with Control Groups v2 in RHEL9: Tips and Tricks
Take your system performance to the next level with Control Groups v2 in RHEL9 – the powerful feature that allows you to manage resources for groups of processes and optimize your Linux system. Table of Contents Introduction Control Groups v2, commonly known as cgroupsv2, is a Linux kernel feature used to manage resources like CPU, […]
Install and Configure MongoDB on RHEL9/CentOS9
As a Linux professional, mastering how to install and configure MongoDB will empower you to leverage the full power of this popular NoSQL database for efficient and scalable data management. Table of Contents Introduction MongoDB is a popular NoSQL document-oriented database that is known for its high performance, scalability, and flexibility. It was first released […]
The differences between NMCLI and NMTUI
Learn about the differences between NMCLI and NMTUI, two powerful tools for managing network connections on Linux systems, and discover which one is best suited for your needs. Table of Contents Introduction When it comes to managing network connections on Linux systems, NetworkManager is a widely used service. NetworkManager provides various tools for managing network […]
Removing a Host from Red Hat Satellite 6.10
Learn the five most effective ways for removing a host from Red Hat Satellite, including CLI tools, web interface, and automation tools, to efficiently manage your Red Hat Enterprise Linux (RHEL) systems. Table of Contents Introduction Red Hat Satellite is a powerful infrastructure management tool used by many organizations to automate patch management, configuration management, […]
The chmod vs. umask commands
In this article, we will compare chmod vs. umask, the differences between them as well as how we can use them in our Linux environment. Table of Contents Introduction The chmod and umask utilities are used to manage file permissions on a Linux machine. However, they both serve different purposes and we will explore that […]