20 Useful Sed Commands With Examples
Discover 20 useful sed commands for text processing in Linux. Learn how to perform substitutions, deletions, insertions, and more with practical examples and tips. Enhance your text manipulation skills with this comprehensive guide. Table of Contents Introduction The sed (stream editor) command in Linux is a powerful tool for processing and transforming text. It is […]
Install Zabbix with PostgreSQL Database on RHEL 9 | CentOS 9: A Comprehensive Guide
Learn how to install Zabbix with PostgreSQL on RHEL 9 | CentOS 9 with our comprehensive step-by-step guide. Follow clear instructions with CLI examples and configuration tips to set up a powerful monitoring solution. Table of Contents Introduction Zabbix is one of the most popular open-source monitoring tools available, providing comprehensive real-time monitoring of systems, […]
Deploy a PostgreSQL Database Cluster Using Pacemaker on RHEL 9 | CentOS 9
Learn how to deploy a highly available PostgreSQL database cluster using Pacemaker on RHEL 9 or CentOS 9. This comprehensive guide covers installation, configuration, and testing steps, ensuring robust data integrity and uptime. Perfect for IT professionals seeking reliable high-availability solutions. Table of Contents Introduction Setting up a highly available PostgreSQL database cluster is essential for […]
Locate Versus Find in Linux: What’s the Difference?
Install and Configure IPA/idM on RHEL 9 | CentOS 9
Learn how to install and configure IPA/IdM on RHEL 9 and CentOS 9. This comprehensive guide covers prerequisites, step-by-step installation, user management, and enabling 2FA for enhanced security. Table of Contents Introduction Identity Management (IdM) or Identity, Policy, and Audit (IPA) is a robust, scalable, and secure centralized identity management system. It is especially useful […]
16 Useful Crontab Examples: Simplify Your Task Automation
This article delves into 16 useful Crontab examples to help you wield this powerful tool effectively. Table of Contents Introduction In the realm of task automation, Crontab stands as a reliable ally. Whether you’re a system administrator, a developer, or simply someone looking to streamline repetitive tasks, mastering Crontab can significantly enhance your productivity. 16 […]
Install Vagrant on RHEL9 or CentOS9
In this article, we will review how to install vagrant on RHEL9 or CentOS9 as well as, some usage scenarios to gain a better understanding. Table of Contents Introduction Virtualization has become a cornerstone for efficient software development and testing. Vagrant, when combined with Virtualbox, offers a powerful solution for creating and managing virtual environments. […]
Convert IP Address from DHCP to Static Using NMCLI
Learn how to easily convert your IP address from DHCP to static using NMCLI. Follow our step-by-step guide for seamless configuration on Linux systems. Table of Contents Introduction Are you tired of dealing with fluctuating IP addresses assigned by your DHCP server? Maybe you’re setting up a server or a networked device that needs a […]
Manage Network Connections Using the NMCLI Utility
In the article, we’ll delve into how to manage network connections using the NMCLI utility, a powerful command-line tool for configuring and controlling NetworkManager, which simplifies the management of network connections on Linux systems. Table of Contents Introduction Are you tired of grappling with complicated network configurations on your Linux system? Enter NMCLI – the […]
How to Install Cluster SSH on Linux
Learn how to install Cluster SSH on Linux distributions of various flavors including Ubuntu, Debian, CentOS, and Fedora. This comprehensive guide will help system administrators manage multiple servers efficiently. Follow our step-by-step instructions to get started with Cluster SSH today! Table of Contents Introduction Cluster SSH (CSSH) is an invaluable tool for system administrators who […]