How to Customize Linux MOTD on RHEL 9 | CentOS 9
Learn how to customize Linux MOTD on RHEL 9 and CentOS 9 to enhance user experience. Discover step-by-step instructions, practical examples, and tips for displaying vital system information, ASCII art, and monitoring links at user login. Table of Contents Introduction The Message of the Day (MOTD) in Linux is a powerful feature that allows administrators […]
Adding Hosts to Zabbix Using Bash Script
Learn how to automate adding hosts to Zabbix using Bash script. This comprehensive guide covers script functions, examples, and best practices to streamline your IT monitoring process. Optimize your workflow and reduce errors with our step-by-step instructions! Table of Contents Introduction In the realm of IT monitoring, Zabbix stands out as a powerful open-source solution. […]
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 […]
Install WebSphere on RHEL9 or CentOS9
In this article, we will review how to install WebSphere on RHEL9. It will include step-by-step instructions, prerequisites to ensure a smooth installation process, and insights into configuring WebSphere for optimal performance on Red Hat Enterprise Linux 9. Table of Contents Introduction WebSphere, developed by IBM, is a robust and widely used application server that […]
How to calculate pi using a bash script
To calculate pi using a Bash script, you can use the bc command, which is a tool that can perform arithmetic operations in the terminal. Table of Contents Introduction By following our step-by-step guide, you’ll learn how to calculate pi using a Bash script while gaining a thorough understanding of the underlying code. We’ll review […]
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 […]
Secure SSH with Ansible
Learn how to secure SSH with Ansible and protect your Linux systems from unauthorized access with this step-by-step guide. Table of Contents Introduction Ansible is a popular automation tool that is used for managing IT infrastructure. It was developed by Michael DeHaan in 2012 and has since then become one of the most popular automation […]
Create a virtual machine in KVM using virt-install
This virt-install setup guide is aimed at Linux professionals who want to create virtual machines in KVM. It provides a step-by-step process for installing Redhat, CentOS, Fedora, and Ubuntu instances using virt-install. The guide also covers best practices for creating virtual machines in KVM and automating the virt-install process with kickstart. Table of Contents Introduction […]
Change Root Password using Ansible
In this article, we will review step-by-step, how to change the root password using Ansible. As part of this process, we will examine a sample playbook to gain a better understanding. Table of Contents Introduction In the ever-evolving landscape of IT infrastructure management, automation has become an indispensable tool. Among the myriad of automation tools […]
Write a play that changes the root password hash and encrypts the file it is stored in
In this article, we will examine a play used to change the root password using Ansible. It will also encrypt the file the password is stored in–using ansible-vault on your localhost. Table of Contents Red Hat Ansible Automation: Objectives The encrypted password files will be stored under the password directory and saved off to a backup using […]