📌 Article Overview This tutorial is designed for RHCE 9.0 certification candidates and explains how to use Ansible to modify the /etc/issue file dynamically based on host group membership. 💡 What You Will Learn: ✅ How to modify files using Ansible’s copy module ✅ How to apply conditional logic based on
📌 Article Overview This tutorial is designed for RHCE 9.0 certification candidates and explains how to use Ansible templates (Jinja2) to dynamically generate the /etc/myhosts file. 💡 What You Will Learn: ✅ How to use Ansible to generate /etc/myhosts dynamically from a template ✅ How to work with Jinja2 loops in
📌 Article Overview This tutorial is designed for RHCE 9.0 certification candidates and explains how to use Ansible to create logical volumes (LV) in a volume group (VG), apply error handling, and verify the configuration. 💡 What You Will Learn: ✅ How to create an Ansible Playbook to manage Logical Volumes (LVM)
📌 Article Overview This tutorial is designed for RHCE 9.0 certification candidates and explains how to use pre-installed Ansible roles (balancer and phpinfo) to configure load balancing and deploy PHP web applications. 💡 What You Will Learn: ✅ How to create an Ansible Playbook to use Galaxy roles ✅ How to configure a
📌 Article Overview This tutorial is designed for RHCE 9.0 certification candidates and explains how to create and use an Ansible role to deploy Apache (httpd) on managed nodes. 💡 What You Will Learn: ✅ How to create an Ansible role using ansible-galaxy role init ✅ How to configure Apache (httpd) and firewalld
📌 Article Overview This tutorial is designed for RHCE 9.0 certification candidates and explains how to install Ansible roles using ansible-galaxy and a requirements file. 💡 What You Will Learn: ✅ How to create and configure requirements.yml for role installation ✅ How to install Ansible roles from a custom URL ✅ How to
📌 Article Overview This tutorial is designed for RHCE 9.0 certification candidates and explains in detail how to configure and install Ansible collections from local sources. What You Will Learn: * How to create and configure requirements.yml for collection installation * How to install collections in a custom directory * How to
📌 Article Overview This tutorial is designed for RHCE 9.0 certification candidates and explains in detail how to manage SELinux configurations using the Ansible rhel-system-roles.selinux role to ensure it is set to enforcing. What You Will Learn: * How to install and enable the rhel-system-roles.selinux role * How to use
📌 As businesses grow, Linux infrastructure must scale efficiently to handle increasing workloads, data growth, and traffic spikes. Poorly scaled systems cause performance bottlenecks, downtime, and inefficiencies, impacting end users and business operations. 💡 Scaling Linux infrastructure is critical for ensuring performance, high availability, and system reliability. 📌 In this guide, you will
📌 In modern IT environments, high availability (HA) is essential to ensure that mission-critical services remain accessible even in the event of hardware failures, software crashes, or network disruptions. 💡 Implementing a well-architected HA strategy in Linux can minimize downtime and prevent service disruptions. 📌 In this guide, you will learn: ✅ What high
📌 In today's IT-driven world, businesses rely on Linux systems for critical applications, databases, and services. However, disasters—whether hardware failures, cyberattacks, human errors, or natural disasters—can strike at any time. 💡 A well-designed Linux disaster recovery (DR) plan is essential to minimize downtime and data loss. 📌 In this
📌 In modern IT environments, data loss can be catastrophic. Whether caused by accidental deletions, disk failures, malware, or system corruption, losing critical data can lead to costly downtime and security risks. Fortunately, Linux provides robust snapshot and backup solutions to protect against such disasters. 📌 In this guide, you will learn: