Configuration Management

Installing Red Hat Advanced Cluster Management 0
- CI/CD Pipelines, Configuration Management, Containers & Docker, DevOps Tools, Kubernetes, Web Servers
- July 23, 2025
Red Hat Advanced Cluster Management for Kubernetes (RHACM) is a powerful tool that lets you manage multiple OpenShift and Kubernetes clusters from one place. In this beginner-friendly guide, we will walk through installing RHACM version 2.4.x (or higher) on a bare metal OpenShift cluster using the OperatorHub, and then importing an existing cluster for management. The steps are straightforward and use the OpenShift web console for ease of use
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Configuring OpenShift as a Deployment Target from GitLab CI/CD 0
- CI/CD Pipelines, Configuration Management, Containers & Docker, DevOps Tools, Job Automation, Linux Basics, System Administration, Version Control (Git), Virtualization, Web Servers
- May 29, 2025
This content outlines the integration of GitLab CI/CD with OpenShift for deploying containerized applications. It discusses prerequisites, initial setup, service accounts, CI/CD variables, and pipeline configuration. Security best practices are emphasized to ensure safe deployment processes. An example demonstrates deploying a Node.js app, highlighting continuous delivery benefits.
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How to Set Up a CI/CD Pipeline with GitHub Actions (Node.js Example)0
- CI/CD Pipelines, Cloud Platforms, Configuration Management, Containers & Docker, DevOps Tools, Linux Basics, Shell Scripting, System Administration, Version Control (Git)
- May 29, 2025
Introduction to CI/CD and GitHub Actions Continuous Integration and Continuous Delivery (CI/CD) is a DevOps practice that automates the build, test, and deployment of code whenever changes are pushed to a repository. In simple terms, Continuous Integration (CI) means new code changes are automatically tested (and often merged), ensuring that integration issues are caught early, while Continuous
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How to Troubleshoot and Recover a Linux System That Won’t Boot 0
- Configuration Management, Linux Basics, Security & Hardening, System Administration, Web Servers
- May 29, 2025
When a Linux system refuses to boot, it can be daunting – but a methodical approach will often get you back up and running. This guide provides step-by-step troubleshooting for common boot issues on Ubuntu, CentOS, and RHEL, suitable for intermediate Linux users. We’ll cover preliminary checks (like hardware and BIOS/UEFI settings), using recovery
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How to Reset a Forgotten Root Password on RHEL/CentOS 0
- Best Practices & Patterns, Configuration Management, Linux Basics, System Administration, Virtualization, Web Servers
- May 28, 2025
Losing or forgetting a root password can occur for various reasons. This guide outlines how to reset the root password on RHEL/CentOS using GRUB bootloader, including steps to enhance security afterward.
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Highlights: Mastering Bash Scripting: From Basics to Advanced 0
- Best Practices & Patterns, CI/CD Pipelines, Cloud Platforms, Configuration Management, Containers & Docker, DevOps Tools
- March 2, 2015
“The only thing worse than a poorly documented shell script is a well-documented shell script that doesn’t work.”
— Anonymous
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