DevOps x Linux
Automate. Deploy. Scale — The Linux Way
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Configuring OpenShift as a Deployment Target from GitLab CI/CD0
- 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 Boot0
- 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/CentOS0
- 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 Advanced0
- 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.”
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— Anonymous
Comparison of the Best Configuration Management Tools for Linux0
- Best Practices & Patterns, CI/CD Pipelines, Configuration Management, Job Automation, Linux Basics, Package Management, Shell Scripting, System Administration, Version Control (Git)
- February 25, 2015
Introduction Configuration management (CM) tools help system administrators and DevOps engineers automate the provisioning and maintenance of servers at scale. They ensure systems are configured consistently and correctly across environments, reducing errors and drift. In this article, we compare several leading configuration management tools for Linux – both open-source and commercial – to highlight
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