System Administration

Installing Redis on WSL Ubuntu and Redis Insights on Windows: A Complete Development Setup 0
- Best Practices & Patterns, CI/CD Pipelines, Cloud Platforms, Configuration Management, Containers & Docker, Job Automation, Linux Basics, Networking, Security & Hardening, System Administration
- January 12, 2026
Introduction Setting up a Redis development environment on Windows used to require virtual machines or dual-booting. With Windows Subsystem for Linux (WSL), you can now run Redis natively while maintaining access to powerful Windows-based Redis management tools. This guide walks you through installing Redis on WSL Ubuntu and Redis Insights on Windows, creating a seamless
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The Ultimate Simplified Guide to Installing Coolify on Ubuntu 0
- AI, Best Practices & Patterns, CI/CD Pipelines, Cloud Platforms, Configuration Management, Containers & Docker, DevOps Tools, Job Automation, Kubernetes, Linux Basics, Monitoring & Logging, Networking, Package Management, Security & Hardening, Shell Scripting, System Administration, Version Control (Git), Web Servers
- January 12, 2026
Introduction If you’re looking for the easiest way to set up Coolify on Ubuntu, you’re in the right place. This guide provides the most streamlined installation process possible, perfect for beginners and anyone who wants to save time. The Simplest Installation Method One-Command Installation Run this single command in your terminal: Alternative Easy Methods Complete
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Why Your Linux System Boots into grub rescue> and How to Fix It 0
- Best Practices & Patterns, Linux Basics, Security & Hardening, System Administration, Troubleshooting, Web Servers
- August 27, 2025
It can be deeply frustrating when a Linux system fails to boot properly and drops into a grub rescue> prompt. This usually indicates a problem with the GRUB (GRand Unified Bootloader), the software responsible for booting the OS. This guide will help you understand why this happens and how to recover your system—even if you’re using RHEL 7, 8, 9, or 10
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How to Configure HTPasswd Authentication on an OpenShift Cluster 0
- Best Practices & Patterns, Containers & Docker, DevOps Tools, Kubernetes, Security & Hardening, System Administration, Troubleshooting, Virtualization
- August 19, 2025
In this step-by-step guide, we will configure HTPasswd authentication on an existing OpenShift 4.15+ single-node cluster. We’ll create user accounts, update the cluster’s OAuth settings to use HTPasswd, and verify access via both the CLI and the web console. We’ll also cover how to assign admin privileges to a new user and remove the default kubeadmin user for security.
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Installing and Using n8n on RHEL 9/CentOS with Docker 0
- Best Practices & Patterns, DevOps Tools, Job Automation, Linux Basics, Networking, System Administration, Web Servers
- August 8, 2025
This guide will walk you through installing Docker on Red Hat Enterprise Linux 9 (or CentOS/Rocky/AlmaLinux 9), setting up n8n in a Docker container, and configuring SSL/HTTPS for secure access. We’ll use step-by-step instructions with explanations, sample commands, and outputs.
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Linux Active Directory Integration with SSSD, SSH, and PAM – Guide 0
- Best Practices & Patterns, Linux Basics, Security & Hardening, System Administration, Troubleshooting
- August 5, 2025
By following these practices and understanding the components, you will have a robust setup where Linux and Active Directory work together for seamless user authentication. The key is to verify each piece (DNS, Kerberos, SSSD, PAM) and use the tools available (logs, realm commands, sssctl, etc.) to diagnose issues. With proper configuration, domain users can log into Linux systems using their AD accounts, and administrators can centrally manage credentials and policies in AD while maintaining Linux-specific settings via SSSD.
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