Security & Hardening

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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Designing Fast, Safe CI/CD Pipelines with Self-Hosted GitHub Actions Runners on AWS 0
- Best Practices & Patterns, CI/CD Pipelines, Cloud Platforms, Containers & Docker, DevOps Tools, Kubernetes, Security & Hardening
- December 5, 2025
Design fast, secure CI/CD pipelines on AWS using GitHub Actions Runner Controller, ephemeral EKS runners, OIDC credentials, Karpenter capacity, and hardened trust boundaries.
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Deploying HAProxy Enterprise with Fusion Control Plane and GSLB Across Multiple Datacentres 0
- Best Practices & Patterns, Cloud Platforms, Configuration Management, Containers & Docker, DevOps Tools, Kubernetes, Monitoring & Logging, Networking, Security & Hardening, System Administration, Web Servers
- September 20, 2025
Build a resilient multi-datacentre application delivery platform with HAProxy Enterprise, Fusion Control Plane, GSLB, delegated DNS, VRRP, health checks, and OpenShift service discovery.
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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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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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