Matrix Notifications for Checkmk – Modern, Secure, and Self-Hosted Alerting
Still sending monitoring alerts via email or relying on closed messaging platforms? In an age where digital sovereignty...
A lightweight task manager that’s yours
If you want a simple and powerful task manager that stays entirely under your control, Vikunja is a...
Fail2ban Made Easy with a Helper Script
What is fail2ban? fail2ban is a security tool for Linux servers that helps prevent brute-force attacks. It works...
Google Groups as a Spam Vector
Introduction If you’re operating a modern mail system and rely on technologies like SPF, DKIM, and DMARC, you...
Never Miss a Bounce Again – Track Postfix Failures
When you’re waiting for an important email that never arrives, it can be frustrating — especially when there’s...
Windows 11 Password Reset Guide
Getting locked out of your Windows 11 PC can be stressful, especially if it’s the only account. The...
Zero Trust PKI Made Simple with EasyRSA
Introduction Zero Trust is no longer just a buzzword – it is a security principle that fundamentally changes...
Modern and lightweight Wiki.js
When it comes to self-hosted wiki platforms, MediaWiki has been a solid and proven solution for many years....
Resetting Windows Update Components
To fix Windows Update issues, use the following commands in an elevated Command Prompt to repair the system...