Create Proxmox snapshots via Ansible
When working with Proxmox LXC or VM containers, it’s prudent to take a snapshot before applying updates. Snapshots...
Automating DNF Updates with Ansible
Keeping Linux systems up to date is critical for security and stability. In enterprise environments or home labs,...
Track MikroTik PPPoE sessions
In modern networking environments, especially when using MikroTik routers in residential or SMB setups, PPPoE (Point-to-Point Protocol over...
UCEPROTECTL3 Listing Explained
Seeing a UCEPROTECTL3 listing on an IP address can be alarming at first — especially if mail services...
Monitoring Proxmox Snapshots – Why It Matters More Than You Think
In virtualized environments, snapshots are a powerful safety net. Whether you’re patching a critical system, updating a legacy...
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...
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...