Notes

All posts.

Technical and reflection notes on systems engineering — infrastructure, integration, security, and the work behind them.

A short walk-through of the Linux XFS hardened repository that makes Veeam backups survive ransomware — with the settings that actually matter.

Why write-once storage is the only backup strategy that survives modern ransomware — and how to design it without breaking RPO/RTO targets.

The most valuable part of enterprise IT is not the servers, the storage, or the network. It is the layer that makes them work together.