Knowledge base for software setup, errors, and daily tool work.

Systemd Service Setup Checklist for Beginners

You've written a script and want it to run as a background service. Systemd is the modern way to ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Checklist to Diagnose Chrome Profile High CPU Usage

If Chrome is using 90%–100% of your CPU even with just a few tabs open, the problem is often the ...

Fix Remote Desktop Version Mismatch Between Client and Server

When you try to connect to a remote PC and get an error like “The remote computer requires Ne...