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

Fix Windows Search 502 Bad Gateway Error

If you see a "502 Bad Gateway" error when using Windows Search (e.g., in File Explorer or the Sta...

Fix Windows Terminal Alternatives Not Working on Mac

You installed a terminal emulator designed for Windows—like Windows Terminal, Cmder, or ConEmu—on...

UFW Firewall Rules Not Applying to Docker Containers: Fixes

You've set up UFW rules to restrict traffic, but Docker containers still connect freely. This is ...

Setup Task Scheduler to Run Backup on Windows Server

If you need a regular backup to run without manual intervention, Windows Server Task Scheduler ca...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix Infinite Login Loop via Command Prompt

You sign in to Windows, the desktop appears for a moment, and then you're back at the sign-in scr...