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

Docker Container Exits Immediately in Docker Compose

If your Docker container exits immediately after starting with docker compose up, it...

Fix Docker Volume Permission Denied for Postgres

How to Enable Windows Defender Real-Time Protection via Group Policy

If Windows Defender real-time protection is turned off and grayed out, it's often because a G...

How to Reset Bluetooth in Windows 11

Bluetooth problems in Windows 11 often show up as devices not pairing, intermittent disconnects, ...

How to Fix Git Detached HEAD State and Undo Changes

You run git status and see something like "HEAD detached at abc123". This ha...