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

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

Fix Docker Build Context Canceled by Excluding Files

You run docker build and after a long wait see context canceled. This o...

Fix Python Permission Denied When Running pip install -r requirements.txt

Fix Cloudflare Wildcard Subdomain Page Rule Not Working

You set up a wildcard subdomain page rule in Cloudflare—like * .example.com/*—but it...

Fix Python Permission Denied When Installing Packages

You try to install a Python package with pip and get a PermissionError: [Errno 13] Permissi...