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

Fix VS Code Source Control Not Detecting Changes with Permission Denied

You open VS Code, make edits, but the Source Control panel shows no changes. Or you see a "pe...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

How to Fix Firefox Secure Connection Failed with VPN

You're using a VPN and Firefox suddenly shows 'Secure Connection Failed' on sites tha...

Nginx Configuration Test Failed: Fix Server Block Errors

When you run nginx -t and see "test failed" with a server block error, it us...

Prevent Git Index Lock File Creation: Practical Fixes

If you see fatal: Unable to create 'path/to/.git/index.lock': File exists., ...

Fix Python Permission Denied When Installing Packages

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