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

Fix net::ERR_CERT_AUTHORITY_INVALID on Chrome in Linux Terminal

When you see net::ERR_CERT_AUTHORITY_INVALID in Chrome on Linux, it usually means th...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

How to Downgrade Node.js for Package Compatibility

You install a package and get errors like requires Node.js >= 16, but you have 18...

Checklist for Pushing Large Files with Git

You've likely hit this: you try to push a commit, and Git rejects it because a file is too la...

Fix Git 'index.lock' File Exists Error in SourceTree

If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...