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

Fix Git Push Rejected Non Fast Forward Rebase Error

If you see ! [rejected] and non-fast-forward after a rebase, it means y...

How to Fix Git Detached HEAD State and Undo Changes

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

How to Stop Chrome from Crashing at Launch

If Chrome crashes immediately when you try to open it, you're not alone. This usually happens...

How to Change npm Directory to Avoid Permission Denied

If you've seen "EACCES: permission denied" when running npm install -g, ...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Fix VS Code 'Permission Denied' When Saving Files

You're editing a file in Visual Studio Code, hit Ctrl+S, and get an error: "Failed to sav...