Checklists for software errors, setup, and tool workflows.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

How to Fix Docker Login Access Denied Error

When you run docker login and get an 'access denied' error, the problem is u...

Docker Pull Access Denied on Mac M1: Step-by-Step Fix

If you're running Docker on an Apple M1 Mac and see 'access denied' when pulling an i...

How to Fix Windows Cannot Access Shared Folder

You try to open a shared folder on another PC and get 'Windows cannot access \\computer\share...

Docker Prune Not Freeing Enough Space: Practical Fixes

You run docker system prune -a expecting a big space recovery, but the freed space i...