Checklists for software errors, setup, and tool workflows.

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Latest checklists

You try to run a Git command and see fatal: Unable to create 'path/.git/index.lock'...

Resolving Python Dependency Conflicts in setup.py
When you run pip install . or python setup.py develop, a dependency con...

How to Fix Chrome Status Access Violation Error
If you see a Chrome error that says "STATUS_ACCESS_VIOLATION" and the tab crashes, it mea...

How to Fix Nginx 'Upstream Connection Refused' Error
When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...

How to Remove the Externally Managed Environment Flag in pip
If you're seeing error: externally-managed-environment when using pip on a moder...

Fix VSCode Git Authentication Failed: Permission Denied
If you see 'Git authentication failed' or 'permission denied' when pushing or pul...