Checklists for software errors, setup, and tool workflows.

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Latest checklists

If you're running Nginx as a reverse proxy or load balancer in a Docker setup, a 502 Bad Gate...

If you're working with Git on a Mac and see the error fatal: Unable to create '/pat...

How to Fix Chrome Extensions Not Loading
You open Chrome, click the puzzle icon, and your extensions are grayed out or missing. This is co...

How to Fix Git Push Rejected (Non Fast-Forward Error)
When you run git push and see ! [rejected] with non fast-forward<...

Fix Git 'index.lock file exists' Error
When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....

How to Fix Git Push Rejected: Non-Fast-Forward Merge
You run git push and get: ! [rejected] main -> main (non-fast-forward)