Checklists for software errors, setup, and tool workflows.

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Latest checklists

You run docker compose up and get an error like Error: Port 3306 is already al...

Fix Nginx Upstream Connection Refused Error
When Nginx returns upstream connection refused in your error logs, it means Nginx tr...

Fix 'nginx -t test failed no such file or directory' Error
When running nginx -t to test configuration, you may encounter the error nginx...

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

Python Requests Timeout Not Waiting: Fixes and Checks
You set a timeout in Python's requests library, but the call either hangs foreve...

Fix VSCode Git Authentication Failed on Windows
If you see "Authentication failed" when pushing or pulling in Visual Studio Code on Windo...