Checklists for software errors, setup, and tool workflows.

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Python Virtual Environment Not Activating in Git Bash: Fixes

You're in Git Bash on Windows, you run source venv/Scripts/activate, and nothing...

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Fix 'python command not found' on Windows

You're trying to run a Python script on Windows, but you get an error like 'python&...

Docker Compose Multiple Environment Files Not Merging? Fix Here
You have multiple .env files for different environments (e.g., .env.dev...

Docker Container Exits Immediately: 'Command Not Found' Fix
You start a Docker container and it exits immediately with a message like /bin/sh: 1: somec...

VS Code Source Control Not Detecting Changes After Git Reinstall
If you reinstalled Git and VS Code's Source Control panel stopped detecting file changes, you...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Python Virtual Environment Not Activating in Git Bash: Fixes

Nginx Upstream Connection Refused: Diagnosis and Fixes

Fix 'python command not found' on Windows

Docker Compose Multiple Environment Files Not Merging? Fix Here

Docker Container Exits Immediately: 'Command Not Found' Fix

VS Code Source Control Not Detecting Changes After Git Reinstall

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