Checklists for software errors, setup, and tool workflows.

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Fix 'pip externally managed environment' Permission Denied Error

If you see error: externally-managed-environment when trying to install a Python pac...

Fix Git Authentication Failed in VS Code on Linux

You're working in VS Code on Linux, try to push or pull, and get a popup: "Git authentica...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome Safe Mode

When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome while running in Safe Mod...

Docker Container Exits Immediately with Exit Code 137

You start a Docker container, and it exits almost immediately with exit code 137. This usually me...

Fixing 'Command Not Found' in VS Code Terminal

You open the integrated terminal in VS Code, type a command you know is installed, and get ...

Fix Git SSL Certificate Problem on macOS: Unable to Get Local Issuer
If you're seeing fatal: unable to access 'https://...': SSL certificate problem...