Checklists for software errors, setup, and tool workflows.

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Latest checklists

You open Chrome on your Mac, and the screen goes black—or parts of the page are garbled. This oft...

When you run git remote add origin <url> and see fatal: remote origin al...

How to Change npm Directory to Avoid Permission Denied
If you've seen "EACCES: permission denied" when running npm install -g, ...

Fix 'Externally Managed Environment' Error on Linux
If you're on a modern Linux distribution (Ubuntu 23.04+, Debian 12+, Fedora 38+, etc.) and ge...

Fix Nginx Configuration Test Failure on Location Directive
When you run nginx -t and see an error like [emerg] invalid location directive...

Fix npm run build Failed After Git Pull
You pulled the latest code from Git, ran npm run build, and got errors. This is a co...