Checklists for software errors, setup, and tool workflows.

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Latest checklists

You try to delete a file or folder in VS Code's Explorer, but get an error: Permission ...

Fixing NGINX Upstream Connection Refused SSL Errors
When NGINX logs upstream connection refused for an SSL backend, it usually means the...

Fix npm install Permission Denied on Shared Hosting
When you run npm install on a shared hosting server, you might see errors like

Fix Docker Desktop Engine Stopped Hyper-V Error
You open Docker Desktop and see the engine stopped with a Hyper-V error. This often happens after...

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 Git 'index.lock file exists' Error
If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...