Checklists for software errors, setup, and tool workflows.

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Latest checklists

You try to open a shared folder from a Linux Samba server on a Windows machine and get: 'Wind...

When you run npm install or yarn install and see an error like en...

Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...

How to Fix Nginx Upstream Connection Refused on Port 80
When nginx logs show "upstream connection refused" while connecting to port 80, it means ...

Fix Git 'index.lock' File Exists Error in IntelliJ
If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

How to Fix npm Install Permission Denied on Mac
If you see EACCES: permission denied when running npm install, it's...