Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When running pnpm install or pnpm update, you may see:

ER...

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

Fixing VSCode IntelliSense Not Working for Go
You open a Go project in VSCode, start typing, and get no autocompletions, no hover info, no erro...

Handling Python Requests Timeout on Slow Networks
When your Python script using the requests library hangs or throws a timeout excepti...

Fix Docker Volume Permission Denied as Root
You start a container as root, mount a volume, and get a 'permission denied' error. This ...

Fix Git Clone Connection Timed Out Due to Firewall
You run git clone and after a long pause see connection timed out. This...