Checklists for software errors, setup, and tool workflows.

Nginx Upstream Connection Refused: Fixing localhost Errors

You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix Cloudflare SSL Full Strict Error 526

If you see error 526 in your browser when using Cloudflare with SSL set to Full (Strict), it mean...

Fix VS Code Terminal Not Opening WSL

You open VS Code, switch to the integrated terminal, select WSL as your default shell, and nothin...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...