Practical software fixes, setup guides, and tool workflows.

Fix Nginx 502 Bad Gateway with Docker Environment Variables

If you see a 502 Bad Gateway from nginx running in Docker, it usually means ngin...

Fix Cloudflare Wildcard Subdomain Origin Server Errors

You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) pointing to you...

How to Remove an Existing Git Remote Origin

If you've cloned a repository or added a remote origin that you no longer need—or if you need...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Fix VSCode IntelliSense Not Working with TypeScript

You open a TypeScript file in VSCode, start typing, and get no autocomplete, no hover info, no er...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...