How to Change Git Remote URL with git remote set-url origin - Resolve 502 Bad Gateway in Docker Nginx MySQL Setup-Resolve 521 Web Server Down with Firewall Changes

Updated 2026-07-28 14:48:08browser-issues

How to Change Git Remote URL with git remote set-url origin - Resolve 502 Bad Gateway in Docker Nginx MySQL Setup-Resolve 521 Web Server Down with Firewall Changes

Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

Restart the affected app after changing permissions or configuration files.
Test the same workflow in a clean browser profile or a temporary user account.
Compare the result on another network if the error may be connection related.