Knowledge base for software setup, errors, and daily tool work.

Fix Nginx 502 Bad Gateway with Docker Socket

You have an Nginx container proxying requests to another container via the Docker socket, and you...

Fix 'git remote origin already exists' Error in GitLab

Fix ERR_CONNECTION_RESET Caused by Firewall Blocking Chrome

If you see ERR_CONNECTION_RESET in Chrome, it usually means something interrupte...

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Fix Chrome Black Screen Flickering from Hardware Acceleration

If Chrome shows a black screen or flickers when watching videos, scrolling, or opening menus, har...

Chrome Extensions Not Loading: Fix 'Permission Denied' Errors

You install or update a Chrome extension, but it refuses to load. Instead, you see a Perm...