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

Enable Wildcard Subdomain in Cloudflare: Step-by-Step

If you need all subdomains (like *.example.com) to point to the same server, a wildc...

Docker Container Exits Immediately After Entrypoint

You run a Docker container and it stops within seconds. The logs show your entrypoint script ran,...

Fix VS Code Terminal Not Opening on Mac

You open VS Code, press Ctrl+` or click the Terminal panel, and nothing happens. The...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Fix err_name_not_resolved Caused by Chrome Extensions

If you see err_name_not_resolved in Chrome, a misbehaving or conflicting extension c...

Fix Git 'index.lock file exists' Error

When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....