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

DNS Probe Finished NXDOMAIN: Meaning and Fixes

You're trying to visit a website but Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". This...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Fix 'nginx: configuration test failed unexpected end of file'

When running nginx -t or nginx -t -c /path/to/nginx.conf, you might see...

Fix VS Code Permission Denied When Not Admin

You try to save a file or install an extension in VS Code, and get a "permission denied" ...

Fix Git 'index.lock' File Exists Error in SourceTree

If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...