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

Fix Nginx Configuration Test Failure for Upstream Directive

When you run nginx -t and get an error involving the upstream directive...

Fix Docker Nginx 502 Bad Gateway Upstream Error

When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...

DNS Probe Finished NXDOMAIN vs Server Not Found: Key Differences

When you see a 'DNS probe finished NXDOMAIN' or 'Server not found' error in your ...

Fix VS Code Terminal Not Working After Update

After a VS Code update, the integrated terminal may fail to start, show a blank window, or displa...

Fix Cloudflare Wildcard Subdomain Redirect Loop