Workflow manuals for setup steps, repeatable tasks, and software operations.

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Cloudflare Origin Certificate Setup for Apache

If you use Cloudflare's proxy (orange cloud), you can set up an origin certificate to encrypt...

Fix Git Authentication Failed in VS Code on Mac

If you see "Git authentication failed" when pushing or pulling in VS Code on a Mac, the p...

Fix ERR_CERT_AUTHORITY_INVALID in Chrome Incognito Mode

You open Chrome incognito and hit a warning: NET::ERR_CERT_AUTHORITY_INVALID. Th...

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

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 Docker Network Not Found & Permission Denied Errors

If you're seeing Error response from daemon: network not found or permissi...


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