Fixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...
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View listFix Nginx Redirect Loop After SSL Setup
You've set up SSL on your Nginx server, but now visitors get stuck in a redirect loop—HTTP→HT...
How to Set Up a Wildcard Subdomain DNS Record in Cloudflare
If you need all subdomains (e.g., *.example.com) to point to the same IP or service, a wildcard D...
VS Code Source Control Not Detecting Changes After Git Reinstall
If you reinstalled Git and VS Code's Source Control panel stopped detecting file changes, you...
Nginx Upstream Connection Refused: Diagnosis and Fixes
When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...
Fix Cloudflare 522 Error by Disabling Proxy Temporarily
If you see a Cloudflare 522 error, it means Cloudflare tried to reach your origin server but the ...
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