The Nxeon Blog
Guides for people who run their own servers.
Straight-talking tutorials and comparisons on VPS hosting, game servers, Linux and security. No fluff, just what actually works. 346 guides from the team that runs the servers.
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5 guides for “nginx” in Networking · Clear search
How to Point a Subdomain to a Different App or Port
Run several apps on one VPS, each on its own subdomain — api.yourdomain.com, app.yourdomain.com — using a reverse proxy. DNS plus the Nginx and Caddy configs.
Diagnosing 'connection refused' errors
'Connection refused' is one of the most misread errors in networking. Here's what it actually means, how it differs from a timeout, and a step-by-step fix.
How to point a domain at your VPS
Bought a domain and spun up a server? The last step is connecting them. Here's exactly how to point a domain at your VPS with A records — and verify it worked.
Reading HTTP response headers: a practical guide
Response headers reveal how a site is served, cached and secured. Here's a practical tour of the headers that matter — and what to check when something's off.
How to check if a port is open (and what to do if it's not)
A service only works if its port is reachable. Learn how to test whether a port is open from your machine and from the internet, and how to fix a closed one.
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