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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8 guides for “sudo” in Networking · Clear search
How to Self-Host Pi-hole for Network-Wide Ad Blocking
Block ads and trackers for every device on your network at the DNS level. Install Pi-hole on a VPS with Docker and point your router at it.

How to Set Up a TeamSpeak 3 Server on a VPS
Install a TeamSpeak 3 server on a Linux VPS: download the server, create a user, grab the admin token and ServerQuery password, open the ports, and run it with systemd.
How to Set Up a Mumble (Murmur) Voice Server
Host your own low-latency Mumble voice server with the Murmur daemon on a Linux VPS: install, configure mumble-server.ini, set the SuperUser password, and secure it.

Port Forwarding vs a VPS: How to Make a Minecraft Server Public
To let friends join, you either port-forward your home router or run a VPS. Here's an honest comparison of both, with the tradeoffs.
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.
Common ports every developer should know (22, 80, 443, 3306…)
You don't need to memorise all 65,535 ports — just the ones that come up daily. Here's the working developer's reference to the ports you'll actually use.
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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