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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82 guides for “dns” · Clear searchCommon 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 connect a domain to WordPress on a VPS
Running WordPress on your own VPS gives you full control. Here's how to connect your domain, configure the site URL, and secure it with HTTPS.
Email DNS explained: SPF, DKIM and DMARC
Want your email to land in inboxes, not spam? Three DNS records — SPF, DKIM and DMARC — are the key. Here's what they do and how to set them.
DNS records explained: A, AAAA, MX, TXT, CNAME, NS
DNS is the internet's address book. Here's a plain-English guide to the record types you'll actually use — A, AAAA, CNAME, MX, TXT and NS — and when to reach for each.
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.
How to transfer a domain to a new registrar
Moving a domain to a better registrar is straightforward once you know the steps. Here's the checklist — unlock, auth code, and no downtime.
DDoS Protection for Game Servers: What You Need to Know
Game servers are prime DDoS targets. Learn how attacks work, what network-level filtering does, and practical steps to keep your server online.
What is a WHOIS lookup and how to read the results
WHOIS tells you who owns a domain, when it expires, and where it's registered. Here's what every field means and how to read a WHOIS record like a pro.
Set up Nginx with free SSL using Let's Encrypt
HTTPS is non-negotiable. Learn to install Nginx, serve a site, and secure it with a free, auto-renewing Let's Encrypt certificate using Certbot — in minutes.
How to redirect www to your apex domain (or vice versa)
Should visitors land on example.com or www.example.com? Pick one, redirect the other. Here's why it matters and how to set it up cleanly.
How to host multiple websites on one VPS
One VPS can serve many domains. Learn how virtual hosts (server blocks) work in Nginx, how to add each site, and how to give every domain its own free SSL.
Subdomains explained: what they are and how to use them
blog.example.com, app.example.com, shop.example.com — subdomains let one domain host many things. Here's how they work and when to use one.
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