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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222 guides for “update” · Clear search
Domains · 6 min read ·

How to Set Up Custom Nameservers for Your Domain

Point your domain at the nameservers of Cloudflare, your host, or your own DNS server — the switch that hands DNS control to the right place. Here's how, safely.

Networking · 6 min read ·

How to Diagnose DNS Problems with dig and nslookup

When a domain won't resolve, dig and nslookup tell you exactly why. A practical, example-driven guide to reading their output and finding the real problem.

Email · 6 min read ·

How to Set Up DKIM on a Self-Hosted Mail Server

Generate a DKIM key, publish it in DNS and sign outgoing mail on your own Postfix server with OpenDKIM. The full command-by-command walkthrough.

Domains · 6 min read ·

What Is a Glue Record and When Do You Need One?

Glue records solve a chicken-and-egg problem in DNS when your nameservers live on the domain they serve. Here's the plain-English explanation and when you need them.

Domains · 5 min read ·

How to Set Up a Subdomain for a Game Server

Give players a memorable address like play.yourdomain.com instead of a raw IP and port — with the right DNS record, and an SRV record to hide the port entirely.

Domains · 5 min read ·

How to Set Up a CAA Record for Your Domain

A CAA record tells certificate authorities which of them are allowed to issue SSL certs for your domain — a simple, powerful guard against mis-issuance.

Domains · 6 min read ·

How to Set Up an A Record for Your Server

The A record is the single most important DNS record for pointing a domain at a server. Here's exactly what it does, how to add one, and how to test it.

Domains · 5 min read ·

How to Set Up DNS on GoDaddy for a VPS

Point a GoDaddy domain at your VPS with the right A and CNAME records. Clear steps through GoDaddy's DNS Management panel, including its @ and Nameserver quirks.

Domains · 6 min read ·

How to Set Up DNS on Namecheap for a VPS

Point a Namecheap-registered domain at your VPS with the correct A and CNAME records, using Namecheap's BasicDNS panel — no jargon, just the exact values.

Security · 5 min read ·

How to Self-Host Vaultwarden Behind an Nginx Reverse Proxy

Already run Nginx? Here's how to put Vaultwarden behind it properly — real config, Let's Encrypt TLS, WebSocket support and the security headers that matter.

Guides · 5 min read ·

12 Best Self-Hosted Apps to Run on a VPS

A curated tour of the best self-hosted apps for a VPS — what each one replaces, what it needs, and where to start. Your roadmap to a private, self-run stack.

Tutorials · 5 min read ·

How to Self-Host a URL Shortener on a VPS

Branded short links on your own domain, with real analytics and no third-party shutting them down. Install Shlink on a VPS with Docker.

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