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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50 guides for “cloud” · Clear search
Security · 6 min read ·

How to Set Up a Firewall for a Game Server

Game servers need specific ports open and everything else shut. Configure UFW to expose only your game's ports, protect RCON, and cut attack surface.

Security · 5 min read ·

How to Manage Secrets and Environment Variables on a VPS

Hardcoded API keys and passwords in code are a breach waiting to happen. Learn to store secrets in env files, systemd, and vaults — the right way.

Tutorials · 5 min read ·

How to Monitor a Linux VPS (htop, netdata and more)

You can't fix what you can't see. Learn the essential Linux monitoring tools — from quick htop checks to a full netdata dashboard with alerts.

Security · 6 min read ·

DDoS Protection Basics for a VPS

What a DDoS attack actually is, what you can mitigate at the server level, and where you genuinely need upstream protection. A realistic primer.

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 · 5 min read ·

How to Set Up a Catch-All Email Address

A catch-all captures mail sent to any address at your domain — even ones that don't exist. Here's how to set one up, the real risks, and smarter alternatives.

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 Move Your Domain's DNS to Cloudflare

Migrate your DNS to Cloudflare for faster changes, a free CDN and DDoS protection — without downtime. The exact order of steps so no record is dropped.

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.

Email · 6 min read ·

How to Forward Custom Domain Email to Gmail

Read mail sent to you@yourdomain.com right in your normal Gmail inbox — and even reply as your domain. The simplest way to look professional without a new inbox.

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.

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