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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10 guides for “forge” in Security · Clear search
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.
How to Secure Docker Containers
Containers aren't secure by default. Run as non-root, drop capabilities, limit resources, scan images and lock down the daemon on your VPS.
How to Secure a MySQL Database
An exposed or default-configured database is a breach waiting to happen. Lock down MySQL/MariaDB: bind to localhost, strong users, least privilege and TLS.
How to Set Up Automatic Security Updates on Ubuntu
Unpatched software is the top cause of server compromise. Configure unattended-upgrades so security patches install themselves — safely and unattended.
How to Set Up SSH Key Authentication and Disable Passwords
Stop relying on passwords. Generate an SSH key pair, install your public key on the VPS, and turn password logins off for good.
How to Get a Free SSL Certificate with Certbot
Secure any site with a free, auto-renewing Let's Encrypt certificate using Certbot on Ubuntu 24.04 — for Nginx or Apache.
Free SSL certificates on your VPS with Let's Encrypt
HTTPS is free and automatic. Here's how to issue a Let's Encrypt certificate on your VPS, set up auto-renewal, and never see an expiry warning again.
How to enable automatic security updates on Linux
Unpatched servers get hacked. Learn to enable unattended security updates on Ubuntu/Debian and dnf-automatic on AlmaLinux/Rocky so critical fixes install themselves.
How to generate a strong password (and why length beats complexity)
Forget swapping letters for symbols. The single biggest factor in password strength is length. Here's how to generate passwords attackers can't crack.
How to check an SSL certificate's expiry and validity
An expired certificate breaks your site instantly. Learn how to check a certificate's expiry, chain and validity from the browser, the command line, and online.
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