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.
Security guides
34 guides · newest firstHow to set up a WireGuard VPN on a VPS
Run your own fast, private VPN with WireGuard on a VPS. Learn to install it, generate keys, configure server and client, and route your traffic securely.
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 disable root SSH login (safely)
Letting root log in over SSH is a needless risk. Learn how to create a sudo user, verify access, and disable root SSH without locking yourself out.
How to set up fail2ban to stop brute-force attacks
fail2ban watches your logs and bans IPs that keep failing logins. Learn to install it, protect SSH, tune ban times, and add jails for web services.
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 harden a Linux server: a practical checklist
A public server is probed within minutes of going online. This hardening checklist covers users, SSH, firewalls, updates, fail2ban and monitoring — step by step.
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.
nftables firewall basics for Linux servers
nftables is the modern replacement for iptables. Learn its table/chain model and write a clean, readable firewall ruleset for a VPS from scratch.
UFW firewall basics: lock down your VPS
UFW makes Linux firewalling simple. Learn to allow SSH and web traffic, block everything else, and manage rules safely without locking yourself out.
How to set up SSH keys for passwordless, secure login
SSH keys are safer and more convenient than passwords. Learn to generate a key pair, copy it to your VPS, and log in without typing a password — the right way.
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