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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9 guides for “upgrade” in Security · Clear search
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 Install and Configure fail2ban
fail2ban watches your logs and automatically bans IPs that fail to log in too many times. Here's how to install it and write custom jails.
How to Harden SSH on a Linux VPS
A practical, copy-paste guide to locking down the SSH daemon on your VPS — the single most important service to secure on a public server.
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.
Securing your first Linux VPS: 10 steps
A fresh VPS is exposed to the whole internet within minutes. These ten practical steps lock it down without turning you into a full-time sysadmin.
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 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 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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