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 first
Security · 5 min read ·

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.

Security · 5 min read ·

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.

Security · 6 min read ·

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.

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.

Security · 5 min read ·

How to Self-Host a Password Manager on a VPS

Which self-hosted password manager should you run, and how? Compare Vaultwarden, KeePass sync and Passbolt, then deploy your pick on a VPS with HTTPS.

Security · 5 min read ·

How to Self-Host Vaultwarden (Bitwarden-Compatible) on a VPS

Run your own password vault with Vaultwarden, a lightweight server that works with every official Bitwarden app. Docker install with HTTPS in minutes.

Security · 5 min read ·

How to Set Up an OpenVPN Server on a VPS

OpenVPN is the compatibility king of VPNs. This guide uses a proven installer to stand up a server on a VPS and export client profiles in minutes.

Security · 5 min read ·

How to Set Up a WireGuard VPN Server on a VPS

Roll your own private VPN with WireGuard — fast, modern and easy to manage. This guide uses a web UI so you add devices by scanning a QR code.

Security · 4 min read ·

How to Secure a WordPress Site on a VPS

Running WordPress on your own VPS means owning its security — which is a good thing. This practical checklist locks down the server, PHP and WordPress itself.

Security · 4 min read ·

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.

Security · 2 min read ·

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.

Security · 4 min read ·

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.

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