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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How to Scan a Linux Server for Malware (rkhunter, ClamAV)
Even hardened servers get probed. Learn to scan for rootkits and malware with rkhunter and ClamAV, read the results, and respond to a real detection.
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.
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 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.
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.
How to Set Up DKIM on a Self-Hosted Mail Server
Generate a DKIM key, publish it in DNS and sign outgoing mail on your own Postfix server with OpenDKIM. The full command-by-command walkthrough.
How to Verify Your Domain for Email Sending
Before a service like SendGrid, Mailgun or Google can send as your domain, you must verify it in DNS. Here's what each record does and how to get verified fast.
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.
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.
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.
How to Create a Staging Subdomain for Your Site
Test changes safely on staging.yourdomain.com before they hit production. Here's the DNS, the web-server config, the SSL, and how to keep bots and Google out.
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