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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198 guides for “sudo” · Clear searchThe best VPS for developers: what to look for
Developers need root, speed and flexibility. Here's what actually matters when choosing a VPS for coding, testing and deploying — and how to set it up fast.
The in-browser terminal: build straight from your server
No SSH client, no local setup — open a full terminal to your VPS right in the browser and build from any device, even a tablet. Here's what it unlocks.
Linux swap and OOM tuning for small VPS plans
Out of memory? Learn how swap works, how to add a swap file, tune swappiness, and understand the OOM killer so your small VPS stays stable under pressure.
How to back up a VPS (and actually restore it)
A backup you can't restore is worthless. Learn the layers of VPS backups — snapshots, file backups and database dumps — plus how to automate and test them.
How to monitor server resources on Linux
Know what your VPS is doing. Learn the essential commands for CPU, memory, disk and network, plus lightweight tools to watch usage over time.
How 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.
Diagnosing 'connection refused' errors
'Connection refused' is one of the most misread errors in networking. Here's what it actually means, how it differs from a timeout, and a step-by-step fix.
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 get free SSL for a custom domain
The padlock is free and automatic with Let's Encrypt. Here's how HTTPS certificates work and how to secure your custom domain at no cost.
How to point a domain at your VPS
Bought a domain and spun up a server? The last step is connecting them. Here's exactly how to point a domain at your VPS with A records — and verify it worked.
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.
Common ports every developer should know (22, 80, 443, 3306…)
You don't need to memorise all 65,535 ports — just the ones that come up daily. Here's the working developer's reference to the ports you'll actually use.
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