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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7 guides for “terminal” in Security · Clear search
How to Add Two-Factor Authentication to SSH
Add a time-based one-time code on top of your SSH key for defence in depth. Set up Google Authenticator PAM without locking yourself out.
How to Disable Root Login on a VPS
The root account is every attacker's first guess. Learn to create a sudo user and disable direct root login over SSH — safely, without locking yourself out.
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.
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 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.
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.
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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