Linux Server
Linux VPS guides: SSH keys, SSH port, firewall, swap, disk cleanup, aaPanel and free SSL websites.
Linux Server
Linux SSH Key Login: Set Up ed25519 Keys and Disable Password Authentication
Password logins are the number one target of SSH brute-force bots, and any server with a public IPv4 address starts seeing them within…
Linux Server
How to Change the SSH Port and Root Password on a Linux VPS Safely
Moving SSH off port 22 will not stop a determined attacker, but it removes most of the automated scanning noise from your logs, and a fresh…
Linux Server
Linux Firewall Setup: Configure UFW and firewalld on a VPS (IPv4 and IPv6)
A fresh Linux server answers on every port that a service happens to open, so a host firewall is one of the first things to configure. This…
Linux Server
How to Add Swap Space on a Linux VPS (512MB and 1GB Plans)
On a 512 MB or 1 GB cloud server, a database, a PHP-FPM pool and a package update can easily exceed the available RAM at the same moment.…
Linux Server
Linux Disk Full: How to Find and Free Disk Space on a VPS
"No space left on device" breaks almost everything on a server: databases stop writing, websites return errors, package updates fail and…
Linux Server
How to Install aaPanel on a VPS: aaPanel (BaoTa International) Installation and Security Guide
aaPanel, the international edition of the BaoTa panel, gives you a web interface for websites, databases, PHP versions, SSL certificates…
Linux Server
Free SSL Certificate for Your Website: Host a Site with Nginx and Let's Encrypt (Certbot) on Linux
Every public website should load over HTTPS, and a free SSL certificate from Let's Encrypt makes that easy. This guide shows how to host a…
