Enable 2FA for SSH Using Google Authenticator on Ubuntu 24.04
Learn how to enable two-factor authentication for SSH with Google Authenticator PAM module on Ubuntu 24.04. A practical guide to protect your VPS against unauthorized access.
Linux
How to connect to a Linux VPS for the first time via SSH
A step-by-step guide for beginners on connecting to your first Linux VPS using SSH from Windows, macOS, and Linux, with key setup, connection, and verification steps.
Security
Hardening SSH on a New VPS: Keys, Ports, fail2ban, and CrowdSec
A layered SSH hardening walkthrough for a fresh VPS: key-only auth, disabling root, a non-default port, and fail2ban or CrowdSec.