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After setting up a fresh Ubuntu 24.04 VPS, the first priority is hardening it before hosting anything public. In this guide, I’ll walk through the essential steps: securing access with SSH keys, disabling password login, creating a non-root sudo user, enabling automatic updates, setting up a firewall, and adding brute-force protection with Fail2Ban. I’ve always wanted to own a VPS as a small corner of the internet where I could run web apps, test scripts, and learn by doing. But I could never quite justify the monthly cost or find the time to manage one. Instead, I stayed busy with virtual machines on my PC and laptop, which kept my curiosity satisfied for a while. ...