SSH is the backbone of remote access on Linux systems—and if you're running Ubuntu, enabling SSH is often one of the first things you'll do. But enabling it securely is what really matters. From installing OpenSSH and adjusting firewalls to enforcing key-based authentication and disabling root login, a secure setup takes more than just flipping a switch .This guide walks you through every step, plus how to make SSH access safer and simpler with centralized control, just-in-time access, and full
