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Secure Root Login with SSH Keys

Secure Root Login with SSH Keys

  1. Create a key on your PC: ssh-keygen -t ed25519
  2. Copy it: ssh-copy-id root@YOUR_IP or paste into ~/.ssh/authorized_keys.
  3. In /etc/ssh/sshd_config, set PasswordAuthentication no, then systemctl reload sshd.

  • dedicated server, reboot

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