How to connect via SSH as root with a password or key
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Updated at November 27, 2023
Scenario description
You need to connect via SSH from root with a password or key.
Solution
Connecting with a key
Connecting with a password.
To connect via SSH with a key, make sure that the /root/.ssh/authorized_keys file contains only the key. Everything preceding the key needs to be deleted.
To connect via SSH with a password:
-
Create a password for root using the
sudo passwd rootcommand. -
The
/root/.ssh/authorized_keysfile must be empty or contain only the key. If the key does not match, the file will request a password. -
The
/etc/ssh/sshd_config.d/50-cloud-init.conffile must contain:
PasswordAuthentication yes
PermitRootLogin yes