Enable VPS access via root password

The server provider YottaHost by default only allows SSH access to the VPS using public key authentication, SSH password access is disabled.

SFTP is a protocol that works over SSH, so this means that SFTP using passwords will not work by default when SSH password authentication is disabled.

To enable SSH password authentication, you must login as root via SSH (VNC) to edit this file:

/etc/ssh/sshd_config

Then, change the line

PasswordAuthentication no

to

PasswordAuthentication yes

For Ubuntu you also need to make the following changes

#PermitRootLogin prohibit-password

to

PermitRootLogin yes

After making that change, restart the SSH service by running the following command as root:

systemctl restart sshd

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