Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
enter the 'fingerprint' of the master node. You can get this information
by pressing the `Add` button on the master node.
+NOTE: Joining a cluster, with enabled two-factor authentication for the
+`root` user is not supported - remove the second factor while joining the
+cluster.
+
CAUTION: Node initialization deletes all existing databases, stops all
services accessing the database and then restarts them. Therefore, do
not add nodes which are already active and receive mail.
Users of the admin interface can configure two-factor authentication to
increase protection of their accounts.
+NOTE: Joining a cluster, with enabled two-factor authentication for the
+`root` user is not supported - remove the second factor while joining the
+cluster.
+
Available Second Factors
~~~~~~~~~~~~~~~~~~~~~~~~