How to change root login timeout on a Gateway OVA image

Document ID : KB000097877
Last Modified Date : 10/08/2018
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Is there a way to extend the 10 minute timeout of root shell logins when using the OVA image ?
For the ssh session timeout you can increase the ClientAliveInterval  in the /etc/sshd.config   the default is 840
You need to restart the sshd daemon to get this active .

service sshd restart