Installing Authentication Services on a node and need to add the host IP in DNS via the command line.
Use the Authentication Services tool "dnsupdate" that comes with the package located in the client folder.
The dnsupdate tool finds the nearest working Active Directory DNS server and securely updates the current host's DNS entry.
It can be installed manually or with the install.sh script "./install.sh quest-dnsupdate"
The syntax to run the tool is:
/opt/quest/sbin/dnsupate <ip address of system>