How to change vcenter server appliance IP from command line?

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http://serverfault.com – I have installed a Vcenter 5.1 on a system netowrk, and gave it an internal IP. This server (Dell R620) than had to go to a remote hosting location. That gave me a totally different IP and sub network. Now, what I need to do, is be able to change the Vcenter server it's IP to the one I can remotely connect to. Now, I can only Launch the Console of the appliance from within the Host machine itself. I am looking on how to change the appliance IP using command line (logged in as root) (HowTos)