why does zmhostname return...

[eMarv]

-n

that's it. nothing else.

how can I change it if I can't even start zimbra at the moment?

Thanks!

[djdelossantos]

-n

that's it. nothing else.

how can I change it if I can't even start zimbra at the moment?

Thanks!

wow no one answered this. this is my same concern at the moment. hope someone answers this.

[phoenix]

wow no one answered this. this is my same concern at the moment. hope someone answers this.

For the simple reason that they've set the hostname incorrectly, exactly the same as you've done on your installation. Installing Zimbra requires a correctly configured /etc/hosts file and valid (and correct) DNS A & MX records, if they're correct then it's a trivial matter to install Zimbra.