WordPress MU

hello my friends

can I change domain to another for wordpress mu

for example

i want to change my wordpress mu domain from domain.net to domain.com

can i do that?

A quick search for "change domain" shows this thread with a solution to your problem. A number of other threads also exist on the subject.

thank you
please i can't use Multi-Site Manager plugin , cause i have lost my first domain

now my site without any domain, and i want to change old domain for my wpmu

any idea?

You can add in an entry locally to your hosts file and have the domain respond to you for the time being. If you tell us what you;re running on your home computer, someone will be able to help you with that.