> image (prior to cloning). I have heard that a package called NIS, installed on > an NFS server, is used for this but don't know anything about it. I would not > want to manage the userid/passwords for Linux on each image separately and am > looking for a way to centralize the managment.
NIS and LDAP are normally the systems used to do distributed user management. LDAP is a cross os, cross platform standard. NIS likewise although NIS is rarely deployed in non unix worlds
