By default, the OpenSolaris 2008.05 installer creates the userid that 
you specify and does *not* create a root userid.  Instead, as the error 
message indicates, root is a role.  This is because OpenSolaris uses 
Role Based Access Control (RBAC). 

Note that the installer does assign the root role to the userid that you 
specified during installation.  So if you login with that userid you can 
then use su to assume the root role (uid=0).

See http://dlc.sun.com/osol/docs/content/IPS/login.html for more 
information.  In particular, it includes the command that you would use 
to change root from a role to a normal user:

  # rolemod -K type=normal root

HTH,
Gregg


Duyen Dao wrote:
> I has just installed open solaris 2008.05 - 
> after installed, I cannot login as root. when i login , i receives the 
> message. " roles can be assumed by authorized users". How  do I login as root 
> directly ? . Secondly, when I su to root, I cannot run firefox. the error is 
> unable to get display ....
> Is there ways to have root login ? Thanks. - daoduyen
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