The following is an example of the zhostid program, Here we run it in the background, then check the hostids for our zones, global# ./zhostid & [1] 7811 global# global# zoneadm list -cv ID NAME STATUS PATH 0 global running / 2 workzone1 running /export/workzone1 global# global# hostid 12345678 global# global# zlogin workzone1 [Connected to zone 'workzone1' pts/10] Last login: Tue Jun 21 03:51:10 on pts/10 Sun Microsystems Inc. SunOS 5.10 Generic January 2005 # # hostid 90abcdef # # ^D [Connection to zone 'workzone1' pts/10 closed] Both hostids have been changed to different values, as specified in the zhostid script itself.