I found it necessary to troubleshoot a problem enabling kerberos to modify the ambari server and cluster boxes /etc/hostname from name.example.com to name.corp.example.com
I also edited the /etc/hosts on all to reflect accordingly.
I also ran ambari-server setup-security and option 1 to DISABLE the https.
Enter choice, (1-5): 1
Do you want to disable HTTPS [y/n] (n)? y
Ambari server URL changed. To make use of the Tez View in Ambari please update the property tez.tez-ui.history-url.base in tez-site
Adjusting ambari-server permissions and ownership...
NOTE: Restart Ambari Server to apply changes ("ambari-server restart|stop+start")
restarted the ambari service #ambari-server restart|
Now I get the login page on port 8- butif I try to login as admin the screen just freezes and mouse cursor becomes circle with line through it.
Any suggestions welcome to get back to admin able to log in.