su - admin
Password:
su: warning: cannot change directory to /home/admin: No such file or directory
-bash-4.3$ klist
Ticket cache: KCM:972400000:17931
Default principal: admin@IPA.TEST

Valid starting       Expires              Service principal
08/02/2017 15:15:10  08/03/2017 15:15:10  krbtgt/IPA.TEST@IPA.TEST
-bash-4.3$ ls -l /mnt/nfsshare/*
-rw-r--r--. 1 admin@ipa.test admins@ipa.test 11 Aug  2 14:53 /mnt/nfsshare/adminsfile
-rw-r--r--. 1 nfsnobody      nfsnobody        4 Aug  2 14:52 /mnt/nfsshare/bar
-rw-r--r--. 1 root           root             4 Aug  1 18:57 /mnt/nfsshare/foo
-rw-r--r--. 1 admin@ipa.test admins@ipa.test 15 Aug  2 15:11 /mnt/nfsshare/test
-bash-4.3$ klist
Ticket cache: KCM:972400000:17931
Default principal: admin@IPA.TEST

Valid starting       Expires              Service principal
08/02/2017 15:15:10  08/03/2017 15:15:10  krbtgt/IPA.TEST@IPA.TEST
08/02/2017 15:15:40  08/03/2017 15:15:10  nfs/unidirect.ipa.test@IPA.TEST