Create MIT Kerberos keytab file

terje@hellstorm:~/private$ ktutil
ktutil:  addent -password -p ciadm@CERN.CH -k 1 -e rc4-hmac
Password for ciadm@CERN.CH: 
ktutil:  addent -password -p ciadm@CERN.CH -k 1 -e aes256-cts
Password for ciadm@CERN.CH: 
ktutil:  wkt ciadm.keytab
ktutil:  quit

Init kerberos + afs ticket using keytab file

kinit ciadm@CERN.CH -k -t ~/private/ciadm.keytab
aklog

Merge two (or more) keytabs:

ktutil:  read_kt tanderse.keytab
ktutil:  read_kt ciadm.keytab
ktutil:  write_kt terje.keytab
ktutil:  quit

List the keys in a keytab:

terje@hellstorm:~/private$ klist -k terje.keytab 
Keytab name: FILE:terje.keytab
KVNO Principal
---- --------------------------------------------------------------------------
   1 tanderse@CERN.CH
   1 tanderse@CERN.CH
   1 ciadm@CERN.CH
   1 ciadm@CERN.CH