1) Edit /etc/krb5.conf    ( see lcls-srv20: /etc/krb5.conf )

2) Run: authconfig   ( an interface for configuring system authentication resources )

  3)/etc/ssh/ssh_config   ( or a ~/.ssh/config )

• GSSAPIAuthentication yes
• GSSAPIDelegateCredentials yes

4) Create a .k5login file in your home directory with this one line

     (replace "slac_id" with your current id, Realm must be UPPER CASE).

• slac_id@SLAC.STANFORD.EDU
• Only the owner has write privilege