GSSAPIKeyExchange yes
EOF
/etc/init.d/ssh reload
-# fix default_realm to ATHENA.MIT.EDU in /etc/krb5.conf
+# Set default realm to ATHENA.MIT.EDU
+printf "krb5-config\tkrb5-config/default_realm\tstring\tATHENA.MIT.EDU" | debconf-set-selections
+dpkg-reconfigure -fnoninteractive krb5-config
# install keytab
# install /root/.k5login
ntpdate