install server
yum install krb5-server
and if the libs are not installed
yum install krb5-libs
copy krb5.conf to /etc/
copy kdc.conf to /var/kerberos/krb5kdc
copy kadm5.acl to /var/kerberos/krb5kdc/
init the database and admin principals.
kdb5_util create -s
add an admin principal
kadmin.local
while running kadmin.local enter
addprinc master/admin
turn off iptables
start the service with init scripts
/etc/rc.d/init.d/krb5kdc start
/etc/rc.d/init.d/kadmin start
test it out
kinit master/admin
kadmin
a8b62e799c