This documentation have been tested on CentOS 7. Install KDC # yum install -y krb5-server krb5-workstation pam_krb5 Hostname and resolving Set your hostname # hostnamectl set-hostname hanthana.ucsc.com verify your hostname # hostname Your domain should resolve. In case if you do not use dns service.. [danishka@kdc ~]$ cat /etc/hosts 192.168.1.101 hanthana.ucsc.com 127.0.0.1 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 Server Configuration # ls /var/kerberos/krb5kdc/ kadm5.acl kdc.conf ACL grant all privileges to anyone with admin role. Replace EXAMPLE.COM with your realm. # cd /var/kerberos/krb5kdc/ # cat kadm5.acl */admin@UCSC * # cat kdc.conf [kdcdefaults] kdc_ports = 88 kdc_tcp_ports = 88 [realms] UCSC.COM = { #master_key_type = aes256-cts acl_file = /var/kerberos/krb5kdc/kadm5.acl dict_file = /usr/share/dict/words admin_keytab = /var/kerberos/krb5kdc/kadm5.keytab supported_enctypes = aes256-c