Install required Package
apt-get install -y sssd realmd sssd-tools sssd libnss-sss libpam-sss adcli packagekit
Domain controller : ldap.ldap.example.com
Domain : ldap.example.com
Realm : ldap.example.com
realm -v discover ldap.ldap.example.com
realm -v join ldap.ldap.example.com
TEST
