1. Configure Samba and Kerberos using smb.conf and krb5.conf
  2. Set up resolv.conf to use Active Directory as the machines DNS server
  3. It should now be possible to join the AD domain with (replace Administrator with your user):
    net ads join -U Administrator
  4. Start winbind with 'winbindd' or use the machines service handler.
  5. If should now be possible to verify the connection with: 'wbinfo -p'
  6. And to authorise a user: 'ntlm_auth --username <your user> --domain <your domain>'
  7. Profit!