https://github.com/osixia/docker-phpLDAPadmin
ldapsearch -D "cn=admin,dc=example,dc=org" -w admin -p 389 -h localhost -b "dc=example,dc=org" -s sub "(objectclass=*)"
https://hub.docker.com/r/gcavalcante8808/krb5-server/
https://community.hortonworks.com/questions/179817/make-sandbox-kerberized.html
https://community.hortonworks.com/questions/2982/kerberos-adldap-and-ranger.html