[Distributed] Elasticsearch search engine of open Elasticsearch username password authentication

A first opening in elasticsearch x-pack configuration file validated, the directory elasticsearch.yml modify config file, add the following in the inside, and reboot

 xpack.security.enabled: true

Second, the implementation elasticsearch-setup-passwords interactive elasticsearch command in the bin, elasticsearch-setup-passwords are elasticsearch command-line tool to set a password, it has been built interactively setting a password for each user

➜ sh elasticsearch-setup-passwords interactive
Initiating the setup of passwords for reserved users elastic,apm_system,kibana,logstash_system,beats_system,remote_monitoring_user.
You will be prompted to enter passwords as the process progresses.
Please confirm that you would like to continue [y/N]y


Enter password for [elastic]:
Reenter password for [elastic]:
Enter password for [apm_system]:
Reenter password for [apm_system]:
Enter password for [kibana]:
Reenter password for [kibana]:
Enter password for [logstash_system]:
Reenter password for [logstash_system]:
Enter password for [beats_system]:
Reenter password for [beats_system]:
Enter password for [remote_monitoring_user]:
Reenter password for [remote_monitoring_user]:
Changed password for user [apm_system]
Changed password for user [kibana]
Changed password for user [logstash_system]
Changed password for user [beats_system]
Changed password for user [remote_monitoring_user]
Changed password for user [elastic]

Third, the configuration kibana, so that it can access elasticsearch

Kibana modify configuration files, kibana.yml under config, add the following

elasticsearch.username: "elastic"
elasticsearch.password: "123456"