ElasticSearch设置用户名密码访问

1, 启动trial license（30天试用）

curl -H "Content-Type:application/json" -XPOST  http://127.0.0.1:19200/_xpack/license/start_trial?acknowledge=true
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2，设置用户名和密码

bin/elasticsearch-setup-passwords interactive
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3，如果发现如下错误提示

org.elasticsearch.ElasticsearchException: Security must be explicitly enabled when using a trial license. Enable security by setting [xpack.security.enabled] to [true] in the elasticsearch.yml file and restart the node
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4, 那么就需要在配置文件中开启x-pack验证, 修改config目录下面的elasticsearch.yml文件，在里面添加如下内容,并重启

 xpack.security.enabled: true
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5，再次执行设置用户名和密码的命令,这里需要为4个用户分别设置密码，elastic, kibana, logstash_system,beats_system

bin/elasticsearch-setup-passwords interactive
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Initiating the setup of passwords for reserved users elastic,kibana,logstash_system,beats_system.
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]: 
passwords must be at least [6] characters long
Try again.
Enter password for [elastic]: 
Reenter password for [elastic]: 
Passwords do not match.
Try again.
Enter password for [elastic]: 
Reenter password for [elastic]: 
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]: 
Changed password for user [kibana]
Changed password for user [logstash_system]
Changed password for user [beats_system]
Changed password for user [elastic]
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6，修改密码命令如下

curl -H "Content-Type:application/json" -XPOST -u elastic 'http://127.0.0.1:9200/_xpack/security/user/elastic/_password' -d '{ "password" : "123456" }'
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7，修改kibana配置文件,config下的kibana.yml,添加如下内容

elasticsearch.username: "elastic"
elasticsearch.password: "123456"
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转载于:https://juejin.im/post/5c9c58fa5188250ef95d8b3c