给docker创建的elasticsearch容器添加密码简单步骤，


目录
  • 一、修改配置文件
  • 二、设置用户密码
  • 三、验证
  • 附：docker elasticsearch 设置随机密码
  • 总结 

一、修改配置文件

1.进入容器

docker exec -it elasticsearch bash

2.启用认证

vi config/elasticsearch.yml#添加如下内容

http.cors.enabled: true
http.cors.allow-origin: "*"
http.cors.allow-headers: Authorization
xpack.security.enabled: true
xpack.security.transport.ssl.enabled: true

3.保存后，退出容器，重启ES

docker restart elasticsearch

二、设置用户密码

1.上一步重启ES容器后，再次进入容器：

docker exec -it elasticsearch /bin/bash

2.再次进入容器后，执行以下命令

./bin/elasticsearch-setup-passwords interactive

出现：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]

上边英文大概的意思是：你如果确定开启密码的话，需要设置以下六种账户的密码（建议设置成一样的）

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]

3.完成以上的设置后，需要再次重启ES容器

docker restart es

三、验证

http://127.0.0.1:9200/

附：docker elasticsearch 设置随机密码

1. 进入容器内部， 我es 服务得命名为elasticsearch，改为你自己命名得es容器即可 

docker exec -it elasticsearch /bin/bash		# 进入容器内部

2. 进入配置文件夹

cd config/

 3. 在elasticsearch.yml 添加下面得内容， 编辑命令 vi elasticserch.yml  

xpack.security.enabled: true
xpack.license.self_generated.type: basic
xpack.security.transport.ssl.enabled: true

4.  重启服务,并再次进入容器内部

docker restart elasticsearch

5. 输入自动生成密码命令即可 生成密码

# 查看密码生成策略
./bin/elasticsearch-setup-passwords -h

# 这个为自动生成密码 命令
./bin/elasticsearch-setup-passwords auto

出现这个选择 输入y
Initiating the setup of passwords for reserved users elastic,apm_system,kibana,logstash_system,beats_system,remote_monitoring_user.
The passwords will be randomly generated and printed to the console.
Please confirm that you would like to continue [y/N]y

总结 

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