docker elastic search 设置密码，修改密码

设置密码

进入 elastic search 容器

docker exec -it elasticsearch /bin/bash

随机生成密码用auto， 自己设置用 interactive

[root@njfdkb4bmk3b elasticsearch]# ./bin/elasticsearch-setup-passwords -h
Sets the passwords for reserved users

Commands
--------
auto - Uses randomly generated passwords
interactive - Uses passwords entered by a user

Non-option arguments:
command              

Option             Description        
------             -----------        
-E <KeyValuePair>  Configure a setting
-h, --help         Show help          
-s, --silent       Show minimal output
-v, --verbose      Show verbose output

[root@cfeeab4bb0eb elasticsearch]# ./bin/elasticsearch-setup-passwords auto
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


Changed password for user apm_system
PASSWORD apm_system = YxVzeT9B2jEDUjYp66Ws

Changed password for user kibana
PASSWORD kibana = 8NnThbj0N02iDaTGhidU

Changed password for user logstash_system
PASSWORD logstash_system = 9nIDGe7KSV8SQidSk8Dj

Changed password for user beats_system
PASSWORD beats_system = qeuVaf1VEALpJHfEUOjJ

Changed password for user remote_monitoring_user
PASSWORD remote_monitoring_user = DtZCrCkVTZsinRn3tW3D

Changed password for user elastic
PASSWORD elastic = q5f2qNfUJQyvZPIz57MZ

忘记密码

进入es的机器·

docker exec -it elasticsearch /bin/bash

创建一个临时的超级用户 RyanMiao

./bin/elasticsearch-users useradd ryan -r superuser
Enter new password: 
ERROR: Invalid password...passwords must be at least [6] characters long
[root@cfeeab4bb0eb elasticsearch]# ./bin/elasticsearch-users useradd ryan -r superuser
Enter new password: 
Retype new password: 

用这个用户去修改elastic用户的密码：

curl -XPUT -u ryan:ryan123 http://localhost:9200/_xpack/security/user/elastic/_password -H 
"Content-Type: application/json" -d '
{
  "password": "q5f2qNfUJQyvZPIz57MZ"
}'

参考：http://www.likecs.com/show-99086.html