1. 啟動 elasticsearch 命令：

[root@localhost bin]$ ./elasticsearch-7.6.2/bin/elasticsearch -d

2. 停止 elasticsearch 命令：

首先需要利用JAVA的 jps 命令工具，查看到 Elasticserach的進程ID，再用 kill 命令殺進程

[tangjunhua@localhost bin]$ jps 30180 Jps 29417 Elasticsearch[tangjunhua@localhost bin]$ kill -9 29417

3. 更改密碼

首先，需要修改elasticsearch.yml的配置文件，增加?discovery.type: single-node，否則會報錯。

[tangjunhua@localhost bin]$ vim ../config/elasticsearch.ymlxpack.security.enabled: true discovery.type: single-node[tangjunhua@localhost bin]$ ./elasticsearch-setup-passwords interactive You will be prompted to enter passwords as the process progresses. Please confirm that you would like to continue [y/N]yEnter 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]:

?

?

總結

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