windows环境下，安装elasticsearch

前言

• win10
• elasticsearch 8.9.0

准备

安装 jdk

ElasticSearch 是基于lucence开发的，也就是运行需要java jdk支持。
ElasticSearch 8.9.0 自带 OpenJDK ，无需再安装jdk。

安装nodejs

在Windows系统安装Nodejs

ElasticSearch下载

下载安装包：https://www.elastic.co/downloads/elasticsearch

ElasticSearch-head 下载

下载源码：https://github.com/mobz/elasticsearch-head

安装ElasticSearch

1. 下载安装包后解压

2. 修改 ES/config/elasticsearch.yml 文件

   xpack.security.enabled: false
   xpack.security.http.ssl.enabled: false
   http.cors:enabled: trueallow-origin: "*"
   

3. 进入bin目录下,双击执行elasticsearch.bat

4. 看到started说明启动成功,打开浏览器测试一下,如下图

http://localhost:9200

安装ElasticSearch-head插件

1. 解压源码
   
2. 进入 elasticsearch-head 目录，执行命令：npm install （如果报错，尝试：npm install phantomjs-prebuilt@2.1.16 --ignore-scripts）
3. 启动：npm run start
4. 打开： http://localhost:9100/

设置用户名密码访问

1. 修改 ES/config/elasticsearch.yml 文件

   xpack.security.enabled: true
   http.cors:enabled: trueallow-origin: "*"allow-headers: Authorization,X-Requested-With,Content-Length,Content-Type
   

2. 重启elasticsearch

3. elasticsearch 8.9.0 默认情况下，elastic 的用户已存在且已设置了密码，需要执行命令重置密码：

   cmd> elasticsearch-reset-password.bat -u elastic
   warning: ignoring JAVA_HOME=C:\Program Files\Java\jdk1.8.0_144; using bundled JDK
   This tool will reset the password of the [elastic] user to an autogenerated value.
   The password will be printed in the console.
   Please confirm that you would like to continue [y/N]yPassword for the [elastic] user successfully reset.
   New value: qh1rG*****************
   

4. 打开： http://localhost:9200
   

5. 打开ElasticSearch-head ： http://localhost:9100/?auth_user=elastic&auth_password=changeme
   

ElasticSearch 默认用户名和密码

user: elastic 
password: changeme 

参考

https://www.cnblogs.com/hualess/p/11540477.html
https://blog.csdn.net/shen198623/article/details/123045793
https://blog.csdn.net/fenghuibian/article/details/86585344
https://blog.csdn.net/qq_35349114/article/details/100096115
https://huaweicloud.csdn.net/637ef507df016f70ae4ca581.html