Linux系统下安装ElasticSearch

一、228环境ES使用安装

1、检验ES服务是否安装成功的方法

（1）查看Elasticsearch进程是否成功

ps -ef|grep elasticsearch

（2）linux elasticsearch下访问（curl带认证访问）

curl --user elastic:Zhes.13DSWJWE3dfdd9098 -XGET 'localhost:9200'

2、elasticsearch-7.8 跟查询elasticsearch-head插件版本的对应的关系

3、elasticsearch-head插件中访问:http://192.168.2.228:9200/

关闭elasticsearch.yml 配置文件中设置为false: xpack.security.enabled: false

wget https://nodejs.org/dist/v10.16.3/node-v10.16.3-linux-x64.tar.xz

4、elasticsearch-head插件后台运行:nohup npm run start &

5、elasticsearch-head 工具的使用

(1)elasticsearch-head添加mapping (这个里面的结构是对查询条件类型的设置)，需要熟悉es的相关语法，才可以写出

(2)给索引添加mapping

{"settings":{"index":{"index.number_of_shards":3,"number_of_replicas":0}},"mappings":{"properties":{"baseId":{"type":"keyword"},"title":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256},"suggest":{"type":"completion","analyzer":"standard","preserve_separators":true,"preserve_position_increments":true,"max_input_length":50}},"analyzer":"standard"},"type":{"type":"keyword"},"newType":{"type":"keyword"},"creator":{"type":"keyword"},"creatorName":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}},"analyzer":"standard"},"place":{"type":"keyword"},"province":{"type":"keyword"},"city":{"type":"keyword"},"district":{"type":"keyword"},"dept":{"type":"nested","properties":{"baseId":{"type":"keyword"}}},"policyType":{"type":"nested","properties":{"baseId":{"type":"keyword"}}},"supportmode":{"type":"nested","properties":{"baseId":{"type":"keyword"}}},"tag":{"type":"nested","properties":{"baseId":{"type":"keyword"}}},"viewCount":{"type":"integer"},"auditState":{"type":"integer"},"longAuditTime":{"type":"long"},"longBaseCreateTime":{"type":"long"},"baseCreateTime":{"type":"date"},"isTop":{"type":"boolean"},"topSort":{"type":"long"},"content":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}},"analyzer":"standard"}}}}

（3）elasticsearch-head工具创建带有mapping结构的索引

{"mappings":{"properties":{"baseId":{"type":"keyword"},"title":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256},"suggest":{"type":"completion","analyzer":"standard","preserve_separators":true,"preserve_position_increments":true,"max_input_length":50}},"analyzer":"standard"},"type":{"type":"keyword"},"newType":{"type":"keyword"},"creator":{"type":"keyword"},"creatorName":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}},"analyzer":"standard"},"place":{"type":"keyword"},"province":{"type":"keyword"},"city":{"type":"keyword"},"district":{"type":"keyword"},"dept":{"type":"nested","properties":{"baseId":{"type":"keyword"}}},"policyType":{"type":"nested","properties":{"baseId":{"type":"keyword"}}},"supportmode":{"type":"nested","properties":{"baseId":{"type":"keyword"}}},"tag":{"type":"nested","properties":{"baseId":{"type":"keyword"}}},"viewCount":{"type":"integer"},"auditState":{"type":"integer"},"longAuditTime":{"type":"long"},"longBaseCreateTime":{"type":"long"},"baseCreateTime":{"type":"date"},"isTop":{"type":"boolean"},"topSort":{"type":"long"},"content":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}},"analyzer":"standard"}}}}