1.Search Guard（安全認證）
切換到elasticsearch目錄，通過使用elasticsearch plugin命令安裝Search Guard插件
./bin/elasticsearch-plugin install -b com.floragunn:search-guard-6:<version>
<version>參數(shù)參考: https://github.com/floragunncom/search-guard/wiki
例：./bin/elasticsearch-plugin install -b com.floragunn:search-guard-6:6.6.2-24.2
切換到elasticsearch目錄涩金，通過使用elasticsearch plugin命令安裝IK插件
./bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v<version>/elasticsearch-analysis-ik-<version>.zip
<version>參數(shù)參考: https://github.com/medcl/elasticsearch-analysis-ik/releases
例：./bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.6.2/elasticsearch-analysis-ik-6.6.2.zip
