elasticsearch 安装 操作系统:CentOS Linux release 7.4 elasticsearch：elasticsearch-7.1.1 es7+centos7 1.软件下载 wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.1.1-linux-x86_64.tar.gz 2.修改/etc/hosts 192.168.42.40 cs1 192.168.42.45 cs2 192.168.42.46 cs3 3.cs1,cs2,cs3修改elasticsearch.yml cluster.name: mmm node.name: cs1 network.host: 0.0.0.0 discovery.seed_hosts: ["cs1", "cs2","cs3"] cluster.initial_master_nodes: ["cs1","cs2","cs3"] http.cors.enabled: true http.cors.allow-origin: "*" 4.启动elasticsearch cd /usr/local/es7 ./bin/elasticsearch 5.安装elasticsearch-head elasticsearch-head是es的客户端工具