安装ElasticSearch

设置用户

useradd kevin
passwd kevin

将kevin设置为超级用户，需要配置/etc/sudoers

kevin   ALL=(root)      NOPASSWD:ALL

切换用户到kevin

安装ElasticSearch 5.5.2

tar xzvf elasticsearch-5.5.2.tar.gz elasticsearch-5.5.2

启动ElasticSearch

./bin/elasticsearch

验证服务是否启动成功

curl localhost:9200