1.es安装至少需要java 8,官方建议jdk版本1.80y131.
java -version
2.es安装包下载
curl -L -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.2.4.tar.gz
tar -xvf elasticsearch-6.2.4.tar.gz
cd elasticsearch-6.2.4/bin
./elasticsearch
web 访问ip:9200 验证.