cp -r elasticsearch-2.4.4 elasticsearch-2.4.4-2
mv elasticsearch-2.4.4 elasticsearch-2.4.4-1
总共cp了三个es节点
分别修改每个节点的配置文件
egrep -v "^$|^#" elasticsearch.yml
/usr/local/elk/elasticsearch-2.4.4-2/bin/elasticsearch -Des.insecure.allow.root=true -d
分别启动单个节点