命令样例如下：
curl -X GET "https://localhost:9200/_cat/master?v=true&pretty" --cacert $ES_HOME/config/certs/http_ca.crt -u "elastic:ohCxPH=QBE+s5=*lo7F9"
执行结果输出如下：
id host ip node
aKgBu7LgS9a6iPYH8n2JPw 127.0.0.1 127.0.0.1 jackie-ubuntu
查看帮助，命令如下：
curl -X GET "https://localhost:9200/_cat/master?v=true&help=true&pretty" --cacert $ES_HOME/config/certs/http_ca.crt -u "elastic:ohCxPH=QBE+s5=*lo7F9"
执行结果输出如下：
id | | node id
host | h | host name
ip | | ip address
node | n | node name
相关资料
标签：node,ip,cat,API,ElasticSearch,master,id From： https://www.cnblogs.com/jackieathome/p/17862851.html