问题:本机可以访问,外网无法访问 config/elasticsearch.yml network.host: 0.0.0.0 使用普通用户zuoys,重启es,报错如下: [1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536] [root@cent7-zuoys config]# su root [root@cent7-zuoys config]# v