[2020-07-01T10:52:34,186][INFO ][o.e.b.BootstrapChecks ] [NZ4x2Hx] bound or publishing to a non-l

修改elasticsearch.yml配置文件，允許外網訪問。

vim config/elasticsearch.yml

增加

network.host: 0.0.0.0

啓動失敗，檢查沒有通過，報錯

[2018-05-18T17:44:59,658][INFO ][o.e.b.BootstrapChecks ] [gFOuNlS] bound or publishing to a non-loopback address, enforcing bootstrap checks
ERROR: [2] bootstrap checks failed
[1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]

[2]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

[1]: max file descriptors [65535] for elasticsearch process is too low, increase to at least [65536]

切換到root用戶

編輯 /etc/security/limits.conf，追加以下內容；

• soft nofile 65536
• hard nofile 65536
  此文件修改後需要重新登錄用戶，纔會生效
  [2]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

編輯 /etc/sysctl.conf，追加以下內容：
vm.max_map_count=655360
保存後，執行：
sysctl -p

重新啓動，成功。
bin/elasticsearch -d