1.開啟遠端連線

#network.host: 192.168.0.1 
networ.host: 192.168.5.82 <--修改為本機iP，或者0.0.0.0

2.報錯max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]

需要修改/etc/security/limits.conf配置檔案，新增如下內容：

# vim /etc/security/limits.conf 
* soft nofile 65536
* hard nofile 131072
* soft nproc 2048
* hard nproc 4096
 

3.報錯max number of threads [1024] for user [elsearch] is too low, increase to at least [2048]

修改/etc/security/limits.d/90-nproc.conf配置檔案，修改內容如下： 

# vim /etc/security/limits.d/90-nproc.conf
* soft nproc 1024
#修改為
* soft nproc 2048

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

修改配置檔案/etc/sysctl.conf，修改內容如下：

# vim /etc/sysctl.conf
新增下面配置：
vm.max_map_count = 655360

在elasticsearch.yml中配置bootstrap.system_call_filter為false，注意要在Memory下面:

bootstrap.memory_lock: false
bootstrap.system_call_filter: false