ElasticSearch外网访问9200端口

解决ES部署后外网无法访问问题。

第一步、修改ElasticSearch根目录下的config文件夹下的elasticsearch.yml文件,如图

  ElasticSearch外网访问9200端口_第1张图片

 

  现在启动服务你会发现出现3个错误

  

elasticsearch 5.1 安装过程中遇到了一些问题做一些记录。
 
问题一:警告提示
[2016-12-20T22:37:28,543][INFO ][o.e.b.BootstrapCheck     ] [elk-node1] bound or publishing to a non-loopback or non-link-local address, enforcing bootstrap checks
[2016-12-20T22:37:28,552][ERROR][o.e.b.Bootstrap          ] [elk-node1] node validation exception
bootstrap checks failed
max number of threads [1024] for user [elasticsearch] is too low, increase to at least [2048]
[2016-12-20T22:37:28,560][INFO ][o.e.n.Node               ] [elk-node1] stopping ...
[2016-12-20T22:37:28,628][INFO ][o.e.n.Node               ] [elk-node1] stopped
[2016-12-20T22:37:28,629][INFO ][o.e.n.Node               ] [elk-node1] closing ...
[2016-12-20T22:37:28,677][INFO ][o.e.n.Node               ] [elk-node1] closed
 
报了一大串错误,其实只是一个警告。
 
解决:使用新的linux版本,就不会出现此类问题了。
 
问题二:ERROR: bootstrap checks failed
max file descriptors [4096] for elasticsearch process likely too low, increase to at least [65536]
max number of threads [1024] for user [lishang] likely too low, increase to at least [2048]
解决:切换到root用户,编辑limits.conf 添加类似如下内容
vi /etc/security/limits.conf 
 
添加如下内容:
 
* soft nofile 65536
* hard nofile 131072
* soft nproc 2048
* hard nproc 4096
 
问题三:max number of threads [1024] for user [lish] likely too low, increase to at least [2048]
 
解决:切换到root用户,进入limits.d目录下修改配置文件。
vi /etc/security/limits.d/90-nproc.conf 
修改如下内容:
 
* soft nproc 1024
#修改为
* soft nproc 2048
 
问题四:max virtual memory areas vm.max_map_count [65530] likely too low, increase to at least [262144]
 
解决:切换到root用户修改配置sysctl.conf
 
vi /etc/sysctl.conf 
添加下面配置:
vm.max_map_count=655360
并执行命令:
sysctl -p
然后,重新启动elasticsearch,即可启动成功。

 

然后在本机上输入本机ip:9200测试即可

  

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