【ELK】之Centos6.9_x64安装elasticsearch6.2.1

1、下载elasticsearch6.2.1

wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.2.1.tar.gz

2、解压安装

3、启动

因为es为防止远程执行一些脚本，所以启动需要建立一个新的grouop 和user

直接进入bin目录启动

./elasticsearch -d  后台启动

可能出现的问题，

seccomp unavailable: CONFIG_SECCOMP not compiled into kernel, CONFIG_SECCOMP and CONFIG_SECCOMP_FILTER are needed

bootstrap.memory_lock: false
bootstrap.system_call_filter: false

[1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]

vim /etc/security/limits.conf，在文件最后加上

* soft nproc  

* hard nproc  

* soft nofile 

* hard nofile 

[2]: max number of threads [1024] for user [es] is too low, increase to at least [4096]

vim /etc/security/limits.d/90-nproc.conf

*   soft    nproc     

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

vim  /etc/sysctl.conf ，在文件最后面加上

vm.max_map_count=

使用docker 启动 es6.6.2

总是报下面错误，修改各种系统参数都不行

使用如下命令即可。

docker run --name es2 --ulimit nofile=: -e "ES_JAVA_OPTS=-Xms512m -Xmx512m" -e "bootstrap.memory_lock=false" \
 -e "bootstrap.system_call_filter=false" -e "network.host=0.0.0.0" -e "http.cors.enabled=true" -e http.cors.allow-origin="*"  -p : -p : -d elasticsearch:6.6.