版本问题:

ubuntu安装elasticsearch_java


​​elasticsearch查询QueryBuilders详解(es7.80)​

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#下载Java
#查看版本
java -version
#下载压缩包
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.4.0.tar.gz
#解压
tar -zxvf elasticsearch-6.4.0.tar.gz -C /usr/local/

修改配置文件:

vi /usr/local/elasticsearch-6.4.0/config/elasticsearch.yml
#修改network.host为 0.0.0.0
network.host: 0.0.0.0
#修改http.port为 9200
http.port: 9200

由于安全机制,需要用非root用户启动:

adduser name

ubuntu安装elasticsearch_大数据_02

#赋予权限
chown -R name /usr/local/elasticsearch-6.4.0/
sysctl -w vm.max_map_count=262144
vi /usr/local/elasticsearch-6.4.0/config/jvm.option 
#把1g改成512m
[root@localhost ~]# vim /etc/security/limits.conf
在文件的末尾加上
elasticsearch soft nofile 65536
elasticsearch hard nofile 65536
elasticsearch soft nproc 4096
elasticsearch hard nproc 4096

输入:

sysctl -p

启动:

su name
/usr/local/elasticsearch-6.4.0$ ./bin/elasticsearch

ubuntu安装elasticsearch_java_03

ubuntu安装elasticsearch_大数据_04

打开浏览器:

ubuntu安装elasticsearch_java_05