Elasticsearch安装

下载

wget “https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.1.2.zip”

wget --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie;" 
--no-check-certificate
"https://download.elastic.co/elasticsearch/release/org/elasticsearch/distribution/zip/elasticsearch/2.3.4/elasticsearch-2.3.4.zip"

问题汇总

JDK的版本

JDK的版本问题, 最好是JDK8, 否则会报错误.

设置host

设置host, 这样，其他机器可访问
修改配置文件 config/elasticsearch.yml
cluster.name: cluster1
network.host: 0.0.0.0

vm.max_map_count

错误提示：max virtual memory areas vm.max_map_count [65530] likely too low, increase to at least
解决：
vim /etc/sysctl.conf
添加下面配置：vm.max_map_count=655360
并执行命令：sysctl -p

插件安装

head

地址

注意，不支持5.x以上.

./elasticsearch-plugin -install mobz/elasticsearch-head
http://localhost:9200/_plugin/head/