linux安装elasticsearch

环境：

centos7　　elasticsearch-6.6.1　　jdk8

准备：

jdk下载地址：

elasticsearch下载地址：

安装：

jdk安装：

1.删除自带的jdk

java -version
rpm -qa | grep java
yum -y remove ***

2.安装

mkdir /usr/jdk
tar -xvf jdk-8u112-linux-x64.tar.gz /usr/jdk

3.配置环境变量

vim /etc/profile

添加如下内容

export java_home=/usr/jdk/jdk1.8.0_112  
export path=$java_home/bin:$path
export classpath=.:$java_home/lib/dt.jar:$java_home/lib/tools.jar

保存退出，是配置生效

source /etc/profile

4.查看是否安装成功

java -version

elasticsearch安装

1.解压并拷贝

tar -zxvf elasticsearch-6.6.1.tar.gz
mv elasticsearch-6.6.1 /usr/local/src/elasticsearch

 2.创建用户和用户组

groupadd elasticsearch
useradd elasticsearch -g elasticsearch
chown -r elasticsearch:elasticsearch /usr/local/elasticsearch

3.创建数据文件和日志文件

mkdir /data/es/{data,logs,work} -p
chown -r /data/es

4.修改elasticsearch配置文件

cluster.name: es-cluster
node.name: node-1
network.host: 192.168.227.130
http.port: 9200
transport.tcp.port: 9300
node.master: true
node.data: true
#path.conf: /usr/local/src/elasticsearch/conf
path.data: /data/es/data
#path.work: /data/es/work
path.logs: /data/es/logs
discovery.zen.ping.unicast.hosts: ["192.168.227.130:9300", "192.168.227.131:9300", "192.168.227.132:9300"]
discovery.zen.minimum_master_nodes: 1
http.cors.enabled: true
http.cors.allow-origin: "*"

5.启动

cd /usr/local/src/elasticsearch/bin
./elasticsearch -d

6.查看是否启动成功

[root@bogon bin]# curl http://192.168.227.130:9200
{
  "name" : "node-1",
  "cluster_name" : "es-cluster",
  "cluster_uuid" : "iflcurw-se-u9-njsb9a_g",
  "version" : {
    "number" : "6.6.1",
    "build_flavor" : "default",
    "build_type" : "tar",
    "build_hash" : "1fd8f69",
    "build_date" : "2019-02-13t17:10:04.160291z",
    "build_snapshot" : false,
    "lucene_version" : "7.6.0",
    "minimum_wire_compatibility_version" : "5.6.0",
    "minimum_index_compatibility_version" : "5.0.0"
  },
  "tagline" : "you know, for search"
}