elasticsearch2.2系列一（es的安装）

最新推荐文章于 2024-04-17 20:34:17 发布

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最新推荐文章于 2024-04-17 20:34:17 发布

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本文介绍如何在CentOS7环境下安装并配置Elasticsearch 2.2.1版本，包括禁用防火墙、后台运行Elasticsearch及安装Head插件等步骤。

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环境为centos 7，已经安装了jdk7, jdk必须要安装7及以上版本

切换到非root用户（目前的es不能使用root用户）

下载es并解压:

wget https://download.elasticsearch.org/elasticsearch/release/org/elasticsearch/distribution/tar/elasticsearch/2.2.1/elasticsearch-2.2.1.tar.gz
tar -xvzf elasticsearch-2.2.1.tar.gz
我这里是下载和解压到当前用户的home下面

关闭防火墙

sudo systemctl stop firewalld.service

我用的是centos7所以用以上命令关闭，假如你用的是centos6可用以下命令

/etc/init.d/iptables stop           //关闭防火墙服务
chkconfig –level 35 iptables off    //永久关闭防火墙

运行
```
~/elasticsearch-2.2.1/bin/elasticsearch 
```
以上命令是前端运行，关掉终端会结束进程，要后台运行，并且把进程的pid打印到当前目录的pid文件里面，可以加参数运行如下
```
~/elasticsearch-2.2.1/bin/elasticsearch -d -p pid
```

检查是否已经启动

[hadoop@master ~]$ curl localhost:9200
{
  "name" : "Redeemer",
  "cluster_name" : "elasticsearch",
  "version" : {
    "number" : "2.2.1",
    "build_hash" : "d045fc29d1932bce18b2e65ab8b297fbf6cd41a1",
    "build_timestamp" : "2016-03-09T09:38:54Z",
    "build_snapshot" : false,
    "lucene_version" : "5.4.1"
  },
  "tagline" : "You Know, for Search"
}

注意：此时用外网或者局域网ip是不能访问的，如果要访问，按以下修改：

vim ~/elasticsearch-2.2.1/config/elasticsearch.yml
修改配置        network.host: 0.0.0.0

安装head插件

插件安装格式为：sudo bin/plugin install [org]/[user|component]/[version]

[hadoop@master ~]$ ~/elasticsearch-2.2.1/bin/plugin install mobz/elasticsearch-head
-> Installing mobz/elasticsearch-head...
Trying https://github.com/mobz/elasticsearch-head/archive/master.zip ...
Downloading ......................................................................................................................................................  ..................................................................................................................................................................  ..................................................................................................................................................................  ..................................................................................................................................................................  ........................DONE
Verifying https://github.com/mobz/elasticsearch-head/archive/master.zip checksums if available ...
NOTE: Unable to verify checksum for downloaded plugin (unable to find .sha1 or .md5 file to verify)
Installed head into /home/hadoop/elasticsearch-2.2.1/plugins/head