Elasticsearch 安装

 

 

1，Elasticsearch 安装：

    官网下载 https://www.elastic.co/downloads/past-releases/elasticsearch-5-2-2 安装包

    解压 Elasticsearch安装包

     tar -zxvf elasticsearch-5.6.2.tar.gz

    

    elasticsearch安装目录下创建二个目录

    

     

    配置 elasticsearch.yml （目前是单个机器，所以下面discovery只写了一个linux01 ，否则增加host 用逗号隔开）

# ======================== Elasticsearch Configuration =========================

#

# NOTE: Elasticsearch comes with reasonable defaults for most settings.

#       Before you set out to tweak and tune the configuration, make sure you

#       understand what are you trying to accomplish and the consequences.

#

# The primary way of configuring a node is via this file. This template lists

# the most important settings you may want to configure for a production cluster.

#

# Please consult the documentation for further information on configuration options:

# https://www.elastic.co/guide/en/elasticsearch/reference/index.html

#

# ---------------------------------- Cluster -----------------------------------

#

# Use a descriptive name for your cluster:

#

cluster.name: kevin-application

#

# ------------------------------------ Node ------------------------------------

#

# Use a descriptive name for the node:

#

node.name: node-1

#

# Add custom attributes to the node:

#

#node.attr.rack: r1

#

# ----------------------------------- Paths ------------------------------------

#

# Path to directory where to store the data (separate multiple locations by comma):

#

path.data: /home/kevin/modules/elasticsearch-5.6.2/data

#

# Path to log files:

#

path.logs: /home/kevin/modules/elasticsearch-5.6.2/logs

#

# ----------------------------------- Memory -----------------------------------

#

bootstrap.memory_lock: false

bootstrap.system_call_filter: false

#

# Make sure that the heap size is set to about half the memory available

# on the system and that the owner of the process is allowed to use this

# limit.

#

# Elasticsearch performs poorly when the system is swapping the memory.

#

# ---------------------------------- Network -----------------------------------

#

# Set the bind address to a specific IP (IPv4 or IPv6):

#

network.host: 192.168.1.20

#

# Set a custom port for HTTP:

#

http.port: 9200

#

# For more information, consult the network module documentation.

#

# --------------------------------- Discovery ----------------------------------

#

# Pass an initial list of hosts to perform discovery when new node is started:

# The default list of hosts is ["127.0.0.1", "[::1]"]

#

discovery.zen.ping.unicast.hosts: ["linux01"]

#

# Prevent the "split brain" by configuring the majority of nodes (total number of master-eligible nodes / 2 + 1):

#

#discovery.zen.minimum_master_nodes: 3

#

# For more information, consult the zen discovery module documentation.

#

# ---------------------------------- Gateway -----------------------------------

#

# Block initial recovery after a full cluster restart until N nodes are started:

#

#gateway.recover_after_nodes: 3

#

# For more information, consult the gateway module documentation.

#

# ---------------------------------- Various -----------------------------------

#

# Require explicit names when deleting indices:

#

#action.destructive_requires_name: true

http.cors.enabled: true

http.cors.allow-origin: "*"

 

 

 

配置linux系统环境

    （参考：http://blog.csdn.net/satiling/article/details/59697916）

       （1）切换到root用户，编辑limits.conf 添加类似如下内容

[root@hadoop102 elasticsearch-5.2.2]# vi /etc/security/limits.conf

添加如下内容:

* soft nofile 65536

* hard nofile 131072

* soft nproc 2048

* hard nproc 4096

       （2）切换到root用户，进入limits.d目录下修改配置文件。

[root@hadoop102 elasticsearch-5.2.2]# vi /etc/security/limits.d/90-nproc.conf

修改如下内容：

* soft nproc 1024

#修改为

* soft nproc 2048

       （3）切换到root用户修改配置sysctl.conf

[root@hadoop102 elasticsearch-5.2.2]# vi /etc/sysctl.conf 

添加下面配置：

vm.max_map_count=655360

并执行命令：

[root@hadoop102 elasticsearch-5.2.2]# sysctl -p

 

切换成普通用户启动elasticsearch

bin/elasticsearch

 

网页查看 linux01:9200   如果显示下面这个表示 成功

 

2 .ElasticSearh head插件安装：(其实就是一个显示的界面)

的

1）下载插件

https://github.com/mobz/elasticsearch-head

elasticsearch-head-master.zip

2）nodejs官网下载安装包

https://nodejs.org/dist/

3), 解压 tar -zxf node-v6.9.2-linux-x86.tar.gz -C ~/modules/

     解压unzip elasticsearch-head-master.zip -d ~/modules/

    

4），配置nodejs 的环境变量

        vim  /etc/profile  增加下面的内容

    

 

5），用root用户 source /etc/profile

        执行node -v  

 

        如果报错： error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory

Protected multilib versions: libstdc++-4.4.7-23.el6.i686 != libstdc++-4.4.7-18.el6.x86_64

 

        参考：

                      yum update libstdc++-4.4.7-18.el6.x86_64

                     yum install libstdc++-4.4.7-23.el6.i686

 

 

    6),解压head 插件到~/module/

        查看插件目录下 有无node_module/grunt 目录    如果没有  npm install grunt -save 

    

 

      安装head 插件： npm install -g cnpm --registry=https://registry.npm.taobao.org

 

 

安装grunt 客户端 npm install -g grunt-cli

 

 

编辑Gruntfile.js   添加hostname:'0.0.0.0'

 

 检查head根目录下是否存在base文件夹

    没有：将 _site下的base文件夹及其内容复制到head根目录下

 

把权限全部给kevin 用户

 

切换用户到kevin  然后执行 grunt server -d

如果提示grunt的模块没有安装：

Local Npm module “grunt-contrib-clean” not found. Is it installed? 

Local Npm module “grunt-contrib-concat” not found. Is it installed? 

Local Npm module “grunt-contrib-watch” not found. Is it installed? 

Local Npm module “grunt-contrib-connect” not found. Is it installed? 

Local Npm module “grunt-contrib-copy” not found. Is it installed? 

Local Npm module “grunt-contrib-jasmine” not found. Is it installed? 

Warning: Task “connect:server” not found. Use –force to continue. 

执行以下命令： 

npm install grunt-contrib-clean -registry=https://registry.npm.taobao.org

npm install grunt-contrib-concat -registry=https://registry.npm.taobao.org

npm install grunt-contrib-watch -registry=https://registry.npm.taobao.org 

npm install grunt-contrib-connect -registry=https://registry.npm.taobao.org

npm install grunt-contrib-copy -registry=https://registry.npm.taobao.org 

npm install grunt-contrib-jasmine -registry=https://registry.npm.taobao.org

最后一个模块可能安装不成功，但是不影响使用。

 

 

启动：grunt server 

 

 

 

看到显示“”集群健康值： 未连接“”

 

进入elasticSearch安装目录 vim config/elasticsearch.yml   在最后添加

 

http.cors.enabled: true

http.cors.allow-origin: "*"

再重新启动elasticsearch     bin/elasticsearch

再重新启动插件 进入插件目录 grunt server

然后浏览器 查看