ElasticSearch 6.8.4安装

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centos7 下安装 ElasticSearch 6.8.4

下载相应的安装包

elasticsearch

wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.8.4.tar.gz

kibana

wget https://artifacts.elastic.co/downloads/kibana/kibana-6.8.4-linux-x86_64.tar.gz

插件elasticsearch-analysis-ik

可选插件
wget https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.8.4/elasticsearch-analysis-ik-6.8.4.zip

JDK1.8

jdk-8u201-linux-x64.tar.gz

安装

tar -zxvf ...tar.gz解压相应的压缩包

[root@centos local]# ls
elasticsearch-6.8.4  jdk1.8.0_201  kibana-6.8.4-linux-x86_64

JDK安装

配置JDK环境变量，编辑/etc/profile，追加

export JAVA_HOME=/usr/local/jdk1.8.0_201
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$JAVA_HOME/bin:$PATH

保存之后，是环境变量生效 source /etc/profile

安装elasticsearch

es不允许root启动，所以新建用户用于启动es

创建es用户

useradd es
调整es kibana目录权限

chown -R es:es elasticsearch-6.8.4
chown -R es:es kibana-6.8.4-linux-x86_64

系统配置调整

调整每个进程最大同时打开文件数,最大线程个数
修改/etc/security/limits.conf文件，增加配置, 需要重新进行登录才能生效

*  soft  nofile  65536
*  hard  nofile  65536
*  soft  nproc  4096
*  hard  nproc  4096

修改/etc/sysctl.conf文件，增加配置

vm.max_map_count=262144

sysctl -p执行命令生效
否则可能会出现以下错误

ERROR: [3] bootstrap checks failed
[1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535]
[2]: max number of threads [3796] for user [es] is too low, increase to at least [4096]
[3]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

调整es启动内存

vim elasticsearch-6.8.4/config/jvm.options
根据自己机器配置，设置jvm内存

-Xms256m
-Xmx256m

调整es启动配置

vim elasticsearch-6.8.4/config/elasticsearch.yml 有需要的话可以调整该配置文件

# ---------------------------------- Network -----------------------------------
#
# Set the bind address to a specific IP (IPv4 or IPv6):
#
network.host: 192.168.1.130
#
# Set a custom port for HTTP:
#
http.port: 9200

启动

切换es用户，su es，执行命令
elasticsearch-6.8.4/bin/elasticsearch
后台启动
elasticsearch-6.8.4/bin/elasticsearch -d
验证是否启动
浏览器输入http://192.168.1.130:9200
能够输出如下信息，表示启动成功

{
name: "vsSQQTr",
cluster_name: "elasticsearch",
cluster_uuid: "2ah6hJ_WQLC9XoNvo0wJtg",
version: {
number: "6.8.4",
    build_flavor: "default",
    build_type: "tar",
    build_hash: "bca0c8d",
    build_date: "2019-10-16T06:19:49.319352Z",
    build_snapshot: false,
    lucene_version: "7.7.2",
    minimum_wire_compatibility_version: "5.6.0",
    minimum_index_compatibility_version: "5.0.0"
},
tagline: "You Know, for Search"
}

到此， 单机版安装就完成了

开启权限认证

elasticsearch 6.8以后集成了x-pack,不需要再安装x-pack插件，直接启用即可
修改配置文件vim elasticsearch-6.8.4/config/elasticsearch.yml增加以下配置

xpack.security.enabled: true
xpack.security.transport.ssl.enabled: true

启动es elasticsearch-6.8.4/bin/elasticsearch
新开一个ssh窗口，执行
elasticsearch-6.8.4/bin/elasticsearch-setup-passwords interactive
设置相关密码

[es@vmcentos bin]$ ./elasticsearch-setup-passwords interactive
Initiating the setup of passwords for reserved users elastic,apm_system,kibana,logstash_system,beats_system,remote_monitoring_user.
You will be prompted to enter passwords as the process progresses.
Please confirm that you would like to continue [y/N]y


Enter password for [elastic]: 
Reenter password for [elastic]: 
Enter password for [apm_system]: 
Reenter password for [apm_system]: 
Enter password for [kibana]: 
Reenter password for [kibana]: 
Enter password for [logstash_system]: 
Reenter password for [logstash_system]: 
Enter password for [beats_system]: 
Reenter password for [beats_system]: 
Enter password for [remote_monitoring_user]: 
Reenter password for [remote_monitoring_user]: 
Changed password for user [apm_system]
Changed password for user [kibana]
Changed password for user [logstash_system]
Changed password for user [beats_system]
Changed password for user [remote_monitoring_user]
Changed password for user [elastic]

安装Kibana

修改kibana-6.8.4-linux-x86_64/config/kibana.yml 配置

server.host: "192.168.1.130"
elasticsearch.hosts: ["http://192.168.1.130:9200"]
# 上一步生成的elastic账号密码
elasticsearch.username: "elastic"
elasticsearch.password: "123456"

启动Kibana kibana-6.8.4-linux-x86_64/bin/kibana
访问http://192.168.1.130:5601

如果希望Kibana界面使用中文，调整多语言配置，编辑kibana-6.8.4-linux-x86_64/config/kibana.yml

# 多语言设置为中文
i18n.locale: "zh-CN"

分享一个kibana后台启动的命令

mkdir kibana-6.2.2-linux-x86_64/logs
mkdir kibana-6.2.2-linux-x86_64/pid
nohup kibana-6.2.2-linux-x86_64/bin/kibana >> kibana-6.2.2-linux-x86_64/logs/kibana.log 2>&1 & echo $! > /kibana-6.2.2-linux-x86_64/pid/kibana.pid

到此，Kibana安装结束
elasticsearch + x-pack + Kibana 6.8版本安装结束

安装分词插件

#离线
wget https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.8.4/elasticsearch-analysis-ik-6.8.4.zip
#./elasticsearch-plugin install file://ik的文件路径
./elasticsearch-plugin install file:///usr/local/elasticsearch-analysis-ik-6.8.4.zip
#在线
./bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.8.4/elasticsearch-analysis-ik-6.8.4.zip

安装日志信息

[es@centos bin]$ ./elasticsearch-plugin install file:///usr/local/elasticsearch-analysis-ik-6.8.4.zip 
-> Downloading file:///usr/local/elasticsearch-analysis-ik-6.8.4.zip
[=================================================] 100%   
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@     WARNING: plugin requires additional permissions     @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
* java.net.SocketPermission * connect,resolve
See http://docs.oracle.com/javase/8/docs/technotes/guides/security/permissions.html
for descriptions of what these permissions allow and the associated risks.

Continue with installation? [y/N]y
-> Installed analysis-ik

移除插件

#elasticsearch-plugin remove [pluginname]
elasticsearch-plugin remove analysis-ik

重启es、kibana

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