centos 安装 es7

es7安装

一.安装es7

1.下载安装包

下载地址: https://www.elastic.co/guide/en/elasticsearch/reference/7.10/rpm.html#rpm-repo
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.10.2-x86_64.rpm
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.10.2-x86_64.rpm.sha512

2.centos 解决 -bash: shasum: command not found

yum install perl-Digest-SHA

3.安装

shasum -a 512 -c elasticsearch-7.10.2-x86_64.rpm.sha512 
sudo rpm --install elasticsearch-7.10.2-x86_64.rpm

4.启动

systemctl start elasticsearch.service

5.修改端口

# 进入 /etc/elasticsearch
vi  elasticsearch.yml 
# 找到 network.host 改为
network.host: 0.0.0.0
# 找到 #http.port: 9200 改为
http.port: 7106

# 找到  #discovery.seed_hosts: ["host1", "host2"] 改为
discovery.seed_hosts: ["0.0.0.0", "[::1]"]

# 允许跨域请求
# 开启跨域
http.cors.enabled: true
# 允许所有
http.cors.allow-origin: "*"

二.安装head-es

1.下载资源

 git clone git://github.com/mobz/elasticsearch-head.git

3.安装node环境

# centos8 安装npm
dnf install npm
# 查看版本
node -v
npm -v
# 更换源
npm config set registry https://registry.npm.taobao.org

4.安装head-es

注: 安装phantomjs慢,更换源
npm config set registry http://npm.taobao.org/dist/phantomjs/

# elasticsearch-head的文件目录下
cd elasticsearch-head
# 开始安装 
> 安装phantomjs慢,更换源
> npm config set registry  http://npm.taobao.org/dist/phantomjs/
npm install
# 运行
npm run start

5.设置启动项

注: 查看命令路径 type npm

# 到/lib/systemd/system 新增 head-es.service文件
[Unit]
Description=head-es
After=syslog.target
After=network.target
[Service]
#WorkingDirectory=/var/local/elasticsearch-head
ExecStart=/usr/bin/env npm -prefix=/var/local/elasticsearch-head run start
Restart=always
KillSignal=SIGQUIT
StandardError=syslog
NotifyAccess=all

[Install]
WantedBy=multi-user.target
# 添加执行权限
chmod +x /lib/systemd/system/head-es.service
# 启动
systemctl start head-es
systemctl status head-es
systemctl restart head-es
systemctl enable head-es

6.修改head-es的启动端口

# 到elasticsearch-head目录下 找到9100,更改为自己需要设置的访问端口
vi Gruntfile.js
# 7105

# 修改访问es的服务端口 找到9200 更改为自己访问的端口
cd _site
vi app.js
# 7106

# 重启服务