4. ES单机搭建

1.安装JDK，Java JDK1.8.0 以上的版本

 

2. 导入GPG-KEY-elasticsearch

rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch

3. 配置清华源

vim /etc/yum.repos.d/elasticsearch.repo

[elasticsearch-7.x] 
name=Elasticsearch repository for 7.x packages 
baseurl=https://mirror.tuna.tsinghua.edu.cn/elasticstack/7.x/yum/ 
gpgcheck=1 
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=1 
autorefresh=1 
type=rpm-md

4. 安装

yum makecache && yum install -y elasticsearch

5. 配置ES，一般是修改堆内存大小

6.修改elasticsearch.yml

cd /etc/elasticsearch
#如果没有vim 就yum install -y vim
vim elasticsearch.yml 

 7.校验

curl http://127.0.0.1:9200