# 下载
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.15.2-linux-x86_64.tar.gz

# 解压
tar -zxvf /usr/local/elasticsearch-7.15.2-linux-x86_64.tar.gz

# 创建ES用户和用户组
groupadd elasticsearch
useradd elasticsearch -g elasticsearch -p elasticsearch

# 更改ES文件的所属用户组及用户
chown -R elasticsearch:elasticsearch /usr/local/elasticsearch-7.15.2

# 切换用户
su elasticsearch

# 前台启动ES
cd elasticsearch-7.15.2/bin
./elasticsearch

# 或者后台启动ES
cd elasticsearch-7.15.2/bin
./elasticsearch -d

# 测试连接ES，当结果输出JSON数据则说明ES启动成功
curl -XGET "127.0.0.1:9200"

# 关闭后台运行的ES
ps -aux|grep elasticsearch
kill -9 pid