直接上命令：

sudo yum install -y yum-utils device-mapper-persistent-data lvm2
sudo yum-config-manager --add-repo https://repos.emqx.io/emqx-ce/redhat/centos/7/emqx-ce.repo
sudo yum install emqx
sudo systemctl enable emqx
sudo systemctl start emqx

打开浏览器访问目标 IP 18083 端口：