使用sudo yum install emqx-5.0.9-el7-amd64.rpm安装失败
[root@VM-8-11-centos ~]# sudo yum install emqx-5.0.9-el7-amd64.rpm
Loaded plugins: fastestmirror, langpacks
Examining emqx-5.0.9-el7-amd64.rpm: emqx-5.0.9-otp24.2.1_1.el7.x86_64
emqx-5.0.9-el7-amd64.rpm: does not update installed package.
Error: Nothing to do