卸载EMQX后重新安装出现does not update installed package

EMQX
1

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

2

你好，看起来像是之前安装的包并没有卸载掉，你是用这个命令卸载的吗？

sudo yum remove emqx
3

删除目录卸载的，可能有些目录没有删除