基于阿里云服务器在Ubuntu环境下配置MQTT云服务平台

首先登陆阿里云服务器

1.安装所需要的依赖包

$ sudo apt update && sudo apt install -y \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common

2.添加 EMQ X 的官方 GPG 密钥

1	`$ curl -fsSL https://repos.emqx.io/gpg.pub \| sudo apt-key add -`

验证密钥

$ sudo apt-key fingerprint 3E640D53

pub   rsa2048 2019-04-10 [SC]
    FC84 1BA6 3775 5CA8 487B  1E3C C0B4 0946 3E64 0D53
uid           [ unknown] emqx team <support@emqx.io>

3.使用以下命令设置 stable 存储库

$ sudo add-apt-repository \
    "deb [arch=amd64] https://repos.emqx.io/emqx-ce/deb/ubuntu/ \
    ./$(lsb_release -cs) \
    stable"

4.更新 apt 包索引

1	`$ sudo apt update`

5.安装最新版本的 EMQ X Broker

1	`sudo apt install empx`

6.安装特定版本的 EMQ X Broker

$ sudo apt-cache madison emqx

emqx |      4.0.0 | https://repos.emqx.io/emqx-ce/deb/ubuntu bionic/stable amd64 Packages
emqx |      3.0.1 | https://repos.emqx.io/emqx-ce/deb/ubuntu bionic/stable amd64 Packages
emqx |      3.0.0 | https://repos.emqx.io/emqx-ce/deb/ubuntu bionic/stable amd64 Packages
$ sudo apt install emqx=4.0.0 #更改4.0.0选择自己需要的版本

启动EMQ X Broker

$ emqx start
emqx 4.0.0 is started successfully!

$ emqx_ctl status
Node 'emqx@127.0.0.1' is started
emqx v4.0.0 is running
停止 EMQ X Broker
$ emqx stop
ok
卸载 EMQ X Broker
$ sudo apt remove emqx