UBUNTU安装EMQ

柳鲲鹏

官方参考:http://emqtt.com/docs/v2/install.html

  • 下载

https://www.emqx.io/downloads/broker

如果是学习,用最新的。如果是公司正式项目,最重要的是稳定,建议选择不带beta的,比如2.3.9。

  • 安装依赖库
sudo apt-get install lksctp-tools
  • 安装emq
sudo dpkg -i emqttd-ubuntu16.04-v2.3.9_amd64.deb

提示:ureadahead will be reprofiled on next reboot

要求重启,那就重启。

  • 启动或停止服务
sudo systemctl start|stop|restart emqttd.service
或者
emqttd stop|start
  • 检查运行状态
emqttd_ctl status

netstat -anp | grep 1883

或者使用自带的:

http://localhost:8080/status
  • 修改配置文件

/etc/emqttd/emq.conf

从mysql官网上下载mysql-server_5.7.21-1ubuntu14.04_amd64.deb-bundle.tar,然后进行离线安装,解压该安装包,会出现11个依赖包,按照顺序依次使用sudo dpkg -i 进行安装,中间会报错,显示缺少相应的依赖,具体如下: *******@ubuntu:/opt/mysql$ sudo dpkg -i mysql-community-client_5.7.21-1ubuntu14.04_amd64.deb Selecting previously unselected package mysql-community-client. (Reading database ... 208518 files and directories currently installed.) Preparing to unpack mysql-community-client_5.7.21-1ubuntu14.04_amd64.deb ... Unpacking mysql-community-client (5.7.21-1ubuntu14.04) ... dpkg: dependency problems prevent configuration of mysql-community-client: mysql-community-client depends on libaio1 (>= 0.3.93); however: Package libaio1 is not installed. dpkg: error processing package mysql-community-client (--install): dependency problems - leaving unconfigured Processing triggers for man-db (2.6.7.1-1ubuntu1) ... Errors were encountered while processing: mysql-community-client 和 ********@ubuntu:/opt/mysql$ sudo dpkg -i mysql-community-server_5.7.21-1ubuntu14.04_amd64.deb Selecting previously unselected package mysql-community-server. (Reading database ... 208598 files and directories currently installed.) Preparing to unpack mysql-community-server_5.7.21-1ubuntu14.04_amd64.deb ... Unpacking mysql-community-server (5.7.21-1ubuntu14.04) ... dpkg: dependency problems prevent configuration of mysql-community-server: mysql-community-server depends on libmecab2 (>= 0.996-1.1); however: Package libmecab2 is not installed. dpkg: error processing package mysql-community-server (--install): dependency problems - leaving unconfigured Processing triggers for man-db (2.6.7.1-1ubuntu1) ... Processing triggers for ureadahead (0.100.0-16) ... ureadahead will be reprofiled on next reboot Errors were encountered while processing: mysql-community-server 附上依赖包安装顺序: 1.mysql-common_5.7.21-1ubuntu14.04_amd64.deb 2.libmysqlclient20_5.7.21-1ubuntu14.04_amd64.deb 3.libmysqlclient-dev_5.7.21-1ubuntu14.04_amd64.deb 4.libmysqld-dev_5.7.21-1ubuntu14.04_amd64.deb
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