1. 下载rocketmq https://dlcdn.apache.org/rocketmq/4.9.3/rocketmq-all-4.9.3-source-release.zip （wget https://dlcdn.apache.org/rocketmq/4.9.3/rocketmq-all-4.9.3-source-release.zip）
2. unzip rocketmq-all-4.9.3-source-release.zip 解压
3. 进入解压目录 cd rocketmq-all-4.9.3/
   maven 安装 mvn -Prelease-all -DskipTests clean install -U
   （yum install maven安装maven）
4. 进入到 cd distribution/target/rocketmq-4.9.3/rocketmq-4.9.3
5. 进入到 distribution/target/rocketmq-4.9.3/rocketmq-4.9.3
   执行 vi ./conf/broker.conf
6. 添加brokerIP1=192.168.0.9 (本机IP)
7. 添加namesrvAddr=127.0.0.1
8. 启动 NameServer nohup sh bin/mqnamesrv &
9. 启动 Broker nohup sh bin/mqbroker -n 192.168.80.16:9876 -c ./conf/broker.conf &
10. nohup sh bin/mqbroker -n 192.168.64.144:9876 & ：属于后台启动
    sh bin/mqbroker -n 192.168.64.144:9876：属于终端启动，直接输出日志信息，按 ctrl+c 可直接关闭退出
11. 关闭服务器 distribution/target/apache-rocket