namesrv和broker安装就不说了，见如下博客
https://blog.csdn.net/Wonderful1025/article/details/107244434/
安装rocketMQ-console
docker run -d -e "JAVA_OPTS=-Drocketmq.config.namesrvAddr=192.168.65.2:9876 -Drocketmq.config.isVIPChannel=false" -p 9999:8080 -t --name rmConsole styletang/rocketmq-console-ng
那么其中的namesrvAddr=192.168.65.2是如何来的呢？
https://blog.csdn.net/lsl_aaa/article/details/124852260
