宿主机和容器内的网络

[root@master ~]# docker ps |grep mysql
860b9dffae92   registry.cn-beijing.aliyuncs.com/qingfeng666/mysql:5.7   "docker-entrypoint.s…"   9 months ago     Up 15 hours     0.0.0.0:3306->3306/tcp, 33060/tcp   mysql57
[root@master ~]# netstat -nap |grep 3306
tcp6       0      0 :::3306                 :::*                    LISTEN      28686/docker-proxy  
unix  2      [ ]         DGRAM                    33064    1032/kubelet         @0001b
[root@master ~]# telnet 127.0.0.1 3306
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
J
5.7.32b%p+Yn&ÿ!QT\!8e
eQ,mysql_native_passwordXshell

进入容器:
[root@master ~]# docker exec -it 860b9dffae92 sh
# ip adde
sh: 1: ip: not found
# ifconifg -a   
sh: 2: ifconifg: not found
# /sbin/ifconfig -a
eth0: flags=4163  mtu 1500