Docker的网络操作
Docker启动的时候会在主机上自动创建一个docker0网桥，实际上是一个Linux网桥，所有容器的启动如果在docker run的时候没有指定网络模式的情况下都会挂载到docker0网桥上。这样容器就可以和主机甚至是其他容器之间通讯了。
brctl show
通过ifconfig可以查看对应的IP地址
ifconfig
配置主机名
docker run -h hostname自定义网络方式
[root@VM_0_14_centos ~]# docker network create -d bridge my-net d90fc3d8515b9402f2aca86767aa81ebb115cb4fcea4c90ed82446326cce7d35 [root@VM_0_14_centos ~]# docker run -it -d --name centos1 --network my-net centos a43d83dbbde5827aeb3a66bab0e954df3b95a157dc0aea218cb23565af9655ce [root@VM_0_14_centos ~]# docker run -it -d --name centos2 --network my-net centos 4f59c5ed14e075a1ef05468d9bfd75fe02fd210b3b580c8b0994bb3c0310a80e [root@VM_0_14_centos ~]# docker exec -it centos1 /bin/bash [root@a43d83dbbde5 /]# ping centos2 PING centos2 (172.18.0.3) 56(84) bytes of data. 64 bytes from centos2.my-net (172.18.0.3): icmp_seq=1 ttl=64 time=0.112 ms 64 bytes from centos2.my-net (172.18.0.3): icmp_seq=2 ttl=64 time=0.061 ms 64 bytes from centos2.my-net (172.18.0.3): icmp_seq=3 ttl=64 time=0.058 ms 64 bytes from centos2.my-net (172.18.0.3): icmp_seq=4 ttl=64 time=0.056 ms ^C --- centos2 ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 3000ms rtt min/avg/max/mdev = 0.056/0.071/0.112/0.025 ms [root@a43d83dbbde5 /]#