1. CentOS 7.6版本 docker版本yum install -y docker-ce-18.09.9-3.el7 docker-ce-cli-18.09.9-3.el7
2. 解决docker启动失败问题
Error starting daemon: error initializing graphdriver: \"/var/lib/docker\" contains several
valid graphdrivers: devicemapper, overlay; Please cleanup or explicitly choose storage driver (-s <DRIVER>)
删除/var/lib/docker中的devicemapper即可
Error starting daemon: Error initializing network controller: list bridge addresses failed: no available network
缺少桥接,添加一个
ip link add name docker0 type bridge
ip addr add dev docker0 172.17.0.1/16
重启docker
systemctl restart docker