docker 升级到最新版

步骤

1、卸载旧版 docker

> rpm -qa | grep docker # 也可以使用 yum list installed | grep docker  docker-engine-1.13.0-1.el7.centos.x86_64  docker-engine-selinux-1.13.0-1.el7.centos.noarch  > yum remove docker-engine-1.13.0-1.el7.centos.x86_64  > yum remove docker-engine-selinux-1.13.0-1.el7.centos.noarch  

2、升级至最新版

> curl -fsSL https://get.docker.com/ | sh  

3、重启docker

> systemctl restart docker # centos 7  > service docker restart # centos 6  

4、查看升级后的版本

> docker version # docker -v  

原文出处：简书 -> https://www.jianshu.com/p/28a89f78e9e6