1 制作本地环境镜像
1.1 tar本地OS
cd ~
tar --numeric-owner --exclude=/proc --exclude=/sys --exclude=/media --exclude=/root/centos7-base.tar -cvf centos7-base.tar /
注意:
/media 为本地挂载的OS image,排除
1.2 导入本地OS作为镜像
cat centos7-base.tar | docker import - centos7-base
1.3 重启dockerd服务
systemctl stop docker systemctl start docker 否则运行docker run时 报错: Error response from daemon: docker-containerd-shim not installed on system
1.4运行创建的镜像
docker run -i -t centos7-base cat /etc/redhat-release
2 启动和进入docker容器
启动一个deamon进程 docker run -itd ubuntu:14.04 /bin/bash 进入docker 容器 docker attach 44fc0f0582d9