Docker基础用法

下载源改为国内下载源

curl -sSL https://get.daocloud.io/daotools/set_mirror.sh | sh -s http://76880b6f.m.daocloud.io

sudo systemctl restart docker

查看Docker信息

docker info

Containers: 1
 Running: 0
 Paused: 0
 Stopped: 1
Images: 1
Server Version: 18.06.0-ce
Storage Driver: overlay2
 Backing Filesystem: extfs
 Supports d_type: true
 Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs

搜索镜像

maxin@maxin-virtual-machine:~$ sudo docker search centos

NAME                               DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED
centos                             The official build of CentOS.                   4419                [OK]
ansible/centos7-ansible            Ansible on Centos7                              114                                     [OK]
jdeathe/centos-ssh                 CentOS-6 6.9 x86_64 / CentOS-7 7.4.1708 x86_…   97                                      [OK]
consol/centos-xfce-vnc             Centos container with "headless" VNC session…   57                                      [OK]
imagine10255/centos6-lnmp-php56    centos6-lnmp-php56 

获得一个镜像

sudo docker pull centos

查看已下载的镜像

maxin@maxin-virtual-machine:~$ sudo docker images

REPOSITORY          TAG                 IMAGE ID            CREATED                                                                                          SIZE
hello-world         latest              2cb0d9787c4d        9 days ago                                                                                       1.85kB
centos              latest              49f7960eb7e4        6 weeks ago                                                                                      200MB

镜像的导出

maxin@maxin-virtual-machine:~$ sudo docker save 2cb0d9787c4d > ~/backup.tar

maxin@maxin-virtual-machine:~$ ls

backup.tar  Desktop  Documents  Downloads  examples.desktop  Music  Pictures  Public  Templates  Videos

镜像的导入

docker load < backup.tar

返回 Docker