docker基础命令

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查看本地docker镜像

[root@bogon ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
imported mysql c3f6dde78a19 About a minute ago 192.5 MB
docker.io/centos 7 328edcd84f1b 5 weeks ago 192.5 MB

删除镜像

docker rmi c3f6dde78a19

查看所有的容器

docker ps -a

[root@bogon ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1615de430c60 centos:7 "/bin/bash" 27 hours ago Up 27 hours 0.0.0.0:3307->3306/tcp compassionate_carson
e863bfaecaaa centos:7 "/bin/bash" 27 hours ago Up 27 hours grave_raman
94c674bd6899 centos:7 "/bin/bash" 2 days ago Exited (0) 27 hours ago agitated_galileo

查看所有的运行的容器

docker ps

[root@bogon ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1615de430c60 centos:7 "/bin/bash" 27 hours ago Up 27 hours 0.0.0.0:3307->3306/tcp compassionate_carson
e863bfaecaaa centos:7 "/bin/bash" 27 hours ago Up 27 hours grave_raman

创建新的容器

docker create centos:7(该命令创建容器处于静止状态需要start开启)

docker run centos:7(该命令不仅创建了容器而且运行了)

开启某个docker容器

docker start centos:7 /bin/bash

docker start 94c674bd6899（该容器已创建，关闭状态，重新开启）

进入某个docker容器（该容器在后台运行中）

docker exec -it 1615de430c60 /bin/bash

创建新的容器并把docker容器的3306端口映射成主机的3307端口

docker run -it -p 3307:3306 centos:7 /bin/bash

关闭某个容器

docker stop 1615de430c60

docker kill 1615de430c60

删除某个容器

docker rm 1615de430c60

导出某个容器

docker export 1615de430c60 > mysql.tar

导入tar包作为镜像

cat mysql.tar |docker import - imported:mysql

[root@bogon ~]# cat mysql.tar |docker import - imported:mysql
sha256:c3f6dde78a19ad3553833b2a15516a7bf204f70e054c2e10350b0f15873600e3

[root@bogon ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
imported mysql c3f6dde78a19 About a minute ago 192.5 MB
docker.io/centos 7 328edcd84f1b 5 weeks ago 192.5 MB

运行docker命令时出现Cannot connect to the Docker daemon. Is the docker daemon running on this host?

解决：Service docker start

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