Docker 04 容器命令
查看
docker ps
语法:
docker ps [参数]
参数:
-a
:查看所有容器(包括正在运行的和已经停止的)。-n
:显示最近创建的容器,设置显示个数。-q
:只显示容器的编号。
查看正在运行的容器:
[root@sail ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1aaf76d85b9e centos "/bin/bash" About a minute ago Up About a minute intelligent_proskuriakova
查看所有容器:
[root@sail ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1aaf76d85b9e centos "/bin/bash" About a minute ago Up About a minute intelligent_proskuriakova
7ac04abd5a1f centos "/bin/bash" 3 minutes ago Exited (0) 3 minutes ago elegant_euler
bbb87116d848 centos "/bin/bash" 8 minutes ago Exited (0) 3 minutes ago focused_boyd
81c83ea42dc0 centos "/bin/bash" 28 minutes ago Exited (0) 19 minutes ago zealous_proskuriakova
52918b3ce8f6 feb5d9fea6a5 "/hello" 11 days ago Exited (0) 11 days ago friendly_ramanujan
显示最近创建的 2 个容器:
[root@sail ~]# docker ps -a -n=2
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1aaf76d85b9e centos "/bin/bash" 5 hours ago Up 5 hours intelligent_proskuriakova
7ac04abd5a1f centos "/bin/bash" 5 hours ago Exited (0) 5 hours ago elegant_euler
只显示容器的 ID:
[root@sail ~]# docker ps -aq
1aaf76d85b9e
7ac04abd5a1f
bbb87116d848
81c83ea42dc0
52918b3ce8f6
退出
exit
进入容器后,可以使用 exit
退出:
[root@sail ~]# docker run -it centos /bin/bash
[root@7ac04abd5a1f /]# exit
exit
[root@sail ~]#
[root@sail ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
由此可见,这样退出后容器也会停止。
Ctrl + P + Q
如果想退出后容器不停止,可以使用 Ctrl + P + Q
快捷键退出:
[root@sail ~]# docker run -it centos /bin/bash
[root@1aaf76d85b9e /]# [root@sail ~]# docker ps # 此时即为使用 Ctrl + P + Q 快捷键的效果
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1aaf76d85b9e centos "/bin/bash" 8 seconds ago Up 8 seconds intelligent_proskuriakova
删除
docker rm
语法:
docker rm [参数] 容器 [容器...]
参数:
-f
:强制删除。
删除指定容器(不能删除正在运行的容器):
[root@sail ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1aaf76d85b9e centos "/bin/bash" 5 hours ago Up 5 hours intelligent_proskuriakova
[root@sail ~]# docker rm 1aaf76d85b9e
Error response from daemon: You cannot remove a running container 1aaf76d85b9ee5002411c1ea390fca05819f19dc400e85127731d37455cb0acc. Stop the container before attempting removal or force remove
强制删除指定容器:
[root@sail ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1aaf76d85b9e centos "/bin/bash" 5 hours ago Up 5 hours intelligent_proskuriakova
[root@sail ~]# docker rm -f 1aaf76d85b9e
1aaf76d85b9e
删除所有容器(先使用 docker ps -aq
获取所有容器的 ID,再调用 docker rm -f
递归删除):
[root@sail ~]# docker rm -f $(docker ps -aq)
7ac04abd5a1f
bbb87116d848
81c83ea42dc0
52918b3ce8f6
[root@sail ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
删除所有容器(使用管道符 |
获取 Docker 相关的所有容器 ID 并使用 docker rm -f
删除):
[root@sail ~]# docker ps -a -q|xargs docker rm -f
2e61c4578eac
0ebe32ddfa50
启动
docker start
查看所有的容器,容器状态为关闭:
[root@sail ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
569026bc0955 centos "/bin/bash" 33 seconds ago Exited (0) 7 seconds ago centos03
运行关闭的容器:
[root@sail ~]# docker start 569026bc0955
569026bc0955
再次查看所有的容器,容器状态为运行:
[root@sail ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
569026bc0955 centos "/bin/bash" About a minute ago Up 1 second centos03
停止
docker stop
查看所有的容器,容器状态为运行:
[root@sail ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
569026bc0955 centos "/bin/bash" About a minute ago Up 1 second centos03
关闭运行的容器:
[root@sail ~]# docker stop 569026bc0955
569026bc0955
再次查看所有的容器,容器状态为关闭:
[root@sail ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
569026bc0955 centos "/bin/bash" 4 minutes ago Exited (0) 38 seconds ago centos03
重启
docker restart
查看所有的容器,容器状态为关闭:
[root@sail ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
569026bc0955 centos "/bin/bash" 4 minutes ago Exited (0) 38 seconds ago centos03
重启关闭的容器:
[root@sail ~]# docker restart 569026bc0955
569026bc0955
再次查看所有的容器,容器状态为运行:
[root@sail ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
569026bc0955 centos "/bin/bash" 6 minutes ago Up 20 seconds centos03
杀掉
docker kill
查看所有的容器,容器状态为运行:
[root@sail ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
569026bc0955 centos "/bin/bash" 6 minutes ago Up 20 seconds centos03
杀掉运行的容器:
[root@sail ~]# docker kill 569026bc0955
569026bc0955
再次查看所有的容器,容器状态为关闭:
[root@sail ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
569026bc0955 centos "/bin/bash" 8 minutes ago Exited (137) 15 seconds ago centos03
导出
docker export 目标容器 > 文件名称.tar
导入
docker import - 镜像名称 < 文件名称.tar
参考
https://www.bilibili.com/video/BV1og4y1q7M4?spm_id_from=333.999.0.0
https://www.bilibili.com/video/BV1kv411q7Qc?spm_id_from=333.999.0.0
版本
CentOS 7.6
Docker 20.10.11
天河有尽身作涯,星海无边前是岸。