○ docker.service - Docker Application Container Engine Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled) Active: active (running) since Wed 2021-05-26 05:05:46 EDT; 13s ago Docs: http://docs.docker.com Main PID: 1985 (dockerd-current) CGroup: /system.slice/docker.service ├─1985 /usr/bin/dockerd-current –add-runtime docker-runc=/usr/libexe… └─1990 /usr/bin/docker-containerd-current -l unix:///var/run/docker/l…
May 26 05:05:44 localhost.localdomain dockerd-current[1985]: time=”2021-05-26T05… May 26 05:05:45 localhost.localdomain dockerd-current[1985]: time=”2021-05-26T05… May 26 05:05:45 localhost.localdomain dockerd-current[1985]: time=”2021-05-26T05… May 26 05:05:45 localhost.localdomain dockerd-current[1985]: time=”2021-05-26T05… May 26 05:05:45 localhost.localdomain dockerd-current[1985]: time=”2021-05-26T05… May 26 05:05:46 localhost.localdomain dockerd-current[1985]: time=”2021-05-26T05… May 26 05:05:46 localhost.localdomain dockerd-current[1985]: time=”2021-05-26T05… May 26 05:05:46 localhost.localdomain dockerd-current[1985]: time=”2021-05-26T05… May 26 05:05:46 localhost.localdomain systemd[1]: Started Docker Application Co…. May 26 05:05:46 localhost.localdomain dockerd-current[1985]: time=”2021-05-26T05… Hint: Some lines were ellipsized, use -l to show in full.
查看镜像
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docker images
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REPOSITORY TAG IMAGE ID CREATED SIZE
docker基本操作
安装CentOS7镜像
当我在CentOS7系统中安装了docker,然后我们再使用docker安装一个CentOS7;
查看镜像是否下载成功
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docker images
删除镜像
如果你要删除镜像,不过你要先查看镜像,确定你要删除的镜像是哪个
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docker rmi docker.io/centos:7
启动镜像
-i 以交互模式运行容器,通常与-t同时使用;
-t 为容器重新分配一个伪输入终端,通常与-i同时使用;
-d 后台运行容器,并返回容器ID;
–name 为容器指定一个名称;
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docker run -itd --name centos7 centos:7 /bin/bash
查看镜像是否启动成功
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docker ps
进入docker中的CentOS7
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docker exec -it centos7 /bin/bash
退出镜像使用命令 exit
停止CentOS7镜像
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docker stop centos7
查看停止的容器
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docker ps -a
删除容器
fdbb04b6d980 是通过 docker ps 或者 docker ps -a 查出来的Container ID