当前运行的容器
[root@VM_0_8_centos ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 15a6a1f74ffe nginx "nginx -g 'daemon of…" 11 minutes ago Up 11 minutes 80/tcp web04 19fc30aa95c2 nginx "nginx -g 'daemon of…" 19 minutes ago Up 19 minutes 80/tcp web03 7ddab59d9cd2 nginx "nginx -g 'daemon of…" 20 hours ago Up 20 hours 80/tcp pensive_meninsky
列出最新创建的容器
[root@VM_0_8_centos ~]# docker ps -l CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 15a6a1f74ffe nginx "nginx -g 'daemon of…" 12 minutes ago Up 12 minutes 80/tcp web04
列出所有的容器
[root@VM_0_8_centos ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 15a6a1f74ffe nginx "nginx -g 'daemon of…" 14 minutes ago Up 14 minutes 80/tcp web04 19fc30aa95c2 nginx "nginx -g 'daemon of…" 22 minutes ago Up 22 minutes 80/tcp web03 7ddab59d9cd2 nginx "nginx -g 'daemon of…" 20 hours ago Up 20 hours 80/tcp pensive_meninsky df53608eeaa9 hello-world "/hello" 23 hours ago Exited (0) 23 hours ago quizzical_rosalind
查看容器的详细信息
[root@VM_0_8_centos ~]# docker inspect 15a6a1f74ffe
进入一个容器中
[root@VM_0_8_centos ~]# docker exec -it web04 bash root@15a6a1f74ffe:/# ls bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var
创建一个新镜像来自一个容器
[root@VM_0_8_centos ~]# docker exec -it web04 bash root@15a6a1f74ffe:/# ls bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var root@15a6a1f74ffe:/# touch 1.txt root@15a6a1f74ffe:/# exit exit [root@VM_0_8_centos ~]# docker commit web04 nginx:web04 sha256:bec26c1b1f71d49676f6c8b60778f34d2b84ad1fdd3957517bea31c495211c4d [root@VM_0_8_centos ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE nginx web04 bec26c1b1f71 4 seconds ago 126MB nginx latest 5a3221f0137b 2 weeks ago 126MB hello-world latest fce289e99eb9 8 months ago 1.84kB
查看分层
[root@VM_0_8_centos ~]# docker history nginx IMAGE CREATED CREATED BY SIZE COMMENT 5a3221f0137b 2 weeks ago /bin/sh -c #(nop) CMD ["nginx" "-g" "daemon… 0B <missing> 2 weeks ago /bin/sh -c #(nop) STOPSIGNAL SIGTERM 0B <missing> 2 weeks ago /bin/sh -c #(nop) EXPOSE 80 0B <missing> 2 weeks ago /bin/sh -c ln -sf /dev/stdout /var/log/nginx… 22B <missing> 2 weeks ago /bin/sh -c set -x && addgroup --system -… 56.8MB <missing> 2 weeks ago /bin/sh -c #(nop) ENV PKG_RELEASE=1~buster 0B <missing> 2 weeks ago /bin/sh -c #(nop) ENV NJS_VERSION=0.3.5 0B <missing> 2 weeks ago /bin/sh -c #(nop) ENV NGINX_VERSION=1.17.3 0B <missing> 3 weeks ago /bin/sh -c #(nop) LABEL maintainer=NGINX Do… 0B <missing> 3 weeks ago /bin/sh -c #(nop) CMD ["bash"] 0B <missing> 3 weeks ago /bin/sh -c #(nop) ADD file:330bfb91168adb4a9… 69.2MB
拷贝文件到容器里
[root@VM_0_8_centos ~]# ll total 0 [root@VM_0_8_centos ~]# touch 1.txt [root@VM_0_8_centos ~]# docker cp 1.txt web04:/ [root@VM_0_8_centos ~]# docker exec -it web04 bash root@15a6a1f74ffe:/# ls 1.txt bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var root@15a6a1f74ffe:/#
查看容器日志
[root@VM_0_8_centos ~]# docker logs web04
列出或指定端口映射
[root@VM_0_8_centos ~]# docker port 15a6a1f74ffe
显示一个容器运行的进程
[root@VM_0_8_centos ~]# docker top 15a6a1f74ffe UID PID PPID C STIME TTY TIME CMD root 22264 22247 0 19:41 ? 00:00:00 nginx: master process nginx -g daemon off; 101 22296 22264 0 19:41 ? 00:00:00 nginx: worker process
查看当前限制的镜像信息
[root@VM_0_8_centos ~]# docker stats web03 CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS 19fc30aa95c2 web03 0.00% 1.387MiB / 500MiB 0.28% 648B / 0B 1.7MB / 0B 2 CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
上面是动态显示,现在静态显示。
[root@VM_0_8_centos ~]# docker stats --no-stream web03 CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS 19fc30aa95c2 web03 0.00% 1.387MiB / 500MiB 0.28% 648B / 0B 1.7MB / 0B 2
删除容器(删除和强制删除)
[root@VM_0_8_centos ~]# docker rm 15a6a1f74ffe Error response from daemon: You cannot remove a running container 15a6a1f74ffeb58a5ef78de25970a3314f578d8341abe8937079f416cd716e3d. Stop the container before attempting removal or force remove [root@VM_0_8_centos ~]# docker rm -f 15a6a1f74ffe 15a6a1f74ffe
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