本文已参与「新人创作礼」活动，一起开启掘金创作之路
本文已参与「新人创作礼」活动，一起开启掘金创作之路
本文已参与「新人创作礼」活动，一起开启掘金创作之路
本文已参与「新人创作礼」活动，一起开启掘金创作之路
本文已参与「新人创作礼」活动，一起开启掘金创作之路
docker的基本命令
查看docker信息
docker version #查看docker版本信息
docker info #查看docker的系统信息，包括镜像和容器的数量
docker 命令 --help #万能命令
帮助文档地址：docs.docker.com/engine/refe…
查看镜像命令：
docker images #查看所有本地的主机上的镜像
[root@localhost ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE hello-world latest feb5d9fea6a5 5 months ago 13.3kB
解释
| REPOSITORY | 镜像的仓库源 |
|---|---|
| TAG | 镜像的标签 |
| IMAGE ID | 镜像的id |
| CREATED | 镜像的创建时间 |
| SIZE | 镜像的大小 |
可选项
-a ， --all #列出所有镜像 -q ， --quiet # 只显示镜像的id
docker search 搜索镜像
docker search [镜像名]
[root@localhost ~]# docker search mysql NAME DESCRIPTION STARS OFFICIAL AUTOMATED mysql/mysql-server Optimized MySQL Server Docker images. Create… 907 [OK] mysql/mysql-cluster Experimental MySQL Cluster Docker images. Cr… 92
centos/mysql-57-centos7 MySQL 5.7 SQL database server 92
可选项 ，通过STARS来过滤
--filter=STARS=3000 #搜索出来的镜像就是STARS大于3000的 [root@localhost ~]# docker search mysql --filter=STARS=900 NAME DESCRIPTION STARS OFFICIAL AUTOMATED mysql/mysql-server Optimized MySQL Server Docker images. Create… 907 [OK] [root@localhost ~]#
docker pull 下载镜像
docker pull mysql #下载mysql镜像
docker pull 镜像名[:tag]
#如果不写tag就会默认使用最新的镜像latest
#docker pull mysql:5.7 指定下载mysql5.7的镜像
[root@localhost ~]# docker pull mysql Using default tag: latest latest: Pulling from library/mysql 72a69066d2fe: Pull complete 93619dbc5b36: Pull complete 99da31dd6142: Pull complete 626033c43d70: Pull complete 37d5d7efb64e: Pull complete ac563158d721: Pull complete d2ba16033dad: Pull complete 688ba7d5c01a: Pull complete 00e060b6d11d: Pull complete 1c04857f594f: Pull complete 4d7cfa90e6ea: Pull complete e0431212d27d: Pull complete Digest: sha256:e9027fe4d91c0153429607251656806cc784e914937271037f7738bd5b8e7709 Status: Downloaded newer image for mysql:latest docker.io/library/mysql:latest [root@localhost ~]# docker pull mysql:5.7 5.7: Pulling from library/mysql 72a69066d2fe: Already exists 93619dbc5b36: Already exists 99da31dd6142: Already exists 626033c43d70: Already exists 37d5d7efb64e: Already exists ac563158d721: Already exists d2ba16033dad: Already exists 0ceb82207cd7: Pull complete 37f2405cae96: Pull complete e2482e017e53: Pull complete 70deed891d42: Pull complete Digest: sha256:f2ad209efe9c67104167fc609cca6973c8422939491c9345270175a300419f94 Status: Downloaded newer image for mysql:5.7 docker.io/library/mysql:5.7 [root@localhost ~]#
等价于它： docker pull mysql docker pull docker.io/library/mysql:latest
#查看镜像就可以看到下载的镜像 [root@localhost ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE mysql 5.7 c20987f18b13 2 months ago 448MB mysql latest 3218b38490ce 2 months ago 516MB hello-world latest feb5d9fea6a5 5 months ago 13.3kB [root@localhost ~]#
docker删除镜像
docker rmi -f 【镜像名/id】
# rm 删除 i 镜像 f 全部删除
#可以同时删除多个镜像，中间用空格隔开镜像名就行
docker rmi -f mysql
docker rmi -f $(docker images -aq)
#$(docker images -aq)查询所有镜像的id
#递归删除所有镜像
[root@localhost ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE mysql 5.7 c20987f18b13 2 months ago 448MB mysql latest 3218b38490ce 2 months ago 516MB hello-world latest feb5d9fea6a5 5 months ago 13.3kB [root@localhost ~]# docker rmi -f c20987f18b13 Untagged: mysql:5.7 Untagged: mysql@sha256:f2ad209efe9c67104167fc609cca6973c8422939491c9345270175a300419f94 Deleted: sha256:c20987f18b130f9d144c9828df630417e2a9523148930dc3963e9d0dab302a76 Deleted: sha256:6567396b065ee734fb2dbb80c8923324a778426dfd01969f091f1ab2d52c7989 Deleted: sha256:0910f12649d514b471f1583a16f672ab67e3d29d9833a15dc2df50dd5536e40f Deleted: sha256:6682af2fb40555c448b84711c7302d0f86fc716bbe9c7dc7dbd739ef9d757150 Deleted: sha256:5c062c3ac20f576d24454e74781511a5f96739f289edaadf2de934d06e910b92 [root@localhost ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE mysql latest 3218b38490ce 2 months ago 516MB hello-world latest feb5d9fea6a5 5 months ago 13.3kB [root@localhost ~]# docker rmi -f $(docker images -aq) Untagged: mysql:latest Untagged: mysql@sha256:e9027fe4d91c0153429607251656806cc784e914937271037f7738bd5b8e7709 Deleted: sha256:3218b38490cec8d31976a40b92e09d61377359eab878db49f025e5d464367f3b Deleted: sha256:aa81ca46575069829fe1b3c654d9e8feb43b4373932159fe2cad1ac13524a2f5 Deleted: sha256:0558823b9fbe967ea6d7174999be3cc9250b3423036370dc1a6888168cbd224d Deleted: sha256:a46013db1d31231a0e1bac7eeda5ad4786dea0b1773927b45f92ea352a6d7ff9 Deleted: sha256:af161a47bb22852e9e3caf39f1dcd590b64bb8fae54315f9c2e7dc35b025e4e3 Deleted: sha256:feff1495e6982a7e91edc59b96ea74fd80e03674d92c7ec8a502b417268822ff Deleted: sha256:8805862fcb6ef9deb32d4218e9e6377f35fb351a8be7abafdf1da358b2b287ba Deleted: sha256:872d2f24c4c64a6795e86958fde075a273c35c82815f0a5025cce41edfef50c7 Deleted: sha256:6fdb3143b79e1be7181d32748dd9d4a845056dfe16ee4c827410e0edef5ad3da Deleted: sha256:b0527c827c82a8f8f37f706fcb86c420819bb7d707a8de7b664b9ca491c96838 Deleted: sha256:75147f61f29796d6528486d8b1f9fb5d122709ea35620f8ffcea0e0ad2ab0cd0 Deleted: sha256:2938c71ddf01643685879bf182b626f0a53b1356138ef73c40496182e84548aa Deleted: sha256:ad6b69b549193f81b039a1d478bc896f6e460c77c1849a4374ab95f9a3d2cea2 Untagged: hello-world:latest Untagged: hello-world@sha256:97a379f4f88575512824f3b352bc03cd75e239179eea0fecc38e597b2209f49a Deleted: sha256:feb5d9fea6a5e9606aa995e879d862b825965ba48de054caab5ef356dc6b3412 [root@localhost ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE [root@localhost ~]#
容器命令
我们有镜像才可以创建容器，下一个centOS镜像来测试
docker pull centos
新建容器并启动
docker run --help #查看帮助命令
docker run [可选参数] image
参数说明
--name="Name" 容器的名字 tomcat01 tomcat02，用来区分容器
-d 后台运行
-it 使用交互方式运行，进入容器查看内容
-p 指定容器的端口 -p 8080：8080
-p ip：主机端口：容器端口
-p 主机端口：容器端口（常用）
-p 容器端口
容器端口
-P 随机指定端口 大P
[root@localhost ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE centos latest 5d0da3dc9764 5 months ago 231MB [root@localhost ~]# docker run -it centos /bin/bash [root@95e0d1d00068 /]# ls bin etc lib lost+found mnt proc run srv tmp var dev home lib64 media opt root sbin sys usr [root@95e0d1d00068 /]# exit exit [root@localhost ~]#
启动并进入容器
docker run -it centos /bin/bash #启动并进入容器
退出容器
exit #退出容器
docker ps #查看当前运行的容器
docker ps -a #查看当前运行的容器+历史运行过的容器
docker ps -a -n=？ #显示最近创建的？个容器容器
docker ps -a -n=1
docker ps -q #只显示容器的编号
exit #直接容器停止并退出
Ctrl + P + Q #容器不停止退出
[root@localhost ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES eba63bd352bb centos "/bin/bash" 19 seconds ago Up 18 seconds recursing_varahamihira [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES eba63bd352bb centos "/bin/bash" 58 seconds ago Up 57 seconds recursing_varahamihira 95e0d1d00068 centos "/bin/bash" 3 minutes ago Exited (0) 3 minutes ago reverent_cartwright ea46497c694c feb5d9fea6a5 "/hello" 6 hours ago Exited (0) 6 hours ago wizardly_kowalevski [root@localhost ~]# docker ps -aq eba63bd352bb 95e0d1d00068 ea46497c694c [root@localhost ~]# docker ps -n=2 CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES eba63bd352bb centos "/bin/bash" 12 minutes ago Up 12 minutes recursing_varahamihira 95e0d1d00068 centos "/bin/bash" 15 minutes ago Exited (0) 14 minutes ago reverent_cartwright [root@localhost ~]#
删除容器（不能删除正在运行的容器）
docker rm 容器id
#删除所有容器
docker rm -f $(docker ps -aq)
启动和停止容器的操作
docker start 容器id #启动容器
docker restart 容器id #重新启动容器
docker stop 容器id #停止当前正在运行的容器
docker kill 容器id #强制停止当前容器
