Docker basic commands
[TOC]
Docker command line help documentation: https://docs.docker.com/reference/
Basic commands
Check out the Docker versiondocker version
Docker version # Displays the docker versionCopy the coderoot@Win10:Desktop# Docker Version Client: Docker Engine - Community 1.40 Go version: go1.13.15 Git Commit: 4484C46d9d Built: Wed Sep 16 17:02:36 2020 OS/Arch: Linux/AMd64 Experimental: False Server: Docker Engine - Community # Server Engine: Version: 19.03.13 API Version: 1.40 (minimum version 1.12) Go version: go1.13.15 Git Commit: 4484C46d9d Built: Wed Sep 16 17:01:06 2020 OS/Arch: Linux/amd64 Experimental: false containerd: Version: 1.3.7 GitCommit: 8 fba4e9a7d01810a393d5d25a3621dc101981175 runc: Version: 1.0.0 - rc10 GitCommit: dc9208a3303feef5b3839f4323d9beb36df0a9dd docker - init: Version: 0.18.0 GitCommit: fec3683Copy the codeView the Docker system informationdocker info
Docker info # Displays the Docker system information including the number of images and containersCopy the coderoot@Win10:Desktop# docker info Client: Debug Mode: false Server: Containers: 1 Running: 0 Paused: 0 Stopped: 1 Images: 1 Server Version: 19.03.13 Storage Driver: overlay2 Backing Filesystem: extfs Supports D_type: true Native Overlay Diff: true Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge host ipvlan macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog Swarm: inactive Runtimes: runc Default Runtime: runc Init Binary: docker-init containerd version: 8fba4e9a7d01810a393d5d25a3621dc101981175 runc version: dc9208a3303feef5b3839f4323d9beb36df0a9dd init version: Fec3683 Security Options: seccomp Profile: default Kernel Version: 4.19.128-MicrosoftStandard Operating System: fec3683 Security Options: seccomp Profile: default Kernel Version: 4.19.128-MicrosoftStandard Operating System: Ubuntu 18.04.5 LTS OSType: Linux Architecture: x86_64 CPUs: 12 Total Memory: 6.083GiB Name: Win10 ID: JBNO:FN32:73YF:35IA:RDZ4:TTXI:7ZKX:VND6:CROJ:U5UV:AGAV:5AY6 Docker Root Dir: /var/lib/docker Debug Mode: false Registry: https://index.docker.io/v1/ Labels: Experimental: false Insecure Registries: 127.0.0.0/8 Registry Mirrors: https://5e43pwrr.mirror.aliyuncs.com/ Live Restore Enabled: falseCopy the codeDocker View help documentationdocker <command> --help
Docker <command> --help #Copy the codeThe mirror command
Viewing a Local Mirrordocker images
root@Win10:Desktop# docker images REPOSITORY TAG IMAGE ID CREATED SIZE hello-world latest bf756fb1ae65 12 months ago 13.3 kB#REPOSITORY Image REPOSITORY source
#TAG Image TAG
#IMAGE ID ID of an IMAGE
#CREATE Time when the image is created
#SIZE Mirror SIZE
#optional-a, --all Show all images (default hides intermediate images) # Displays all images -q, --quiet Only Show numeric IDs # Displays Only the image IDCopy the codeSearch the mirrordocker search
root@Win10:Desktop# docker search mysql NAME DESCRIPTION STARS OFFICIAL AUTOMATED mysql MySQL is a widely used, The open - source base... 10369 [OK] Mariadb Mariadb is a community-developed fork of MyS... 3842 [OK] mysql/mysql-server Optimized mysql server Docker images. Create... 757 [OK] Percona Percona Server is a fork of the MySQL Server relati... 519 [OK] centos/mysql-57-centos7 mysql 5.7 SQL Database Server 86
#optionalroot@Win10:Desktop# docker search --filter=stars=5000 mysql NAME DESCRIPTION STARS OFFICIAL AUTOMATED mysql mysql is a widely used, open source relation... 10369 [OK]Copy the codeDownload mirrordocker pull
#Docker pull < image name [:tag]>root@Win10:Desktop# docker pull mysql Using default tag: latest Pulling from library/mysql 6ec7b7d162b2: Pull complete Pull complete 64f92f19e638: Pull complete 3e80b17bff96: Pull complete 014e976799f9: Pull complete 59ae84fee1b3: Pull complete ffe10de703ea: Pull complete 657af6d90c83: Pull complete 98bfb480322c: Pull complete 6aa3859c4789: Pull complete 1ed875d851ef: Pull complete Digest: Sha256:78800 # e6d3f1b230e35275145e657b82c3fb02a27b2d8e76aac2f5e90c1c30873 signature Status: Downloaded newer image for mysql: latest docker. IO/library/mysql: latest # real address docker pull mysql = = = docker pull docker.io/library/mysql:latestCopy the codeRemove the mirrordocker rmi
root@Win10:Desktop# docker rmi-f hello-world # Untagged: hello-world:latest Untagged: hello-world@sha256:8c5aeeb6a5f3ba4883347d3747a7249f491766ca1caa47e5da5dfcf6b9b717c0 Deleted: sha256:bf756fb1ae65adf866bd8c456593cd24beb6a0a061dedf42b26a993176745f6b root@Win10:Desktop# docker rmi -f hello-world Untagged: hello-world:latest Untagged: hello-world@sha256:8c5aeeb6a5f3ba4883347d3747a7249f491766ca1caa47e5da5dfcf6b9b717c0 Deleted: sha256:bf756fb1ae65adf866bd8c456593cd24beb6a0a061dedf42b26a993176745f6b root@Win10:Desktop# docker rmi -f $(docker Latest Untagged: mysql:latest Untagged: mysql@sha256:78800e6d3f1b230e35275145e657b82c3fb02a27b2d8e76aac2f5e90c1c30873 Deleted: sha256:a347a59280467629ae4d70ce555e3f96faca8ff2ff8c57cacc8184bebb681f66 Deleted: sha256:8c4db4ce0f63c9eec74a2e555bb7e2fa5e2de08389cbc747793aa30bc3ac04e1 Deleted: sha256:6179be2adc547662cd0ef2cb032b85809ac68923b7ab9c71e5a21b88bbe7f542 Deleted: sha256:17d702350e6aa7f240ca23090d24b059f5c324e292a77b5069225e76e0b51dd6 Deleted: sha256:5c5f95733957fd96300b5265d6b2df728415ed62e7b4b30eadd7d836d48187bf Deleted: sha256:fbf118fadaf5230c8df9a3b51c608393a8f3adb99c089ea2db253438efab1a0e Deleted: sha256:43b82d704a10e6d022fa3f31a5f827a00e339ee21dd2849a9b120ab82be9af71 Deleted: sha256:a4994702421d2b9a74c4f3810aa7ac09990e849905f23a1d8f358c826d58501f Deleted: sha256:36c598c7a6f90abf6d67cde4a58b0747bfbcc7441d3b782bdeea7cda8c9ad7b6 Deleted: sha256:86f598b4f8200bdd4ae752f916154e4e29d5b4c211bb124eb150b9957a3e0141 Deleted: sha256:9e979d97f92bf78a225c77c6b4ba74eb2e03efb95b19b69206cd17cee15a4b26 Deleted: sha256:aff48ce4678f78d83d7e9bfb9e88cd951c3da52da08779e99b6082edd1cc66f3 Deleted: sha256:87c8a1d8f54f3aa4e05569e8919397b65056aa71cdf48b7f061432c98475eee9Copy the codeContainer order
root@Win10:Desktop# docker pull centos
Copy the codeNew container startdocker run
#Docker run [Optional] ![]()
#Parameters that-p # Specify the port number -p # IP: host port: container port -p # Host port: container port -p # Container port: container port -p # Container port: container port -p # Container port: container port -p # Container port container port -p # Random port
#Running Centosroot@Win10:Desktop# docker run-it centos /bin/bash # start and enter the container [root@3c18212d26e3 /]# ls bin etc lib lost+found MNT proc run srv tmp var dev home lib64 media opt root sbin sys usr [root@3c18212d26e3 /]# exit exit root@Win10:Desktop# ls WSharkCoder - shortcut. LNK 'Wuke university assistant development specification. Md Docker. Md Desktop. Ini lecture registration form LNK 'tacomall- SpringCloud 'WSL Ubuntu Command Line Note.md' '~$.doc'Copy the codeList all containersdocker ps
#Docker ps command
#Lists running containers-n=? -n=? -q # displays only the CONTAINER number root@Win10:Desktop# docker ps # displays the running CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES root@Win10:Desktop# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES c343f41fdac9 centos "/bin/bash" 2 minutes ago Exited (127) 9 seconds ago loving_newton 3c18212d26e3 centos "/bin/bash" 2 minutes ago Exited (0) 2 minutes ago happy_goodall 0b54b1e62602 centos "/bin/bash" 9 minutes ago Exited (0) 2 minutes ago zealous_neumann 3df4665638f3 bf756fb1ae65 "/hello" 7 weeks ago Exited (0) 7 weeks ago nostalgic_sahaCopy the codeOut of the container
Exit # Container stops and exits CTRL + P + Q # Container does not stop exitingCopy the codeDeletes the specified containerdocker rm
Docker rm container ID# delete the specified container and cannot delete the running container; For mandatory delete: docker rm -f docker rm -f $(docker ps - aq) # delete all containers docker ps - a - q | xargs docker rm # delete all containersCopy the codeStart/stop the container
Docker start Docker restart Docker ID # Restart docker stop Docker ID # Stop running docker docker kill Docker ID # Forcibly stop the current containerCopy the codeOther Common Commands
Background startup container
#Docker run -d Image name
root@Win10:Desktop# docker run -d centos
0c7ae437f05d3726e4f5c92110e0330e04db43f7ee353aa20d749fc4d8bb2d6d
root@Win10:Desktop# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS
PORTS NAMES
#Problem: Docker ps does not have the container when it is running in the backend?
#After the Docker container runs in the background, there must be a foreground process. Docker will stop automatically if it finds no application.
Copy the codeSee the log
#Docker logs -f -t --tail container
#Parameters that-tf # Displays logs (with timestamp format) --tail <num> # displays the number of logsCopy the codeView container process information
#Docker Top container ID
root@Win10:Desktop# docker top af112ec23bd3
UID PID PPID C STIME TTY TIME CMD
root 2840 2823 0 21:47 pts/0 00:00:00 /bin/bash
Copy the codeView the container metadata
#Docker INSPECT Container ID
root@Win10:Desktop# docker inspect af112ec23bd3
[
{
"Id": "af112ec23bd3f895f7106a3a8991badc14584abf4d45dfc4e6d35e04b809f4d5", #容器ID
"Created": "2021-01-11T13:47:12.9095342Z", #创建时间
"Path": "/bin/bash", #路径
"Args": [], #参数
"State": { #状态
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 2840,
"ExitCode": 0,
"Error": "",
"StartedAt": "2021-01-11T13:47:14.0800604Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": #镜像ID "sha256:300e315adb2f96afe5f0b2780b87f28ae95231fe3bdd1e16b9ba606307728f55",
"ResolvConfPath": "/var/lib/docker/containers/af112ec23bd3f895f7106a3a8991badc14584abf4d45dfc4e6d35e04b809f4d5/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/af112ec23bd3f895f7106a3a8991badc14584abf4d45dfc4e6d35e04b809f4d5/hostname",
"HostsPath": "/var/lib/docker/containers/af112ec23bd3f895f7106a3a8991badc14584abf4d45dfc4e6d35e04b809f4d5/hosts",
"LogPath": "/var/lib/docker/containers/af112ec23bd3f895f7106a3a8991badc14584abf4d45dfc4e6d35e04b809f4d5/af112ec23bd3f895f7106a3a8991badc14584abf4d45dfc4e6d35e04b809f4d5-json.log",
"Name": "/compassionate_tesla",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"NetworkMode": "default",
"PortBindings": {},
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"CapAdd": null,
"CapDrop": null,
"Capabilities": null,
"Dns": [],
"DnsOptions": [],
"DnsSearch": [],
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "private",
"Cgroup": "",
"Links": null,
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"ConsoleSize": [
0,
0
],
"Isolation": "",
"CpuShares": 0,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": [],
"BlkioDeviceReadBps": null,
"BlkioDeviceWriteBps": null,
"BlkioDeviceReadIOps": null,
"BlkioDeviceWriteIOps": null,
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": [],
"DeviceCgroupRules": null,
"DeviceRequests": null,
"KernelMemory": 0,
"KernelMemoryTCP": 0,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": false,
"PidsLimit": null,
"Ulimits": null,
"CpuCount": 0,
"CpuPercent": 0,
"IOMaximumIOps": 0,
"IOMaximumBandwidth": 0,
"MaskedPaths": [
"/proc/asound",
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware"
],
"ReadonlyPaths": [
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger"
]
},
"GraphDriver": {
"Data": {
"LowerDir": "/var/lib/docker/overlay2/01f04733198f946b5597fa9f1462d4cf8dfc23952bed3dea5271b628bc2a14e5-init/diff:/var/lib/docker/overlay2/857dbd38140359f25d6c1e554a458284414ec27fe68a740c4c7d6a67bb5612ca/diff",
"MergedDir": "/var/lib/docker/overlay2/01f04733198f946b5597fa9f1462d4cf8dfc23952bed3dea5271b628bc2a14e5/merged",
"UpperDir": "/var/lib/docker/overlay2/01f04733198f946b5597fa9f1462d4cf8dfc23952bed3dea5271b628bc2a14e5/diff",
"WorkDir": "/var/lib/docker/overlay2/01f04733198f946b5597fa9f1462d4cf8dfc23952bed3dea5271b628bc2a14e5/work"
},
"Name": "overlay2"
},
"Mounts": [],
"Config": {
"Hostname": "af112ec23bd3",
"Domainname": "",
"User": "",
"AttachStdin": true,
"AttachStdout": true,
"AttachStderr": true,
"Tty": true,
"OpenStdin": true,
"StdinOnce": true,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
],
"Cmd": [
"/bin/bash"
],
"Image": "centos",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": null,
"OnBuild": null,
"Labels": {
"org.label-schema.build-date": "20201204",
"org.label-schema.license": "GPLv2",
"org.label-schema.name": "CentOS Base Image",
"org.label-schema.schema-version": "1.0",
"org.label-schema.vendor": "CentOS"
}
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "e46430bd77a7d305766d041539da1cffef18005fea23102425f68bc48e3e453b",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {},
"SandboxKey": "/var/run/docker/netns/e46430bd77a7",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "73e3e993e3ff97dcae6dbbe13d60e04d6cc6c203311e3ad2a5eae237df597ec5",
"Gateway": "172.17.0.1",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"MacAddress": "02:42:ac:11:00:02",
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "365a4c0425fa7e56734ab48ebf6da2047a15708b20377dca45a73ab405b1fbde",
"EndpointID": "73e3e993e3ff97dcae6dbbe13d60e04d6cc6c203311e3ad2a5eae237df597ec5",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:02",
"DriverOpts": null
}
}
}
}
]
Copy the codeGo to the currently running container
#Usually the container is running in the background, there is a need to enter the container to modify the configuration file
#Methods a
#docker exec- it IDbashShell container
#test
root@Win10:Desktop# docker exec -it af112ec23bd3 /bin/bash
[root@af112ec23bd3 /]# ls
bin dev etc home lib lib64 lost+found media mnt opt proc root run sbin srv sys tmp usr var
#Way 2
#Docker ATTACH container ID
#test
root@Win10:Desktop# docker attach af112ec23bd3
[root@af112ec23bd3 src]#
#The difference between them:
#docker exec Open a new terminal after entering the container, can operate in the new terminal;
#docker attach # If you enter a terminal that is executing in the container, no new process will be started.
Copy the codeCopy files from the container to the host
#Docker CP Container ID: container PATH Host PATH
#test[root@af112ec23bd3 SRC]# touch test.txt # Create file in container [root@af112ec23bd3 SRC]# exit # Exit root@Win10:Desktop# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES af112ec23bd3 centos "/bin/bash" 48 minutes ago Exited (0) 7 seconds ago compassionate_tesla 8a629d96378a centos "/bin/bash" 48 minutes ago Exited (0) 48 minutes ago nifty_kilby C49a9ee5acd2 centos "/bin/sh -c 'while..." 49 minutes ago Exited (127) 49 minutes ago quizzical_buck 0b8c449f610c centos "/bin/sh -c 'while t..." 3 hours ago Exited (127) 3 hours ago brave_knuth 4f76f3259f6b centos "/bin/bash -c 'while..." 3 hours ago Exited (127) 3 hours ago vigilant_wing fb617b7afe78 centos "-C 'while true; Do e..." 3 hours ago Created naughty_franklin 2a979838e425 centos "/bin/bash" 3 hours ago Exited (0) 3 hours ago amazing_goldwasser 0c7ae437f05d centos "/bin/bash" 3 hours ago Exited (0) 3 hours ago eloquent_maxwell 157ebdeb0df4 centos "/bin/bash" 3 hours ago Exited (0) 3 hours ago romantic_antonelli 6a4e7d5ffe18 centos "/bin/bash" 3 hours ago Exited (0) 3 hours ago interesting_ptolemy 3484e4aa3e54 centos "/bin/bash" 3 hours ago Exited (0) 3 hours ago pensive_elgamal c343f41fdac9 centos "/bin/bash" 3 hours ago Exited (127) 3 hours ago loving_newton 3c18212d26e3 centos "/bin/bash" 3 hours ago Exited (0) 3 hours ago happy_goodall 0b54b1e62602 centos "/bin/bash" 3 hours ago Exited (0) 3 hours ago zealous_neumann 3df4665638f3 bf756fb1ae65 "/hello" 8 weeks ago Exited (0) 8 weeks ago nostalgic_saha#Put af112EC23bd3 in /usr/localCopy the/SRC/test. TXT file to the current directory
root@Win10:Desktop# docker cp af112ec23bd3:/usr/local/src/Test.txt ./
Copy the codesummary
Docker version Show the Docker version information docker info Display system-wide information Docker images List images # docker search search docker-hub for images # docker-hub Image or a repository from a register docker RMi Remove one or more images Docker rm Remove one or more containers Start start one or more containers # Docker restart One or more containers # Restart one or more containers Docker stop containers stop one or more running containers Docker top Display the running processes of a container docker logs Fetch the logs of a container Container # Check log information docker inspect Return low-level information on docker objects docker exec Run a command Docker Attach Attach local standard input, output, Docker cp Copy Files /folders between a container and the local docker cp Copy Files /folders between a container and the local Filesystem # copies files from the container to the current systemCopy the code