docker [OPTIONS] command

Usage: docker [OPTIONS] COMMAND [arg...]

      docker daemon [ --help | ... ]

      docker [ -h | --help | -v | --version ]

 

A self-sufficient runtime for

Options:

 --config=~/.docker             Location of client config files

false

  -H,--host=[]                   Daemonsocket(s) to connect to

false

  -l,--log-level=info            Set the logginglevel

false

this

 --tlscert=~/.docker/cert.pem   Path to TLS certificate file

 --tlskey=~/.docker/key.pem     Path to TLS key file

false

false


attach

Attach to a running container

将终端依附到容器上

Usage:  docker attach [OPTIONS] CONTAINER

Attach to a running container

  --help=false        Print usage

  --no-stdin=false    Do not attach STDIN

  --sig-proxy=true    Proxy all received signals to the process

为后端运行的交互式的容器启用一个终端与之交互。

1.后台有一个可以交互的容器.

docker 完整 COMMAND_操作系统

2.启动该容器.

docker 完整 COMMAND_docker 完整 COMMAND_02

3.通过attach启动终端与之交互

docker 完整 COMMAND_后端_03


build


Usage:  docker build [OPTIONS] PATH | URL | -

Build an p_w_picpath from a Dockerfile


  --build-arg=[]                  Set build-time variables

  --cpu-shares=0                  CPU shares (relative weight)

  --cgroup-parent=                Optional parent cgroup for the container

  --cpu-period=0                  Limit the CPU CFS (Completely Fair Scheduler) period

  --cpu-quota=0                   Limit the CPU CFS (Completely Fair Scheduler) quota

  --cpuset-cpus=                  CPUs in which to allow execution (0-3, 0,1)

  --cpuset-mems=                  MEMs in which to allow execution (0-3, 0,1)

  --disable-content-trust=true    Skip p_w_picpath verification

  -f, --file=                     Name of the Dockerfile (Default is 'PATH/Dockerfile')

  --force-rm=false                Always remove intermediate containers

  --help=false                    Print usage

  -m, --memory=                   Memory limit

  --memory-swap=                  Total memory (memory + swap), '-1' to disable swap

  --no-cache=false                Do not use cache when building the p_w_picpath

  --pull=false                    Always attempt to pull a newer version of the p_w_picpath

  -q, --quiet=false               Suppress the verbose output generated by the containers

  --rm=true                       Remove intermediate containers after a successful build

  -t, --tag=                      Repository name (and optionally a tag) for the p_w_picpath

  --ulimit=[]                     Ulimit options


通过Dockerfile创建镜像。具体见以后的使用中。



commit


Usage:  docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]

Create a new p_w_picpath from a container's changes


  -a, --author=       Author (e.g., "John Hannibal Smith <hannibal@a-team.com>")

  -c, --change=[]     Apply Dockerfile instruction to the created p_w_picpath

  --help=false        Print usage

  -m, --message=      Commit message

  -p, --pause=true    Pause container during commit


通过容器创建本地镜像.

可自定义tag，如docker commit dc806ee0bf86 web:v1

不指定tag的情况下默认tag为latest

root@ubuntu:~# docker commit dc806ee0bf86test

1e488386876e14ef3e930a98ec0bb49de1890963e2e979069f9f4d87f89f4959

docker 完整 COMMAND_操作系统_04


cp

Usage:  docker cp [OPTIONS] CONTAINER:PATH LOCALPATH|-

        docker cp [OPTIONS] LOCALPATH|- CONTAINER:PATH


Copy files/folders between a container and the local filesystem

Use '-' as the source to read a tar archive from stdin

and extract it to a directory destination in a container.

Use '-' as the destination to stream a tar archive of a

container source to stdout.

容器和宿主机之间相互copy文件

1.将容器:/data/a.txt复制到本地当前目录

# docker cp 87cb69be18bb:/data/a.txt ./

2.将本地文件复制到容器:/data/backup目录下

#docker cp helpdocker.tgz87cb69be18bb:/data/backup/

3.将本地目录复制到容器:/data/backup目录下

#docker cp data 87cb69be18bb:/data/backup


create

Usage:  docker create [OPTIONS] IMAGE [COMMAND] [ARG...]

Create a new container

  -a, --attach=[]                 Attach to STDIN, STDOUT or STDERR

  --add-host=[]                   Add a custom host-to-IP mapping (host:ip)

  --blkio-weight=0                Block IO (relative weight), between 10 and 1000

  --cpu-shares=0                  CPU shares (relative weight)

  --cap-add=[]                    Add Linux capabilities

  --cap-drop=[]                   Drop Linux capabilities

  --cgroup-parent=                Optional parent cgroup for the container

  --cidfile=                      Write the container ID to the file

  --cpu-period=0                  Limit CPU CFS (Completely Fair Scheduler) period

  --cpu-quota=0                   Limit CPU CFS (Completely Fair Scheduler) quota

  --cpuset-cpus=                  CPUs in which to allow execution (0-3, 0,1)

  --cpuset-mems=                  MEMs in which to allow execution (0-3, 0,1)

  --device=[]                     Add a host device to the container

  --disable-content-trust=true    Skip p_w_picpath verification

  --dns=[]                        Set custom DNS servers

  --dns-opt=[]                    Set DNS options

  --dns-search=[]                 Set custom DNS search domains

  -e, --env=[]                    Set environment variables

  --entrypoint=                   Overwrite the default ENTRYPOINT of the p_w_picpath

  --env-file=[]                   Read in a file of environment variables

  --expose=[]                     Expose a port or a range of ports

  --group-add=[]                  Add additional groups to join

  -h, --hostname=                 Container host name

  --help=false                    Print usage

  -i, --interactive=false         Keep STDIN open even if not attached

  --ipc=                          IPC namespace to use

  --kernel-memory=                Kernel memory limit

  -l, --label=[]                  Set meta data on a container

  --label-file=[]                 Read in a line delimited file of labels

  --link=[]                       Add link to another container

  --log-driver=                   Logging driver for container

  --log-opt=[]                    Log driver options

  --lxc-conf=[]                   Add custom lxc options

  -m, --memory=                   Memory limit

  --mac-address=                  Container MAC address (e.g. 92:d0:c6:0a:29:33)

  --memory-reservation=           Memory soft limit

  --memory-swap=                  Total memory (memory + swap), '-1' to disable swap

  --memory-swappiness=-1          Tuning container memory swappiness (0 to 100)

  --name=                         Assign a name to the container

  --net=default                   Set the Network for the container

  --oom-kill-disable=false        Disable OOM Killer

  -P, --publish-all=false         Publish all exposed ports to random ports

  -p, --publish=[]                Publish a container's port(s) to the host

  --pid=                          PID namespace to use

  --privileged=false              Give extended privileges to this container

  --read-only=false               Mount the container's root filesystem as read only

  --restart=no                    Restart policy to apply when a container exits

  --security-opt=[]               Security Options

  --stop-signal=SIGTERM           Signal to stop a container, SIGTERM by default

  -t, --tty=false                 Allocate a pseudo-TTY

  -u, --user=                     Username or UID (format: <name|uid>[:<group|gid>])

  --ulimit=[]                     Ulimit options

  --uts=                          UTS namespace to use

  -v, --volume=[]                 Bind mount a volume

  --volume-driver=                Optional volume driver for the container

  --volumes-from=[]               Mount volumes from the specified container(s)

  -w, --workdir=                  Working directory inside the container

创建但不启动一个容器.具体参数同docker run.


diff

Usage:  docker diff [OPTIONS] CONTAINER

Inspect changes on a container's filesystem

  --help=false       Print usage

查看容器内发生变化的文件。

# docker diff 87cb69be18bb

A /data

A /data/a.txt

A /data/b

A /data/backup

A /data/backup/data

A /data/backup/helpdocker.tgz

C /root

A /root/.bash_history


events

Usage:  docker events [OPTIONS]

Get real time events from the server

  -f, --filter=[]    Filter output based on conditions provided

  --help=false       Print usage

  --since=           Show all events created since timestamp

  --until=           Stream events until this timestamp

实时输出docker服务器端的事件，包括容器的创建、启动、关闭等。

# docker events

2016-08-26T10:42:08.001137030+08:00 87cb69be18bbe74ea9e14b16228ccc3347dcffb3e074fa303ca32deb46417105: (from ubuntu:14.04) die


exec

Usage:  docker exec [OPTIONS] CONTAINER COMMAND [ARG...]

Run a command in a running container

  -d, --detach=false         Detached mode: run command in the background

  --help=false               Print usage

  -i, --interactive=false    Keep STDIN open even if not attached

  --privileged=false         Give extended privileges to the command

  -t, --tty=false            Allocate a pseudo-TTY

  -u, --user=                Username or UID (format: <name|uid>[:<group|gid>])

通过宿主机在正在运行的容器上执行命令。

通过宿主机在容器上创建文件

# docker exec 87cb69be18bb touch/root/abc.txt

可通过exec命令申请一个终端，执行shell

# docker exec -it 87cb69be18bb /bin/bash

root@87cb69be18bb:/# ls

abc  bin  boot  data  dev  etc  home  ifconfig  lib  lib64  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var


export

Usage:  docker export [OPTIONS] CONTAINER

Export a container's filesystem as a tar archive

  --help=false       Print usage

  -o, --output=      Write to a file, instead of STDOUT

将容器的文件系统打包成tar文件

两种方式：

# docker export 87cb69be18bb > web.tar

# docker export -o web.tar 87cb69be18bb


history

Usage:  docker history [OPTIONS] IMAGE

Show the history of an p_w_picpath

  -H, --human=true     Print sizes and dates in human readable format

  --help=false         Print usage

  --no-trunc=false     Don't truncate output

  -q, --quiet=false    Only show numeric IDs

显示一个镜像的历史

root@ubuntu:~# docker history ubuntu:14.04

IMAGE       CREATED                           CREATED BY         SIZE    COMMENT

d9560c05d6bd   2 weeks ago         /bin/sh -c #(nop) CMD ["/bin/bash"]             0 B                 

001bed837092   2 weeks ago         /bin/sh -c sed -i 's/^#\s*\(deb.*universe\)$/   1.895 kB            

92b3f03280cc    2 weeks ago         /bin/sh -c rm -rf /var/lib/apt/lists/*          0 B                 

24e6f8fb4abf     2 weeks ago         /bin/sh -c set -xe   && echo '#!/bin/sh' > /u   194.6 kB            

50ed19911a3e    2 weeks ago         /bin/sh -c #(nop) ADD file:4f5a660d3f5141588d   187.8 MB


p_w_picpaths

Usage:  docker p_w_picpaths [OPTIONS] [REPOSITORY[:TAG]]

List p_w_picpaths

  -a, --all=false      Show all p_w_picpaths (default hides intermediate p_w_picpaths)

  --digests=false      Show digests

  -f, --filter=[]      Filter output based on conditions provided

  --help=false         Print usage

  --no-trunc=false     Don't truncate output

  -q, --quiet=false    Only show numeric IDs

显示所有的镜像.


import

Usage:  docker import [OPTIONS] file|URL|- [REPOSITORY[:TAG]]

Import the contents from a tarball to create a filesystem p_w_picpath

  -c, --change=[]    Apply Dockerfile instruction to the created p_w_picpath

  --help=false       Print usage

  -m, --message=     Set commit message for imported p_w_picpath

根据export出的tar文件创建一个镜像.

# docker import web.tar web

docker 完整 COMMAND_docker 完整 COMMAND_05


info

Usage:  docker info [OPTIONS]

Display system-wide information

  --help=false       Print usage

# docker info

Containers: 1

Images: 25

Server Version: 1.9.1

Storage Driver: aufs

 Root Dir: /var/lib/docker/aufs

 Backing Filesystem: extfs

 Dirs: 27

 Dirperm1 Supported: false

Execution Driver: native-0.2

Logging Driver: json-file

Kernel Version: 3.13.0-32-generic

Operating System: Ubuntu 14.04.1 LTS

CPUs: 1

Total Memory: 986.8 MiB

Name: ubuntu

ID: ALLP:KE4W:ITY7:WUL6:QKUG:4CGB:R6IA:2UXG:227D:K6BF:EDLL:27TX

WARNING: No swap limit support


inspect

Usage:  docker inspect [OPTIONS] CONTAINER|IMAGE [CONTAINER|IMAGE...]

Return low-level information on a container or p_w_picpath

  -f, --format=       Format the output using the given go template

  --help=false        Print usage

  -s, --size=false    Display total file sizes if the type is container

  --type=             Return JSON for specified type, (e.g p_w_picpath or container)

用于查看容器的配置信息，包含容器名、环境变量、运行命令、主机配置、网络配置和数据卷配置等。

# docker inspect 87cb69be18bb


kill

Usage:  docker kill [OPTIONS] CONTAINER [CONTAINER...]

Kill a running container

  --help=false         Print usage

  -s, --signal=KILL    Signal to send to the container

强制终止容器

关于stop和kill的区别，docker stop命令给容器中的进程发送SIGTERM信号，默认行为是会导致容器退出，当然，容器内程序可以捕获该信号并自行处理，例如可以选择忽略。而dockerkill则是给容器的进程发送SIGKILL信号，该信号将会使容器必然退出。


load

Usage:  docker load [OPTIONS]

Load an p_w_picpath from a tar archive or STDIN

  --help=false       Print usage

  -i, --input=       Read from a tar archive file, instead of STDIN

与下面的save命令相对应，将下面sava命令打包的镜像通过load命令导入。


login

Usage:  docker login [OPTIONS] [SERVER]

Register or log in to a Docker registry.

If no server is specified "https://index.docker.io/v1/" is the default.

  -e, --email=       Email

  --help=false       Print usage

  -p, --password=    Password

  -u, --username=    Username

登录到自己的Docker register，需有Docker Hub的注册账号.


logout

Usage:  docker logout [OPTIONS] [SERVER]

Log out from a Docker registry.

If no server is specified "https://index.docker.io/v1/" is the default.

  --help=false       Print usage

从Docker register退出登录。


logs

Fetch the logs of a container

  -f, --follow=false        Follow log output

  --help=false              Print usage

  --since=                  Show logs since timestamp

  -t, --timestamps=false    Show timestamps

  --tail=all                Number of lines to show from the end of the logs

用于查看容器的日志，它将输入(出)到容器标准输入(出)的数据，作为日志输出到docker logs命令的终端上。常用于后台型容器。

87cb69be18bb是一个数据流为输入、输出和错误和容器，如下命令则会打印该容器的所有交互日志。

# docker logs 87cb69be18bb




转载于:https://blog.51cto.com/showing/1844078