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docker [OPTIONS] command
Usage: docker [OPTIONS] COMMAND [arg…]
docker daemon [--help | ...]
docker [-h | --help | -v | --version]
A self-sufficient runtime for containers.
Options:
–config=~/.docker Location of client config files
-D, –debug=false Enable debug mode
-H, –host=[] Daemon socket(s) to connect to
-h, –help=false Print usage
-l, –log-level=info Set the logging level
–tls=false Use TLS; implied by –tlsverify
–tlscacert=~/.docker/ca.pem Trust certs signed only by this CA
–tlscert=~/.docker/cert.pem Path to TLS certificate file
–tlskey=~/.docker/key.pem Path to TLS key file
–tlsverify=false Use TLS and verify the remote
-v, –version=false Print version information and quit
attach
Attach to a running container
将终端附丽到容器上
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
build
Usage: docker build [OPTIONS] PATH | URL | –
Build an image 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 image 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 image
–pull=false Always attempt to pull a newer version of the image
-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 image
–ulimit=[] Ulimit options
通过 Dockerfile 创立镜像。具体见当前的应用中。
commit
Usage: docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
Create a new image from a container’s changes
-a, –author= Author (e.g., “John Hannibal Smith mailto:hannibal@a-team.com”)
-c, –change=[] Apply Dockerfile instruction to the created image
–help=false Print usage
-m, –message= Commit message
-p, –pause=true Pause container during commit
通过容器创立本地镜像.
可自定义 tag，如 docker commit dc806ee0bf86 web:v1
不指定 tag 的状况下默认 tag 为 latest
root@ubuntu:~# docker commit dc806ee0bf86 test
1e488386876e14ef3e930a98ec0bb49de1890963e2e979069f9f4d87f89f4959
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.
容器和宿主机之间互相 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.tgz 87cb69be18bb:/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 image 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 image
–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
创立但不启动一个容器. 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
实时输入 docker 服务器端的事件，包含容器的创立、启动、敞开等。
$ 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立文件
$ 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
两种形式：
$ docker export 87cb69be18bb > web.tar
$ docker export -o web.tar 87cb69be18bb
history
Usage: docker history [OPTIONS] IMAGE
Show the history of an image
-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
$ 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
images
Usage: docker images [OPTIONS] [REPOSITORY[:TAG]]
List images
-a, –all=false Show all images (default hides intermediate images)
–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 image
-c, –change=[] Apply Dockerfile instruction to the created image
–help=false Print usage
-m, –message= Set commit message for imported image
依据 export 出的 tar 文件创建一个镜像，和 export 相结合应用，这种形式容器的层构造将会失落。
info
Usage: docker info [OPTIONS]
Display system-wide information
–help=false Print usage
查看 docker 的全局信息.
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 image
-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 image or container)
用于查看容器的所有配置信息，蕴含容器名、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 nextcloud
[
{
"Id": "4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca",
"Created": "2018-08-10T03:28:36.570570242Z",
"Path": "/bin/bash",
"Args": [],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 19066,
"ExitCode": 0,
"Error": "","StartedAt":"2018-08-15T01:51:36.80771433Z","FinishedAt":"2018-08-15T01:51:36.267209678Z"},"Image":"sha256:c3342f6abac82e375ec5c5e64be74afee47af31e39ba480a55fd912aa45a722b","ResolvConfPath":"/var/lib/docker/containers/4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca/resolv.conf","HostnamePath":"/var/lib/docker/containers/4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca/hostname","HostsPath":"/var/lib/docker/containers/4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca/hosts","LogPath":"/var/lib/docker/containers/4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca/4f798fc8f1b5bcde38aa3702a02e06d996ae4608e8c369237754ae50e950f7ca-json.log","Name":"/nextcloud","RestartCount": 2,"Driver":"overlay2","Platform":"linux","MountLabel":"",
"ProcessLabel": "","AppArmorProfile":"docker-default","ExecIDs": null,
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.
对于 stop 和 kill 的区别:
docker stop 命令给容器中的过程发送 SIGTERM 信号，默认行为是会导致容器退出，当然，容器内程序能够捕捉该信号并自行处理，例如能够抉择疏忽。而 dockerkill 则是给容器的过程发送 SIGKILL 信号，该信号将会使容器必然退出。
load
Usage: docker load [OPTIONS]
Load an image from a tar archive or STDIN
–help=false Print usage
-i, –input= Read from a tar archive file, instead of STDIN
与上面的 save 命令绝对应，将上面 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
登录到本人的 Docker register，需有 Docker Hub 的注册账号，或者自行搭建的公有仓库。
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，它将输出 (出) 到容器规范输出 (出) 的数据，作为日志输入到 docker logs 命令的终端上。罕用于后盾型容器。
87cb69be18bb 是一个数据流为输出、输入和谬误和容器，如下命令则会打印该容器的所有交互日志。
docker logs 87cb69be18bb
来个综合点的，查问容器最新的 3 条日志并打上工夫戳：
docker logs -f -t –tail=3 nextcloud
2018-08-15T01:51:23.500951699Z root@nextcloud:/#
2018-08-15T01:51:36.154541783Z root@nextcloud:/# exit
2018-08-15T01:51:36.154917668Z exit
network
Usage: docker network [OPTIONS] COMMAND [OPTIONS]
Commands:
create Create a network
connect Connect container to a network
disconnect Disconnect container from a network
inspect Display detailed network information
ls List all networks
rm Remove a network
创立网络
Usage: docker network create [OPTIONS] NETWORK-NAME
Creates a new network with a name specified by the user
–aux-address=map[] auxiliary ipv4 or ipv6 addresses used by Network driver
-d, –driver=bridge Driver to manage the Network
–gateway=[] ipv4 or ipv6 Gateway for the master subnet
–help=false Print usage
–ip-range=[] allocate container ip from a sub-range
–ipam-driver=default IP Address Management Driver
-o, –opt=map[] set driver specific options
–subnet=[] subnet in CIDR format that represents a network segment
自定义网络，可指定网段、网关等参数。
创立一个 my_network 的网络，–ip-range：指定子网段，–subnet：指定一个网段
$ docker network create -d bridge –ip-range=192.168.1.0/24 –subnet=192.168.1.0/24 my_network
查看网络
Usage: docker network inspect [OPTIONS] NETWORK [NETWORK…]
Displays detailed information on a network
$ docker network inspect my_network
[
{
"Name": "my_network",
"Id": "414e1dd5d71ea709be885be5c283ed8080c8ca22e9baad0dc242865dd39164fd",
"Scope": "local",
"Driver": "bridge",
"IPAM": {
"Driver": "default",
"Config": [
{
"Subnet": "192.168.1.0/24",
"IPRange": "192.168.1.0/24"
}
]
},
"Containers": {},
"Options": {}
}
]
列出网络
Usage: docker network ls [OPTIONS]
Lists networks
–no-trunc=false Do not truncate the output
-q, –quiet=false Only display numeric IDs
$ docker network ls
NETWORK ID NAME DRIVER
90b8ebd11e4f bridge bridge
77dd4f913ba1 none null
65dfd6ebddab host host
414e1dd5d71e my_network bridge
bridge 为默认的网络，172.17.0.0/16 网段
my_network 为自定义的网格
删除网络
Usage: docker network rm [OPTIONS] NETWORK
Deletes a network
$ docker network rm my_network1
连贯网络
Usage: docker network connect [OPTIONS] NETWORK CONTAINER
Connects a container to a network
将容器连贯到指定的网络。
1. 创立一个容器，不指定网络，默认会用 bridge 网络。
$ #docker run -it –name=web ubuntu:14.04 /bin/bash
会看到默认有 eth0：172.17.0.0/16 段
root@d35ef0bda3fb:/# ifconfig
eth0 Link encap:Ethernet HWaddr 02:42:ac:11:00:02
inet addr:172.17.0.2 Bcast:0.0.0.0 Mask:255.255.0.0
inet6 addr: fe80::42:acff:fe11:2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:5 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:418 (418.0 B) TX bytes:508 (508.0 B)
2. 将该容器连贯到 my_network 网络
连贯到的容器必须是 running 状态。
$ docker network connect my_network web
3. 查看容器网络状态
会看到多出一个 eth1：192.168.1.0/24 网段
root@d35ef0bda3fb:/# ifconfig
eth0 Link encap:Ethernet HWaddr 02:42:ac:11:00:02
inet addr:172.17.0.2 Bcast:0.0.0.0 Mask:255.255.0.0
inet6 addr: fe80::42:acff:fe11:2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:8 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:648 (648.0 B) TX bytes:648 (648.0 B)
eth1 Link encap:Ethernet HWaddr 02:42:c0:a8:01:02
inet addr:192.168.1.2 Bcast:0.0.0.0 Mask:255.255.255.0
inet6 addr: fe80::42:c0ff:fea8:102/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:8 errors:0 dropped:0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:648 (648.0 B) TX bytes:648 (648.0 B)
断开网络
Usage: docker network disconnect [OPTIONS] NETWORK CONTAINER
Disconnects container from a network
将容器与一个网络断开
docker network disconnect my_network web
断开后该容器不在领有该网络的地址。
pause
Usage: docker pause [OPTIONS] CONTAINER [CONTAINER…]
Pause all processes within a container
–help=false Print usage
暂停容器内的所有过程。
此时，通过 docker stats 能够察看到此时的资源应用状况是固定不变的，通过 docker logs - f 也察看不到日志的进一步输入。
$ docker pause 87cb69be18bb
容器的状态变为：Up About an hour (Paused)
docker unpause 重新启动一个容器。
port
Usage: docker port [OPTIONS] CONTAINER [PRIVATE_PORT[/PROTO]]
List port mappings or a specific mapping for the CONTAINER
输入容器端口与宿主机端口的映射状况
docker port blog
80/tcp -> 0.0.0.0:80
容器 blog 的外部端口 80 映射到宿主机的 80 端口，这样可通过宿主机的 80 端口查看容器 blog 提供的服务
ps
Usage: docker ps [OPTIONS]
List containers
-a, –all=false Show all containers (default shows just running)
–before= Show only container created before Id or Name
-f, –filter=[] Filter output based on conditions provided
–format= Pretty-print containers using a Go template
–help=false Print usage
-l, –latest=false Show the latest created container, include non-running
-n=-1 Show n last created containers, include non-running
–no-trunc=false Don’t truncate output
-q, –quiet=false Only display numeric IDs
-s, –size=false Display total file sizes
–since= Show created since Id or Name, include non-running
列出所有容器，其中 docker ps 用于查看正在运行的容器，ps - a 则用于查看所有容器。
pull
Usage: docker pull [OPTIONS] NAME[:TAG|@DIGEST]
Pull an image or a repository from a registry
-a, –all-tags=false Download all tagged images in the repository
–disable-content-trust=true Skip image verification
–help=false Print usage
从 registry 中拉取镜像。
push
Usage: docker push [OPTIONS] NAME[:TAG]
Push an image or a repository to a registry
–disable-content-trust=true Skip image signing
–help=false Print usage
本地的镜像上传到 registry 中
rename
Usage: docker rename [OPTIONS] OLD_NAME NEW_NAME
Rename a container
–help=false Print usage
更改容器的名字.
将容器 tender_lichterman 更名为 web1.
docker rename tender_lichterman web1
restart
Usage: docker restart [OPTIONS] CONTAINER [CONTAINER…]
Restart a container
–help=false Print usage
-t, –time=10 Seconds to wait for stop before killing the container
重启一个容器。
rm
Usage: docker rm [OPTIONS] CONTAINER [CONTAINER…]
Remove one or more containers
-f, –force=false Force the removal of a running container (uses SIGKILL)
–help=false Print usage
-l, –link=false Remove the specified link
-v, –volumes=false Remove the volumes associated with the container
删除容器。
不能够删除一个运行中的容器，必须先用 docker stop 或 docker kill 使其进行。
当然能够强制删除，必须加 - f 参数。
如果要一次性删除所有容器，可应用 docker rm -f $(docker ps -a -q)，其中，- q 指的是只列出容器的 ID。
rmi
Usage: docker rmi [OPTIONS] IMAGE [IMAGE…]
Remove one or more images
-f, –force=false Force removal of the image
–help=false Print usage
–no-prune=false Do not delete untagged parents
删除一个或多个镜像。
save
Usage: docker save [OPTIONS] IMAGE [IMAGE…]
Save an image(s) to a tar archive (streamed to STDOUT by default)
–help=false Print usage
-o, –output= Write to a file, instead of STDOUT
将镜像打包，与下面的 load 命令绝对应.
两种形式：
docker save webserver >webserver.tar
docker save -o webserver.tar webserver:v1
search
Usage: docker search [OPTIONS] TERM
Search the Docker Hub for images
–automated=false Only show automated builds
–help=false Print usage
–no-trunc=false Don’t truncate output
-s, –stars=0 Only displays with at least x stars
查找镜像。
start
Usage: docker start [OPTIONS] CONTAINER [CONTAINER…]
Start one or more stopped containers
-a, –attach=false Attach STDOUT/STDERR and forward signals
–help=false Print usage
-i, –interactive=false Attach container’s STDIN
启动一个或多个进行的镜像。
启动一个镜像并启动一个交互试的终端。
$ docker start -ia 87cb69be18bb
root@87cb69be18bb:/# ls
stats
Usage: docker stats [OPTIONS] CONTAINER [CONTAINER…]
Display a live stream of container(s) resource usage statistics
–help=false Print usage
–no-stream=false Disable streaming stats and only pull the first result
动态显示容器的资源耗费状况，包含：CPU、内存、网络 I /O.
stop
Usage: docker stop [OPTIONS] CONTAINER [CONTAINER…]
Stop a running container.
Sending SIGTERM and then SIGKILL after a grace period
–help=false Print usage
-t, –time=10 Seconds to wait for stop before killing it
进行一个正在运行的容器。
tag
Usage: docker tag [OPTIONS] IMAGE[:TAG] REGISTRYHOST/NAME[:TAG]
Tag an image into a repository
-f, –force=false Force
–help=false Print usage
对 repository 中的镜像进行重命名。tag 后的镜像和原镜像领有雷同的 ID。
top
Usage: docker top [OPTIONS] CONTAINER
Display the running processes of a container
查看容器中正在运行的过程。
$ docker top 87cb69be18bb
UID PID PPID C STIME TTY TIME CMD
root 512 679 0 12:59 pts/3 00:00:00 /bin/bash
unpause
Usage: docker unpause [OPTIONS] CONTAINER [CONTAINER…]
Unpause all processes within a container
–help=false Print usage
复原容器内暂停的过程，与 pause 参数绝对应。
version
Usage: docker version [OPTIONS]
Show the Docker version information
-f, –format= Format the output using the given go template
–help=false Print usage
查看 docker 版本信息
$ docker version
Client:
Version: 1.9.1
API version: 1.21
Go version: go1.4.3
Git commit: a34a1d5
Built: Fri Nov 20 17:56:04 UTC 2015
OS/Arch: linux/amd64
Server:
Version: 1.9.1
API version: 1.21
Go version: go1.4.3
Git commit: a34a1d5
Built: Fri Nov 20 17:56:04 UTC 2015
OS/Arch: linux/amd64
volume
Usage: docker volume [OPTIONS] [COMMAND]
Manage Docker volumes
Commands:
create Create a volume
inspect Return low-level information on a volume
ls List volumes
rm Remove a volume
治理 docker 数据卷.
创立数据卷
Usage: docker volume create [OPTIONS]
Create a volume
-d, –driver=local Specify volume driver name
–name= Specify volume name
-o, –opt=map[] Set driver specific options
1. 创立一个名为 data_v 的数据卷
$ docker volume create –name=’data_v’
2. 创立完数据卷后，其余容器即可挂载该容器。可用于数据共享。
3. 创立一个容器，把名为 data_v 的数据卷挂载到容器的 /data 目录
$ docker run -it -v data_v:/data ubuntu:14.04 /bin/bash
查看数据卷
Usage: docker volume inspect [OPTIONS] VOLUME [VOLUME…]
Return low-level information on a volume
-f, –format= Format the output using the given go template
查看刚刚创立的数据卷
$ docker volume inspect data_v
[
{
"Name": "data_v",
"Driver": "local",
"Mountpoint": "/var/lib/docker/volumes/data_v/_data"
}
]
列出数据卷
Usage: docker volume ls [OPTIONS]
List volumes
-f, –filter=[] Provide filter values (i.e. ‘dangling=true’)
-q, –quiet=false Only display volume names
$ docker volume ls
DRIVER VOLUME NAME
local 04ad14c9c5dbeecd08fe37927024b73efc809da9698eb7000c63e214e929ec15
local 067591aee8ac7ab721de3cba6896c9574703d434604e74f97ff489eecda42777
local 127dcc895206f024f9ece5d88da97db7ea0a9b689f2cf662a38f9baaba441755
local 19fc4d60583be9cda8b0d3f408e64c69efcad90dcab617655b22983588cc8a7c
local 1a1020d07eddf1d796dcef60e89f4a65cfd440c4817ea5d2d9cc608af8b3c139
删除数据卷
Usage: docker volume rm [OPTIONS] VOLUME [VOLUME…]
$ docker volume rm data_v
wait
Usage: docker wait [OPTIONS] CONTAINER [CONTAINER…]
Block until a container stops, then print its exit code
–help=false Print usage
捉容器进行时的退出码。
执行此命令后，该命令会“hang”在以后终端，直到容器进行，此时，会打印出容器的退出码。
未完待续 ……
