Docker(1.11.1)命令

摘要：查看当前的版本信息查看帮助信息使用过程中可以使用提供的帮助功能查看命令的用法与相关信息。举例说明想要查看命令的使用方法和参数含义。

查看当前Docker的版本信息；

root@willem:~# docker version
Client:
 Version:      1.11.1
 API version:  1.23
 Go version:   go1.5.4
 Git commit:   5604cbe
 Built:        Tue Apr 26 23:30:23 2016
 OS/Arch:      linux/amd64

Server:
 Version:      1.11.1
 API version:  1.23
 Go version:   go1.5.4
 Git commit:   5604cbe
 Built:        Tue Apr 26 23:30:23 2016
 OS/Arch:      linux/amd64

查看Docker帮助信息；
使用过程中可以使用Docker提供的帮助功能查看命令的用法与相关信息。

docker --help

Docker基本语法；

Usage: docker [OPTIONS] COMMAND [arg...]
       docker daemon [ --help | ... ]
       docker [ --help | -v | --version ]

A self-sufficient runtime for containers.

选项；

Options:
  
  # 指定Docker客户端配置文件的路径；
  --config=~/.docker              Location of client config files
  # 是否使用Debug模式，默认为false；
  -D, --debug                     Enable debug mode
  # 在daemon模式下绑定的socket，通过一个或多个 tcp://host:port, unix:///path/to/socket, fd://* or fd://socketfd来指定；
  -H, --host=[]                   Daemon socket(s) to connect to
  # 查看帮助信息，-h 和 --help 是一样的；
  -h, --help                      Print usage
  # 设置日志等级，-l 和 --log-level 是一样的；
  -l, --log-level=info            Set the logging level
  # 是否开启tls，默认为false；
  --tls                           Use TLS; implied by --tlsverify
  # 指定CA(Certificate Authority认证授权机构)签名的信任证书的路径；
  --tlscacert=~/.docker/ca.pem    Trust certs signed only by this CA
  # 指定TLS证书文件的路径；
  --tlscert=~/.docker/cert.pem    Path to TLS certificate file
  # 指定TLS公钥文件的路径；
  --tlskey=~/.docker/key.pem      Path to TLS key file
  # 使用TLS并验证远程控制主机；
  --tlsverify                     Use TLS and verify the remote
  # 输出Docker的版本信息(简略)并退出
  -v, --version                   Print version information and quit

命令；

Commands:
    
    # 依附到一个正在运行的容器中；
    attach    Attach to a running container
    # 依据Dockerfile文件构建镜像；
    build     Build an image from a Dockerfile
    # 在容器中将容器构建为一个新的镜像；
    commit    Create a new image from a container"s changes
    # 在容器和宿主机之间拷贝文件/文件夹；
    cp        Copy files/folders between a container and the local filesystem
    # 创建容器；
    create    Create a new container
    # 检查一个容器的文件系统的变更；
    diff      Inspect changes on a container"s filesystem
    # 从服务端获取实时的事件；
    events    Get real time events from the server
    # 在运行的容器中执行命令；
    exec      Run a command in a running container
    # 将一个容器的文件系统导出为一个tar包；
    export    Export a container"s filesystem as a tar archive
    # 显示一个镜像的构建历史信息(镜像的构建步骤记录-类似Dockerfile)；
    history   Show the history of an image
    # 查询镜像列表；
    images    List images
    # 从tarball导入内容创建一个文件系统映像；
    import    Import the contents from a tarball to create a filesystem image
    # 显示整个系统的信息；
    info      Display system-wide information
    # 获取容器或镜像的低级信息；
    inspect   Return low-level information on a container or image
    # 关闭一个正在运行的容器(包括进程和所有相关资源)；
    kill      Kill a running container
    # 从一个tar包或STDIN中加载一个镜像；
    load      Load an image from a tar archive or STDIN
    # 登陆Docker注册服务器(上传镜像需要先登录)；
    login     Log in to a Docker registry
    # 登出Docker注册服务器(注销)；
    logout    Log out from a Docker registry
    # 获取一个容器的日志信息；
    logs      Fetch the logs of a container
    # 管理容器的网络配置；
    network   Manage Docker networks
    # 暂停一个容器内的所有进程；
    pause     Pause all processes within a container
    # 列出一个容器的端口映射或一个特定映射的信息；
    port      List port mappings or a specific mapping for the CONTAINER
    # 列出所有的容器；
    ps        List containers
    # 从注册服务器的仓库中拉取一个镜像；
    pull      Pull an image or a repository from a registry
    # 向注册服务器的仓库中上传一个镜像；
    push      Push an image or a repository to a registry
    # 将一个容器重命名；
    rename    Rename a container
    # 重启一个容器；
    restart   Restart a container
    # 删除一个或多个容器；
    rm        Remove one or more containers
    # 删除一个或多个镜像；
    rmi       Remove one or more images
    # 在一个新的容器中运行一个命令；
    run       Run a command in a new container
    # 将一个或多个镜像保存为一个tar包；
    save      Save one or more images to a tar archive
    # 在Docker Hub中搜索镜像；
    search    Search the Docker Hub for images
    # 启动一个或多个暂停的容器；
    start     Start one or more stopped containers
    # 动态显示容器资源的使用情况；例如“docker stats 8981”信息如下：
    # CONTAINER CPU %  MEM USAGE/LIMIT   MEM %  NET I/O          BLOCK I/O    PIDS
    # 8981      0.00%  3.551MB/4.145GB   0.09%  509.6kB/14.15MB  2.028MB/0 B  0
    stats     Display a live stream of container(s) resource usage statistics
    # 停止一个正在运行的容器；
    stop      Stop a running container
    # 修改本地仓库中镜像的标签；
    tag       Tag an image into a repository
    # 显示一个容器中正在运行的进程；
    top       Display the running processes of a container
    # 解除一个容器中所有进程的暂停状态；
    unpause   Unpause all processes within a container
    # 更新一个或多个容器的配置；
    update    Update configuration of one or more containers
    # 显示Docker的版本信息(详细)
    version   Show the Docker version information
    # 管理Docker的数据卷；
    volume    Manage Docker volumes
    # 阻塞,直到一个容器停止,然后输出它的退出代码
    wait      Block until a container stops, then print its exit code

# 运行“docker COMMAND --help”获取更多的指令信息，如指令的用途与参数的详细解释。
Run "docker COMMAND --help" for more information on a command.

举例说明；
想要查看run命令的使用方法和参数含义-“docker run --help”。

docker run --help

返回信息-run命令的用法说明；

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

Run a command in a new container

返回信息-run命令的参数说明；

 -a, --attach=[]                 Attach to STDIN, STDOUT or STDERR
 --add-host=[]                   Add a custom host-to-IP mapping (host:ip)
 --blkio-weight                  Block IO (relative weight), between 10 and 1000
 --blkio-weight-device=[]        Block IO weight (relative device weight)
 --cpu-shares                    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                    Limit CPU CFS (Completely Fair Scheduler) period
 --cpu-quota                     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)
 -d, --detach                    Run container in background and print container ID
 --detach-keys                   Override the key sequence for detaching a container
 --device=[]                     Add a host device to the container
 --device-read-bps=[]            Limit read rate (bytes per second) from a device
 --device-read-iops=[]           Limit read rate (IO per second) from a device
 --device-write-bps=[]           Limit write rate (bytes per second) to a device
 --device-write-iops=[]          Limit write rate (IO per second) to a device
 --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                          Print usage
 -i, --interactive               Keep STDIN open even if not attached
 --ip                            Container IPv4 address (e.g. 172.30.100.104)
 --ip6                           Container IPv6 address (e.g. 2001:db8::33)
 --ipc                           IPC namespace to use
 --isolation                     Container isolation technology
 --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
 -m, --memory                    Memory limit
 --mac-address                   Container MAC address (e.g. 92:d0:c6:0a:29:33)
 --memory-reservation            Memory soft limit
 --memory-swap                   Swap limit equal to memory plus swap: "-1" to enable unlimited swap
 --memory-swappiness=-1          Tune container memory swappiness (0 to 100)
 --name                          Assign a name to the container
 --net=default                   Connect a container to a network
 --net-alias=[]                  Add network-scoped alias for the container
 --oom-kill-disable              Disable OOM Killer
 --oom-score-adj                 Tune host"s OOM preferences (-1000 to 1000)
 -P, --publish-all               Publish all exposed ports to random ports
 -p, --publish=[]                Publish a container"s port(s) to the host
 --pid                           PID namespace to use
 --pids-limit                    Tune container pids limit (set -1 for unlimited)
 --privileged                    Give extended privileges to this container
 --read-only                     Mount the container"s root filesystem as read only
 --restart=no                    Restart policy to apply when a container exits
 --rm                            Automatically remove the container when it exits
 --security-opt=[]               Security Options
 --shm-size                      Size of /dev/shm, default value is 64MB
 --sig-proxy=true                Proxy received signals to the process
 --stop-signal=SIGTERM           Signal to stop a container, SIGTERM by default
 -t, --tty                       Allocate a pseudo-TTY
 --tmpfs=[]                      Mount a tmpfs directory
 -u, --user                      Username or UID (format: [:])
 --ulimit=[]                     Ulimit options
 --userns                        User namespace to use
 --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

查看Docker守护进程的模式配置的帮助信息；

docker daemon --help

用法说明；

Usage:  docker daemon [OPTIONS]

Enable daemon mode

参数说明；

 --api-cors-header                        Set CORS headers in the remote API
 --authorization-plugin=[]                List authorization plugins in order from first evaluator to last
 -b, --bridge                             Attach containers to a network bridge
 --bip                                    Specify network bridge IP
 --cgroup-parent                          Set parent cgroup for all containers
 --cluster-advertise                      Address or interface name to advertise
 --cluster-store                          Set the cluster store
 --cluster-store-opt=map[]                Set cluster store options
 --config-file=/etc/docker/daemon.json    Daemon configuration file
 --containerd                             Path to containerd socket
 -D, --debug                              Enable debug mode
 --default-gateway                        Container default gateway IPv4 address
 --default-gateway-v6                     Container default gateway IPv6 address
 --default-ulimit=[]                      Set default ulimits for containers
 --disable-legacy-registry                Do not contact legacy registries
 --dns=[]                                 DNS server to use
 --dns-opt=[]                             DNS options to use
 --dns-search=[]                          DNS search domains to use
 --exec-opt=[]                            Set runtime execution options
 --exec-root=/var/run/docker              Root directory for execution state files
 --fixed-cidr                             IPv4 subnet for fixed IPs
 --fixed-cidr-v6                          IPv6 subnet for fixed IPs
 -G, --group=docker                       Group for the unix socket
 -g, --graph=/var/lib/docker              Root of the Docker runtime
 -H, --host=[]                            Daemon socket(s) to connect to
 --help                                   Print usage
 --icc=true                               Enable inter-container communication
 --insecure-registry=[]                   Enable insecure registry communication
 --ip=0.0.0.0                             Default IP when binding container ports
 --ip-forward=true                        Enable net.ipv4.ip_forward
 --ip-masq=true                           Enable IP masquerading
 --iptables=true                          Enable addition of iptables rules
 --ipv6                                   Enable IPv6 networking
 -l, --log-level=info                     Set the logging level
 --label=[]                               Set key=value labels to the daemon
 --log-driver=json-file                   Default driver for container logs
 --log-opt=map[]                          Set log driver options
 --mtu                                    Set the containers network MTU
 -p, --pidfile=/var/run/docker.pid        Path to use for daemon PID file
 --raw-logs                               Full timestamps without ANSI coloring
 --registry-mirror=[]                     Preferred Docker registry mirror
 -s, --storage-driver                     Storage driver to use
 --selinux-enabled                        Enable selinux support
 --storage-opt=[]                         Set storage driver options
 --tls                                    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                              Use TLS and verify the remote
 --userland-proxy=true                    Use userland proxy for loopback traffic
 --userns-remap                           User/Group setting for user namespaces