统计信息

events

用法：docker events [OPTIONS]

功能：从docker daemon中获取实时事件

选项：

--since=“” 显示指定时间戳之后的事件

--until=“” 显示直到指定之间戳的事件

示例：

该示例中，执行docker events后，用docker run创建并启动一个容器，docker events将输出create事件和start事件。

  1. $ sudo docker events
  2. 2019-08-28T16:23:09.338838795+08:00 container create 53450588a20800d8231aa1dc4439a734e16955387efb5f259c47737dba9e2b5e (image=busybox:latest, name=eager_wu)
  3. 2019-08-28T16:23:09.339909205+08:00 container attach 53450588a20800d8231aa1dc4439a734e16955387efb5f259c47737dba9e2b5e (image=busybox:latest, name=eager_wu)
  4. 2019-08-28T16:23:09.397717518+08:00 network connect e2e20f52662f1ee2b01545da3b02e5ec7ff9c85adf688dce89a9eb73661dedaa (container=53450588a20800d8231aa1dc4439a734e16955387efb5f259c47737dba9e2b5e, name=bridge, type=bridge)
  5. 2019-08-28T16:23:09.922224724+08:00 container start 53450588a20800d8231aa1dc4439a734e16955387efb5f259c47737dba9e2b5e (image=busybox:latest, name=eager_wu)
  6. 2019-08-28T16:23:09.924121158+08:00 container resize 53450588a20800d8231aa1dc4439a734e16955387efb5f259c47737dba9e2b5e (height=48, image=busybox:latest, name=eager_wu, width=210)

info

用法：docker info

功能：显示docker系统级的相关信息，包括系统中的Container数量、Image数量、Image的存储驱动、容器的执行驱动、内核版本、主机操作系统版本等信息。

选项：无

示例：

  1. $ sudo docker info
  2. Containers: 4
  3.  Running: 3
  4.  Paused: 0
  5.  Stopped: 1
  6. Images: 45
  7. Server Version: 18.09.0
  8. Storage Driver: devicemapper
  9.  Pool Name: docker-thinpool
  10.  Pool Blocksize: 524.3kB
  11.  Base Device Size: 10.74GB
  12.  Backing Filesystem: ext4
  13.  Udev Sync Supported: true
  14.  Data Space Used: 11GB
  15.  Data Space Total: 51GB
  16.  Data Space Available: 39.99GB
  17.  Metadata Space Used: 5.083MB
  18.  Metadata Space Total: 532.7MB
  19.  Metadata Space Available: 527.6MB
  20.  Thin Pool Minimum Free Space: 5.1GB
  21.  Deferred Removal Enabled: true
  22.  Deferred Deletion Enabled: true
  23.  Deferred Deleted Device Count: 0
  24. ......

version

用法：docker version

功能：显示docker的版本信息，包括Client版本、Server版本、Go版本、OS/Arch等信息

选项：无

示例：

  1. $ sudo docker version
  2. Client:
  3.  Version:           18.09.0
  4.  EulerVersion:      18.09.0.48
  5.  API version:       1.39
  6.  Go version:        go1.11
  7.  Git commit:        cbf6283
  8.  Built:             Mon Apr  1 00:00:00 2019
  9.  OS/Arch:           linux/arm64
  10.  Experimental:      false
  12. Server:
  13.  Engine:
  14.   Version:          18.09.0
  15.   EulerVersion:     18.09.0.48
  16.   API version:      1.39 (minimum version 1.12)
  17.   Go version:       go1.11
  18.   Git commit:       cbf6283
  19.   Built:            Mon Apr  1 00:00:00 2019
  20.   OS/Arch:          linux/arm64
  21.   Experimental:     false