docker - 无法运行Docker命令

Question

我已经为Windows 安装了 Docker，并尝试运行一个简单的命令，但是出现以下错误:

error during connect: Get http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.29/containers/json: open //./pipe/docker_engine: The system cannot find the file specified. In the default daemon configuration on Windows, the docker client must be run elevated to connect. This error may also indicate that the docker daemon is not running.

屏幕截图:

更新:

我刚刚在我的机器(Windows 10)上重新安装了Docker，但是现在出现VirtualBox错误。我在这里想念什么吗？
Starting "default"...
(default) Check network to re-create if needed...
(default) Windows might ask for the permission to create a network adapter. Sometimes, such confirmation window is minimized in the taskbar.
(default) Creating a new host-only adapter produced an error: C:\Program Files\Oracle\VirtualBox\VBoxManage.exe hostonlyif create failed:
(default) 0%...
(default) Progress state: E_INVALIDARG
(default) VBoxManage.exe: error: Failed to create the host-only adapter
(default) VBoxManage.exe: error: Assertion failed: [!aInterfaceName.isEmpty()] at 'F:\tinderbox\win-5.1\src\VBox\Main\src-server\HostNetworkInterfaceImpl.cpp' (74) in long __cdecl HostNetworkInterface::init(class com::Bstr,class com::Bstr,class com::Guid,enum __MIDL___MIDL_itf_VirtualBox_0000_0000_0038).
(default) VBoxManage.exe: error: Please contact the product vendor!
(default) VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component HostNetworkInterfaceWrap, interface IHostNetworkInterface
(default) VBoxManage.exe: error: Context: "enum RTEXITCODE __cdecl handleCreate(struct HandlerArg *)" at line 94 of file VBoxManageHostonly.cpp
(default)
(default) This is a known VirtualBox bug. Let's try to recover anyway...
Error setting up host only network on machine start: The host-only adapter we just created is not visible. This is a well known VirtualBox bug. You might want to uninstall it and reinstall at least version 5.0.12 that is is supposed to fix this issue
Looks like something went wrong in step ´Checking status on default´... Press any key to continue...


Answer 1

看来您的docker守护程序未运行。请启动您的Docker服务，请使用它作为引用:https://www.coretechnologies.com/products/AlwaysUp/Apps/StartDockerDaemonAsAWindowsService.html