Feb 11, 2017

How To Set Up Windows Container on Nano Server


Container was first introduced in Sun Solaris operating system but now it is widely available in Linux and Windows as well. The container is an isolated area where an application can run without affecting the rest of the system, and without the system affecting the application. Container shares operating system's kernel so it can be configured as “isolated” part of guest OS.






Windows has two different type of container:

  • Windows Server Containers – A Windows Server container shares a kernel with the container host and all containers running on the host.
  • Hyper-V Containers – expand on the isolation provided by Windows Server Containers by running each container in a Hyper-V virtual machine. In this configuration the kernel of the container host is not shared with other Hyper-V Containers.

This article will guide you through the steps to set up Windows Containers on Nano Server using PowerShell command line.

Connecting to Nano Server

Set-Item WSMan:\localhost\Client\TrustedHosts 192.168.1.200 -Force Enter-PSSession -ComputerName 192.168.1.10 -Credential Administrator


Updating Nano Server

#Scan for updates

$ci = New-CimInstance -Namespace root/Microsoft/Windows/WindowsUpdate -ClassName MSFT_WUOperationsSession
$result = $ci | Invoke-CimMethod -MethodName ScanForUpdates -Arguments @{SearchCriteria="IsInstalled=0";OnlineScan=$true}
$result.Updates

# Install all updates

$ci = New-CimInstance -Namespace root/Microsoft/Windows/WindowsUpdate -ClassName MSFT_WUOperationsSession
Invoke-CimMethod -InputObject $ci -MethodName ApplyApplicableUpdates

Restart-Computer

# List Installed Updates

$ci = New-CimInstance -Namespace root/Microsoft/Windows/WindowsUpdate -ClassName MSFT_WUOperationsSession
$result = $ci | Invoke-CimMethod -MethodName ScanForUpdates -Arguments @{SearchCriteria="IsInstalled=1";OnlineScan=$true}
$result.Updates


Installing Container

You can install the OneGet PowerShell module and the latest version of Docker by executing the following commands:
Install-Module -Name DockerMsftProvider -Repository PSGallery -Force
Install-Package -Name docker -ProviderName DockerMsftProvider
Restart-Computer


Once rebooted, Start Docker service and install base image
Start-Service docker
docker pull microsoft/nanoserver

Enabling remote access to docker host (Nano Server)
netsh advfirewall firewall add rule name="Docker daemon " dir=in action=allow protocol=TCP localport=2375
Stop-Service docker
dockerd --unregister-service
dockerd -H npipe:// -H 0.0.0.0:2375 --register-service
Start-Service docker


Connecting to Windows container from remote computer

First you need to download docker client using the following command
Invoke-WebRequest "https://download.docker.com/components/engine/windows-server/cs-1.12/docker.zip" -OutFile "$env:TEMP\docker.zip" -UseBasicParsing

Now, extract it using the following command
Expand-Archive -Path "$env:TEMP\docker.zip" -DestinationPath $env:ProgramFiles

You need to set environment variable which does not require shell to be restarted.
$env:path += ";c:\program files\docker"

Now, add docker directory to system path
[Environment]::SetEnvironmentVariable("Path", $env:Path + ";C:\Program Files\Docker", [EnvironmentVariableTarget]::Machine)

Connect to docker container hosted on Nano Server (192.168.0.200), the following command will create container from microsoft/nanoserver image with container1 and hostname container1
docker -H tcp://192.168.0.200:2375 run -it --name container1 --hostname container1 microsoft/nanoserver cmd


Done.


4 comments:

  1. David ArmourFebruary 14, 2017

    Microsoft improving and changing its arrogance slowly and they even now loves Linux...:)

    ReplyDelete
  2. Chris PietschmannFebruary 14, 2017

    I didn't know that, container was first introduced in Sun Solaris!

    ReplyDelete
  3. Fabio RodriguesFebruary 14, 2017

    Good article

    ReplyDelete
  4. I don't think container performance in Windows would be much appreciated compare to Linux

    ReplyDelete

 
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