Tag: Windows Container

Remove All Docker Container Images

New Windows Server 2019 Container Images

Microsoft today released the new Windows Server 2019 again. After they quickly released Windows Server 2019 during Microsoft Ignite, they removed the builds again, after some quality issues. However, today Microsoft made the Windows Server 2019 builds available again. Microsoft also released new Windows Server 2019 Container Images for Windows, Windows Server Core and Nano Server.

Download Windows Server 2019 Container Images

You can get them from the new Microsoft Container Registry (MCR).

Microsoft was hosting their container images on Docker Hub until they switch to MCR (Microsoft Container Registry). This is now the source for all Windows Container Images like Windows Server 2019, Windows Server 2016 and all the Semi-Annual Channel releases like Windows Server, version 1709 or Windows Server, version 1803.

Download the Windows Server 2019 Semi-Annual Channel Container Images (Windows Server, version 1809). This includes also the new Windows Container Image.

The Windows Server Core Image is also available as a Long-Term Servicing Channel Image:

However, if you want to browse through container images, Docker Hub continues to be the right place to discover container images. Steve Lasker wrote a blog post about how Microsoft syndicates the container catalog and why.

Download Windows Server 2016 and Windows Server SAC Container Images

Also the existing Windows Server 2016 and Windows Server, version 1803 and Windows Server 1709 container images moved to the Microsoft Container Registry (MCR).

You should also make sure to update your Dockerfile references:

Old Windows Server Dockerfile reference

FROM microsoft/windowsservercore:ltsc2016

New Windows Server Dockerfile reference

FROM mcr.microsoft.com/windows/servercore:ltsc2016

Removing the “latest” tag from Windows Images

Starting 2019, Microsoft is also deprecating the “latest” tag for their container images.

We strongly encourage you to instead declare the specific container tag you’d like to run in production. The ‘latest’ tag is the opposite of specific; it doesn’t tell the user anything about what version the container actually is apart from the image name. You can read more about version compatibility and selecting the appropriate tag on our container docs.

Removing Container Images

Remove All Docker Container Images

If you want to remove existing container images from your PC, you can run docker rmi to remove a specific image. You can also remove all containers and container images with the following commands:

If you want to know more about Windows Containers and the Microsoft container eco system, visit the Microsoft container docs.



Windows Server Banner

Microsoft Windows Server Summit – Online Summit

On Tuesday, June 26, 2018 Microsoft will held the Windows Server Summit Online, a virtual experience to learn tips and tricks for modernizing your infrastructure and applications—regardless of whether you’re running it on-premises or in the cloud. And you can bet you will also get some new information on Windows Server 2019.

Learn how to build the future with Windows Server

Microsoft will talk about the roadmap for Windows Server, and let you discover new skills and best practices, and get your questions answered in conversations with the Microsoft experts behind our products.

This online summit will focus on 4 key areas of Windows Server:

  • Hybrid – Learn how Windows Server helps you integrate Azure services into your on-premises environment and how to better run Windows Server in Azure.
  • Security – Better security starts with the Operating System. Learn how Windows Server helps you elevate your company’s security posture.
  • Hyper-converged infrastructure (HCI) – Windows Server 2016 introduced new HCI capabilities that are game-changers. Now, check what’s new around HCI for Windows Server 2019.
  • Application platform – Containers are changing the way developers and operations teams run applications. Learn how Windows Server helps you modernize yours.

So if you want to know more, join the Microsoft online event!

 



Windows Server 2019

Microsoft announces Windows Server 2019 and System Center 2019

Microsoft today announced the next Long-Term Servicing Channel (LTSC) release for Windows Server called Windows Server 2019. In a blog post today, Erin Chapple, Director of Program Management Windows Server, announced the Windows Server 2019, which will be available in the second half of calendar year 2018. You can try out a Windows Server Preview build through the Windows Server Insider Program today. Microsoft also mentions that System Center 2019 will be available to manage Windows Server 2019 infrastructures.

Windows Server 2019 is built on the foundation of Windows Server 2016 and focuses on a couple of key scenarios. Microsoft in four key areas, Hybrid Cloud, Security, Application Platform and Hyper-Converged Infrastructure (HCI).

Windows Server 2019 – Hybrid Cloud Improvements

Project Honolulu Server Overview

As of today Hybrid Cloud is more real than ever. With Windows Server 2019 Microsoft is focusing to improve the customer experience in a hybrid cloud world. Taking advantage of public cloud innovation such as Artificial Intelligence and IoT, and connecting them with on-premise services is a huge enabler for customers. At Microsoft Ignite 2017, Microsoft showed of the Technical Preview of Project Honolulu, a web-based management console for Windows Server. One of the goals of Project Honolulu is to connect Windows Server deployments with Azure services. Together with Windows Server 2019 and Project Honolulu, you can easily integrate services like Azure Backup, Azure File Sync, Azure Site Recovery and much more.

Windows Server 2019 – Security

Security was already one of the big investments in Windows Server 2016. Microsoft does not stop there. With Windows Server 2019 Microsoft brings various security improvements like Shielded Virtual Machine support for Linux VMs and Encrypted Virtual Networks. One of my favorite improvements is the possibility to integrate with Windows Defender Advanced Thread Protection (ATP). ATP was first available for Windows 10 and provides preventative protection, detects attacks and zero-day exploits among other capabilities, into the operating system. This gives customers access to deep kernel and memory sensors, improving performance and anti-tampering, and enabling response actions on server machines.

Windows Server 2019 – Application Platform

Ubuntu on Windows Server using WSL

One of the key focus of Microsoft for Windows Server, was always on the developer experience. Microsoft brings a couple of improvements to make it the best application platform out there. Microsoft invests in a couple of scenarios such as bringing the Windows Subsystem for Linux (WSL) to Windows Server. Another key investment area are Windows Server Containers and Windows Server Container images. In Windows Server 2019, Microsoft reduces the Server Core base container image to a third of its current size of 5 GB. This will reduce download time of the image by 72%, further optimizing the development time and performance. Another key improvement in terms of Container support is the integration and support for Container orchestrators like Kubernetes.

Windows Server 2019 – Hyper-converged infrastructure (HCI)

The 4th improvement area is the Hyper-converged infrastructure (HCI). With Windows Server 2016 Microsoft released a new feature called Storage Spaces Direct. Together with Hyper-V and other Microsoft technologies, this was great to build you own infrastructure for your virtualization workloads. Windows Server 2019 will bring a lot of improvements for Storage Spaces Direct, Hyper-V and other related technologies. Microsoft is adding scale, performance, and reliability to the platform. Microsoft also partnered with hardware vendors to provide an affordable and yet extremely robust HCI solution with validated design.

What else?

  • Windows Server will be GA (generally available) in the second half of calendar year 2018.
  • Windows Server will be a LTSC release. LTSC will be the recommended version of Windows Server for most infrastructure scenarios and workloads like SQL Server, SharePoint and Windows Server Software-Defined Datacenter solutions.
  • With the LTSC release of Windows Server 2019, Microsoft will allow customers to use the Server with Desktop Experience as well as Windows Server Core. With the Semi-Annual Channel (SAC) release, Microsoft only provides the Windows Server Core option.
  • There will be another Semi-Annual Channel (SAC) release at the same time as Windows Server 2019 focusing on Container innovations. The SAC releases will be supported as before for 18 months, while the LTSC releases follow the normal 5+5 year support.
  • Licensing will use the same model as Windows Server 2016 today, Microsoft mentions that it is likely that they will increase the pricing for Windows Sevrer Client Access Licensing (CAL), but will share more details later.

With that we can all be very excited for the next LTSC version of Windows Server. Until then the next SAC release of Windows Server, called Windows Server 1803, will be available this spring. The Windows Server, version 1803 will focus on container improvements. If you want to try out, Windows Server 2019 or Windows Server 1803, you can join the Windows Server Insider Program.



Docker Windows Server Container Images

Docker Container Images for Windows Server 1709 and new tagging

Last week Microsoft announced new Windows Server 1709 and the new Windows Server 1709 container images. The new container images in Windows Server version 1709 are highly optimized, especially in size. So for example the new Nano Server Container Image in 1709 is 5x smaller than the Nano Server Container Image in Windows Server 2016.

Microsoft also made some changes to tagging which is interesting.

If you want to use the latest images of the container images based on the Windows Server 2016 (which is in the Long-Term Servicing Channel, LTSC) you just run:

This will give you the latest images of the Windows Server and Nano server container images. If you want to run a specific patch level of the Windows Server 2016 (LTSC)m images, you can run the following:

Docker Windows Server Container Images Size

If you want to use the new Windows Server 1709 container images from the Semi-Annual Channel you can run the following

and again you cans also add a specific base OS container image by using a KB number:

If you already tried out the new container images during the development using the insider images, they still existing:

However, I am not sure what the plan for the insider images is going forward.



Docker for Windows Update Linux Containers

How to run Docker Linux Container on Windows 10 Fall Creator Update

I just blogged about how to run a Docker Linux Container natively on the new Windows Server version 1709. Docker today released a new update for Docker on Windows which also enables this scenario a little bit easier on your Windows 10 machine. It will ask you if you want to use the new feature to run Linux Containers natively on a Hyper-V Container running on Windows 10 (without the Moby VM).

As you can see the only thing right now you have to turn the feature on and off, since in this technical preview it is not yet possible to run Linux and Windows containers in parallel. But I guess soon that will be the case.

What you need is:

  • Windows 10 Fall Creators Update (Build 16299, Version 1709, RS3)
  • Docker for Windows 17.10.0-ce-win36 (13788) or higher

Enable Linux Containers on Windows

You can change the settings in the Docker Settings:

Docker for Windows Settings Enable Linux contianers on Windows

With hat setting on you can now run Linux Containers such as ubuntu on Windows directly, without having a Linux Virutal Machine running in the background to host the Linux containers.

Docker Run Ubuntu on Windows 10 Verions

Now you can also do some other fancy things like run the Azure CLI in a Linux Container on Windows 10.

Docker Azure CLI on Linux on Windows 10 Container

Simple and effective, and it will be even more powerful when you can run Linux and Windows Container in parallel on Windows Sever and on Windows 10.



Windows Server 1709

Microsoft released Windows Server 1709

Microsoft just released the new Windows Server version 1709 which is the first release in the Semi-Annual Channel. The Semi-Annual Channel release cadence to deliver innovation at a faster pace, but you will also need to keep updating your systems to newer versions of Windows Server. As of today, you can download Windows Server 1709 from the Volume license portal or deploy it in Microsoft Azure, since it is available in the Azure Marketplace.

Windows Server 1709 Features and Improvements

Windows Server 1709 will drive innovation in the container space and in the Windows Subsystem for Linux, as well as some Cloud Host improvements in Hyper-V with new support for Storage Class Memory and more. Windows Server 1709 will be only available as Windows Server Core (Standard and Datacenter).

If you want to know more about the new features and improvements in Windows Server 1709, check out my blog post and check also out the Microsoft What’s new in Windows Server 1709 page.

https://www.thomasmaurer.ch/2017/05/windows-server-news-from-microsoft-build-2017-it-is-all-about-containers/

New Windows Server Management Experience

If you want to know more about the new Management Experience called Project Honolulu, check out my blog post:

https://www.thomasmaurer.ch/2017/09/microsoft-project-honolulu-the-new-windows-server-management-experience/

Windows Server Servicing

For more information about the Semi-Annual Channel and Windows Server Servicing check out my blog posts:

https://www.thomasmaurer.ch/2017/10/windows-server-release-information-windows-server-semi-annual-channel-and-ltsc/

 

https://www.thomasmaurer.ch/2017/06/what-is-next-for-windows-server-and-system-center-with-a-faster-release-cadence/

Windows Server, version 1709 is only the first step in this new world of faster release cadences. The most important aspect of having new releases twice a year is customer feedback will shape the product. You can try the preview builds of Windows Server in the Semi-Annual Channel and provide feedback by joining the Windows Insiders program. You can also join the conversation in the Microsoft Tech Community where we have tons of professionals and experts sharing their learnings and answering questions.



Azure Nested Virtualization

Hyper-V Container and Nested Virtualization in Microsoft Azure Virtual Machines

Last week Microsoft announced some pretty cool new Azure Stuff, like the Azure Cloud Shell, Azure PowerShell 4.0, Azure Cosmos DB and much more. In the session about Azure Compute, Microsoft introduced a bunch of new features, like new VM sizes, new experiences and new integration technology as well as updates to Azure Service Fabric, Azure Container Service and Azure Functions. One which really got my interest was the announcement about the new Virtual Machines sizes for Dv3 and Ev3, which will enable customers to use Virtualization inside their Windows Server Virtual Machines on Azure, enabled by Nested Virtualization from Windows Server 2016 Hyper-V. With that Dv3 and Ev3 Azure Virtual Machines are Nested Virtualization enabled. This means you can now run Nested Virtualization in Microsoft Azure Virtual Machines.

Update: The new Azure Dv3 and Ev3 VM sizes are now available, and you can now use Nested Virtualization in Azure.

Azure Nested Virtualization and Hyper-V Containers

You can now run Hyper-V in Azure Virtual Machines and even more important you can now run Hyper-V Container inside Azure Virtual Machines. With the announcements for Windows Server 2016 supporting Hyper-V Containers running Linux and Windows Server this is great news. You will be able to create Container Hosts in Azure running Windows Server and create Windows and Linux Containers on the same Container Host.

Azure VM Sizes

By the way, if you want to run Hyper-V Container in Azure today, and you don’t want to wait until the Dv3 and Ev3 series are available you can run them inside Azure Service Fabric. So yes, Microsoft now allows you to run Hyper-V Containers in Azure Service Fabric.

Azure Nested Virtualization Demo

As you could see in the demo, they are offering quite large Virtual Machines with a lot of RAM, running on Intels Xeon E7 CPUs.