Canonical builds a custom Ubuntu kernel for Microsoft Azure

Canonical builds a custom Ubuntu kernel for Microsoft Azure


Microsoft’s relationship with Ubuntu-maker Canonical has been getting increasingly cosy over the past couple of years, and the two companies are now working even more closely with each other. The latest fruit of this partnership is a custom Azure-tailored Ubuntu kernel.
The updated kernel introduces new features including NAPI and Receive Segment Coalescing, Hyper-V socket capability, and support for Accelerated Networking in Azure. Any Ubuntu 16.04 LTS image brought up from the Azure portal after September 2 will be running on this Azure tailored Ubuntu kernel.
The kernel benefits from an 18 percent reduction in size, and it will be supported through Canonical’s Ubuntu Advantage service. Canonical warns that the Azure-tailored kernel does not currently support the Canonical Livepatch Service, but work is underway to make this possible.
Announcing the expansion of its partnership with Microsoft, Canonical’s director of kernel engineering, Leann Ogasawara, says:
“Ubuntu has long been a popular choice for Linux instances on Azure. Our ongoing partnership with Microsoft has brought forth great results, such as the support of the latest Azure features, Ubuntu underlying SQL Server instances, bash on Windows, Ubuntu containers with Hyper-V Isolation on Windows 10 and Windows Servers, and much more.”

Submitted by: Arnfried Walbrecht


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