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Is Azure running its hypervisors on Linux these days? I read awhile back that they were switching from Windows

No. It’s still very much Hyper-V running a custom build of what you can call windows underneath.

It is called Azure Host OS.

https://techcommunity.microsoft.com/blog/windowsosplatform/a...

> Another thing you may have noticed is that the taskmgr or even regedit does not look the same as you would see on Windows 11. This is because as I mentioned, Cloud Host is built on OneCore and it is headless (or console based), hence, it doesn’t contain any of the GUI pieces of Windows. We have a special taskmgr and regedit version that doesn’t link with all the modern GUI functionality available in Windows 11, which gives them the “old style” look.

I haven't used Windows in a long time, so it looked normal to me. I just went and watched a video on Windows 11, goodness me.

It is still Azure Host OS, officially.

There was a project to add Hyper-V like capabilities to Azure Linux fork, but they went silent after the announcement.

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