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Linus thinks virtualization is "evil"

crdotson (224356) writes | more than 3 years ago

Virtualization 1

crdotson writes "Linus said in an interview that he thinks virtualization is "evil" because he prefers to deal with the real hardware. Hardware virtualization allows for better barriers between systems by running multiple OSes on the same hardware, but OS-level virtualization allows similar barriers without a hypervisor between the kernel and the hardware. Should we expect more focus on OS-level virtualization such as Linux-VServer, OpenVZ, and LXC?"
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Each approach has its benefits. (1)

JustNiz (692889) | more than 3 years ago | (#37143784)

No current OS-level virtualization solutions that I could find (including those listed in the article) allow you to run a differnet operating system as a guest.

I do all my serious work under Linux, however as a gamer I also need to run Windows, which I do under a VM for a couple of reasons:

1) I just dont trust Microsoft with my privacy or hardware.
2) By keeping a good VM image and only using copies of it, You can break the need to ever have to reinstall windows, which is the only real solution I've ever found to the long standing problem where Windows gets ever slower/fatter by itself over time.

My only real criteria for a VM is its ability to run other operating systems with near-native performance, and robust support for 3D Hardware.
Until OS-level virtualization can do that, Linus's statement sounds very ill-considered to me.

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