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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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How to Get Started Using Virtual Machine Manager in Linux (Posted in response to Virtual box and VMware) (www.maketecheasier.com)

submitted 2 months ago* (last edited 2 months ago) by [email protected] to c/[email protected]

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If you run Windows make sure to install the virtio drivers

https://docs.fedoraproject.org/en-US/quick-docs/creating-windows-virtual-machines-using-virtio-drivers/

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[–] [email protected] 2 points 2 months ago* (last edited 2 months ago) (15 children)

Aah.. Isn't that what called a bare metal OS?

[–] [email protected] 6 points 2 months ago (14 children)

A bare metal OS is an OS running outside of a hypervisor. Virt-manager is a class 1 hypervisor that allows you to host guest operating systems. ( Run vms )

[–] [email protected] 4 points 2 months ago (13 children)

Hey sorry for the confusion. What I meant is Proxmos is considered as a bare metal hypervisor and Virt manager is a hypervisor inside an OS, right?

[–] [email protected] 4 points 2 months ago (1 children)

Technically no, both use kvm virtualization which is included in the Linux kernal, so both are "bare metal hypervisors" other wise know as class 1 hypervisors. Distinctions can be confusing 😂

[–] [email protected] 2 points 2 months ago (1 children)

Oh dear... I really thought I understood what bare metal means... But looks like this is beyond my tech comprehension

[–] [email protected] 2 points 2 months ago (1 children)

Bare metal is "kernel running on hardware" I think. KVM is a kernel feature, so the virtualization is done in kernel space (?) and on the hardware.

[–] [email protected] 1 points 2 months ago (1 children)

Well this can be a starting point of a rabbit hole. Time to spend hours reading stuff that I don't really understand.

[–] [email protected] 1 points 2 months ago

TL;DR: use what is in the kernel, without strange out of tree kernel modules like for VirtualBox, and use KVM, i.e. on fedora virt-manager qemu qemu-kvm

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