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this post was submitted on 21 Oct 2024
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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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Interesting, I’ve never heard of softwares that don’t support virtualized systems, I mean how would they… know?
I don't know exactly, but it's apparently a thing. Some game anti-cheat software such as Easy Anti-Cheat will give you an error message saying something along the lines of "Virtual machines are not supported." Some are easy to bypass by just tweaking your VM config, others not so much.
In some cases they look for generic virtual hw devices, in other cases things like available cpu flags or BIOS version.
There are ways to hide it though:
https://github.com/zhaodice/qemu-anti-detection
https://forum.proxmox.com/threads/how-do-i-hide-the-fact-to-windows-that-it-runs-in-a-vm.115627/