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Canonical's Steam Snap is Causing Headaches for Valve
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From Wikipedia, the free encyclopedia
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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Depends on the version. All of them (the newer ones with networking) have TFTP. Some even have HTTPS. I think HP Servers even have HTTPS-Boot with client TLS certificates.
None of it works with Wifi though. iPXE has wifi support for some devices but you obviously can't start it over the Internet. You need to flash a ROM you don't need or use a USB drive to load it. Then you can boot Linux from the Internet. (That also works if you don't have a UEFI Shell in BIOS). https://netboot.xyz can also boot other OSes than Arch.