this post was submitted on 06 Jul 2023
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Linux
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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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Most of the time, it's enough to copy the whole EFI partition to the new machine and update whatever boot entries are in there to point to the right new partitions.
In case of a switch to something like zfs, it's a bit more involved and you need to boot a live Linux, chroot into the new "/" with /boot mounted and /dev, /proc, /sys bind mounted into the chroot.
Then you can run the distro-appropriate command to reinstall/ update grub into the EFI partition and they will usually take care of adding the right drivers.