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Can I use an existing EFI partition as /boot?

es flag

So I'm planning to switch full-time to Pop_OS! and while backing up (which is another can of worms I'll be explaining later), I realized "Wait, do I have to create a new partition for boot? Or can I use an existing one?" I didn't really know what the answer to that was so I decided, before switching to Pop_OS!, I'm gonna ask here.

Can I use an existing EFI partition as /boot?

Now, I'm gonna cover the second can of worms I was talking about. So while I was backing everything up, this anxiety crept in like "Is everything backed up? Can I be sure that the copy process didn't fail? HAVE I BACKED UP EVERYTHING I WANT?!" and this anxiety is keeping me from fully committing to linux. So the 2nd question of the thread is:

How can I overcome the anxiety of whether or not I've backed up everything?

mook765 avatar
cn flag
No, you can't use an EFI System Partition as `/boot`, it is used to store bootloaders and is usually mounted under `/boot/efi`, so you can make use of the partition as EFI System Partition in a complete new installtion of any OS or if you install an additional OS (Dualboot). Second point: only you can now if your backup is complete or not, we can't.
Markix avatar
es flag
So... this may be a dumb question, BUT. Does Pop_OS! detect the EFI partition and mount /boot/efi there?
oldfred avatar
cn flag
This site is about Ubuntu. Please see: https://askubuntu.com/help/on-topic "This question is not about Ubuntu. Questions about other Linux distributions can be asked on Unix & Linux, those about Windows on Super User, those about Apple products on Ask Different and generic programming questions on Stack Overflow." – https://unix.stackexchange.com/ But I believe Pop uses SystemD boot not grub and that does put some files normally in /boot into ESP.
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