Multi boot, boot loaders on each own partition, cons and pros  [Solved]

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Charlie Brown

Re: Multi boot, boot loaders on each own partition, cons and pros  [Solved]

#11 Post by Charlie Brown »

This may be useful:
dolphin_oracle wrote: Tue Aug 29, 2023 3:22 pm
well, installing over and over again to the mbr is a little bit of a waste of time, as the mbr can only hold one boot record anyway. and all of the MX distros have the same name for the UEFI stub file, so that gets overwritten everytime too.

what operadude was saying was that we was not going to install grub, which is OK, but I've had issues when grub isn't installed at all with other installations not getting picked up by the original distro when running update-grub. so when I'm multibooting, I install my extra distros grub to the PBR (partition boot record) when I have the option, just to have a place for it to go.

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Buck Fankers
Posts: 770
Joined: Sat Mar 10, 2018 8:06 pm

Re: Multi boot, boot loaders on each own partition, cons and pros

#12 Post by Buck Fankers »

Charlie Brown wrote: Sat Nov 04, 2023 2:36 pm This may be useful:
dolphin_oracle wrote: Tue Aug 29, 2023 3:22 pm so when I'm multibooting, I install my extra distros grub to the PBR (partition boot record) when I have the option, just to have a place for it to go.
It is, great, so I'm doing it correctly. Thanks Charlie!

Uff this question was just discussed few days ago, my bad, sorry everyone for re-posting

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davidy
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Joined: Sat Jul 03, 2021 1:59 pm

Re: Multi boot, boot loaders on each own partition, cons and pros

#13 Post by davidy »

All I know is any bios version 3.0 or greater is uefi which requires the very first partition to be a fat32/efi one. But, uefi can work with mbr's (instead of gpt) in legacy mode depending on the mobo's bios itself. MBR would be any hd location like sda, and PBR would be any location like sda1, like root. An antix thread suggests using a gpt scheme grub install boot fails, while mbr's grub installs boot fine, in a dual boot operation.

As long as the parts are less than 2TB and you don't go crazy partitioning, grub to the mbr in legacy mode should work fine. GPT is way more advanced and thus complicated than MBR is it's like 2 separate planets. As long as the uuid you get from a live disc is the same as when in session it should work. Provided you updated your grub. No wonder I hate dual booting. I just do. No antix forum link sorry.
Excuse my rant but there is a lot written about this subject. Personal use is simple so dolphin's input is appreciated.
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