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this post was submitted on 05 Sep 2023
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Linux
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I'd probably let Debian or LMDE do it simply because I'm more used to those distros, but you can simply roll a die if you want.
Or, if you already chose which distro should manage boot, and you want to know how to do it - the tutorial in the link does the trick. I'll adapt and copypaste a simplified version here:
how to let the distro of your choice manage boot
Install all distros the way that you want. Make sure that you know in which partition each is installed.
Pick the distro of your choice to manage boot. Let's say that it's Foobar Linux, and it's installed in /dev/sda69. (why 69? Because it's funny, so you'll remember to replace it with the right number later on.)
Boot in some live USB. The distro in that USB doesn't matter.
Open a terminal. Type the following junk in it:
sudo sudo mount /dev/sda69 /mnt for i in /sys /proc /run /dev; do sudo mount --rbind "$i" "/mnt$i"; done sudo chroot /mnt update-grub
5. This should be enough. Now restart your computer without the live USB, and your Foobar Linux should be managing the boot.
And just now I realised that some random distro might decide to take over the boot, once it updates kernel (as it triggers updating grub). So when installing the other distros, look for some configuration that allows you to not install grub in it. (It's also possible to remove it after the installation of the distro.)
That's a per-distro choice, you could go with Wayland for some and Xorg for others. I would probably go with Xorg for all three because it works for me.
Thanks! still a tad confusing for me, but it's something to work with at least. so you only mount the one that you want to handle the bootloader? what about the storage drive? do I just mount all the partitions to that drive and they will all automatically save to that storage drive? I ought to look up diagrams and such just to see it visually I think. Also, someone mentioned creating the partition first. how would that work out if you're still running a distro? would rebooting wipe that out and keep the partition in tact and then you work from there? or do you just partition as you go along with each install?
I think that this might help you, since you said that you mentioned diagrams:
The numbers after /dev/sda will change depending on how you partition your SSD, as well as their order, and I'm assuming that your username will be "macaroni" for simplicity, but look at the idea. (Also, you don't need to mount your personal files partition in /home/macaroni/storage. It could be mounted anywhere you want, even /randomjunk/catpix/dogpix/mypartition.)
If I recall correctly you don't need to mount the partition with grub (the bootloader), but do check it with other users as I'm not sure of that. Once you update grub in that distribution, it'll automatically detect "look! There are other systems here! I'll add them to the boot options!".
You should only create, delete or modify partitions of your SSD from a live USB. Never do it while the system installed in your SSD is running. Those partitions will stay even after you reboot.
I recommend creating the partitions first, then installing your distros. This way you'll have better control on how to organise your partitions. For example, if you decide to install Arch on the third partition, you can simply say it "hey, you shall be installed in /dev/sda3", no matter the order that you're installing Arch vs. other distros.
this is very very helpful, thanks alot. I love lemmy over reddit. you guys are actually kind and helpful here. so I mentioned in other posts, I don't store a whole lot of things at all and anything important is stored in a cloud. So do I necessarilly need to create a storage partition? can't I just use storage within each distro partition for trivial stuff like downloads or whatever? I hope that makes sense
You don't need to create a storage partition if you don't want to. You could theoretically reduce that partition table from the diagram to three partitions - one for each distro. It's up to you, really.
The problem that I see with that is organisation and security:
Oh ok, so scratch that idea then lol see, this is the stuff I have no clue about! thank you