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this post was submitted on 05 Sep 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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The system won't do that by itself. I would recommend letting one of your distros do it. During the installation process, when you set that bootloader partition to be the boot partition, many distros will automatically install grub if it doesn't exist and add themselves to an existing grub config if it does exist.
Find a distro which installs with a default grub bootloader and make that the first distro you install.
Thanks! and as far as making one bootloader your default, is that just a matter of changing the order of your boot process? and if a distro automatically installs their own bootloader, would just the first installed one take precedence by default or is there some configuring you have to do? so I maybe really just be overthinking this. Is it as simple as making roughly 3 ~60gb ext4 partitions and simply just do the regular install according to each partition? what about mounting and all that. No clue how that all works
For the bootloader questions: You just have to go to your bios (spam a function key during start up, which function key depends on manufacturer) and change the boot order. The order of things which happen when you startup your machine is:
For the other questions: You might have to manually choose what to mount where. For each distro, you will want to mount a boot partition (your grub partition), a swap if your ram is low (make all your distros share the same swap partition), and a unique home partition.
You might also want to mount a shared files partition. These would be files you want stored locally that you can access from all the distros. Don't mount this in the install process, instead mount it after you install from whatever file manager you use on each distro. Make a ~/shared folder and mount it to that.
now this version sounds more simple. SO create three ext4 partitions roughly 50-60gb for each distro, maybe create a swap or maybe a storage partition? I don't understand how the storage partition would come into play, but I can just save anything important to my cloud drive anyway, so I don't necessarily need extra on device storage. So is that really it?
As for how exactly you add each distro to the grub config, refer to the distro specific grub instructions. Some user friendly distros auto detect and add themselves to grub, but some of the more customizable and bare bones distros need manual config.
awwee damn, thats another aspect I wasnt aware of. Are you referring to fstab or the actual grub config?
I edited the comment you are replying to to answer more of the questions.
You would want the partitions you mentioned as well as a grub bootloader partition.
Oh I see now. So I don't have much of a need for storage on my device. If I have anything important to save, I just use my cloud drive. Also I was under the impression from another poster that I don't need to make a bootloader partition because the installer will automatically do that for me, idk what is correct? if that's the case, then just mount the second and third distros to that first bootloader plus swap and I should be fine?
You need to make sure there's enough space for your installers to make a grub partition, but yes, if there's enough space, they will make the partitions themselves. You just need to tell them how big you want the partitions to be.
Awesome! I think somebody said 50-60gb should be fine per distro? do agree?
Yep, that should be fine.