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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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Warning: this is definitively doable, but messier than it looks like. I'd recommend you to partition it manually, before installing any distro, like this:
Don't worry too much on getting the space right though - if necessary you can always resize a few partitions after installation. It's a bit of a bother though.
Do not share /home across distros, it's simply more trouble than it's worth. Instead, mount that "storage" partition in each distro, inside your /home/[$username] directory.
Another thing that you might want to consider is virtualisation. Odds are that you won't use a lot of those distros in your everyday, and that you're just curious about their differences. In that case, consider installing one of them, install Virtualbox in it, and then the other distros get installed inside Virtualbox. I'm suggesting that because it'll use overall less space, and make distro management less messy.
Thanks. I do not want to mess around with virtualization; I went down that rabbithole before and got lost and broke stuff lol. I need to do a bit more research and learning before im more confident with virtualization. So how large should the swap be? and what about a bootloader?? Are all three compatible with grub? also how large should the bootloader partition be? thanks, this is all a bit foreign to me.
VM are as easy as point and click with GNOME Boxes, also available as standalone.
Gotcha. Never explored Gnome boxes yet; probably just waiting for the right time. I've been trying to learn a whole lot of other tech stuff, so I sorta put virtualization on the back burner for now. Definitely wanna learn about KVM, lxd and lxc and even gnome boxes. just not right now
Happy hacking ✌️
All those distros are compatible with grub, and come with their own copies of it. You just need to install your distros, and then when you say "I want THIS ONE to manage boot", you follow this tutorial. (It's supposed to help you reinstalling grub after Windows, but it works fine for grub after another Linux instal).
Or, if you want to be lazy - install last the distro that you want to manage boot, then tell it "screw the current boot, reinstall it".
I wouldn't bother with a bootloader partition. The bootloader runs fine from any distro partition, and it's small enough so you don't need to worry about it wasting space.
I've been running my system without swap whatsoever for quite some time, and it runs fine. But if you're planning to use hibernation or similar, reserve the same amount of swap space as you have RAM; for example if you have 8GB RAM then at least 8GB swap.
IMPORTANT: if hibernating a distro, don't boot another distro, otherwise the hibernation data will get wiped.
Grub is compatible with pretty much everything.
What?
virt-manager qemu qemu-kvmImportant note: using
distroboxortoolboxyou can run packages of pretty much any distro on your Laptop. I am currently using Ubuntu PPA VLC 4.0 on Fedora Kinoite.So virt manager, KVM, and qemu is the recommendation solution for this? Opposed to other methods like virtual box or gnome boxes or the other various virtualization platforms out there?
Hmm, I use Virt-manager as it supports some things with no GUI in Gnome boxes. Gnome boxes seems nice, but after trying certain things you get to a limit of functionalities.
Kvm ans qemu are always needed.
Gnome boxes has a flatpak, but that one has no usb support for some weird reason.
Really nice idea with the shared swap and storage!
Caveats:
Apart from that, great recommendation!
In the end you can simply delete all partitions except your storage partition, reinstall any distro and mount that partition to
/homeOh I just watched a video about home. So is that a partition of it's own? the guy was saying he was using different homes for each distro and it became a mess, so he planned to install one home directory for all distros.... idk?
/home is a directory ("folder"). Inside that directory, there's one subdirectory for each user, where you're expected to keep your personal files, configuration files, user data from software (e.g. save games from your games), stuff like this, personal data.
And Linux allows you to mount any partition in any directory of your choice.
Because of those two things, a lot of people create a partition and mount it as /home. So if something bad happens with the distro, and you need to reinstall it, ~~your princess is in another castle~~ your data is in another partition, safely stored. It's usually a good idea, but in your case it's a bad idea - because your /home/[insert username] directory from one distro will be likely the same as in the other distros, so they'll interfere on each other, and software user data will become a mess.
Instead, what I recommend you is to not create a /home partition. Let each distro have its own /home. However, do create a partition to store your data, and mount it inside your /home/[insert your username] directory. That way you can access all your files from all your distros, but the software user data won't be mixed.
Ahh brilliant! so create ONE storage partition and just mount that one partition in each distro's home directory?
Yup. Check the diagram that I posted as a reply to another comment. It's a clean way and it allows you to access your files from all your distros.
At least in theory you could even use a /home partition if you really, really wanted, but then you'd need to make sure that your username is different for each distro. It's more work than it's worth, and muscle memory will make you to try to log into one system with the username of another system.