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submitted 23 hours ago by smeg@feddit.uk to c/linux@lemmy.ml

Background: I've been running Linux Mint XFCE for a couple of years now, Windows 10 has been sitting unused on a separate drive but it turns out the one thing I need it for works passably in a VM so it's time to bin it. I've used Fedora Atomic (UBlue) on some laptops and I like it so that seems like a good candidate to replace the Windows install, and Mint can hang around for when I need a "normal" Linux install.

Worry: I tried dual-booting them together on a laptop before and I couldn't get grub to recognise both installs, it only detected the most recently installed one and after an evening of running commands way beyond my knowledge I gave up. I'm hoping that's just because I installed them on the same disk though.

Question: does anyone successfully dual-boot a Fedora Atomic install and a "normal" install? If so then what did you do to set it up and did you encounter any issues? And if you're feeling extra helpful, do you have any pro tips for setting up shared storage between the two distros or backups for either?

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[-] Telorand@reddthat.com 2 points 22 hours ago

Windows 10 has been sitting unused on a separate drive...

Maybe you could clarify a few things. You say Windows was on a separate drive, but then you talk about dual booting. Do you mean that Windows was on another partition on a shared drive, or do you have two separate hard drives?

If you have Mint on one hard drive and uBlue on another, seems to me what you should be looking at is adding an entry to Grub. I've only ever done this with Limine, but I would imagine it similarly involves editing some config and running a rebuild command to refresh Grub. There should be plenty of info about how to do this, given how old and ubiquitous Grub is.

If it's two partitions on the same drive, it might be similar, but I don't know.

Tbh though, I'm at a loss as to why you want to dual boot an atomic distro and a typical one. You should be able to do almost everything a normal distro can do by using Distrobox. If you prefer having total control over everything, why bother with an atomic distro? What problem are you trying to solve?

[-] smeg@feddit.uk 2 points 20 hours ago

You say Windows was on a separate drive, but then you talk about dual booting. Do you mean that Windows was on another partition on a shared drive, or do you have two separate hard drives?

I assumed dual booting just means having multiple OSs installed, does it specifically mean having them on the same disk? I have separate disks, so hopefully no need for partitioning shenanigans.

What problem are you trying to solve?

Partly redundancy, if I mess up one then I've still got the other; partly for supporting people, I've set up non-techies on both and I want to be able to load up the same system myself when I need to help them.

this post was submitted on 10 Apr 2026
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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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