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KDE + Gnome on Atomic Fedora

I need some help here from the experts.

Some background below, but here’s the question:

Can I run KDE and Gnome on bazzite? How can I install and manage multiple images? I feel silly asking this, but I’m just not finding the correct documentation.

Background:

I have been running KDE desktop Bazzite on my PC for a while now, and I’m loving the robust and easy system (not to mention the ease of gaming). But I have found that one program just doesn’t work correctly, and I had a game (Stellaris) freeze my system several times.

I ended up installing EndeavorOS on an older PC to experiment, and found out that the program in question (openAndroidInstaller) requires a Gnome portal to access my hardware. (Long live the Terminal!) Now I suspect that perhaps the game freeze wouldn’t happen with Gnome either. So I want to have both on bazzite, but can’t figure it out.

pelotron ,
@pelotron@midwest.social avatar

I wondered this same thing and investigated installing Hyprland on Bazzite but didn’t really find anything. I suspect you’d layer the installation into the os with rpm-ostree, but I didn’t end up trying it.

boredsquirrel ,
@boredsquirrel@slrpnk.net avatar

Yes you just layer all the packages. With an additional WM it is not a huge deal. But when doing entire GNOME on Kinoite that will make updates incredibly slow.

So using blue-build would be recommended here.

boredsquirrel ,
@boredsquirrel@slrpnk.net avatar

Hahaha yes this is totally possible but not what you need.

Just do rpm-ostree search portal and install the gnome portal on the KDE base.

bsergay ,

Can I run KDE and Gnome on bazzite?

Both GNOME and KDE Plasma are supported on Bazzite.

How can I install and manage multiple images?

Multiple images can only coexist as follows:

  • Dual-boot
  • Rebase to second image -> pin second image with sudo ostree admin pin <insert digit> -> rebase back to original image. From now on, you can access this second image from GRUB. It’s recommended to designate a different user to the second image; and only access it through that. While what has been just described technically works, and you could even keep the second image up to date with a super cumbersome upgrade path, managing a system like this is not supported and could lead to unforeseen circumstances. Though, it is valid to pin your original image -> test another image through rebasing (and a new designated user) -> rollback to original image. Pinning the original image is not necessary, but I like to play safe. Note that rpm-ostree reset might be needed sometimes for rebasing.

Now I suspect that perhaps the game freeze wouldn’t happen with Gnome either. So I want to have both on bazzite, but can’t figure it out.

So, IIUC, you’re just interested to know if this problem persists on GNOME or not. So, consider the following:

  • Pin your current deployment with sudo ostree admin pin.
  • Create a new user, but don’t use it yet.
  • Rebase to Bazzite’s GNOME image.
  • Reboot
  • Enter through the new user (or create a new one).
  • Test out whatever you want.
  • Rollback through rpm-ostree rollback
  • Reboot
  • Continue using your original user.
whatsgoingdom ,

Not much info on how to achieve it, but some info why it might be bad can be found on the ublue discourse site. (Search for KDE gnome) Basically it seems to mess up configs to have both DEs installed or rebasing from one to the other.

thayer , (edited )

You should be able to layer the xdg-desktop-portal-gnome package, which will also pull any dependencies.

To answer your general question though, yes I believe you can easily install at least minimal versions of each DE with little impact to rpm-ostree performance. They don’t need to be separate images, though that’s possible too by rebasing and pinning. I would just layer the necessary packages to load a GNOME environment (start with rpm-ostree install gnome-shell). This way everything stays up to date with the active image. Pinning would require you to rebase with each image update and then unpin/pin the old/new images…too much work.

For example, I’m running GDM under Kinoite simply because I was having unresolvable issues with SDDM and LightDM.

SidewaysHighways ,

I’ve been curious about this myself.

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