How to make use of the xfce4-notes-plugin package in QubesOS?

The dom0 of QubesOS Version 4.2.4 (latest stable at the time of this writing: May 31st, 2025) is based on Fedora-37. The repositories of Fedora-37 seem not include a package xfce4-notes-plugin. Therefore any attempt adding this using the comand:

sudo dnf install xfce4-notes-plugin

will fail with the error message Error: Unable to find a match: xfce4-notes-plugin. However adding this package to any template qube doesn’t work either, because the added notes do not reappear automatically after a session restart. Any suggestions how to solve this?

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Just to confirm, did you make sure to shut down the template after installing the package, then (re)start the app qube? In other words:

  1. Install package in template.
  2. Shut down template.
  3. If app qube based on template is running, restart it.

Also, based on the description, it sounds like you might need an Xfce4 panel running in the app qube in order for this plugin to appear or work, but I’m not familiar with this particular plugin.

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I believe Xfce Plugins will appear only on a GUIVM (either dom0 or a sys-gui* qube based on the template which has the plugin installed).

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I think it should be possible to run them in a domU, though it might require non-seamless mode.

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Yes. That should be possible.

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They do. In dom0, you have to use qubes-dom0-update instead of dnf install, even for regular Fedora packages:

sudo qubes-dom0-update xfce4-notes-plugin
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Thank you very much! I’ve learned something new from your answer.

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