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104 lines
2.1 KiB
ReStructuredText
104 lines
2.1 KiB
ReStructuredText
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=========================
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KDE (desktop environment)
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=========================
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Installation
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------------
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Prior to R3.2, KDE was the default desktop environment in Qubes.
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Beginning with R3.2, however, :doc:`XFCE is the new default desktop environment </developer/releases/3_2/release-notes>`. Nonetheless, it is
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still possible to install KDE by issuing this command in dom0:
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.. code:: bash
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$ sudo qubes-dom0-update kde-settings-qubes
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You can also change your default login manager (lightdm) to the new KDE
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default: sddm
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- first you need to edit the ``/etc/sddm.conf`` to make sure if the
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custom X parameter is set according to Qubes needs:
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.. code:: bash
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[XDisplay]
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ServerArguments=-nolisten tcp -background none
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- disable the lightdm service:
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.. code:: bash
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$ sudo systemctl disable lightdm
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- enable the sddm service:
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.. code:: bash
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$ sudo systemctl enable sddm
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- reboot
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If you encounter performance issues with KDE, try switching back to
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LightDM.
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Window Management
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-----------------
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You can set each window’s position and size like this:
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.. code:: python
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Right click title bar --> More actions --> Special window settings...
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Window matching tab
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Window class (application): Exact Match: <vm_name>
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Window title: Substring Match: <partial or full program name>
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Size & Position tab
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[x] Position: Apply Initially: x,y
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[x] Size: Apply Initially: x,y
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You can also use ``kstart`` to control virtual desktop placement like
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this:
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.. code:: bash
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kstart --desktop 3 --windowclass <vm_name> -q --tray -a <vm_name> '<run_program_command>'
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(Replace “3” with whichever virtual desktop you want the window to be
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on.)
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This can be useful for creating a simple shell script which will set up
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your workspace the way you like.
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Removal
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-------
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If you decide to remove KDE do **not** use
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``dnf remove @kde-desktop-qubes``. You will almost certainly break your
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system.
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The safest way to remove (most of) KDE is:
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.. code:: bash
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sudo dnf remove kdelibs plasma-workspace
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