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I'm excited about very pure and slim desktop environments without unnecessary bloat. In the past I always installed Debian with LXDE as a minimal possible desktop installation considering only inevitably necessary packages to run the GUI like:

xserver-xorg-core lxde-core lightdm network-manager network-manager-gnome

Now I want to switch to Debian 9 with LXQt. Which packages are at least required for the minimal possible installation of the new LXQt-GUI?

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You can install LXQT on debian stretch through the following commands:

apt install lxqt-core apt install lxqt apt install task-lxqt-desktop

LXQt: The Lightweight Qt Desktop Environment

You can get a minimal LXQT desktop by excluding the recommended packages:

apt --no-install-recommends install lxqt compton compton-conf apt install sddm lxterminal

You can install your favorite Web Browsers through apt ,also midori is a lightweight web browser packaged in debian repository.

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    I fear the package lxqt contains a whole bunch of bloatware. Even the developers themselves say: "There are metapackages lxqt-core providing core features and lxqt providing LXQt as a whole plus some additional applications." Like I mentioned before: I want to install all necessary applications by myself to avoid an undesired bloat. Can I install only the packages lxqt-core as well as task-lxqt-desktop to get a already working desktop environment? (Source: github.com/lxde/lxqt/wiki/Binary-packages) Commented Jan 8, 2018 at 2:48
  • @Dave answer edited including some details. Commented Jan 8, 2018 at 9:36
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    task-lxqt-desktop lists the lxqt metapackage as a dependency. packages.debian.org/stretch/task-lxqt-desktop. I would try, just, lxqt-core PLUS a browser e.g. Chromium and sound e.g. Pulseaudio. LightDM is Ok as a desktop login manager - if you don't have it you will have to input startx Commented Jan 8, 2018 at 14:58
  • @arochester: "I would try, just, lxqt-core". You are completely right! One only need the packages lxqt-core as well as lxqt-qtplugin (otherwise the icons don't work reliable)... Thank you very much! Commented Jan 9, 2018 at 11:26
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I just tried it by myself: Only the package lxqt-core is necessary! This package already delivers required dependencies like display manager, window manager, file manager (pcmanfm-qt) and panel.

Furthermore it is recommendable to install lxqt-qtplugin as well, otherwise the symbol icons won't work proper...

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  • PLEASE consider amending your answer to note that there is a big difference between apt-get install lxqt-core and apt-get --no-install-recommends lxqt-core. For me, the difference is 71 packages, 18Mb downloads, and 169Mb disk space, but YMMV based upon what prior packages you had installed. Commented Aug 10, 2018 at 19:03
  • The keyboard and mouse did not work until I installed: xserver-xorg-input-libinput For what it is worth... Commented Aug 13, 2019 at 7:07
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And keep in mind that lxqt and lxqt-core are meta-packages - if one don't like these one can install the needed components by hand - the meta-packages can and will be a good guide.

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