I've installed the lubuntu-desktop package and love it. To save space, I'm wondering whether I can uninstall Gnome and unity. Is it safe to remove 'ubuntu-desktop' package? Are there any other packages I should install or remove to have a comfortable lubuntu experience without doing a fresh install?

Edit: On doing a dry-run purge of ubuntu-desktop, the following autoremovable packages were listed. Please advise as to which of them are necessary for the functioning of Ubuntu with lxqt.

aisleriot app-install-data-partner apturl apturl-common baobab branding-ubuntu brltty cheese deja-dup dmz-cursor-theme duplicity espeak-ng-data fonts-noto-color-emoji gedit gedit-common gir1.2-geocodeglib-1.0 gir1.2-gtksource-4 gir1.2-gudev-1.0 gnome-calendar gnome-font-viewer gnome-initial-setup gnome-mahjongg gnome-mines gnome-screenshot gnome-session-canberra gnome-shell-extension-appindicator gnome-shell-extension-desktop-icons gnome-shell-extension-ubuntu-dock gnome-sudoku gnome-todo gnome-todo-common gnome-video-effects gstreamer1.0-packagekit gstreamer1.0-plugins-base-apps guile-2.2-libs gvfs-bin ibus-table libatk-adaptor libbrlapi0.6 libdazzle-1.0-0 libdotconf0 libespeak-ng1 libgc1c2 libgnome-games-support-1-3 libgnome-games-support-common libgnome-todo libgtk2-perl libgtksourceview-4-0 libgtksourceview-4-common libnotify-bin libpango-perl libpcaudio0 libproxy1-plugin-gsettings libproxy1-plugin-networkmanager libqqwing2v5 libraw19 libreoffice-gnome libreoffice-ogltrans libreoffice-pdfimport librsync2 libsonic0 libspeechd2 libsysmetrics1 nautilus-share network-manager-config-connectivity-ubuntu orca python3-bcrypt python3-brlapi python3-fasteners python3-future python3-gi-cairo python3-lockfile python3-louis python3-monotonic python3-paramiko python3-pyatspi python3-speechd seahorse shotwell shotwell-common simple-scan sound-icons speech-dispatcher speech-dispatcher-audio-plugins speech-dispatcher-espeak-ng ubuntu-desktop-minimal ubuntu-report ubuntu-settings ubuntu-software ubuntu-web-launchers usb-creator-gtk vino xbrlapi xcursor-themes xdg-user-dirs-gtk yaru-theme-gtk yaru-theme-icon yaru-theme-sound

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    I believe it's safe to remove ubuntu-desktop (packages.ubuntu.com/eoan/ubuntu-desktop) but I've not tested it. If you want to be 100% safe I'd spin up a VM, install your system (ie. Ubuntu 19.10, add lubuntu-desktop, then remove ubuntu-desktop & reboot the VM and see how it performs). Your backup if you have problems is a re-install using "Manual Partitioning" and use existing partitions (no-format) – guiverc Nov 5 at 6:42
  • note that these *ubuntu-desktop packages are just meta-packages and uninstalling it will not necessarily remove any real package.... you need at least an autoremove afterwards – pLumo Nov 5 at 6:58

I removed ubuntu-desktop, and ran "apt autoremove". Computer still booting, lxqt environment is still working wonderfully.

Anybody else who tries it please note that some amount of duplicate software is nevertheless left behind, which can be uninstalled manually, including, but not limited to, Nautilus, file roller, Thunderbird, etc.

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