Desktop version of Ubuntu
uses GNOME
as the default desktop environment.
KDE
can be installed and configured to be the default desktop environment on an Ubuntu
system. Users will then be logged in to KDE
's Plasma
by default while still having the option to log in to GNOME
when they want to.
apt
's package list. $ sudo apt update [sudo] password for user: Get:1 http://security.ubuntu.com/ubuntu focal-security InRelease [107 kB] Hit:2 http://jp.archive.ubuntu.com/ubuntu focal InRelease Get:3 http://jp.archive.ubuntu.com/ubuntu focal-updates InRelease [111 kB] Get:4 http://jp.archive.ubuntu.com/ubuntu focal-backports InRelease [98.3 kB] Get:5 http://security.ubuntu.com/ubuntu focal-security/main amd64 DEP-11 Metadata [21.2 kB] Get:6 http://security.ubuntu.com/ubuntu focal-security/universe amd64 DEP-11 Metadata [35.8 kB] Fetched 374 kB in 2s (205 kB/s) Reading package lists... Done Building dependency tree Reading state information... Done All packages are up to date.
apt
(optional). $ sudo apt dist-upgrade --assume-yes Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
kubuntu-desktop
meta package via apt
. $ sudo apt install --assume-yes kubuntu-desktop Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: appmenu-gtk-module-common appmenu-gtk3-module apport-kde apt-config-icons-large apt-config-icons-large-hidpi apt-xapian-index ark baloo-kf5 bluedevil breeze breeze-cursor-theme breeze-gtk-theme breeze-icon-theme catdoc cdrdao cryfs cryptsetup cryptsetup-bin ##### snipped 0 upgraded, 671 newly installed, 0 to remove and 0 not upgraded. Need to get 402 MB of archives. After this operation, 1,490 MB of additional disk space will be used. ##### snipped
This will install a complete KDE Plasma
/Kubuntu
packages and experience on your Ubuntu
system.
Ok
using the tab key and enter to configure display manager. SDDM
or Simple Desktop Display Manager (optional) and click ok.
SDDM
is the default display manager for Kubuntu
/KDE
.
$ sudo reboot
Plasma
when logging in to the system.
Select Ubuntu
or Ubuntu on Wayland (Wayland)
if you want to log in to GNOME
desktop environment.
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