How To Install sddm on CentOS 8
sddm is QML based X11 desktop manager
Introduction
In this tutorial we learn how to install sddm on CentOS 8.
What is sddm
SDDM is a modern display manager for X11 aiming to be fast, simple and beautiful. It uses modern technologies like QtQuick, which in turn gives the designer the ability to create smooth, animated user interfaces.
We can use yum or dnf to install sddm on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install sddm.
Install sddm on CentOS 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install sddm using dnf by running the following command:
sudo dnf -y install sddm
Install sddm on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install sddm using yum by running the following command:
sudo yum -y install sddm
How To Uninstall sddm on CentOS 8
To uninstall only the sddm package we can use the following command:
sudo dnf remove sddm
sddm Package Contents on CentOS 8
/etc/dbus-1/system.d/org.freedesktop.DisplayManager.conf
/etc/pam.d/sddm
/etc/pam.d/sddm-autologin
/etc/pam.d/sddm-greeter
/etc/sddm
/etc/sddm.conf
/etc/sddm/README.scripts
/etc/sddm/Xsetup
/etc/sddm/Xstop
/etc/sddm/wayland-session
/etc/sysconfig/sddm
/usr/bin/sddm
/usr/bin/sddm-greeter
/usr/lib/.build-id
/usr/lib/.build-id/65
/usr/lib/.build-id/65/7af1faead0e93894d0b71e7b9f24910366d266
/usr/lib/.build-id/8d
/usr/lib/.build-id/8d/7ad361d6a71db4562563553538c5e68c4ef4da
/usr/lib/.build-id/9b
/usr/lib/.build-id/9b/cbe12a7688ee512e18c7f7a99be7b190a9e4d1
/usr/lib/systemd/system/sddm.service
/usr/lib/tmpfiles.d/sddm.conf
/usr/lib64/qt5/qml/SddmComponents
/usr/lib64/qt5/qml/SddmComponents/Background.qml
/usr/lib64/qt5/qml/SddmComponents/Button.qml
/usr/lib64/qt5/qml/SddmComponents/Clock.qml
/usr/lib64/qt5/qml/SddmComponents/ComboBox.qml
/usr/lib64/qt5/qml/SddmComponents/ImageButton.qml
/usr/lib64/qt5/qml/SddmComponents/LayoutBox.qml
/usr/lib64/qt5/qml/SddmComponents/Menu.qml
/usr/lib64/qt5/qml/SddmComponents/PasswordBox.qml
/usr/lib64/qt5/qml/SddmComponents/PictureBox.qml
/usr/lib64/qt5/qml/SddmComponents/TextBox.qml
/usr/lib64/qt5/qml/SddmComponents/TextConstants.qml
/usr/lib64/qt5/qml/SddmComponents/qmldir
/usr/lib64/qt5/qml/SddmComponents/warning.png
/usr/libexec/sddm-helper
/usr/share/doc/sddm
/usr/share/doc/sddm/CONTRIBUTORS
/usr/share/doc/sddm/README.md
/usr/share/licenses/sddm
/usr/share/licenses/sddm/LICENSE
/usr/share/man/man1/sddm-greeter.1.gz
/usr/share/man/man1/sddm.1.gz
/usr/share/man/man5/sddm-state.conf.5.gz
/usr/share/man/man5/sddm.conf.5.gz
/usr/share/sddm
/usr/share/sddm/faces
/usr/share/sddm/faces/.face.icon
/usr/share/sddm/faces/root.face.icon
/usr/share/sddm/flags
/usr/share/sddm/flags/ae.png
/usr/share/sddm/flags/am.png
/usr/share/sddm/flags/ar.png
/usr/share/sddm/flags/at.png
/usr/share/sddm/flags/az.png
/usr/share/sddm/flags/be.png
/usr/share/sddm/flags/bg.png
/usr/share/sddm/flags/bh.png
/usr/share/sddm/flags/br.png
/usr/share/sddm/flags/by.png
/usr/share/sddm/flags/ca.png
/usr/share/sddm/flags/ch.png
/usr/share/sddm/flags/cu.png
/usr/share/sddm/flags/cz.png
/usr/share/sddm/flags/de.png
/usr/share/sddm/flags/dj.png
/usr/share/sddm/flags/dk.png
/usr/share/sddm/flags/dz.png
/usr/share/sddm/flags/ee.png
/usr/share/sddm/flags/eg.png
/usr/share/sddm/flags/es.png
/usr/share/sddm/flags/eu.png
/usr/share/sddm/flags/fi.png
/usr/share/sddm/flags/fr.png
/usr/share/sddm/flags/gb.png
/usr/share/sddm/flags/ge.png
/usr/share/sddm/flags/gr.png
/usr/share/sddm/flags/hr.png
/usr/share/sddm/flags/hu.png
/usr/share/sddm/flags/il.png
/usr/share/sddm/flags/in.png
/usr/share/sddm/flags/iq.png
/usr/share/sddm/flags/is.png
/usr/share/sddm/flags/it.png
/usr/share/sddm/flags/jo.png
/usr/share/sddm/flags/jp.png
/usr/share/sddm/flags/km.png
/usr/share/sddm/flags/kr.png
/usr/share/sddm/flags/kw.png
/usr/share/sddm/flags/la.png
/usr/share/sddm/flags/lb.png
/usr/share/sddm/flags/lt.png
/usr/share/sddm/flags/lv.png
/usr/share/sddm/flags/ly.png
/usr/share/sddm/flags/ma.png
/usr/share/sddm/flags/mk.png
/usr/share/sddm/flags/mn.png
/usr/share/sddm/flags/mx.png
/usr/share/sddm/flags/nl.png
/usr/share/sddm/flags/no.png
/usr/share/sddm/flags/om.png
/usr/share/sddm/flags/pl.png
/usr/share/sddm/flags/ps.png
/usr/share/sddm/flags/pt.png
/usr/share/sddm/flags/qa.png
/usr/share/sddm/flags/qc.png
/usr/share/sddm/flags/ro.png
/usr/share/sddm/flags/ru.png
/usr/share/sddm/flags/sa.png
/usr/share/sddm/flags/sd.png
/usr/share/sddm/flags/se.png
/usr/share/sddm/flags/si.png
/usr/share/sddm/flags/sk.png
/usr/share/sddm/flags/so.png
/usr/share/sddm/flags/sr.png
/usr/share/sddm/flags/sy.png
/usr/share/sddm/flags/th.png
/usr/share/sddm/flags/tn.png
/usr/share/sddm/flags/tr.png
/usr/share/sddm/flags/ua.png
/usr/share/sddm/flags/uk.png
/usr/share/sddm/flags/un.png
/usr/share/sddm/flags/us.png
/usr/share/sddm/flags/uy.png
/usr/share/sddm/flags/vn.png
/usr/share/sddm/flags/ye.png
/usr/share/sddm/flags/yu.png
/usr/share/sddm/flags/zz.png
/usr/share/sddm/scripts
/usr/share/sddm/scripts/README.scripts
/usr/share/sddm/scripts/Xsession
/usr/share/sddm/scripts/Xsetup
/usr/share/sddm/scripts/Xstop
/usr/share/sddm/scripts/wayland-session
/usr/share/sddm/themes
/usr/share/sddm/translations
/usr/share/sddm/translations/ar.qm
/usr/share/sddm/translations/bn.qm
/usr/share/sddm/translations/ca.qm
/usr/share/sddm/translations/cs.qm
/usr/share/sddm/translations/da.qm
/usr/share/sddm/translations/de.qm
/usr/share/sddm/translations/es.qm
/usr/share/sddm/translations/et.qm
/usr/share/sddm/translations/fi.qm
/usr/share/sddm/translations/fr.qm
/usr/share/sddm/translations/hi_IN.qm
/usr/share/sddm/translations/hu.qm
/usr/share/sddm/translations/is.qm
/usr/share/sddm/translations/it.qm
/usr/share/sddm/translations/ja.qm
/usr/share/sddm/translations/kk.qm
/usr/share/sddm/translations/ko.qm
/usr/share/sddm/translations/lt.qm
/usr/share/sddm/translations/lv.qm
/usr/share/sddm/translations/nb.qm
/usr/share/sddm/translations/nl.qm
/usr/share/sddm/translations/nn.qm
/usr/share/sddm/translations/pl.qm
/usr/share/sddm/translations/pt_BR.qm
/usr/share/sddm/translations/pt_PT.qm
/usr/share/sddm/translations/ro.qm
/usr/share/sddm/translations/ru.qm
/usr/share/sddm/translations/sk.qm
/usr/share/sddm/translations/sr.qm
/usr/share/sddm/translations/[email protected]
/usr/share/sddm/translations/[email protected]
/usr/share/sddm/translations/[email protected]
/usr/share/sddm/translations/sv.qm
/usr/share/sddm/translations/tr.qm
/usr/share/sddm/translations/uk.qm
/usr/share/sddm/translations/zh_CN.qm
/usr/share/sddm/translations/zh_TW.qm
/var/lib/sddm
/var/run/sddm
References
Summary
In this tutorial we learn how to install sddm on CentOS 8 using yum and dnf.