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.