How To Install sddm-kcm on CentOS 8

sddm-kcm is SDDM KDE configuration module

Introduction

In this tutorial we learn how to install sddm-kcm on CentOS 8.

What is `sddm-kcm`

This is a System Settings configuration module for configuring the SDDM Display Manager

We can use yum or dnf to install sddm-kcm on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install sddm-kcm.

Install sddm-kcm 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-kcm using dnf by running the following command:

sudo dnf -y install sddm-kcm

Install sddm-kcm 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-kcm using yum by running the following command:

sudo yum -y install sddm-kcm

How To Uninstall sddm-kcm on CentOS 8

To uninstall only the sddm-kcm package we can use the following command:

sudo dnf remove sddm-kcm

sddm-kcm Package Contents on CentOS 8

/usr/bin/sddmthemeinstaller
/usr/lib/.build-id
/usr/lib/.build-id/7c
/usr/lib/.build-id/7c/37203eb07562a297d0a9ad5de42db3f95bbd31
/usr/lib/.build-id/ba
/usr/lib/.build-id/ba/9cf0965676587d5944a045188832b4bc14a28c
/usr/lib/.build-id/cf
/usr/lib/.build-id/cf/d259321abbd1978b5a410104942d1cfc600978
/usr/lib64/qt5/plugins/kcm_sddm.so
/usr/libexec/kf5/kauth/kcmsddm_authhelper
/usr/share/dbus-1/system-services/org.kde.kcontrol.kcmsddm.service
/usr/share/dbus-1/system.d/org.kde.kcontrol.kcmsddm.conf
/usr/share/knsrcfiles/sddmtheme.knsrc
/usr/share/kservices5/kcm_sddm.desktop
/usr/share/licenses/sddm-kcm
/usr/share/licenses/sddm-kcm/COPYING
/usr/share/locale/ar/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/ast/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/bs/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/ca/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/ca@valencia/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/cs/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/da/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/de/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/el/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/en_GB/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/es/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/et/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/eu/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/fi/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/fr/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/gl/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/he/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/hu/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/ia/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/id/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/it/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/ja/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/ko/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/lt/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/ml/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/nb/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/nl/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/nn/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/pa/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/pl/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/pt/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/pt_BR/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/ro/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/ru/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/sk/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/sl/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/sr/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/sr@ijekavian/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/sr@ijekavianlatin/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/sr@latin/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/sv/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/tr/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/uk/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/zh_CN/LC_MESSAGES/kcm_sddm.mo
/usr/share/locale/zh_TW/LC_MESSAGES/kcm_sddm.mo
/usr/share/polkit-1/actions/org.kde.kcontrol.kcmsddm.policy
/usr/share/sddm-kcm
/usr/share/sddm-kcm/main.qml

References

sddm-kcm website

Summary

In this tutorial we learn how to install sddm-kcm on CentOS 8 using yum and dnf.