The default Graphical User Interface for Redhat Enterprise Linux 7 server is Gnome. If from some reason you have decided to install KDE Desktop or to switch from a RHEL7’s default GUI gnome to KDE this short tutorial will provide you with easy to follow steps.
Installation of KDE desktop manager on RHEL 7
Here we assume that you currently do not have any desktop manager installed on your system. To install KDE desktop manager on RHEL 7 execute below command:
[root@rhel7 ~]# yum groupinstall 'X Window System' 'KDE'
Once the installation is finished, change the default target to boot to a graphical environment using
[root@rhel7 ~]# systemctl set-default graphical.target Removed symlink /etc/systemd/system/default.target. Created symlink from /etc/systemd/system/default.target to /usr/lib/systemd/system/graphical.target.
After reboot you will be able to login to KDE desktop manager.
Switching from GNOME desktop manager to KDE on RHEL 7
If you have decided to switch from the RHEL7’s default GUI gnome to KDE desktop manager you first need to install KDE group:
[root@rhel7 ~]# yum groupinstall 'KDE'
After you reboot your system enter your login name and change settings to start KDE session as shown below: