Installation of KDE desktop manager on RHEL 7Here 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 7If 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: