Sunday, July 13, 2014

No KDE Display Manager (kdm) on RHEL7 and clones

Red Hat considers kdm to be dead. If you are trying to build a minimal installation, you'll have to substitute ldm (light display manager) for gdm. Go to rpmfind.net or one of the other repositories and download the following files:

desktop-backgrounds-compat-20.0.0-1.fc20.noarch.rpm
heisenbug-backgrounds-base-20.0.0-1.fc20.noarch.rpm
lightdm-1.8.8-1.fc20.x86_64.rpm
lightdm-gobject-1.8.8-1.fc20.x86_64.rpm
lightdm-gtk-1.6.1-3.fc20.x86_64.rpm

Then, run the following commands:
rpm -i --force desktop-backgrounds-compat*.rpm heisenbug*.rpm
yum localinstall lightdm-1.8.8*.rpm lightdm-gobject-1.8.8-1*.rpm lightdm-gtk-1.6.1-3*.rpm
systemctl disable gdm.service
systemctl enable lightdm.service
reboot

If you miss the default background, you can do this:

rpm -i --force centos-logos-70.0.6-1.el7.rpm

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