RHEL7: How to install the ELRepo repository.
The ELRepo project provides packages for Red Hat Enterprise Linux 7 and its derivatives (CentOS, Scientific Linux). It focuses on hardware related packages (kernels, filesystem drivers, graphics drivers, network drivers, sound drivers, webcam and video drivers).
There is a list of the available packages in the ELRepo repository.
# yum install -y "http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm"
elrepo-kernel: it contains old and recent kernels; it is disabled by default.