Install the ELRepo and GPG key rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org yum install -y http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm Enable kernel updates from elrepo yum-config-manager --enable elrepo-kernel Remove old kernel stuff yum remove -y kernel-{devel,tools,tools-libs} Install the ELRepo built kernel and grub2-tools yum install -y kernel-ml kernel-ml-{devel,tools,tools-libs} grub2-tools We ensure these exist on the off chance they were removed during the kernel stuff above yum install -y dkms gcc redhat-lsb-languages Build a new grub config with the ELRepo kernel entry grub2-mkconfig -o /boot/grub2/grub.cfg grep vmlinuz /boot/grub2/grub.cfg Ensure we boot the latest kernel grub2-set-default 0
Thanks! I haven't used any of this particular code in years and it is woefully out of date.