Michael Kress wrote:
- install minimal 5.1 / do NOT "yum update"
- wait for 5.3 / do NOT "yum update" during that period
After installing the other kernel:
sed -i -r 's/^(UPDATEDEFAULT=).*/\1no/' /etc/sysconfig/kernel
You can do it before installing it, but then you would need to manually update /boot/grub/grub.conf.