Ok so you have a fresh installation of CentOS7 were following the CentOS Xen quick start and you have an EFI BIOS and you’re unable to boot the Xen kernel. This is how it’s fixed: You boot from any other kernel and login, etc..
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cp -a /usr/lib/grub/x86_64-efi /boot/efi/EFI/centos/ |
Then edit /boot/efi/EFI/centos/grub.cfg (with nano, vi, vim or whatever) Right…
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