[CentOS] Xen hypervisor on CentOS 7.4 with modern UEFI server not booting from grub
Chris Adams
linux at cmadams.netWed Jan 31 20:06:02 UTC 2018
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Once upon a time, John Naggets <hostingnuggets at gmail.com> said: > Jonathan brings it exactly to the point: we have to face UEFI because > legacy mode is fading out, if I enable legacy mode I can't even boot > anymore through the network (PXE) as these newer network cards can > only boot PXE with UEFI. UEFI PXE is different than BIOS PXE and needs to download different software from the TFTP server. I use syslinux for BIOS PXE, but it doesn't seem to work with UEFI PXE so I use grub2 (I use the secure boot shim from Fedora to support as many setups as practical). You can have both available at the same time (takes a DHCP tweak). Just like the early days of BIOS PXE however, UEFI PXE clients don't always seem to do the right thing. I have an Intel NUC (7th gen), and it always fails with UEFI PXE. -- Chris Adams <linux at cmadams.net>
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