EFI/BOOT/grub.cfg

set default="1"

function load_video {
  insmod efi_gop
  insmod efi_uga
  insmod video_bochs
  insmod video_cirrus
  insmod all_video
}

load_video
set gfxpayload=keep
insmod gzio
insmod part_gpt
insmod ext2

set timeout=60
### END /etc/grub.d/00_header ###

search --no-floppy --set=root -l 'CentOS 7 x86_64'

### BEGIN /etc/grub.d/10_linux ###
menuentry 'Install CentOS 7' --class fedora --class gnu-linux --class gnu --class os {
        linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 quiet
        initrdefi /images/pxeboot/initrd.img
}
menuentry 'Test this media & install CentOS 7' --class fedora --class gnu-linux --class gnu --class os {
        linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 rd.live.check quiet
        initrdefi /images/pxeboot/initrd.img
}
submenu 'Troubleshooting -->' {
        menuentry 'Install CentOS 7 in basic graphics mode' --class fedora --class gnu-linux --class gnu --class os {
                linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 xdriver=vesa nomodeset quiet
                initrdefi /images/pxeboot/initrd.img
        }
        menuentry 'Rescue a CentOS system' --class fedora --class gnu-linux --class gnu --class os {
                linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 rescue quiet
                initrdefi /images/pxeboot/initrd.img
        }
}
1	set default="1"
2
3	function load_video {
4	insmod efi_gop
5	insmod efi_uga
6	insmod video_bochs
7	insmod video_cirrus
8	insmod all_video
9	}
10
11	load_video
12	set gfxpayload=keep
13	insmod gzio
14	insmod part_gpt
15	insmod ext2
16
17	set timeout=60
18	### END /etc/grub.d/00_header ###
19
20	search --no-floppy --set=root -l 'CentOS 7 x86_64'
21
22	### BEGIN /etc/grub.d/10_linux ###
23	menuentry 'Install CentOS 7' --class fedora --class gnu-linux --class gnu --class os {
24	linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 quiet
25	initrdefi /images/pxeboot/initrd.img
26	}
27	menuentry 'Test this media & install CentOS 7' --class fedora --class gnu-linux --class gnu --class os {
28	linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 rd.live.check quiet
29	initrdefi /images/pxeboot/initrd.img
30	}
31	submenu 'Troubleshooting -->' {
32	menuentry 'Install CentOS 7 in basic graphics mode' --class fedora --class gnu-linux --class gnu --class os {
33	linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 xdriver=vesa nomodeset quiet
34	initrdefi /images/pxeboot/initrd.img
35	}
36	menuentry 'Rescue a CentOS system' --class fedora --class gnu-linux --class gnu --class os {
37	linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 rescue quiet
38	initrdefi /images/pxeboot/initrd.img
39	}
40	}