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 Linux 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 Linux 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 Linux 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 Linux 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 } }