Operating Systems Linux Problem in displaying message on RHEL6 on EFI during PXE boot Post 302859881 by indus123 on Friday 4th of October 2013 05:34:57 AM
Old 10-04-2013
Problem in displaying message on RHEL6 on EFI during PXE boot


I am doing PXE boot for RHEL6.4 on EFI and want to display custom messsage before loading vmlinuz and initrd.img, which is not working.

boot server side (In case of BIOS client):

In /var/lib/tftpboot/default file I am putting the message in below format:

SAY hello world

boot server side(In case of EFI client):

In /var/lib/tftpboot/efidefault file I am putting the message in below format:

SAY hello world

In case of BIOS client machine, message is being displayed successfully but in case of EFI it is not.

Please suggest any similar method for EFI as its very urgent.


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SYSTEMD-EFI-BOOT-GENERATOR(8)				    systemd-efi-boot-generator				     SYSTEMD-EFI-BOOT-GENERATOR(8)

systemd-efi-boot-generator - Generator for automatically mounting the EFI System Partition used by the current boot to /boot SYNOPSIS
/usr/lib/systemd/system-generators/systemd-efi-boot-generator DESCRIPTION
systemd-efi-boot-generator is a generator that automatically creates mount and automount units for the EFI System Partition (ESP), mounting it to /boot. Note that this generator will execute no operation on non-EFI systems, on systems where the boot loader does not communicate the used ESP to the OS, on systems where /boot is an explicitly configured mount (for example, listed in fstab(5)) or where the /boot mount point is non-empty. Since this generator creates an automount unit, the mount will only be activated on-demand, when accessed. systemd-efi-boot-generator implements the generator specification[1]. SEE ALSO
systemd(1), systemd.mount(5), systemd.automount(5), systemd-gpt-auto-generator(8), gummiboot(8), fstab(5) NOTES
1. generator specification http://www.freedesktop.org/wiki/Software/systemd/Generators systemd 208 SYSTEMD-EFI-BOOT-GENERATOR(8)

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