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Customization of GRUB2
From: |
Bruce Dubbs |
Subject: |
Customization of GRUB2 |
Date: |
Tue, 01 Dec 2009 14:20:01 -0600 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.16) Gecko/20080722 SeaMonkey/1.1.11 |
I am trying to provide documentation about GRUB2 (1.97.1) customization
for the Linux From Scratch book. I am having quite a bit of trouble
finding anything describing how to set up a splash screen directly in
grub.cfg.
I've looked in info, faqs, the GRUB2 wiki, and google. I do find
references to /etc/grub.d/05_debian_theme, but that is an indirect way
of customizing grub.cfg. I am trying to show our LFS users how to edit
grub.cfg directly.
Right now I have tried a reasonably simple configuration:
### grub.cfg
set default=0
set timeout=15
insmod ext2
set root=(hd0,1)
loadfont /grub/unifont.pf2
#set gfxmode="1024x768;800x600;640x480"
insmod gfxterm
insmod vbe
insmod png
terminal_output gfxterm
if terminal_output gfxterm ; then true ; else
terminal gfxterm
fi
if background_image=/grub/lfs-logo2.png ; then
set menu_color_normal=red/black
set menu_color_highlight=green/black
else
set menu_color_normal=cyan/blue
set menu_color_highlight=white/blue
fi
#menuentrys
...
----------------
The primary function of GRUB, booting the OS, works great. However
the background image does not display.
Dropping to the command line shows that gfxterm is enabled, the font is
loaded, and the background image is loaded.
terminfo shows VT100.
Reloading the background image from the command line brings up the image
and returning to the menu then works with the image now displayed,
although I can not find any documentation or examples on how to control
the menu frame or menu items.
I hesitate to claim that the problem I am having is a bug in the code,
but I do wonder if the problem is in my configuration or the code.
Any insights or pointers to documentation of customization or examples
of grub.cfg will be much appreciated.
-- Bruce
- Customization of GRUB2,
Bruce Dubbs <=
- Re: Customization of GRUB2, Vladimir 'φ-coder/phcoder' Serbinenko, 2009/12/01
- Re: Customization of GRUB2, Vladimir 'φ-coder/phcoder' Serbinenko, 2009/12/01
- Re: Customization of GRUB2, Bruce Dubbs, 2009/12/01
- grub.info, Bruce Dubbs, 2009/12/02
- Re: grub.info, Seth Goldberg, 2009/12/02
- Re: grub.info, Vladimir 'φ-coder/phcoder' Serbinenko, 2009/12/03