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How to Change Default Grub Theme or Splash Image in Ubuntu 10.10

2011-05-05 19:03 806 查看

Ubuntu
10.10, Maverick Meerkat and its predecessor Lucid Lynx (10.04 LTS)
use Grub2 and it is possible to change the grub theme from its drab
black and white to something more refreshing. The instructions for
doing so are included below. In addition you can also change the
resolution of the Grub screen to suit your high resolution monitor!

First
install grub themes by doing this (by the way you can skip installing
these and
use your own .png image for this purpose).

sudo apt-get install grub2-splashimages

The downloaded files
are located in the following folders

/usr/share/images/grub/

You
can list their contents by using the following commands

ls /usr/share/images/grub/

This would list the
contents similar to whats is shown below

zhujia@Zhujia:~$ ls
/usr/share/images/grub/

050817-N-3488C-028.tga
Glasses_800_edit.tga

2006-02-15_Piping.tga
Hortensia-1.tga

Aesculus_hippocastanum_fruit.tga
Lake_mapourika_NZ.tga

Apollo_17_The_Last_Moon_Shot_Edit1.tga
Moraine_Lake_17092005.tga

B-1B_over_the_pacific_ocean.tga
Plasma-lamp.tga

BonsaiTridentMaple.tga
Sparkler.tga

Flower_jtca001.tga
TulipStair_QueensHouse_Greenwich.tga

Fly-Angel.tga
Windbuchencom.tga

You
can also browse to the images, how they look, screenshot included
below

Now
edit the /etc/grub.d/05_debian_theme file by doing this

sudo gedit /etc/grub.d/05_debian_theme

Search
for the line that says

WALLPAPER="/usr/share/images/desktop-base/moreblue-orbit-grub.png"

and
replace the path for the file that you want to use for your grub
theme. I choose this

WALLPAPER="/usr/share/images/grub/Windbuchencom.tga"

If
you also need to change the color of text then you can modify the
following two lines

COLOR_NORMAL="black/black"

COLOR_HIGHLIGHT="magenta/black"

Now
save the file and update grub by running the usual command

sudo update-grub

After
this restart your computer to test the new grub theme. Looks much
better? If you want to increase the resolution of the grub screen,
read on!

First
you need to find out the modes which your graphic card supports via
VBE, you can do that by pressing c
on
the grub boot menu, this would open a grub command prompt, type the
following there

vbeinfo

It
is going to spit out several lines which tells you all the supported
resolutions. Choose the one you want to use, and after booting back
in Ubuntu, uncomment the following line in/etc/default/grub

#GRUB_GFXMODE=640x480

replace
it with the resolution you want to use, I used this

GRUB_GFXMODE=1920x1200

Now,
it would only be appropriate if you use an image corresponding to the
desired grub resolution for the Grub background, so specify the path
for the image that has this resolution, if you use an incorrect
resolution image, it might result in stretching.

WALLPAPER="/usr/share/images/grub/mywallpaper.png"

Now
regenerate the Grub.cfg by running the command

sudo update-grub

Good Luck

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