Changing Grub background image
To change the background of Grub, located in
/boot/gfxmenu. Replace same by another image having the same name and size i.e 800*600, back.jpg
Open a console and log as root:
su -
password
It is recommended to make a back up of all original files before any configuration:
cp /boot/gfxmenu /boot/gfxmenu.orig
Then create a temporary directory where all setting will be performed :
mkdir /tmp/temporary
Place in the temporary directory:
cd /tmp/temporary
Extract the archive:
cat /boot/gfxmenu | cpio -i
Copy new image , located in
/home/votre _login/Images
cp -vf /home/your_login/Images/back.jpg /tmp/temporary
Add the archive in /boot:
find . | cpio -o > /boot/gfxmenu
You can now delete the temporary directory and restart your computer.
rm -vfR /tmp/temporary