GRUB 2 modification

/etc/default/grub

sudo update-grub




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http://ubuntuforums.org/showthread.php?t=1195275

Find kernel:
uname -a : print all information

uname -r : print the kernel release

uname -v : print the kernel version

uname -o : print the operating system

In Synaptic package manager, search "linux-image"

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How to add a splashmage in GRUB2
http://members.iinet.net/~herman546/p20/GRUB2%20Splashimages.html

sudo apt-get install grub2-splashimages
sudo cp /usr/share/images/grub/*.tga /boot/grub/
gksudo gedit /etc/grub.d/05_debian_theme
scroll down in the file and find line 16 or 17
change the following code in line 16 or 17 from:
for i in {/boot/grub,/usr/share/images/desktop-base}/moreblue-orbit-grub.{png,tga} ; do

to replace 'moreblue-orbit-grub' with the name of the splashimage of your choice)
for i in {/boot/grub,/usr/share/images/desktop-base}/Windbuchencom.{png,tga} ; do