How to customize Kali Linux Grub bootloader
Channel: Weekend Creator
Date: 2018-04-04

In this video we'll learn how to customize Kali Linux Grub Bootloader.
Step 1 : open terminal 
Step 2 : write " cd /etc " 
Step 3 : write " cd /boot "
Step 4 : write " cd grub "
Step 5 : write " ls "  , to list the files in that grub folder 
Step 6 : write " gedit grub.cfg " 
Step 7 : search for " time " and change the time upto your needs.
Step 8 : then search for " background " and change the file name to                 your file name. example" my.png "
Step 9 : then goto  " /usr/share/desktop-base/kali-theme/grub "
Step 10 : then paste your PNG photo in this folder.
COMPLETE 
reboot to see the changes.
[ NOTE ] : photo should be of .png format only .
You can use online image  converters to convert .jpg to .png