- I know the preview image looks orange but in-person its red. Trust me bro.
Copy the "siva" folder with root privileges to /boot/grub/themes/
Edit /etc/default/grub and add: (For Green Theme)
GRUB_THEME=/boot/grub/themes/sivagreen/theme.txt
Edit /etc/default/grub and add: (For Red Theme)
GRUB_THEME=/boot/grub/themes/sivared/theme.txt
Update grub (for everybody else) :
sudo update-grub
Update grub (For arch users btw) :
sudo grub-mkconfig -o /boot/grub/grub.cfg