I have installed grub-customizer
in my system, Kubuntu 14.04.
When I try to start it, I get the following error, (kindly help)...
santosh@santosh-pc:/usr/bin$ sudo ./grub-customizer
No protocol specified
** (grub-customizer:2992): WARNING **: Could not open X display
No protocol specified
error: XDG_RUNTIME_DIR not set in the environment.
(grub-customizer:2992): Gtk-WARNING **: cannot open display: :0