update-initramfs: Generating /boot/initrd.img-3.19.0-28-generic Cannot open display "default display" E: /usr/share/initramfs-tools/hooks/console_setup failed with return 255. update-initramfs: failed for /boot/initrd.img-3.19.0-28-generic with 255.
update-initramfs: Generating /boot/initrd. img-3.19. 0-28-generic initramfs- tools/hooks/ console_ setup failed with return 255. img-3.19. 0-28-generic with 255.
Cannot open display "default display"
E: /usr/share/
update-initramfs: failed for /boot/initrd.