update-initramfs: Generating /boot/initrd.img-3.13.0-40-generic /usr/sbin/mkinitramfs: 9: /usr/sbin/mkinitramfs: gzip: not found E: mkinitramfs failure cpio 141 gzip 127 update-initramfs: failed for /boot/initrd.img-3.13.0-40-generic with 1. run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
update-initramfs: Generating /boot/initrd. img-3.13. 0-40-generic mkinitramfs: 9: /usr/sbin/ mkinitramfs: gzip: not found img-3.13. 0-40-generic with 1. postinst. d/initramfs- tools exited with return code 1
/usr/sbin/
E: mkinitramfs failure cpio 141 gzip 127
update-initramfs: failed for /boot/initrd.
run-parts: /etc/kernel/