package:linux-image-extra-4.10.0-30-generic:4.10.0-30.34~16.04.1 Removing linux-image-extra-4.10.0-30-generic (4.10.0-30.34~16.04.1) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.10.0-30-generic /boot/vmlinuz-4.10.0-30-generic /etc/kernel/postinst.d/apt-auto-removal: 21: /etc/kernel/postinst.d/apt-auto-removal: awk: not found /etc/kernel/postinst.d/apt-auto-removal: 26: /etc/kernel/postinst.d/apt-auto-removal: awk: not found run-parts: /etc/kernel/postinst.d/apt-auto-removal exited with return code 127 dpkg: error processing package linux-image-extra-4.10.0-30-generic (--remove): subprocess installed post-removal script returned error exit status 1