/bin/sh: 1: /usr/sbin/dpkg-preconfigure: not found
dpkg: error processing package linux-image-3.13.0-37-generic (--configure):
 package linux-image-3.13.0-37-generic is not ready for configuration
 cannot configure (current status `half-installed')
dpkg: error processing package linux-image-extra-3.13.0-37-generic (--configure):
 package linux-image-extra-3.13.0-37-generic is not ready for configuration
 cannot configure (current status `half-installed')
Errors were encountered while processing:
 linux-image-3.13.0-37-generic
 linux-image-extra-3.13.0-37-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)