I am new to Ubuntu.

I got the following lines after an interrupted apt-get install.

Running depmod.
update-initramfs: deferring update (hook will be called later)
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 3.13.0-29-generic /boot/vmlinuz-3.13.0-29-generic
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.13.0-29-generic /boot/vmlinuz-3.13.0-29-generic
update-initramfs: Generating /boot/initrd.img-3.13.0-29-generic
run-parts: executing /etc/kernel/postinst.d/pm-utils 3.13.0-29-generic /boot/vmlinuz-3.13.0-29-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 3.13.0-29-generic /boot/vmlinuz-3.13.0-29-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 3.13.0-29-generic /boot/vmlinuz-3.13.0-29-generic
/usr/sbin/grub-mkconfig: 14: /etc/default/grub: nouveau.modeset=0: not found
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 127
Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-3.13.0-29-generic.postinst line 1025.
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          No apport report written because MaxReports is reached already
                        No apport report written because MaxReports is reached already
                                                                                      No apport report written because MaxReports is reached already
    No apport report written because MaxReports is reached already
                                                                  No apport report written because MaxReports is reached already
                                                                                                                                No apport report written because MaxReports is reached already
                                              No apport report written because MaxReports is reached already
                                                                                                            dpkg: error processing package linux-image-3.13.0-29-generic (--configure):
 subprocess installed post-installation script returned error exit status 2
dpkg: dependency problems prevent configuration of linux-image-extra-3.13.0-29-generic:
 linux-image-extra-3.13.0-29-generic depends on linux-image-3.13.0-29-generic; however:
  Package linux-image-3.13.0-29-generic is not configured yet.

dpkg: error processing package linux-image-extra-3.13.0-29-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-image-generic:
 linux-image-generic depends on linux-image-3.13.0-29-generic; however:
  Package linux-image-3.13.0-29-generic is not configured yet.
 linux-image-generic depends on linux-image-extra-3.13.0-29-generic; however:
  Package linux-image-extra-3.13.0-29-generic is not configured yet.

dpkg: error processing package linux-image-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-generic:
 linux-generic depends on linux-image-generic (= 3.13.0.29.35); however:
  Package linux-image-generic is not configured yet.

dpkg: error processing package linux-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-image-extra-3.13.0-27-generic:
 linux-image-extra-3.13.0-27-generic depends on linux-image-3.13.0-27-generic; however:
  Package linux-image-3.13.0-27-generic is not configured yet.

dpkg: error processing package linux-image-extra-3.13.0-27-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-signed-image-3.13.0-29-generic:
 linux-signed-image-3.13.0-29-generic depends on linux-image-3.13.0-29-generic (= 3.13.0-29.53); however:
  Package linux-image-3.13.0-29-generic is not configured yet.
 linux-signed-image-3.13.0-29-generic depends on linux-image-extra-3.13.0-29-generic (= 3.13.0-29.53); however:
  Package linux-image-extra-3.13.0-29-generic is not configured yet.

dpkg: error processing package linux-signed-image-3.13.0-29-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-signed-image-generic:
 linux-signed-image-generic depends on linux-signed-image-3.13.0-29-generic; however:
  Package linux-signed-image-3.13.0-29-generic is not configured yet.

dpkg: error processing package linux-signed-image-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-signed-generic:
 linux-signed-generic depends on linux-signed-image-generic (= 3.13.0.29.35); however:
  Package linux-signed-image-generic is not configured yet.

dpkg: error processing package linux-signed-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-signed-image-3.13.0-27-generic:
 linux-signed-image-3.13.0-27-generic depends on linux-image-3.13.0-27-generic (= 3.13.0-27.50); however:
  Package linux-image-3.13.0-27-generic is not configured yet.
 linux-signed-image-3.13.0-27-generic depends on linux-image-extra-3.13.0-27-generic (= 3.13.0-27.50); however:
  Package linux-image-extra-3.13.0-27-generic is not configured yet.

dpkg: error processing package linux-signed-image-3.13.0-27-generic (--configure):
 dependency problems - leaving unconfigured
Setting up libxkbcommon-x11-0:amd64 (0.4.1-0ubuntu1) ...
Setting up libqt5gui5:amd64 (5.2.1+dfsg-1ubuntu14.2) ...
Processing triggers for libc-bin (2.19-0ubuntu6) ...
Errors were encountered while processing:
 linux-image-3.13.0-27-generic
 linux-image-3.13.0-29-generic
 linux-image-extra-3.13.0-29-generic
 linux-image-generic
 linux-generic
 linux-image-extra-3.13.0-27-generic
 linux-signed-image-3.13.0-29-generic
 linux-signed-image-generic
 linux-signed-generic
 linux-signed-image-3.13.0-27-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)