ubble@fishtank:~$ sudo apt-get -f install
[sudo] password for bubble: 
Reading package lists... Done
Building dependency tree 
Reading state information... Done
Correcting dependencies... Done
The following packages were automatically installed and are no longer required:
linux-headers-3.16.0-46 linux-headers-3.16.0-46-generic
linux-headers-3.16.0-48 linux-headers-3.16.0-48-generic
linux-image-3.16.0-46-generic linux-image-3.16.0-48-generic
linux-image-extra-3.16.0-46-generic linux-image-extra-3.16.0-48-generic
linux-signed-image-3.16.0-46-generic linux-signed-image-3.16.0-48-generic
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
linux-image-3.16.0-50-generic
Suggested packages:
fdutils linux-lts-utopic-tools
The following packages will be upgraded:
linux-image-3.16.0-50-generic
1 to upgrade, 0 to newly install, 0 to remove and 1 not to upgrade.
6 not fully installed or removed.
Need to get 0 B/16.2 MB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 295023 files and directories currently installed.)
Preparing to unpack .../linux-image-3.16.0-50-generic_3.16.0-50.67~14.04.1_amd64.deb ...
Done.
Unpacking linux-image-3.16.0-50-generic (3.16.0-50.67~14.04.1) over (3.16.0-50.66~14.04.1) ...
dpkg: error processing archive /var/cache/apt/archives/linux-image-3.16.0-50-generic_3.16.0-50.67~14.04.1_amd64.deb (--unpack):
cannot copy extracted data for './boot/vmlinuz-3.16.0-50-generic' to '/boot/vmlinuz-3.16.0-50-generic.dpkg-new': failed to write (No space left on device)
No apport report written because the error message indicates a disk full error
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.16.0-50-generic /boot/vmlinuz-3.16.0-50-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.16.0-50-generic /boot/vmlinuz-3.16.0-50-generic
Errors were encountered while processing:
/var/cache/apt/archives/linux-image-3.16.0-50-generic_3.16.0-50.67~14.04.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
bubble@fishtank:~$ uname -r
3.16.0-50-generic