apt-get dist-upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following NEW packages will be installed:
  linux-firmware linux-headers-3.13.0-46 linux-headers-3.13.0-46-generic
  linux-image-3.13.0-46-generic linux-image-extra-3.13.0-46-generic
  linux-signed-image-3.13.0-46-generic
The following packages will be upgraded:
  linux-headers-generic linux-signed-generic linux-signed-image-generic
3 upgraded, 6 newly installed, 0 to remove and 0 not upgraded.
Need to get 81.4 MB of archives.
After this operation, 337 MB of additional disk space will be used.
Do you want to continue? [Y/n] n