root@nas:/home/nsahoo# dpkg --get-selections | grep linux-image
linux-image-3.2.0-29-generic			deinstall
linux-image-3.2.0-31-generic			deinstall
linux-image-3.2.0-32-generic			deinstall
linux-image-3.2.0-33-generic			deinstall
linux-image-3.2.0-34-generic			deinstall
linux-image-3.2.0-35-generic			deinstall
linux-image-3.2.0-36-generic			install
linux-image-3.2.0-37-generic			install
linux-image-3.2.0-38-generic			install
linux-image-3.2.0-39-generic			install
linux-image-3.2.0-40-generic			install
linux-image-3.2.0-43-generic			install
linux-image-server				install
root@nas:/home/nsahoo# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/nas-root  583G  434G  120G  79% /
udev                  2.0G   12K  2.0G   1% /dev
tmpfs                 790M  556K  789M   1% /run
none                  5.0M     0  5.0M   0% /run/lock
none                  2.0G  4.0K  2.0G   1% /run/shm
/dev/sda1             228M  140M   76M  65% /boot