Remove unused kernels
sudo -i
dpkg -l linux-image-* | grep ii | grep -v [a-z]-generic | grep -v `uname -r` | awk '{ print $2 }' | xargs apt-get -y purge
update-grub
Ubuntu Faq
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sudo -i
dpkg -l linux-image-* | grep ii | grep -v [a-z]-generic | grep -v `uname -r` | awk '{ print $2 }' | xargs apt-get -y purge
update-grub
