Удаление старых ядер
dpkg -l linux-image-* | grep ii | grep -v [a-z]-generic | grep -v `uname -r` | awk '{ print $2 }' | xargs apt-get -y purge
dpkg -l linux-image-* | grep ii | grep -v [a-z]-generic | grep -v `uname -r` | awk '{ print $2 }' | xargs apt-get -y purge