Filesystem                  1K-blocks    Used Available Use% Mounted on
/dev/mapper/ubuntu--vg-root 478499744 3375700 450794624   1% /
none                                4       0         4   0% /sys/fs/cgroup
udev                           885656       4    885652   1% /dev
tmpfs                          179196    1132    178064   1% /run
none                             5120       0      5120   0% /run/lock
none                           895972     488    895484   1% /run/shm
none                           102400      88    102312   1% /run/user
/dev/sda1                      240972   37151    191380  17% /boot