Filesystem                  1K-blocks     Used Available Use% Mounted on
/dev/mapper/ubuntu--vg-root 163986852 81586216  74047460  53% /
none                                4        0         4   0% /sys/fs/cgroup
udev                          4008132        4   4008128   1% /dev
tmpfs                          804860     1064    803796   1% /run
none                             5120        4      5116   1% /run/lock
none                          4024296    13320   4010976   1% /run/shm
none                           102400       40    102360   1% /run/user
/dev/sdb2                      241965   217799     11674  95% /boot
/dev/sdb1                      523248     3436    519812   1% /boot/efi