Filesystem                   Size  Used Avail Use% Mounted on
/dev/mapper/ubuntu--vg-root  909G  266G  597G  31% /
none                         4.0K     0  4.0K   0% /sys/fs/cgroup
udev                         3.9G  8.0K  3.9G   1% /dev
tmpfs                        787M  1.6M  785M   1% /run
none                         5.0M     0  5.0M   0% /run/lock
none                         3.9G  1.2M  3.9G   1% /run/shm
none                         100M   24K  100M   1% /run/user
/dev/sda2                    237M  220M  5.1M  98% /boot
/dev/sda1                    511M  3.4M  508M   1% /boot/efi