Filesystem                  1K-blocks     Used Available Use% Mounted on
udev                          4008792        0   4008792   0% /dev
tmpfs                          806896     9396    797500   2% /run
/dev/mapper/ubuntu--vg-root 952653740 27189356 877049256   4% /
tmpfs                         4034480        8   4034472   1% /dev/shm
tmpfs                            5120        4      5116   1% /run/lock
tmpfs                         4034480        0   4034480   0% /sys/fs/cgroup
/dev/sda1                      482922   309717    148271  68% /boot
tmpfs                          806896        8    806888   1% /run/user/1000