Filesystem                   Size  Used Avail Use% Mounted on
udev                         3.9G     0  3.9G   0% /dev
tmpfs                        787M  9.7M  777M   2% /run
/dev/mapper/ubuntu--vg-root  451G   41G  388G  10% /
tmpfs                        3.9G  616K  3.9G   1% /dev/shm
tmpfs                        5.0M  4.0K  5.0M   1% /run/lock
tmpfs                        3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/sda1                    236M  139M   85M  63% /boot
tmpfs                        787M   16K  787M   1% /run/user/1001
tmpfs                        787M     0  787M   0% /run/user/1000