hien-v@vps2:~$ sudo df -h
Filesystem                Size  Used Avail Use% Mounted on
udev                      8.9G     0  8.9G   0% /dev
tmpfs                     1.8G  185M  1.6G  11% /run
/dev/mapper/lvm-lv--root   39G   36G  997M  98% /
tmpfs                     8.9G     0  8.9G   0% /dev/shm
tmpfs                     5.0M     0  5.0M   0% /run/lock
tmpfs                     8.9G     0  8.9G   0% /sys/fs/cgroup
/dev/vda1                 180M  172M     0 100% /boot
tmpfs                     100K     0  100K   0% /run/lxcfs/controllers
tmpfs                     1.8G     0  1.8G   0% /run/user/1002
tmpfs                     1.8G     0  1.8G   0% /run/user/1000