Filesystem      Size  Used Avail Use% Mounted on
/dev/vda1        20G  6.1G   13G  33% /
dev             243M     0  243M   0% /dev
run             250M  228K  250M   1% /run
tmpfs           250M     0  250M   0% /dev/shm
tmpfs           250M     0  250M   0% /sys/fs/cgroup
tmpfs           250M     0  250M   0% /tmp
tmpfs            50M     0   50M   0% /run/user/1000
total            21G  6.1G   14G  31% -