Filesystem      Size  Used Avail Use% Mounted on
devtmpfs        3.7G     0  3.7G   0% /dev
tmpfs           3.8G  224K  3.8G   1% /dev/shm
tmpfs           1.5G   19M  1.5G   2% /run
/dev/vda1        40G   17G   24G  42% /
tmpfs           768M     0  768M   0% /run/user/1000
tmpfs           3.8G   76K  3.8G   1% /var/lib/ceph/osd/ceph-0
tmpfs           768M  8.0K  768M   1% /run/user/0