Filesystem Type Size Used Avail Use% Mounted on dev devtmpfs 16G 0 16G 0% /dev run tmpfs 16G 1.5M 16G 1% /run /dev/sda1 ext4 880G 297G 538G 36% / tmpfs tmpfs 16G 122M 16G 1% /dev/shm tmpfs tmpfs 16G 70M 16G 1% /tmp tmpfs tmpfs 3.2G 72K 3.2G 1% /run/user/XXXX overlay overlay 880G 297G 538G 36% /var/lib/docker/overlay2/HASH_742-882C-383B-BD75-16E71ACCD156/merged