Filesystem Type Size Used Avail Use% Mounted on udevfs devtmpfs 5.0M 0 5.0M 0% /dev runfs tmpfs 3.6G 1.7M 3.6G 1% /run /dev/mapper/XXXXXX iso9660 2.3G 2.3G 0 100% /image /dev/loop0 squashfs 1.9G 1.9G 0 100% /.ro none tmpfs 3.6G 629M 3.0G 18% /.rw overlay overlay 3.6G 629M 3.0G 18% / tmpfs tmpfs 3.6G 0 3.6G 0% /dev/shm XXXXXXXX XXXXXXXX 128K 28K 96K 22% XXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 1.0M 0 1.0M 0% /run/credentials/systemd-journald.service tmpfs tmpfs 3.6G 4.0K 3.6G 1% /tmp tmpfs tmpfs 734M 68K 734M 1% /run/user/XXXX