Filesystem Type Size Used Avail Use% Mounted on dev devtmpfs 1.5G 0 1.5G 0% /dev run tmpfs 1.5G 876K 1.5G 1% /run /dev/sdf7 btrfs 10G 3.3G 6.5G 34% /ro overlay overlay 1.5G 1.6M 1.5G 1% / tmpfs tmpfs 1.5G 0 1.5G 0% /dev/shm tmpfs tmpfs 1.5G 4.4M 1.5G 1% /tmp tmpfs tmpfs 1.0M 0 1.0M 0% /run/credentials/systemd-journald.service tmpfs tmpfs 1.0M 0 1.0M 0% /run/credentials/systemd-resolved.service tmpfs tmpfs 1.5G 8.0M 1.5G 1% /var/log/journal tmpfs tmpfs 1.5G 0 1.5G 0% /var/tmp tmpfs tmpfs 1.0M 0 1.0M 0% /run/credentials/systemd-networkd.service /dev/sdf8 btrfs 256M 6.2M 127M 5% /persist tmpfs tmpfs 1.0M 0 1.0M 0% /run/credentials/getty@tty1.service tmpfs tmpfs 297M 8.0K 297M 1% /run/user/0