df.sh

docker@default:~$ df -h
Filesystem                Size      Used Available Use% Mounted on
tmpfs                     1.8G    129.4M      1.6G   7% /
tmpfs                  1001.3M    144.0K   1001.1M   0% /dev/shm
/dev/sda1                18.2G    976.7M     16.3G   6% /mnt/sda1
cgroup                 1001.3M         0   1001.3M   0% /sys/fs/cgroup
Users                   111.9G     82.9G     29.0G  74% /Users
/dev/sda1                18.2G    976.7M     16.3G   6% /mnt/sda1/var/lib/docker/aufs
none                     18.2G    976.7M     16.3G   6% /mnt/sda1/var/lib/docker/aufs/mnt/154112d0344b7b4dea525b20dd882e1aeb66c0933911ca7e9bee2fa3c3a1f61a
df: /mnt/sda1/var/lib/docker/containers/154112d0344b7b4dea525b20dd882e1aeb66c0933911ca7e9bee2fa3c3a1f61a/shm: Permission denied