Error: command ['df'] failed with exit code 1: Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 15377820 3882848 10713816 27% / udev 1026288 288 1026000 1% /dev none 1026288 864 1025424 1% /dev/shm none 1026288 92 1026196 1% /var/run none 1026288 0 1026288 0% /var/lock none 1026288 0 1026288 0% /lib/init/rw /dev/sda3 136535336 74062176 55537500 58% /home df: `/root/.gvfs': Permission denied