$ df -h
      Filesystem      Size  Used Avail Use% Mounted on
      udev            240M   12K  240M   1% /dev
      tmpfs            49M  432K   49M   1% /run
      /dev/vda1       4.9G  4.3G  378M  93% /
      none            4.0K     0  4.0K   0% /sys/fs/cgroup
      none            5.0M     0  5.0M   0% /run/lock
      none            245M   40K  245M   1% /run/shm
      none            100M     0  100M   0% /run/user
      /dev/vdb        976M  1.3M  924M   1% /mnt
      $ uname -a
      Linux automate 3.13.0-117-generic #164-Ubuntu SMP Fri Apr 7 11:05:26 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
      $ cat /etc/lsb-release
      DISTRIB_ID=Ubuntu
      DISTRIB_RELEASE=14.04
      DISTRIB_CODENAME=trusty
      DISTRIB_DESCRIPTION="Ubuntu 14.04.5 LTS"