Ubuntu Xrdp polkit policy error when mounting external USB storage
SOLUTION You need to mount USB storage using PMOUNT via the terminal. First, install PMOUNT sudo apt-get install PMOUNT Then mount the storage device: pmount /dev/sda1 (replace sda1 with drive label) You can find the drive label from the Disks utility; search for Disks on Ubuntu. To unmount. p u mount /dev/sda1 ( replace sda1 with drive label)