sudo mkdir -p  /media/netdir/source/raspberrypi/4-03_readynas
pi@raspberry48:~ $ cd ~/rpi_mnt
-bash: cd: /home/pi/rpi_mnt: No such file or directory
pi@raspberry48:~ $ sudo chroot . bin/bash
chroot: failed to run command ¡®bin/bash¡¯: No such file or directory
pi@raspberry48:~ $ logout