How to mount cifs share
apt-get install cifs-utils
/sbin/mount.cifs //192.168.0.8/Backup /mnt/Backup/ -o user=<USER>,password=<PASSWORD>
/sbin/mount.cifs //192.168.0.8/Backup /mnt/Backup/ -o user=<USER>,password=<PASSWORD>,vers=1.0
If there are issues that cifs protocol is not supported:
modprobe cifs