all went well with the instructions
until I ran sudo mount -a
ubuntu@ubuntu:/$ sudo mount -a
Mount is denied because the NTFS volume is already exclusively opened.
The volume may be already mounted, or another software may use it which
could be identified for example by the help of the 'fuser' command.
ubuntu@ubuntu:/$ fuser -m /dev/sda1
ubuntu@ubuntu:/$ sudo mount -a
Mount is denied because the NTFS volume is already exclusively opened.
The volume may be already mounted, or another software may use it which
could be identified for example by the help of the 'fuser' command.
ubuntu@ubuntu:/$ lsblk -d -fs /dev/sda1
NAME FSTYPE LABEL UUID FSAVAIL FSUSE% MOUNTPOINT
sda1 ntfs Elements 1656B6AF56B68F4D 1.8T 0% /media/ubuntu/Elements
└─sda