Check mounted USBs
sudo lsusb
https://vitux.com/how-to-manually-mount-unmount-a-usb-device-on-ubuntu/
"/dev/sdc2 409640 3906766983 3906357344 1.8T Apple HFS/HFS+" apple look like this.
For MAC Formated USB Drive, make sure that you have hfsprogs installed. Example installation command:
sudo apt-get install hfsprogs
Next, mount or remount the HFS+ drive; commands need to be as follows:
sudo mount -t hfsplus -o force,rw /dev/sdc2 /media/extdrive
or
sudo mount -t hfsplus -o remount,force,rw /mount/point