DVD's UBUNTU

You will need to install things that are not there by default.

sudo apt install libdvdcss2 libdvdread4 libdvdnav4 ubuntu-restricted-extras

sudo apt install libdvd-pkg

you need to configure the package using dpkg so that it installs the required dependencies.

sudo dpkg-reconfigure libdvd-pkg

This will configure libdvdcss2

you’ll be asked whether you want automatic updates for libdvdcss2 say yes with enter on keyboard

Brasero and VLC is also useful

sudo apt-get install brasero

sudo apt-get install vlc

sudo apt-get install exfat-fuse exfat-utils

Setting the region on the drive may also be necessary

sudo apt-get install regionset