To install an additional package automatically when starting Tails:
123
Write your additional `sources.list` files in the <span class="filename">apt-sources.list.d</span> folder.For example, to add the `non-free` sections of Debian 101 (Busterllseye), backports, and security updates, you can create a file named<span class="filename"> */live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list</span>* with the following content:
For example, to add the `non-free` sections of Debian 11 (Bullseye), backports, and security updates, you can create a file named */live/persistence/TailsData_unlocked/apt-sources.list.d/non-free.list* with the following content: