Where profiles/custom-file is a file in your custom simple-cdd
directory.
For example: I have an modified sources.list. So this file have to be in
/etc/apt/ on the new installed system. How to tell simple-cdd that this
file have to be there? Do i have to create an equivalent file-structure
in the $simple_cdd_dir/profiles/, thus for the sources.list the lines
above must be change to