$ ls /etc/apt/sources.list.d/ leap.list
$ cat /etc/apt/sources.list deb https://deb.torproject.org/torproject.org xenial main # deb-src https://deb.torproject.org/torproject.org xenial main deb https://archive.trisquel.info/trisquel/ etiona main # deb-src https://archive.trisquel.info/trisquel/ etiona main deb https://archive.trisquel.info/trisquel/ etiona-security main # deb-src https://archive.trisquel.info/trisquel/ etiona-security main deb https://archive.trisquel.info/trisquel/ etiona-updates main # deb-src https://archive.trisquel.info/trisquel/ etiona-updates main deb https://archive.trisquel.info/trisquel/ etiona-backports main # deb-src https://archive.trisquel.info/trisquel/ etiona-backports main