Ok, finaly I made it to copy my sources.list here from LMCE 8.10
deb file:/usr/pluto/deb-cache/ ./
deb
http://debian.slimdevices.com/ stable main
deb
http://deb.linuxmce.org/ubuntu/ intrepid beta2
deb
http://old-releases.ubuntu.com/ubuntu/ intrepid main restricted universe multiverse
deb
http://old-releases.ubuntu.com/ubuntu/ intrepid-security main restricted multiverse universe
deb
http://old-releases.ubuntu.com/ubuntu/ intrepid-updates main restricted multiverse universe
deb
http://packages.medibuntu.org/ intrepid free non-free
deb-src
http://old-releases.ubuntu.com/ubuntu/ intrepid main restricted multiverse universe
deb-src
http://old-releases.ubuntu.com/ubuntu/ intrepid-security main restricted multiverse universe
deb-src
http://old-releases.ubuntu.com/ubuntu/ intrepid-updates main restricted multiverse universe
deb
http://archive.ubuntu.com/ubuntu/ intrepid main universe multiverse
deb
http://archive.ubuntu.com/ubuntu/ replacements_debian main
deb
http://archive.ubuntu.com/ubuntu/ main main non-free contrib
deb
http://deb.linuxmce.org/ubuntu/ 20dev_ubuntu main
Is this the correct and reliable one?
Thank you and best regards
Roman