After {{{sudo apt-get dist-upgrade}}} my {{{cat /etc/issue}}} looks like {{{Ubuntu 14.04.5 LTS \n \l}}} and furthermore {{{apt-cache policy}}} tells me {{{~$ apt-cache policy Paketdateien: 100 /var/lib/dpkg/status release a=now 500 http://security.ubuntu.com/ubuntu/ trusty-security/universe Translation-en 500 http://security.ubuntu.com/ubuntu/ trusty-security/restricted Translation-en 500 http://security.ubuntu.com/ubuntu/ trusty-security/multiverse Translation-en 500 http://security.ubuntu.com/ubuntu/ trusty-security/main Translation-en 500 http://security.ubuntu.com/ubuntu/ trusty-security/multiverse i386 Packages release v=14.04,o=Ubuntu,a=trusty-security,n=trusty,l=Ubuntu,c=multiverse origin security.ubuntu.com 500 http://security.ubuntu.com/ubuntu/ trusty-security/universe i386 Packages release v=14.04,o=Ubuntu,a=trusty-security,n=trusty,l=Ubuntu,c=universe origin security.ubuntu.com 500 http://security.ubuntu.com/ubuntu/ trusty-security/restricted i386 Packages release v=14.04,o=Ubuntu,a=trusty-security,n=trusty,l=Ubuntu,c=restricted origin security.ubuntu.com 500 http://security.ubuntu.com/ubuntu/ trusty-security/main i386 Packages release v=14.04,o=Ubuntu,a=trusty-security,n=trusty,l=Ubuntu,c=main origin security.ubuntu.com 500 http://de.archive.ubuntu.com/ubuntu/ trusty-backports/universe Translation-en 500 http://de.archive.ubuntu.com/ubuntu/ trusty-backports/restricted Translation-en 500 http://de.archive.ubuntu.com/ubuntu/ trusty-backports/multiverse Translation-en 500 http://de.archive.ubuntu.com/ubuntu/ trusty-backports/main Translation-en 100 http://de.archive.ubuntu.com/ubuntu/ trusty-backports/multiverse i386 Packages release v=14.04,o=Ubuntu,a=trusty-backports,n=trusty,l=Ubuntu,c=multiverse origin de.archive.ubuntu.com 100 http://de.archive.ubuntu.com/ubuntu/ trusty-backports/universe i386 Packages release v=14.04,o=Ubuntu,a=trusty-backports,n=trusty,l=Ubuntu,c=universe origin de.archive.ubuntu.com 100 http://de.archive.ubuntu.com/ubuntu/ trusty-backports/restricted i386 Packages release v=14.04,o=Ubuntu,a=trusty-backports,n=trusty,l=Ubuntu,c=restricted origin de.archive.ubuntu.com 100 http://de.archive.ubuntu.com/ubuntu/ trusty-backports/main i386 Packages release v=14.04,o=Ubuntu,a=trusty-backports,n=trusty,l=Ubuntu,c=main origin de.archive.ubuntu.com 500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/universe Translation-en 500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/restricted Translation-en 500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/multiverse Translation-en 500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/main Translation-en 500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/multiverse i386 Packages release v=14.04,o=Ubuntu,a=trusty-updates,n=trusty,l=Ubuntu,c=multiverse origin de.archive.ubuntu.com 500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/universe i386 Packages release v=14.04,o=Ubuntu,a=trusty-updates,n=trusty,l=Ubuntu,c=universe origin de.archive.ubuntu.com 500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/restricted i386 Packages release v=14.04,o=Ubuntu,a=trusty-updates,n=trusty,l=Ubuntu,c=restricted origin de.archive.ubuntu.com 500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/main i386 Packages release v=14.04,o=Ubuntu,a=trusty-updates,n=trusty,l=Ubuntu,c=main origin de.archive.ubuntu.com 500 http://de.archive.ubuntu.com/ubuntu/ trusty/universe Translation-en 500 http://de.archive.ubuntu.com/ubuntu/ trusty/universe Translation-de 500 http://de.archive.ubuntu.com/ubuntu/ trusty/restricted Translation-en 500 http://de.archive.ubuntu.com/ubuntu/ trusty/restricted Translation-de 500 http://de.archive.ubuntu.com/ubuntu/ trusty/multiverse Translation-en 500 http://de.archive.ubuntu.com/ubuntu/ trusty/multiverse Translation-de 500 http://de.archive.ubuntu.com/ubuntu/ trusty/main Translation-en 500 http://de.archive.ubuntu.com/ubuntu/ trusty/main Translation-de 500 http://de.archive.ubuntu.com/ubuntu/ trusty/multiverse i386 Packages release v=14.04,o=Ubuntu,a=trusty,n=trusty,l=Ubuntu,c=multiverse origin de.archive.ubuntu.com 500 http://de.archive.ubuntu.com/ubuntu/ trusty/universe i386 Packages release v=14.04,o=Ubuntu,a=trusty,n=trusty,l=Ubuntu,c=universe origin de.archive.ubuntu.com 500 http://de.archive.ubuntu.com/ubuntu/ trusty/restricted i386 Packages release v=14.04,o=Ubuntu,a=trusty,n=trusty,l=Ubuntu,c=restricted origin de.archive.ubuntu.com 500 http://de.archive.ubuntu.com/ubuntu/ trusty/main i386 Packages release v=14.04,o=Ubuntu,a=trusty,n=trusty,l=Ubuntu,c=main origin de.archive.ubuntu.com Mit Pinning verwaltete Pakete:}}} which means the source lists of elementary os got substituted on distro-upgrade... can i get the sourcelist of elementary os back?