etc-apt-sources.list

    # deb cdrom:[Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)]/ saucy main restricted

    # R
    # deb http://ftp.uni-mainz.de/ubuntu/ trusty main

    # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
    # newer versions of the distribution.
    deb ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty main restricted
    deb-src ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty main restricted

    ## Major bug fix updates produced after the final release of the
    ## distribution.
    deb ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-updates main restricted
    deb-src ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-updates main restricted

    ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    ## team. Also, please note that software in universe WILL NOT receive any
    ## review or updates from the Ubuntu security team.
    deb ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty universe
    deb-src ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty universe
    deb ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-updates universe
    deb-src ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-updates universe

    ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    ## team, and may not be under a free licence. Please satisfy yourself as to
    ## your rights to use the software. Also, please note that software in
    ## multiverse WILL NOT receive any review or updates from the Ubuntu
    ## security team.
    deb ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty multiverse
    deb-src ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty multiverse
    deb ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-updates multiverse
    deb-src ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-updates multiverse

    ## N.B. software from this repository may not have been tested as
    ## extensively as that contained in the main release, although it includes
    ## newer versions of some applications which may provide useful features.
    ## Also, please note that software in backports WILL NOT receive any review
    ## or updates from the Ubuntu security team.
    deb ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-backports main restricted universe multiverse
    deb-src ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-backports main restricted universe multiverse

    deb ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-security main restricted
    deb-src ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-security main restricted
    deb ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-security universe
    deb-src ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-security universe
    deb ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-security multiverse
    deb-src ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-security multiverse

    ## Uncomment the following two lines to add software from Canonical's
    ## 'partner' repository.
    ## This software is not part of Ubuntu, but is offered by Canonical and the
    ## respective vendors as a service to Ubuntu users.
    deb http://archive.canonical.com/ubuntu saucy partner
    # deb-src http://archive.canonical.com/ubuntu saucy partner

    deb http://ftp5.gwdg.de/pub/misc/cran/bin/linux/ubuntu/ trusty/


    deb ftp://ftp.fu-berlin.de/linux/ubuntu/ trusty-proposed multiverse universe main restricted