From my eBox 1.0-1 new install with one change.
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# 2009 05 17 commented out the CD-rom lines so that updates go to the standard sources.
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# deb cdrom:[Ubuntu-Server 8.04.2 _Hardy Heron_ - Release i386 (20090121.1)]/ hardy extras main restricted
# deb cdrom:[Ubuntu-Server 8.04.2 _Hardy Heron_ - Release i386 (20090121.1)]/pool/extras/ /
#deb cdrom:[Ubuntu-Server 8.04.2 _Hardy Heron_ - Release i386 (20090121.1)]/ hardy extras main restricted
#deb cdrom:[Ubuntu-Server 8.04.2 _Hardy Heron_ - Release i386 (20090121.1)]/pool/extras/ /
deb http://ppa.launchpad.net/ebox/ppa/ubuntu hardy main
deb http://security.ubuntu.com/ubuntu hardy-security main restricted
deb-src http://security.ubuntu.com/ubuntu hardy-security main restricted
deb http://security.ubuntu.com/ubuntu hardy-security universe
deb-src http://security.ubuntu.com/ubuntu hardy-security universe
deb http://security.ubuntu.com/ubuntu hardy-security multiverse
deb-src http://security.ubuntu.com/ubuntu hardy-security multiverse
-jeff