[pgrouting-users] Unable to Locate Package when installing pgrouting from Ubuntu 13.04

[Muhammad Iqnaul Haq]

hi all

I'm a new user of linux, I try to install pgrouting from
https://launchpad.net/~georepublic/+archive/pgrouting-unstable<https://launchpad.net/%7Egeorepublic/+archive/pgrouting-unstable>using
my terminal. There are no problem when I installed the osm2pgrouting
and cmake package, but when I try to install the pgrouting package the
message always same "Unable to Locate Package". I already checked my *
sources.list* and make sure that line

deb http://ppa.launchpad.net/georepublic/pgrouting-unstable/ubuntu
raring main  is checked.

Is there anything wrong with my Ubuntu? I'm using Ubuntu 13.04 amd64

best regards
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