We currently maintain three repositories: for Scientific Linux 5, 6 and Debian.
= SL5 =
 * Official PL-Grid repository (recommended)
{{{
rpm -Uvh http://software.plgrid.pl/packages/repos/plgrid-repos-2010-2.noarch.rpm
}}}

 * Official !QosCosGrid repository
{{{
rpm -Uvh http://www.qoscosgrid.org/qcg-packages/sl5/x86_64/qcg-repo-stable-1.0.0-1.noarch.rpm
}}}

 * !QosCosGrid unstable repository (not recommended - mainly for developers and testers)
{{{
rpm -Uvh http://www.qoscosgrid.org/qcg-packages/sl5/x86_64/qcg-repo-unstable-1.0.0-1.noarch.rpm
}}}
= SL6 =
 * Official !QosCosGrid repository
{{{
rpm -Uvh http://www.qoscosgrid.org/qcg-packages/sl6/x86_64/qcg-repo-stable-1.0.0-1.noarch.rpm
}}}

 * !QosCosGrid unstable repository (not recommended - mainly for developers and testers)
{{{
rpm -Uvh http://www.qoscosgrid.org/qcg-packages/sl6/x86_64/qcg-repo-unstable-1.0.0-1.noarch.rpm
}}}
= Debian =
* Installing new deb source:
{{{
cat > /etc/apt/sources.list.d/qcg.unstable.list << EOF
deb http://www.qoscosgrid.org/qcg-packages/debian/ unstable main
EOF
}}}
* Installing repo key:
{{{
wget https://apps.man.poznan.pl/trac/qcg-notification/raw-attachment/wiki/InstallingUsingDeb/qcg.pub
apt-key add qcg.pub
}}}
* Refreshing packages list:
{{{
apt-get update
}}}