#needed Packages:
aptitude install libupnp3 gnupg-agent libqt4-dev g++ libgpgme11-dev libgpg-error-dev libupnp-dev libssl-dev libgnome-keyring-dev libxss-dev subversion

#Get RetroShare
svn co https://retroshare.svn.sourceforge.net/svnroot/retroshare/trunk/ retroshare
#or
wget http://sourceforge.net/projects/retroshare/files/RetroShare/0.5.3b/RetroShare-v0.5.3b.tar.gz/download

#Build
cd $RetroSharePath/libbitdht/src
qmake
make
cd ../../libretroshare/src
qmake
make
cd ../../retroshare-gui/src
qmake
make

#Run retroShare
$RetroSharePath/retroshare-gui/src/RetroShare