Nokia N900: Irssi shortcut to desktop

/usr/share/applications/hildon/irssi.desktop: [Desktop Entry] Encoding=UTF-8 Name=Irssi Comment=Irssi Exec=osso-xterm ‘ssh user@server -t screen -drU’ Icon= Type=Application

xterm: ssh-keygen –t

cat ~/.ssh/id_dsa.pub | ssh -l user server ‘cat >> ~/.ssh/authorized_keys’

Thanks to Nomadic about this tip.