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.