connection i2p

[Icaunaisrien]

je suis sous ubuntu 9.10 et je n'arrive pas à lancer i2p j'ai comme message
hd at Acer:~/i2p$ ls
blocklist.txt   hosts.txt             launch-i2psnark  scripts
clients.config  i2prouter             lib              systray.config
docs            i2psnark.config       licenses         Uninstaller
eepget          i2psvc                LICENSE.txt      webapps
eepsite         i2ptunnel.config      osid             wrapper.config
geoip           INSTALL-headless.txt  postinstall.sh
history.txt     jetty-i2psnark.xml    runplain.sh
hd at Acer:~/i2p$ *i2prouter start
i2prouter: command not found

qui a la solution?