thanks for the help..

I placed the deb file on the root directory of the N900

I entered the code you gave me, and I got the error:

'dpkg: error processing live-f1_0.2.10-1maemo1_armel.deb (--install):
cannot access archive: no such file or directory
Errors were encountered while processing:
live-f1_0.2.10-1maemo1_armel.deb'