Installing an snapshot from another machine doesn't work as is written
in the snapshot.pm file :
=head1 SYNOPSIS
perl -MCPANPLUS -e "install file://full/path/to/Snapshot_2009_07_03_00"
=head1 CONTENTS
What KANE said and worked was :
cpanp -i file:///root/Snapshot_2009_07_03_01.pm
Thanks,
Daniel.