A set of (Perl) scripts that allows you to optimize backups to S3 by packing files/dirs into a minimal set of archives that are likely to remain stable between backups, even if the underlying files change, thus minimizing the number S3 items.
UPMS is based on BSD ports system, it can be used on any FSH 2.x Linux compatible distribution. UPMS have two level of dependencies checking, required and suggested. This two levels makes UPMS to tune all of the packages to optimal or minimal, depend on