1. Overview

Yet another utility to keep your RPMs up-to-date. This one features three modes:

all

Grabs all updates from the RedHat FTP site (or mirror); automatically gets best RPM with regard to architecture should more than one be available (e.g., kernel-related modules are available as i386,...,i686); suitable for maintaining a local machine-optimised mirror (e.g. for updating a cluster).

manual

As for previous mode but user confirmation is required for each download --- good for slow links.

auto

In this case, potential downloads are compared to already-installed RPMs --- if the update to be downloaded does not correspond to an already-installed package, the update is not downloaded.

checkdeps

Recursively checks all downloads for dependencies on other RPMs and if necessary downloads those too --- not implemented quite right yet.

listonly

Does not download anything --- merely lists what's needed.