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From time to time, Red Hat issues updated packages that correct functional or security-related problems with released packages. You can use Red Hat Network to obtain and install updated packages. However, if you prefer, you can download updated packages via FTP and install them using the rpm command. Red Hat makes updated packages available on the public FTP servers ftp.redhat.com and updates.redhat.com.
To install an updated package, use the -F flag, which stands for freshen. For instance, to install an updated version of the gnupg package, issue the command: