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Goals of RPM design
It will be useful to understand the RPM’s design goals so that we can understand how to use RPM.
Querying
RPM is designed so as to provide us useful querying options. We can find out easily that which package a file belong to and where the package has come from.
Verification
Verifying packages is one other good feature. If accidentally we deleted some important file of any package, we can verify it. We will be informed about the problems if found. Thereafter we can reinstall the package if required so.
Upgradability
By the use of RPM we can upgrade the required components of our system without completely reinstalling it. At the time of upgrade, configuration files are preserved so that we do not lose our customizations.
Searching RPM packages
Before we can use RPM, we should know where to get them from. Red Hat developed RPM packages can be found on the under mentioned locations:
- Red Hat Enterprise Linux CDs
- Red Hat FTP mirror site – http://www.redhat.com/download/html
- Red Hat Errata page – http://www.redhat.com/apps/support/errata
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