Redhat: Package Manager

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Redhat Package Manager

Software management is one of the major parts of system admin. New packages need to be installed, current packages updated and new patches applied.

Redhat Provides a number of tools to determine what is currently installed on the system, manage dependencies and check for updates.

The Redhat Package Manager (RPM) was designed for these purposes. An RPM manages software as discreate packages. Each package contain the files and instructions required to install or update the software.

The RPM system when used correctly backs up the configuration files when updating packages. However it cannot help to install dependencies. This is why the yum command was created.

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