Checking For and Updating Packages

To see which installed packages on your system have updates available, use the following command:

yum check-update

Updating Packages

You can choose to update a single package, multiple packages, or all packages at once. If any dependencies of the package (or packages) you update have updates available themselves, then they are updated too.
Updating a Single Package

To update a single package, run the following command as root:

yum update package_name

Updating All Packages and Their Dependencies

To update all packages and their dependencies, simply enter yum update (without any arguments):

yum update

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