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Manage OS updates

Manage OS updates: Cert Prep: Red Hat Certified System Administrator (EX200)
Manage OS updates: Cert Prep: Red Hat Certified System Administrator (EX200)

You can check for software updates using the yum check-update subcommand. Using the yum update command you can easily update all of our system software. Also using the yum update command you can update single packages. You can also version lock certain programs using the yum versionlock plugin. Using the yum changelog plugin you can view the changes made to any application in the system.

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