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Downgrade A Package: Different Ways In Red Hat Enterprise Linux
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Method 1: Using "rpm -Uvh --oldpackage <CompletePackageName.rpm>" Command
Method 2: Using "yum downgrade <PackageName>" Command.
Method 3: Using "yum history undo/rollback" in RHEL 6 & later.
Method 4: Manually un-install and install the required package (not a preferred way).
