- Upgraded Red Hat Enterprise Linux from version 5.4 to 5.5 using installation media (DVD) and rebooted the system. There were lots of libraries missing, some services failed to run. Tried to upgrade again, but system could not be upgraded because it was recognized with version 5.5. How to downgrade to version 5.4 and re-run the upgrade to 5.5? Or How to force it upgrades system to version 5.5 even though the system already recognized as version 5.5, but incomplete?
- Red Hat Enterprise Linux 5.5
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