Can I disable a cpu without a reboot on Red Hat Enterprise Linux 4?

Solution Verified - Updated -

Issue

On Red Hat Enterprise Linux 5, we can disable a cpu on the fly according to the article How can I disable (and re-enable) CPU in SMP mode without a reboot. But on Red Hat Enterprise Linux 4, how can I do that?

Environment

  • Red Hat Enterprise Linux 4 & 5

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