What is a GRUB password and how can I set one in RHEL4, 5, or 6?

Solution Verified - Updated -

Issue

  • What is a GRUB password?
  • How do I set or reset a GRUB password?
  • How do I lock down GRUB to prevent people modifying the kernel boot parameters?

Environment

  • Red Hat Enterprise Linux 4, 5, 6

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