How to examine or extract the contents of an initramfs or initrd file?

Solution Verified - Updated -

Issue

  • How to check if the correct modules are included in an initramfs
  • How to list the files in an initramfs
  • How to check modules are being loaded with correct options in the initramfs or not
  • How to extract initramfs to check that?

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

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