How to backup and restore a whole Red Hat Enterprise Linux system with the dump/restore commands?

Solution Verified - Updated -

Issue

  • How to backup and restore a whole Red Hat Enterprise Linux system with the dump/restore commands?
  • Need to migrate, upgrade, or perform disaster recovery on the OS, how to create a backup image?
  • Is it possible to take complete back of OS+ application in RHEL like ignite or system state back up?

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • ext2, ext3 or ext4 filesystem
  • dump and restore

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