How do I boot using an alternate / previous / older kernel?

Solution Verified - Updated -

Issue

  • I installed a new kernel with yum and am now experiencing issues, how can I boot into an alternate / previous / older kernel?

Environment

  • Red Hat Enterprise Linux 9 Beta
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5

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