Utilizing a systemd debug shell to generate an sosreport when a system hangs at boot

Solution Verified - Updated -

Issue

  • If a system hangs at boot the systemd debug shell can be used to drop to a shell early in the boot process. This can allow you to get onto the system in order to generate an sosreport to attach to your support case.

Environment

  • Red Hat Enterprise Linux (RHEL) 7, 8, 9

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