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README_Umount.md

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README_Umount.md

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This script unmounts, and optionally wipes, the chroot-dev target-disk

./Umount.sh --help
Usage: ./Umount.sh [GNU long option] [option] ...
  Options:
        -c  Where chroot-dev is set up (default: "/mnt/ec2-root")
        -C  Device to clean
        -h  Print this message
  GNU long options:
        --chroot            See "-c" short-option
        --clean             See "-C" short-option
        --help              See "-h" short-option

Each of the functionality flag-options may also be specified by using environment variables:

  • CHROOT: Stands in for the -c/--chroot flag-option. Specify only if previously-executed scripts specified a different location for the mounted chroot environment
  • TARGDISK: Stands in for the -C/--clean flag-option. Specify only if wishing to wipe the chroot-dev target-disk

Further, additional output/logging can be generated by setting the DEBUG environment variable to "true". Doing so causes information that is normally only directed to syslog to also be printed to STDOUT.

Notes:

1If invoking scripts interactively, the DEBUG value is automatically set to true.