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alice-xu/get_system_uuid.sh

Created July 1, 2014 04:01
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Get system uuid on Virtual Machine
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get_system_uuid.sh
#!/usr/bin/env bash
SYSTEM_UUID=$( cat /sys/devices/virtual/dmi/id/product_uuid 2> /dev/null | tr 'A-Z' 'a-z' \
|| cat /sys/hypervisor/uuid 2> /dev/null | tr 'A-Z' 'a-z' )
[ -z "${SYSTEM_UUID}" ] && SYSTEM_UUID='00000000-0000-0000-0000-000000000000'
echo ${SYSTEM_UUID}
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