Generating UUID

Apr 4, 2018

·

1 min read

#uuid #python #kernel #sh

Various ways of generating UUID

There are ways of creating UUID.

From kernel

Directly from kernel

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UUID=$(cat /proc/sys/kernel/random/uuid)

From Python

Creating version 4 UUID. (Change 4 to 1 if you want version 1)

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UUID=$(python  -c 'import uuid; print uuid.uuid4()')

From Random numbers

From random numbers.

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UUID=$(od -x /dev/urandom | head -1 | awk '{OFS="-"; print $2$3,$4,$5,$6,$7$8$9}')