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cat /dev/urandom | tr -dc 'a-fA-F0-9' | fold -w 8 | head -n 1

cat /dev/urandom | tr -dc 'a-fA-F0-9' | fold -w 8 | head -n 1

This will generate a hex numberan 8 digits long hexadecimal number.

cat /dev/urandom | tr -dc 'a-fA-F0-9' | fold -w 8 | head -n 1

This will generate a hex number 8 digits long.

cat /dev/urandom | tr -dc 'a-fA-F0-9' | fold -w 8 | head -n 1

This will generate an 8 digits long hexadecimal number.

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answered Feb 10, 2016 at 11:41

cat /dev/urandom | tr -dc 'a-fA-F0-9' | fold -w 8 | head -n 1

This will generate a hex number 8 digits long.