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Create random password using /dev/urandom

Tutorial Information
Name: Create random password using /dev/urandom
Submitter: NickTheGreek
Category: IPS Tutorials
Submitted: 13 Nov 2014
Updated: 13 Nov 2014
Views: 186
Rating: This tutorial is unrated.
Create random password using /dev/urandom
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Description:
In many situation administrators are affronted to generate passwords, however itĘs more secure to keep in eyes random password even that ordinary one.
Tutorial Instructions
In many situation administrators are affronted to generate passwords, however itĘs more secure to keep in eyes random password even that ordinarie one.
Well, for such use letĘs keep it simple and letĘs define some files:

/dev/random: is a special file that serves as a true random number generator or as a pseudorandom number generator.
/dev/urandom: (“unlocked” random source) which reuses the internal pool to produce more pseudo-random bits.

If your system does not have /dev/random and /dev/urandom created already, they can be created with the following commands:

CODE
$ mknod -m 644 /dev/random c 1 8
$ mknod -m 644 /dev/urandom c 1 9
$ chown root:root /dev/random /dev/urandom



CODE
$ tr -cd a-zA-Z0-9 < /dev/urandom | head -c 12; echo ""

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