Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
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Date: Sun, 20 May 2018 19:26:09 +0200
From: Solar Designer <>
Subject: Re: Unable to crack the password of a test rar file.

On Sun, May 20, 2018 at 06:15:39PM +0100, Eric Watson wrote:
> I tried JtR on a 4 core pi and notice that it is using 25% of the processor.

On your 4-core, you need to use OpenMP (don't disable it) or "--fork=4".

> For the make I used "make -sj4", expecting it to use use 4 cores.

This only tells it to run 4 processes (usually 4 instances of the C
compiler) during build.


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