From owner-freebsd-questions@FreeBSD.ORG Tue Aug 30 18:40:37 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0A4E81065676 for ; Tue, 30 Aug 2011 18:40:37 +0000 (UTC) (envelope-from merlyn@stonehenge.com) Received: from mail.mroute.net (lax-gw12.mailroute.net [199.89.0.112]) by mx1.freebsd.org (Postfix) with ESMTP id E23FE8FC15 for ; Tue, 30 Aug 2011 18:40:35 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by lax-gw12.mroute.net (Postfix) with ESMTP id A803D32706BC; Tue, 30 Aug 2011 18:40:35 +0000 (UTC) X-Virus-Scanned: by MailRoute Received: from red.stonehenge.com (red.stonehenge.com [208.79.95.2]) by lax-gw12.mroute.net (Postfix) with ESMTP id 3F11E32706A8; Tue, 30 Aug 2011 18:40:35 +0000 (UTC) Received: by red.stonehenge.com (Postfix, from userid 1001) id 3D4A72E8E; Tue, 30 Aug 2011 11:40:34 -0700 (PDT) From: merlyn@stonehenge.com (Randal L. Schwartz) To: Michael Sierchio References: <4E5D28E0.5050700@gmail.com> x-mayan-date: Long count = 12.19.18.12.1; tzolkin = 6 Imix; haab = 9 Mol Date: Tue, 30 Aug 2011 11:40:34 -0700 In-Reply-To: (Michael Sierchio's message of "Tue, 30 Aug 2011 11:34:39 -0700") Message-ID: <86mxeqoi8t.fsf@red.stonehenge.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Michael , "freebsd-questions@freebsd.org" Subject: Re: random generated password X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Aug 2011 18:40:37 -0000 >>>>> "Michael" == Michael Sierchio writes: Michael> dd if=/dev/random count=1 | tr -c "[:alnum:]" Michael> '0-9A-Za-z0-9A-Za-z0-9A-Za-a-z0-9A-Za-z' Michael> will give you the right kind of characters to use, for example. I prefer "openssl rand -base64 6" to get an 8-char password from a fairly large set of sensible characters. Each multiple of 3 results in 4 characters in the output. -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc. See http://methodsandmessages.posterous.com/ for Smalltalk discussion