From owner-freebsd-questions@FreeBSD.ORG Thu Mar 3 00:10:11 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 011981065670 for ; Thu, 3 Mar 2011 00:10:11 +0000 (UTC) (envelope-from nlandys@gmail.com) Received: from mail-wy0-f182.google.com (mail-wy0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id 8650F8FC16 for ; Thu, 3 Mar 2011 00:10:10 +0000 (UTC) Received: by wyb32 with SMTP id 32so685371wyb.13 for ; Wed, 02 Mar 2011 16:10:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=mANbucOj8eDeoFeTcorfH8YN/1gH/9+DmX/8Ho8ORsw=; b=fua0n1X36I+9DBVWuJmoLN/yVvMy31v5+JqCKqHopZzKj6mRx8r18vxmXif12ZqV/0 HHsfRz2RYdT88Lo87/EUGVgF78yGKLrjgdzC6F/iQfa4/O81NDNkCUxVFDHDpGWjiViS 6BfZAeYfuPCjVfBNr9iMrp5o/AcoG4159+4r4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=fAdhlmfaN0+BLb+bsyifbQI0UIEPZDY5+Xzk1JIcIb2egA9VOJaxfe7F600zhRz06b dyem19U72W3O7EhBBgREzfxUfUnGcB0cu2OWinlKKAefuirBNlyhOrNN3ymSnYzV15oZ iO72ufXdgixdod1++r/K/R50Ja0NrLPJiGMFI= MIME-Version: 1.0 Received: by 10.227.63.130 with SMTP id b2mr303704wbi.149.1299111009295; Wed, 02 Mar 2011 16:10:09 -0800 (PST) Received: by 10.227.30.97 with HTTP; Wed, 2 Mar 2011 16:10:09 -0800 (PST) In-Reply-To: References: <4D6E6B16.7010508@my.gd> Date: Wed, 2 Mar 2011 16:10:09 -0800 Message-ID: From: Nerius Landys To: Maxim Khitrov Content-Type: text/plain; charset=ISO-8859-1 Cc: David Brodbeck , freebsd-questions@freebsd.org Subject: Re: Finish upgrading remote server without physically being there? 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: Thu, 03 Mar 2011 00:10:11 -0000 > I just got a new Supermicro Atom board a few days ago (X7SPA-HF-D525). > It has a Nuvoton BMC chip that is attached to LAN1 and provides IPMI > and KVM-over-IP functionality. The chip gets its own IP address > (separate from em0 in FreeBSD) and is powered whenever the power cord > is plugged-in. > > As a result, you have some really useful functionality such as power > control (turn the server on/off remotely), access to sensors (MB & CPU > temperatures, voltages, chassis intrusion), text console, and KVM > console. > > KVM console is accessed using a Java application that has to be > installed on the client. It's pretty much identical to having a > physical monitor and keyboard attached, in that you can control the > system from the moment that it turns on, including going into BIOS. > The only glitch I found so far is that the connection freezes for a > few seconds while FreeBSD initializes em0 during boot. After that > everything is fine. That's really neat. How do you configure the LAN on that chip? For example, how do you specify the IP address, gateway, netmask, etc? Is this done in the BIOS? So you would normally have at least 2 IPs for the server - one for em0 and one for the special chip? Is this a separate ethernet jack? Also, what about being more vulnerable - I mean, it's an added way of compromising your system, right? Getting in through the KVM-over-IP?