Date: Fri, 09 Aug 2002 12:27:57 -0400 From: James Housley <jim@thehousleys.net> To: Dan Langille <dan@langille.org> Cc: hackers@freebsd.org Subject: Re: serial console com1 to com1 == login race condition? Message-ID: <3D53ED8D.1020104@Thehousleys.net> References: <3D53B3E5.5384.276CA6F0@localhost>
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Dan Langille wrote: > I have two remote boxes. My colocation hosts have strung a crossover > serial cable from com1 to com1 on these boxes. The idea is that if I > paint myself into a corner on one box, I can get access to it from > the other box via the serial cable. > > But... > > I will need to set up serial consoles on each box in advance of a > problem arising. But won't I get a race condition with each box > thinking the other is trying to login? > > [1] - my apologies to those with whom I have already discussed this > issue. One option is com1 to com2 . It takes 2 cable, but if ttyd1 (com2) doesn't have getty running then the race won't exist. Jim -- /"\ ASCII Ribbon Campaign . \ / - NO HTML/RTF in e-mail . X - NO Word docs in e-mail . / \ ----------------------------------------------------------------- jeh@FreeBSD.org http://www.FreeBSD.org The Power to Serve jim@TheHousleys.Net http://www.TheHousleys.net jhousley@SimTel.Net http://www.SimTel.Net --------------------------------------------------------------------- A Microsoft Certified Systems Engineer is to computing what a McDonalds Certified Food Specialist is to fine cuisine. -- Jack O'Neill To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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