Date: Fri, 09 Aug 2002 12:33:20 -0400 From: "Dan Langille" <dan@langille.org> To: James Housley <jim@thehousleys.net> Cc: hackers@freebsd.org Subject: Re: serial console com1 to com1 == login race condition? Message-ID: <3D53B690.8024.2777122C@localhost> In-Reply-To: <3D53ED8D.1020104@Thehousleys.net>
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On 9 Aug 2002 at 12:27, James Housley wrote: > 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. I was trying to avoid the second cable. Mainly because a non-BSD person suggested the cable which is now there, and I didn't want to go back and say sorry, I need a second cable... Yes, it's just ego... Unless of course, he's forgotten that I'd have to setup the serial consoles in advance of a problem arising. -- Dan Langille I'm looking for a computer job: http://www.freebsddiary.org/dan_langille.php To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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