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From: Mel <fbsd.questions@rachie.is-a-geek.net>
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Date: Sun, 25 Jan 2009 17:08:14 -0900
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Cc: Peter Vereshagin <peter@vereshagin.org>
Subject: Re: jail devfs openpty
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On Sunday 25 January 2009 02:25:17 Peter Vereshagin wrote:
> Hello,
>
> I am doing the portupgrade inside my jail.
> I see that script(1) have no permission on openpty.
> I deleted all the devfs rules on tha jail's /dev both by hand and by
> deleting the ruleset string in master's rc.conf. So i stopped jail and
> mounted devfs by hand. Started jail. It appears to work, the portupgrade. I
> suppose that if mounted with /etc/rc.d/jail the devfs has some tweak that
> makes it different from mounted by hand.

Are you sure that's the problem?
When going inside a jail with jexec(8) there is no /dev/tty. You have to login 
using ssh to get fully functional tty's.

-- 
Mel

Problem with today's modular software: they start with the modules
    and never get to the software part.