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Date: Mon, 19 Jan 2009 09:51:31 -0500
From: Steve Bertrand <steve@ibctech.ca>
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To: Pieter Donche <Pieter.Donche@ua.ac.be>
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Cc: "mail.list freebsd-questions" <freebsd-questions@freebsd.org>
Subject: Re: / mounted read-only after error in /etc/rc.conf
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Pieter Donche wrote:
> I made a typing error when chanign /etc/rc.conf
> (linux_enable=YES")
> when rebooting the system, the boot stops
> /etc/rc.conf: 22: Syntax error: Unterminated quote string
> Enter full pathname of shell or RETURN for /bin/sh:
> #
> this leaves me with
> /dev/ds0s1a on / (ufs, local, read-only)
> 
> since / is read-only I can not edit /etc/rc.conf to correct the error.
> 
> How to solve this?

Try:

# mount -u /

Which will try to re-mount the / partition as read/write.

Steve