Date: Sun, 28 Apr 2013 16:13:19 -0700 From: Michael Sierchio <kudzu@tenebras.com> To: Polytropon <freebsd@edvax.de> Cc: Joe <fbsd8@a1poweruser.com>, FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: enter single user mode from boot menu Message-ID: <CAHu1Y71TUwQ5M8K7qi8h5THZ6tb3gJdfX3cVdpWS1A8Wrw2fiA@mail.gmail.com> In-Reply-To: <20130429010414.3227b624.freebsd@edvax.de> References: <517DA65E.8050706@a1poweruser.com> <20130429010414.3227b624.freebsd@edvax.de>
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On Sun, Apr 28, 2013 at 4:04 PM, Polytropon <freebsd@edvax.de> wrote: > > After the BTX loader has started, keep hammering the space > bar. :-) > > At some point, you'll see the > > Ok > _ > > prompt. This is where you enter the command > > boot -s > > to go into single-user mode. The kernel will load as you would > expect, but no further action (rc.d startup) will be taken. Instead > you have to confirm the shell (/bin/sh by default) by pressing > enter at the > > When prompted Enter full pathname of shell or RETURN for /bin/sh: > > prompt; and then you're left at the > > # _ > > prompt, which means you're in single user mode. Type "exit" to > start into multi-user mode as usual. > > In single user mode, the root filesystem will be the only one mounted, and it will be mounted read-only. If you need to make changes (Correcting a fat-fingered edit to /etc/fstab, for example), you'll need to mount root rw. mount -u -o rw / is the minimal command to do that. You might also find it easier to mount /tmp and /var if they're separate filesystems... YMMV, etc. - M
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