[systemd-devel] emergency, rescue and single-user
jsynacek at redhat.com
Tue Dec 9 22:46:41 PST 2014
Mantas Mikulėnas <grawity at gmail.com> writes:
> On Tue, Dec 9, 2014 at 2:43 PM, Jan Synáček <jsynacek at redhat.com> wrote:
>> what is the difference between emergency, rescue and single-user?
>> On F21, systemd-216-12.fc21.x86_64, they all boot into something that
>> presents itself as "Welcome to emergency mode!" and they all require a
>> root password. In case of booting into emergency.target, I can see
>> "Starting Emergency Shell" in the console output. In single-user and
>> rescue.target, I can see "Starting Rescue Shell", but they all look the
>> same. systemd.special(7) doesn't help much.
> rescue.target pulls in sysinit.target (mounts, swaps, udev, sysctl...),
> while emergency.target starts a sulogin shell and nothing more. See the
> graph in bootup(7).
Ok, good to know about bootup(7), thanks!
Software Engineer, Red Hat
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