Date: Thu, 10 Jul 2025 08:01:57 -0600 From: Warner Losh <imp@bsdimp.com> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: Zhenlei Huang <zlei@freebsd.org>, FreeBSD Current <current@freebsd.org>, Konstantin Belousov <kib@freebsd.org> Subject: Re: sysctl to prevent reboot? Message-ID: <CANCZdfrnmhnMdQpQgKG%2B-eFEk1fD%2BQQcTER371w%2BGTxqJhKYSQ@mail.gmail.com> In-Reply-To: <o0829s6o-7365-qn4n-8s39-0ro2r6173596@yvfgf.mnoonqbm.arg> References: <o2o49n7o-793n-q70n-s017-5q9508r363q7@yvfgf.mnoonqbm.arg> <1B1CD603-065D-436F-97D9-DDF65AB7F115@FreeBSD.org> <o0829s6o-7365-qn4n-8s39-0ro2r6173596@yvfgf.mnoonqbm.arg>
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[-- Attachment #1 --] On Thu, Jul 10, 2025, 7:52 AM Bjoern A. Zeeb <bzeeb-lists@lists.zabbadoz.net> wrote: > On Thu, 10 Jul 2025, Zhenlei Huang wrote: > > Hi, > > > I believe Konstantin's work [1] and [2] are precisely what you need. > > > > [1] > https://cgit.freebsd.org/src/commit/?id=7fb88c20eccc3fd2118fda2ba58d7afe2b87f7e3 > < > https://cgit.freebsd.org/src/commit/?id=7fb88c20eccc3fd2118fda2ba58d7afe2b87f7e3>; > shutdown(8): refuse to run if /var/run/noshutdown is present > > [2] > https://cgit.freebsd.org/src/commit/?id=384d976725a5c29734a9227fcdb6ef0807485c91 > < > https://cgit.freebsd.org/src/commit/?id=384d976725a5c29734a9227fcdb6ef0807485c91>; > rc.d: Add precious_machine rc.conf knob to create /var/run/noshutdown > > Thanks! I was looking in the wrong place. > > That doesn't catch reboot, does it? For me that's the offending command > as I type that at the loader prompt (if I am in the correct window). > 'alias reboot shurdown -r' has other benefits as well Warner /bz > > -- > Bjoern A. Zeeb r15:7 > > [-- Attachment #2 --] <div dir="auto"><div><br><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Thu, Jul 10, 2025, 7:52 AM Bjoern A. Zeeb <<a href="mailto:bzeeb-lists@lists.zabbadoz.net">bzeeb-lists@lists.zabbadoz.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Thu, 10 Jul 2025, Zhenlei Huang wrote:<br> <br> Hi,<br> <br> > I believe Konstantin's work [1] and [2] are precisely what you need.<br> ><br> > [1] <a href="https://cgit.freebsd.org/src/commit/?id=7fb88c20eccc3fd2118fda2ba58d7afe2b87f7e3" rel="noreferrer noreferrer" target="_blank">https://cgit.freebsd.org/src/commit/?id=7fb88c20eccc3fd2118fda2ba58d7afe2b87f7e3</a>; <<a href="https://cgit.freebsd.org/src/commit/?id=7fb88c20eccc3fd2118fda2ba58d7afe2b87f7e3" rel="noreferrer noreferrer" target="_blank">https://cgit.freebsd.org/src/commit/?id=7fb88c20eccc3fd2118fda2ba58d7afe2b87f7e3</a>>  shutdown(8): refuse to run if /var/run/noshutdown is present<br> > [2] <a href="https://cgit.freebsd.org/src/commit/?id=384d976725a5c29734a9227fcdb6ef0807485c91" rel="noreferrer noreferrer" target="_blank">https://cgit.freebsd.org/src/commit/?id=384d976725a5c29734a9227fcdb6ef0807485c91</a>; <<a href="https://cgit.freebsd.org/src/commit/?id=384d976725a5c29734a9227fcdb6ef0807485c91" rel="noreferrer noreferrer" target="_blank">https://cgit.freebsd.org/src/commit/?id=384d976725a5c29734a9227fcdb6ef0807485c91</a>> rc.d: Add precious_machine rc.conf knob to create /var/run/noshutdown<br> <br> Thanks! I was looking in the wrong place.<br> <br> That doesn't catch reboot, does it? For me that's the offending command<br> as I type that at the loader prompt (if I am in the correct window).<br></blockquote></div></div><div dir="auto"><br></div><div dir="auto">'alias reboot shurdown -r' has other benefits as well</div><div dir="auto"><br></div><div dir="auto">Warner</div><div dir="auto"><br></div><div dir="auto"><div class="gmail_quote gmail_quote_container"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> /bz<br> <br> -- <br> Bjoern A. Zeeb                           r15:7<br> <br> </blockquote></div></div></div>help
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