Date: Tue, 21 Jun 2022 13:07:41 -0600 From: Warner Losh <imp@bsdimp.com> To: "Rodney W. Grimes" <freebsd-rwg@gndrsh.dnsmgr.net> Cc: "freebsd-arch@freebsd.org" <freebsd-arch@freebsd.org> Subject: Re: Updating reboot's default Message-ID: <CANCZdfrPWSSRsQvMmh4kt7eXtz2NyF=S0R4U67KyV47HPJ%2ByHA@mail.gmail.com> In-Reply-To: <202206211620.25LGKvbN053809@gndrsh.dnsmgr.net> References: <CANCZdfqm22kUCgVseR%2BF9nx5B84r5-gMUhQBBRwzFtxTmhYg2w@mail.gmail.com> <202206211620.25LGKvbN053809@gndrsh.dnsmgr.net>
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--0000000000001f0f2405e1f9f081 Content-Type: text/plain; charset="UTF-8" On Tue, Jun 21, 2022, 10:20 AM Rodney W. Grimes < freebsd-rwg@gndrsh.dnsmgr.net> wrote: > [ Charset UTF-8 unsupported, converting... ] > > On Tue, Jun 21, 2022 at 8:01 AM Warner Losh <imp@bsdimp.com> wrote: > > > > > 15 or 20 years ago, we talked about changing the default for reboot > from > > > 'right now' to being safe shutdown. There were arguments made against > it > > > due to tiny appliances and such. > > > > > > Time has past, and this oddity has persisted. It's time to revisit that > > > decision. > > > > > > I'd propose that we keep 'fastboot' and 'fasthalt' having the immediate > > > behavior. However, the 'reboot' command will switch from '-q' behavior > to > > > '-r' behavior. > > > > > > I'll update the man page, etc to reflect these new defaults. Most of > the > > > systems I've been on in the last 10-15 years have had some flavor of > 'alias > > > reboot reboot -r' in their login scripts and/or made shell scripts > that did > > > this. This will match what everybody else is doing, and will likely > result > > > in less astonishment rather than more, even though it changes a > > > long-standing default behavior. > > > > > > Comments? > > > > > > > I slightly misspoke here. I'm proposing we change the default to like > > 'shutodwn -r' not to re-root the system... Sorry for any confusion. > > Retract my prior objection based on reboot -r being a re-root. > > BUTT: > shutdown -r requires an argument of "time" > And what would the time be? > > aka if you alias reboot "shutdown -r", when I type > reboot I'll end up getting a usage error. > This is gona cause some confusion, perhaps you > mean to alias reboot "shutdown -r now"? > Yes. It would signal init to start the shutdown right now. Warner -- > Rod Grimes > rgrimes@freebsd.org > --0000000000001f0f2405e1f9f081 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"auto"><div><br><br><div class=3D"gmail_quote"><div dir=3D"ltr" = class=3D"gmail_attr">On Tue, Jun 21, 2022, 10:20 AM Rodney W. Grimes <<a= href=3D"mailto:freebsd-rwg@gndrsh.dnsmgr.net">freebsd-rwg@gndrsh.dnsmgr.ne= t</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin= :0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">[ Charset UTF-8 un= supported, converting... ]<br> > On Tue, Jun 21, 2022 at 8:01 AM Warner Losh <<a href=3D"mailto:imp@= bsdimp.com" target=3D"_blank" rel=3D"noreferrer">imp@bsdimp.com</a>> wro= te:<br> > <br> > > 15 or 20 years ago, we talked about changing the default for rebo= ot from<br> > > 'right now' to being safe shutdown. There were arguments = made against it<br> > > due to tiny appliances and such.<br> > ><br> > > Time has past, and this oddity has persisted. It's time to re= visit that<br> > > decision.<br> > ><br> > > I'd propose that we keep 'fastboot' and 'fasthalt= ' having the immediate<br> > > behavior. However, the 'reboot' command will switch from = '-q' behavior to<br> > > '-r' behavior.<br> > ><br> > > I'll update the man page, etc to reflect these new defaults. = Most of the<br> > > systems I've been on in the last 10-15 years have had some fl= avor of 'alias<br> > > reboot reboot -r' in their login scripts and/or made shell sc= ripts that did<br> > > this. This will match what everybody else is doing, and will like= ly result<br> > > in less astonishment rather than more, even though it changes a<b= r> > > long-standing default behavior.<br> > ><br> > > Comments?<br> > ><br> > <br> > I slightly misspoke here. I'm proposing we change the default to l= ike<br> > 'shutodwn -r' not to re-root the system... Sorry for any confu= sion.<br> <br> Retract my prior objection based on reboot -r being a re-root.<br> <br> BUTT:<br> shutdown -r requires an argument of "time"<br> And what would the time be?<br> <br> aka if you alias reboot "shutdown -r", when I type<br> reboot I'll end up getting a usage error.<br> This is gona cause some confusion, perhaps you<br> mean to alias reboot "shutdown -r now"?<br></blockquote></div></d= iv><div dir=3D"auto"><br></div><div dir=3D"auto">Yes. It would signal init = to start the shutdown right now.</div><div dir=3D"auto"><br></div><div dir= =3D"auto">Warner=C2=A0</div><div dir=3D"auto"><br></div><div dir=3D"auto"><= br></div><div dir=3D"auto"><div class=3D"gmail_quote"><blockquote class=3D"= gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-= left:1ex"> -- <br> Rod Grimes=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"mailto:rgrimes@freebsd.org= " target=3D"_blank" rel=3D"noreferrer">rgrimes@freebsd.org</a><br> </blockquote></div></div></div> --0000000000001f0f2405e1f9f081--
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