Date: Sat, 18 Oct 2008 11:47:43 +0300 From: Manolis Kiagias <sonic2000gr@gmail.com> To: Jeremy Chadwick <koitsu@FreeBSD.org> Cc: Olivier Nicole <on@cs.ait.ac.th>, freebsd-questions@freebsd.org, Peter Boosten <peter@boosten.org> Subject: Re: Disable CTRL-ALT-DEL Message-ID: <48F9A2AF.8010300@gmail.com> In-Reply-To: <20081018081048.GA43067@icarus.home.lan> References: <200810180545.m9I5jY45021678@banyan.cs.ait.ac.th> <48F97D7A.5010303@gmail.com> <48F994A7.8060901@boosten.org> <48F99725.2030409@gmail.com> <20081018081048.GA43067@icarus.home.lan>
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Jeremy Chadwick wrote: > On Sat, Oct 18, 2008 at 10:58:29AM +0300, Manolis Kiagias wrote: > >> Peter Boosten wrote: >> >>> Manolis Kiagias wrote: >>> >>> >>>> Olivier Nicole wrote: >>>> >>>> >>>>> Hi, >>>>> >>>>> On FreeBSD 6.3 how to disable the CTRL-ALT-DEL from halting/rebooting >>>>> the system? >>>>> >>>>> Best regards, >>>>> >>>>> Olivier >>>>> >>>>> >>>> There are two ways of doing this, both described in the FreeBSD FAQ here: >>>> >>>> http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/admin.html#CAD-REBOOT >>>> >>>> >>> Hmmm, didn't know about the second one, and doesn't seem to be working >>> either (on both 7.0 and 6.3): >>> >>> sysctl hw.syscons.kbd_reboot=0 >>> sysctl: unknown oid 'hw.syscons.kbd_reboot' >>> >>> >>> Peter >>> >>> >> It seems you are right. Just checked on 6.3 and 7.0 and it does not >> exist. It does exist in 6.2, however. >> > > Hmm... > > # sysctl hw.syscons.kbd_reboot=0 > hw.syscons.kbd_reboot: 1 -> 0 > # sysctl hw.syscons.kbd_reboot=1 > hw.syscons.kbd_reboot: 0 -> 1 > # uname -a > FreeBSD icarus.home.lan 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #0: Thu Oct 2 03:04:20 PDT 2008 root@icarus.home.lan:/usr/obj/usr/src/sys/PDSMI_PLUS_RELENG_7_amd64 amd64 > > Mystery solved. The sysctl only exists if you have not already compiled the kernel with options SC_DISABLE_REBOOT I just checked, and all the systems that do not show this were compiled with SC_DISABLE_REBOOT I installed a clean (vmware) 7.0 and hw.syscons.kbd_reboot exists.
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