FreeBSD Bugzilla – Attachment 11880 Details for
Bug 23200
[PATCH] New FAQ entry, describing securelevel time change problem
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[patch]
file.diff
file.diff (text/plain), 1.92 KB, created by
mwm
on 2000-11-30 23:10:00 UTC
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file.diff
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mwm
Created:
2000-11-30 23:10:00 UTC
Size:
1.92 KB
patch
obsolete
>--- book.sgml Sun Nov 26 15:08:44 2000 >+++ /tmp/book.sgml Thu Nov 30 17:04:01 2000 >@@ -6533,13 +6533,40 @@ > <screen>&prompt.root; <userinput>sysctl kern.securelevel</userinput></screen> > > <para>You cannot lower the security level; you have to boot >- to single mode to install the kernel, or change it in >- <filename>/etc/rc.conf</filename> then reboot. See the >- &man.init.8; man page for details on securelevel, and >+ to single mode to install the kernel, or change the >+ security in <filename>/etc/rc.conf</filename> then reboot. See >+ the &man.init.8; man page for details on securelevel, and > see <filename>/etc/defaults/rc.conf</filename> and the > &man.rc.conf.5; man page for more information on rc.conf.</para> > </answer> > </qandaentry> >+ >+ <qandaentry> >+ <question id="kernel-chflag-failure"> >+ <para>I can't change the time on my system by more than one second! >+ How do I get around this?</para> >+ </question> >+ >+ <answer> >+ <para>Short answer: You're probably at security level >+ greater than 1. Reboot directly to single user mode to >+ change the date.</para> >+ >+ <para>Long answer: FreeBSD disallows changing the time by >+ more that one second at security levels greater than 1. You >+ can check your security level with the command:</para> >+ >+ <screen>&prompt.root; <userinput>sysctl kern.securelevel</userinput></screen> >+ >+ <para>You cannot lower the security level; you have to boot >+ to single mode to change the date, or change the security >+ level in <filename>/etc/rc.conf</filename> then reboot. See >+ the &man.init.8; man page for details on securelevel, and >+ see <filename>/etc/defaults/rc.conf</filename> and the >+ &man.rc.conf.5; man page for more information on rc.conf.</para> >+ </answer> >+ </qandaentry> >+ > </qandaset> > </chapter>
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bug 23200
: 11880