Date: Sat, 14 Jul 2001 18:56:29 -0800 From: Beech Rintoul <akbeech@anchoragerescue.org> To: "Noone Here" <oldtlhingan@hotmail.com>, questions@freebsd.org Subject: Re: cant chflags noschg /kernel in any mode Message-ID: <01071418562900.71103@galaxy.anchoragerescue.org> In-Reply-To: <F267dkSmLAztxc1o8yf000005dd@hotmail.com> References: <F267dkSmLAztxc1o8yf000005dd@hotmail.com>
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On Saturday 14 July 2001 06:27 pm, Noone Here wrote:
> i boot to single user mode, but i cant do anything to my kernel. as root i
> dont seem to have permission to write or move it. i tried to chmod 755 it,
> but cant.
>
> ls -lo shows /kernel permissions r-xr-xr-x and schg.
>
> i boot normally,become super user, try chflags noschg /kernel, i get
> operation noy permitted. i boot and login as root, same thing. i boot to
> single user mode, same thing. i try to chmod, i get "read-only file system"
> message. i raise securelevel from single user -1 to 0 and still get same
> messages.
>
> im trying to install MYKERNEL, but make installkernel KERNEL=MYKERNEL fails
> because it cant remove this immutable bit and cant mv /kernel ->
> /kernel.old. i did a make buildworld, and a make buildkernel
> KERNEL=MYKERNEL that worked without error.
>
> what am i missing or doing wrong here?
>
> FBSD v.4.3-20010706-STABLE
You have your kernel security set too high. Add the following to /etc/rc.conf
and reboot:
kern_securelevel_enable="YES" # kernel security level (see init(8)),
kern_securelevel="-1" # range: -1..3 ; `-1' is the most insecure
Beech
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