Help! Linux won't boot and my nephew is coming for dinner!

[warlord at MIT.EDU (Derek Atkins)]

Also, be sure your /etc/lilo.conf is configured for the proper kernel
as well.

-derek

Derek Martin <ddm at pizzashack.org> writes:

> On Mon, Sep 03, 2001 at 12:37:20PM -0400, Bill Horne wrote:
> > Thanks, I hadn't known that. Since I'm upgrading to the binary version of 2.2.16,
> 
> Please note that you should never _UPGRADE_ kernel RPMs (actually, I
> think this may have changed with the latest versions of rpm and newer
> kernel RPMs).  Documentation on Red Hat's site explains that the
> proper way to install new kernel RPMs is to use rpm -ivh --force.
> This may also be in their printed manuals, but I'm too lazy to look
> for it.  :)
> 
> > lrwxrwxrwx   1 root     root           21 Sep  1 14:25 System.map ->
> > System.map-2.2.14-5.0
> > -rw-r--r--   1 root     root       202415 Mar  8  2000 System.map-2.2.14-5.0
> > -rw-r--r--   1 root     root       187304 Jun 19  2000 System.map-2.2.16-3BOOT
> > 
> > I don't know how to get LILO to integrate the 2.2.14 and 2.2.16 versions.
> 
> Boot from your floppy.  Then try:
> 
>   # ln -sf System.map-2.2.16-3BOOT System.map
>   # /sbin/lilo
> 
> This assumes that your kernel is actually vmlinuz-2.2.16-3BOOT, which
> seems likely based on the above.
> 
> It's worth noting that all kernel versions prior to 2.2.19 have at
> least one local root compromise problem, and prior to 2.2.18 have two
> or more major security problems.  This is only an issue if you run
> sendmail or if you have local users on your system that you don't
> trust with root access (or a remote attacker can compromise a local
> account).  Note that the sendmail-related problem is not in sendmail
> per se, but is a kernel bug dealing with capabilities which sendmail
> makes use of.  So, the problem may exist in other software too, but is
> only currently known (reported) to affect sendmail.
> 
> -- 
> ---------------------------------------------------
> Derek Martin          |   Unix/Linux geek
> ddm at pizzashack.org    |   GnuPG Key ID: 0x81CFE75D
> Retrieve my public key at http://pgp.mit.edu
> 
> -
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-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord at MIT.EDU                        PGP key available
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