Re: [Haifux] My Modem, the Kernel and Me

2003-02-18 Thread Muli Ben-Yehuda
On Tue, Feb 18, 2003 at 04:37:29PM +0200, Eli Billauer wrote:

 1. What have I done to deserve this?

Tried to solve the problem with one hand tied behind your back? (the
no recompiling the kernel rule). 

 2. How can I synchronize between the symbols that I have in 
 usr/src/linux/include/linux/module/ and those that are actually loaded 
 into the kernel? I don't want to recompile the kernel.

a. Get the *exact* redhat kernel source rpm for the kernel you are
running. 

b. Copy into the source directory the .config that was used to build
that kernel. I think redhat puts the configs under linux/configs/, or
they might be under /boot somewhere. 

c. Run 'make oldconfig; make dep'. This step prepares the intermediary
kernel configuration and build files that are needed for the build
process. Amongst other things, it handles module version. 

d. Pray. 

 3. Most important: Is there any guide around, for free or for $$$, that 
 spares the endless search on the web for solutions? There are plently of 
 one-pagers who tell me to do a lot of make-make-make, but I still 
 haven't found a single guide that tells me, at least, what files are 
 involved. And to what extent every step I take screws the system up.

Linux Device Drivers talks about this, but not in sufficient
details. You can scourge the linux-kernel mailing list archives, where
this subject was discussed repeatedly. You can read the source, where
ultimately all questions are answered. Start with the top level
Makefile and Rules.make, and follow what happens when you run 'make
oldconfig; make dep'. 
-- 
Muli Ben-Yehuda
http://www.mulix.org
http://syscalltrack.sf.net


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[Haifux] root kit lecture

2003-02-18 Thread Muli Ben-Yehuda
Shachar's lecture of yesterday was very interesting. One thing that I
wish we had time to get into in sufficient details is the design,
deployment, detection and analysis of Linux rootkits. Anyone wants to
pick up the glove and prepare a lecture on the subject? 

-- 
Muli Ben-Yehuda
http://www.mulix.org
http://syscalltrack.sf.net


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