[Cialug] Introduction

[Sean McClanahan]

That's what I thought too - that installing the RPM would do the trick,
especially if it is an FC7 RPM, which it is.

So I ran the command you suggested.  The first thing that happened was
updatedb complaining that it cannot open a temporary file for
/var/lib/mlocate/mlocate.db

Then, on the next line, I got /usr/sbin/firewalk:   ELF 32-bit LSB
executable, Intel 80386, version 1 (SYSV), dynamically linked (uses
shared libs), for GNU/Linux 2.6.9, stripped

How does one go about changing the path in FC?  When I type $PATH, I can
see what my path is; Firewalk is indeed an executable in /usr/sbin, I
can see that when I look at the file system. 

Also, I am one who typically doesn't want to just be shown how to do
something.  I want to learn along the way, and hopefully someday, be
able to pass along that knowledge to someone else.  That's part of why I
wanted to find a local group to get involved with, so I can learn.  I
know there are man pages out the wazoo out there, but I tend to learn
more when doing the hands on aspect than just reading about it.  Heck,
that's how I learned a lot of what I know already.  But I also believe
in giving back the knowledge that I have gained.

I guess what I'm saying in the above paragraph is that I'm not trying to
get on here and leech out information, then leave.  If I could make sure
that I understand Linux well enough to be comfortable with it, and I can
start to figure out stumbling blocks like I already can do with a
Windows box, I see no reason to not install Linux for core services here
too - at least for things like file servers.  I know I can't make it
into an AD DC or GC, but I bet Linux would work great for a file server,
among other things.

Sean


-----Original Message-----
From: cialug-bounces at cialug.org [mailto:cialug-bounces at cialug.org] On
Behalf Of Todd Walton
Sent: Friday, July 06, 2007 12:45 PM
To: Central Iowa Linux Users Group
Subject: Re: [Cialug] Introduction

On 7/6/07, Sean McClanahan <sean.mcclanahan at westecnow.com> wrote:
> Hmmm...  an example of some difficulty that I've had is with the
program
> Firewalk.  I was exposed to it in a SANS class, and it seems to be an
> interesting program.  So, I downloaded the RPM and it looked like the
> program installed itself OK - but I cannot seem to get it to run.

So, you've found how to run it?  The command is there?  What messages
does it give you?

I tried to look up Firewalk on the Internet, but nothing has any good
information on it.  The freshmeat page is closed.  The home page is
down.

> I would say that it looks like there is no path to the executable

Oh, I see.  Try this:

# updatedb; locate firewalk | xargs file | grep executable

That should update your 'locate' database, then find all files that
have "firewalk" somewhere in the pathname, then determine the file
type of each of those files.  Any file type listings that read
something about "executable" will print out to your screen.  I suppose
that's a start.  You'd want to make sure that the executable is in
your $PATH.

But without Internet references for the program, it's hard to say
anything beyond that.  For example, maybe it's not "executable"
according to 'file', but rather "script".

I don't know.  One would think that installing it by RPM would make
everything work just fine.

-todd
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