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[linux-help] Re: Help with a good Linux reference utility?

[linux-help] Re: Help with a good Linux reference utility?

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To: <linux-help@xxxxxxxxx>
Subject: [linux-help] Re: Help with a good Linux reference utility?
From: "Adam M. Sennott" <kryste01@xxxxxxx>
Date: Sat, 20 Apr 2002 12:16:58 -0700
Reply-to: linux-help@xxxxxxxxx

Thanks for all the useful info, Nate!

Okay, I will start with a few brief questions.  Anyone who would like to
answer, please do, anyone who would like to ignore, please do.

1.  What is the function of sshd, ssh daemon?
2.  Why does the system send me mail all the time?  I get Logwatch letters
from root@localhost.localdomain all the time telling me that sshd has
started and been killed as well as info about sshd.
3.  What is contained in /etc/fstab?
4.  If I want to send mail from the command line, how can I designate the
reply-to address?
5.  What measures can I take on a network (I use Linux at home as a
standalone machine and also at school on a network, where students are
encouraged to hack one another) to ensure that no one can gain access my
machine (or be discovered if they try!)?

PS- I am using RedHat Linux 7.2 (as root) at home and I believe we'll be
using RedHat 6.0 at school.

Thank you anyone who cares to answer!

Original Message -----
From: "Nate Bargmann" <n0nb@xxxxxxxxxxxxxxxx>
To: <linux-help@xxxxxxxxx>
Sent: Saturday, April 20, 2002 5:29 AM
Subject: [linux-help] Re: Help with a good Linux reference utility?

> * root <kryste01@xxxxxxx> [2002 Apr 20 00:58 -0500]:
> >
> > Hello,
> >
> > I was wondering if anyone can recommend a good Linux book or guide
related to
> > networking and security.
> Hi Adam.
> I'm not sure of whether you're looking for online resources or
> tree-ware.
> Online there exists the Linux documentation Project which has several
> guide books on various topics.  Go to
> and look for the The Linux Network Administrator's Guide, Second
> Edition.  It's getting a bit old with the last update in March 2000, but
> has a wealth of general network information.
> For security there is also the Linux Administrator's Security Guide at
>  However, it appears incomplete, but may
> well have a lot of the information you're looking for.
> If you are using Debian, there are a number of manuals available at
> that may also help with other distributions
> as well.
> Don't overlook the HOWTOs most likely installed with your base
> distribution or the latest versions can be found at
>  These are generally task specific
> documents that focus on configuring some aspect of your system in a
> general way.
> If you prefer tree-ware, you can do worse than the O'Reilly books
> available at Borders, B&N, etc.
> > I have so many questions, but few that I think would be of interest the
> > advanced users using this facility.
> Ask away!  The forum exists to help YOU!
> - Nate >>
> --
>  Wireless | Amateur Radio Station N0NB          | "We have awakened a
>  Internet | n0nb@xxxxxxxxxxxxxxxx               | sleeping giant and
>  Location | Bremen, Kansas USA EM19ov           | have instilled in him
>   Amateur radio exams; ham radio; Linux info @  | a terrible resolve".
>               | - Admiral Yamomoto
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