Re: [techtalk] Mail server

2000-10-13 Thread Conor Daly

On Thu, Oct 12, 2000 at 05:25:45PM -0400 or so it is rumoured hereabouts, 
Kath thought:
> Can you have a mail server without a domain name for it (just an IP)?
> 
> - Kathy
> 
AFAIK you can but the IP address needs to be properly quoted (with
something like square brackets) in sendmail config files to work properly.
OTOH, your students might be happier with [EMAIL PROTECTED] rather than
[EMAIL PROTECTED] as an email address.  As far as needing to point their machines
at a mailserver, an IP address is fine

> > > > > How do I go about setting up a SMTP and POP3 server
> > > > > in Red Hat 6.2?  What software should I use?  Any
> > > > > tips/advice?
> > > > >
> > > > > - Kathy
> > > > >

Check out Donncha O'Caoimh's "Install Sendmail" program at
www.linux.ie/downloads  This will configure sendmail for you.  Nice!

-- 
Conor Daly <[EMAIL PROTECTED]>

Domestic Sysadmin :-)

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Re: RFCs (was Re: [techtalk] Mail server)

2000-10-13 Thread Telsa Gwynne

On Thu, Oct 12, 2000 at 09:33:40PM -0700 or thereabouts, curious wrote:
> all of the RFC's I posted were "april 1st" RFC's like the infinate monkey
> protocol, ip over avian carriers.. etc.. 
> I was tring to bring light to reading RFCs by pointing out some of the
> lighter ones.. 

One of those you posted was the pegdhcp one. If that's the one I'm
thinking of (where you allocate addresses on the basis of "who got
which tent peg"), then at GUADEC this year, I met a guy who well 
remembered putting this into practice on a campsite used for a 
hacking convention. Apparently you only need three (different 
sorts of?) implementations to turn one of the "suggestions, 
advisories" sort of RFC into a "this is now a real live 
standard" sort...

:)

(Corrections and explanations of RFCs and peg DCHP welcomed: I'm
stopping there because I'm rather hazy on both :))

Telsa 

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Re: [techtalk] su and PATH?

2000-10-13 Thread Eva Fenrich

Hi!
On Wed, Oct 11, 2000 at 10:06:55AM -0400, Brian Sweeney wrote:
> Quick questions that's been bugging me for some time...if I telnet to a
> machine as a normal user and SU as root, I don't gain any of the root user's
> standard PATH.  So when I try to execute programs I have to specify
> /usr/sbin, or /usr/bin, or whatever.  I'm using bash.
So why do you work as root through a telnet connection? Even if you
telnet to the machine as a normal user everything you type in is in
plain text:
Also your ROOTPASSWORD can be read by everyone in between
I would suggest to ssh to the remote machine as a normal user and do
'su -l root' or ssh to the machine as root to have an encrypted
connection...

Regards, Eva
-- 

Eva Fenrich 
Fachschaft Umweltschutztechnik
FachschaftsvertreterInnenversammlung
Universitaet Stuttgart
[EMAIL PROTECTED]

Non quia difficilia sunt non audemus, sed quia non audemus difficilia sunt.
L.A. Seneca

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[techtalk] Time stamps on copies of files

2000-10-13 Thread Katherine Macey

Hi,

Does anyone know how I can copy a file and keep the original time stamp (ie,
not the time at which it was copied, but when the original was last
modified)?

(Using RedHat 6.0 if it makes a difference.)

Thanks in advance,

Katherine.


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Re: [techtalk] Time stamps on copies of files

2000-10-13 Thread Erin Clarke

cp -p  

-p to preserve original file info (permissions, ownership, 
date, etc.)

man cp for more!

Erin  8)

On Fri, Oct 13, 2000 at 10:27:12AM -0700, Katherine Macey wrote:
> Hi,
> 
> Does anyone know how I can copy a file and keep the original time stamp (ie,
> not the time at which it was copied, but when the original was last
> modified)?

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Re: RFCs (was Re: [techtalk] Mail server)

2000-10-13 Thread Anmol Khirbat



On Thu, 12 Oct 2000, Vinnie wrote:

> On Thu, 12 Oct 2000, curious wrote:
> 
> > > I tried searching the RFCs and decided there's way too many for me to want
> > > to read :) 
> > 
> > 
> 
> I meant, when I searched for RFCs relavent to email, there were too many
> -- I skimmed through two or three that looked most relavent, didn't find
> what I was looking for, and said 'Hey, my test message went
> through...well, I guess it's proof I'm not smoking something this time, at
> least'

RFC822 (section 6.2.3) talks about a `domain-literal', which is an IP
address in square brackets. 

bye :)
Anmol





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Re: [techtalk] Time stamps on copies of files

2000-10-13 Thread stephanie1200

cp -p

"Katherine Macey" <[EMAIL PROTECTED]> wrote:
>
> Hi,
> 
> Does anyone know how I can copy a file and keep the original time stamp (ie,
> not the time at which it was copied, but when the original was last
> modified)?
> 
> (Using RedHat 6.0 if it makes a difference.)
> 
> Thanks in advance,
> 
> Katherine.
> 
> 
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[techtalk] sshd2 disconnects

2000-10-13 Thread Naomi Hospodarsky

Hello all,

I've got a server running rh 6.2 with sshd2 v. 2.3.0.  I and my comrades 
connect remotely using the secureCRT client (version 3.1)
Anyway, the darn thing disconnects us at seemingly random intervals 
(usually in the middle of typing some long command) with the following error:

The SSH Server disconnected with the following message : Protocol error :
  packet 5 in interactive (reason code : 2)

It does not appear to be a timeout issue; anyone seen this or have any 
ideas? It is really
quite irritating.

Thanks,
Naomi


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[techtalk] firewall info

2000-10-13 Thread curious

http://www.linuxworld.com/linuxworld/lw-2000-10/lw-10-fwproducts1.html
has some good firewall info

 /"\  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
 \ /   ASCII Ribbon Campaign  [EMAIL PROTECTED]
  X   - NO HTML/RTF in e-mail http://www.curious.org/
 / \  - NO Word docs in e-mail"This quote is false." -anon


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Re: [techtalk] sshd2 disconnects

2000-10-13 Thread Saska

Just saw this happen with the exact same config you describe below.  My
husband says it happens to him only when his session is idle.  I haven't
used SecureCRT to connect to my RH 6.2 servers running sshd2 2.3.0, but
I can say that I don't see this error making connections from the ssh2
2.3.0 client on the Linux platform.

Our dialup connection had dropped when it happened; it it possible you
have latency problems on your connection that mimic/look like a
termination?

-S

- Original Message -
From: "Naomi Hospodarsky" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, October 13, 2000 12:51 PM
Subject: [techtalk] sshd2 disconnects


| Hello all,
|
| I've got a server running rh 6.2 with sshd2 v. 2.3.0.  I and my
comrades
| connect remotely using the secureCRT client (version 3.1)
| Anyway, the darn thing disconnects us at seemingly random intervals
| (usually in the middle of typing some long command) with the following
error:
|
| The SSH Server disconnected with the following message : Protocol
error :
|   packet 5 in interactive (reason code : 2)
|
| It does not appear to be a timeout issue; anyone seen this or have any
| ideas? It is really
| quite irritating.
|
| Thanks,
| Naomi
|
|
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|


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