Linux-Networking Digest #679, Volume #10 Tue, 30 Mar 99 17:13:53 EST
Contents:
SIMPLE QUESTION!!!!!!!!!!!!!!!!!!!!!!!! ("Nausherwan I. Malik")
Re: PPP connections problem with RedHat 5.2 ("Jean-Claude")
PPP stands for Problem Problem Problem
Pinging problems ([EMAIL PROTECTED])
Re: Confused about addresses ("Lee Sharp")
setting up a routing table ([EMAIL PROTECTED])
more than one modem in a machine ([EMAIL PROTECTED])
Linux AMD/Autofs/NFS make Solaris2.5 NFS/NIS+ server crash, when using CSSC ...
("Alain Coetmeur")
Re: Using Linux instead of NT Server in home environment.... ("Stuart Fox")
Missing: Module-info-x.x.x (star225)
Re: need a hub to connect 2 machines w/ ethernet? (Steve Knouse)
Simple(?) POP question (Daniel Charlebois)
Re: bad response times although 95% idle (Matthias Pigulla)
Network Help Needed (ThinMan84)
Re: SAMBA/PASSWORDS (Andrzej Filip)
Re: Multi-homed machine (Jon Slater)
Network Traffic Monitoring (Eric Rossing)
----------------------------------------------------------------------------
From: "Nausherwan I. Malik" <[EMAIL PROTECTED]>
Subject: SIMPLE QUESTION!!!!!!!!!!!!!!!!!!!!!!!!
Date: Mon, 29 Mar 1999 17:39:31 +0400
Reply-To: [EMAIL PROTECTED]
Is it possible for me to download Linux software in Windows and then use
it in linux????????????????
Please help!!!
Nim Malik!
[EMAIL PROTECTED]
------------------------------
From: "Jean-Claude" <[EMAIL PROTECTED]>
Crossposted-To: comp.os.linux.setup
Subject: Re: PPP connections problem with RedHat 5.2
Date: Tue, 30 Mar 1999 17:48:37 +0200
If you are successful with minicom and a script, I'd like to have your point
on this : I am trying to do the same and I get connected to some extent...
What I can read on minicom is :
Login:fti/jhkeci9
Password:
Entering PPP session.
IP address is 164.138.33.139
MTU is 1500
Then nothing... till I get disconneted a few seconds later...
>I found that the reason why it was hanging up on my system was the timeout
>value wasn't set. So my computer when it was connected to my ISP, was
timing
>out right away instead of waiting long enough for the scripts to run. Once
I
>put 15 sec. in the time out value I was able to dial up to my ISP with no
>problem.
>
>-Eric
>[EMAIL PROTECTED]
>
>-----------== Posted via Deja News, The Discussion Network ==----------
>http://www.dejanews.com/ Search, Read, Discuss, or Start Your Own
------------------------------
From: <[EMAIL PROTECTED]>
Subject: PPP stands for Problem Problem Problem
Date: Mon, 29 Mar 1999 21:12:36 -0000
Hi,
I'm having problems getting any sort of internet connection with Linux.
I've installed red hat 5.1 and had no success so now I've got 5.2, same
story, no success. On both occasions I've had messages saying that ppp is
not part of the kernel or something to that extent. Also ppp doesn't appear
on the boot log where I think it's meant to be.
Does this happen to every one? Does everyone have to recompile their kernel
as soon as they get Linux? If so this seems a little stupid. This whole
thing may be all my fault and there could be a very simple explanation.
If possible can some one e-mail me their scripts eg, ppp-on , ppp-on-dialer
etc and a simple expenation of where they all go and what changes I might
need to make.
Any help would be greatly appreciated
Thanks in advance
Paul Eastman (A newbie)
------------------------------
From: [EMAIL PROTECTED]
Subject: Pinging problems
Date: Tue, 30 Mar 1999 15:51:31 GMT
My production linux server and another test linux server, which both worked
fine for 2 years, suddenly began having problems communicating with other
computers over the network. For example, telnet sessions into the server
either time out while I wait for the login or password prompt, or there are
long delays doing anything after I get logged in. The same delays occur when
telnetting out from the server. Also, when I ping (just using IP address) to
the server from any other machine, some of the packets are transmitted, but
most do not get through. The same happens pinging from the server. Only the
linux machines seem to be affected. DNS entries are correct. Can anyone point
me to some _specific_ references on how I might get some idea of what's going
wrong? Thanks in advance.
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------------------------------
From: "Lee Sharp" <[EMAIL PROTECTED]>
Subject: Re: Confused about addresses
Date: Tue, 30 Mar 1999 13:03:16 -0600
Charles Brands wrote in message <[EMAIL PROTECTED]>...
|I am trying to connect two PC's (slackware 3.6 operating system) to
|the internet using an internal modem. These two computers will be used
|for e-mail and websurfing purposes. I've got the IP addres from my
|internet provider. But when I look in /etc/rc.d/rc.inet1 I also see
|netmask, network, broadcast, and gateway.
|What numbers should I fill in for these addresses? and what do these
|addresses mean?
Don't feel bad. Subnetting is one of the most difficult thing most
people find learning IP. Once you understand it, it is simple. :-)
Starting with "netmask" or "subnet mask." This is the size of your local
segment. The ones and zeros of the binary representation "mask" your local
network. In simple terms, a 255.255.255.0 subnet mask means that all of the
ranges in the 4th "octet" <gotta love the buzz words> are local, giving you
254 possible local addresses. A 255.255.255.224 subnet mask would give you
32 possible local addresses. A 255.255.0.0 subnet mask would give you 255
time 255 local addresses, and a lot of collisions. :-)
"Network" is the address of your local subnet. It is not a valid machine
address. For example, a machine at 192.168.0.1 with a subnet mask of
255.255.255.0 would be in network 192.168.0.0, the "network address." This
gets important when you have small subnets like 192.168.0.34 with a subnet
mask of 255.255.255.224 which is in network 192.168.0.32. The local network
address is calculated but the IP stack, but is needed for routing purposes.
"Broadcast" or "broadcast address" is the address at the other end of the
spectrum. In a 255.255.255.0 subnetted network it would be something like
192.168.0.255, and spoofs to ALL local addresses. Windows does a lot of
communicating with broadcast addresses.
"Gateway" is the last bit. It is the path off of the local network. If a
system has a packet, and it's destination is not on the local subnet (which
it determines from the subnet mask) it sends it to the "gateway." Assuming
you are using your Linux box as a router, the gateway for all of your client
boxes would be the address of your Linux box's ethernet NIC. Also assuming
you are using a modem to connect to your ISP, you would NOT put a default
gateway in your Linux box, as PPP will do that for you when you connect.
Lee
--
SCSI is *NOT* magic. There are *fundamental technical reasons* why it is
necessary to sacrifice a young goat to your SCSI chain now and then. *
Black holes are where God divided by zero. - I am speaking as an individual,
not as a representative of any company, organization or other entity. I am
solely responsible for my words.
------------------------------
From: [EMAIL PROTECTED]
Crossposted-To: comp.os.linux.misc
Subject: setting up a routing table
Date: Tue, 30 Mar 1999 16:09:47 GMT
I have a quick question about setting up a Linux-based router. I already know
the generalities, but would like to field the question for comments and any
possible hints or tips that might be out there.
We have two offices, A and B. I would like both A and B to have Internet
access. Both offices will have dynamically assigned IP addresses through PPP.
Also, the two offices will need to have a TCP/IP network going between them.
I plan on using PPP for this also because of the ease of setup. So, we have a
PPP link going from A to B also (the link should be able to be initiated by
either).
I assume I need to setup a routing table with each machine in both A and B.
If the address is not in the table (not in A or B), the data will be sent
over the Internet PPP link. This means if A has data not meant for any
machine in A, then looks in the table and determines it does not go to B, it
will go to the Internet. Also, if group B has data and the address does not
belong to group A, then send it over their Internet link.
Corrections? Tips, hints, suggestions? Security considerations? (We are a
medical clinic. Patient confidentiality is vital.)
Also, I would like to enable Windows Networking over this link, as in having
SAMBA setup in both A and B. So, group A could print to group B's printers (a
cheap way to fax). Any problems with this? Anything to keep in mind?
Regards, Dustin
---
Dustin Puryear
[EMAIL PROTECTED]
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------------------------------
From: [EMAIL PROTECTED]
Crossposted-To: comp.os.linux.misc
Subject: more than one modem in a machine
Date: Tue, 30 Mar 1999 16:15:08 GMT
I know it is easy to setup two modems in a PC, but how about 3 or 4? I would
like to setup Linux as a communications server, where it can serve as a modem
pool similar to the SAPS systems for Windows. Also, what is a good start as
for as reading up on setting up a modem pool under Linux? The system would
have to allow for any user to automatically be able to use any free modem in
the system.
If there isn't GPL'd software for this, is there a commecial package? It would
need to work with Windows machines.
Along these lines, anyone have any experience with multimodem cards? It might
be easier to setup a server with 4-8 modems for this if I can get a decently
priced card.
Thanks for any help!
Regards, Dustin
---
Dustin Puryear
[EMAIL PROTECTED]
============= Posted via Deja News, The Discussion Network ============
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------------------------------
From: "Alain Coetmeur" <[EMAIL PROTECTED]>
Subject: Linux AMD/Autofs/NFS make Solaris2.5 NFS/NIS+ server crash, when using CSSC
...
Date: Tue, 30 Mar 1999 19:44:48 +0200
to resume:
when we use the SCCS clone called CSSC (it it important),
on our Linux nodes using "amd" and "autofs" automounter
the solaris NIS and NFS server became non functional
detail:
on our network we had
- a big Solaris 2.5 NFS v3/v2 server, exporting many volume that are autmounted
- a Solaris NIS+ running in NIS compatibility mode,
by the way it exports an auto.home NIS+ table
- many Solaris workstation that automount /home volumes from the servers
according to local /etc/auto.home file, not the nis table . it also use
a /net automount directory that contain the hosts on the networks
and their exported volume
then we added Linux hosts (suse 6.0 and redhat 5.2) with
-amd from redhat 5.2, or amd from Suse 5.3 for the suse nodes
it automounts a /net directory that contain the hosts on the networks
and their exported volume
-autofs that use the auto.master and auto.home NIS table to export.
this works most of the time, but
when I'm using the SCCS clone called CSSC
(maybe because of some lock on NFS ?)
the whole network hang on NFS volumes.
yet NIS and showmount seems OK
all mount do fail. since all is done through
automount I accuse the automounter but
maybe is it the NFS.
is this a known problem?
------------------------------
From: "Stuart Fox" <[EMAIL PROTECTED]>
Crossposted-To: comp.os.linux.misc,comp.os.linux.setup
Subject: Re: Using Linux instead of NT Server in home environment....
Date: Wed, 31 Mar 1999 08:30:14 +1200
Well, he used an example of an improperly configured NT box as a direct
comparison - I can read as well as anyone thanks. BTW, this thread started
out cross posted to the microsoft news groups...
Throw me in a kill file if you like.
Stu
M. Brian Akins wrote in message <[EMAIL PROTECTED]>...
>Perhaps you cannot read the newsgroups title, *.linux.*. I know that a
properly
>configured Linux box will not crash, and I think I speak for most here -- I
>don't care what NT does, I read this ng for linux info.
>
>
>Stuart Fox wrote:
>
>> Although this isn't the forum for tech support, you missed a step in your
>> procedure.
>>
>> You installed the mpri386 after applying SP4. This was a bad idea. SP4
has
>> fixes for these features and making changes to the networking components
>> without reapplying the service pack will usually cause problems
(including
>> blue screens)
>>
>> My argument still stands - a PROPERLY configured NT box will not blue
screen
>>
>> Stu
>>
>> dont spam me wrote in message <[EMAIL PROTECTED]>...
>> >On Mon, 29 Mar 1999 09:10:30 +1200, "Stuart Fox"
>> ><[EMAIL PROTECTED]> wrote:
>> >>Also, time for a few facts
>> >>
>> >>1. NO operating system is bug free
>> >>2. Both Linux camps and MS spend considerable time locating and fixing
>> bugs
>> >>3. A properly configured NT box will not Blue Screen, and will be as
>> stable
>> >>as a well configured Linux box.
>> >>
>> >>Just my two cents worth.
>> >>
>> >1. true
>> >2. true
>> >3. false
>> >
>> >
>> >if this is true...explain this one to me. if you follow steps 1-7,
>> >step 8 is garenteed to happen every time with every computer I've
>> >tried it on. ( seems that the y2k patch for nt makes it compleately
>> >unusable now instead of makeing you wait for 1/1/00 you can skip step
>> >8 only if you install sp3 instead of sp4 but the moment sp4 is
>> >installed, CRASH)
>> >
>> >1 brand new computer
>> >2 clean hd
>> >3 nt server fresh install as primary domain controler
>> >4 get on the net and download and apply nt serive pack 4 y2k
>> >5 download and install mpri386 (lan to ras routeing package)
>> >6 restart computer
>> >7 connect to the internet
>> >8 core dumps system restarts.
>> >
>> >nothing not listed here was done to the system
>> >figured it was my hardware, scraped the entire computer got a new one,
>> >same thing.
>> >custome built me one for this. same thing
>> >
>> >took the original computer, installed linux
>> >echo 1 >/proc/system/ipv4/ip_forward
>> >now does the job perfectly just wishing for the ml-ppp that nt has
>> >
>> >you see, I have a dial-up sub-net and none of those advanced
>> >technologies like isdn or adsl or cable modems are available in my
>> >area yet. and all I want to do with this NT box is lan to ras routing.
>> >I have different servers for everything else
>> >
>> >
>
------------------------------
From: [EMAIL PROTECTED] (star225)
Subject: Missing: Module-info-x.x.x
Date: Mon, 29 Mar 1999 20:32:27 GMT
Reply-To: [EMAIL PROTECTED]
I get the message: "module-info-x.x.x missing. I cannot do without."
When running Kernel Configuration from X I get this message.
Have I forget to compile something?
What should I do?
------------------------------
From: [EMAIL PROTECTED] (Steve Knouse)
Subject: Re: need a hub to connect 2 machines w/ ethernet?
Date: Tue, 30 Mar 1999 14:22:37 -0600
In article <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
(Jon-o Addleman) wrote:
>Once upon a Sun, 28 Mar 1999 05:40:49 -0700, "Paul Bary"
><[EMAIL PROTECTED]> wrote:
>
>>How about a REALLY non technical explaination...A twisted pair LAN cable is
>>composed of 6 (or 8..I forget) wires...some are designated for inbound
>>signals and some for outbound signals.
>
>There are 8 wires (I've spent many hours in past few days rewiring
>cables to make an extention cord... ugh..)
>
>there are 4 ethernet wires (transmit+ transmit-,receive+, receive-)
>and 4 others that get used for phone lines. These phone wires are
>useless if you're just using a LAN - they're there so that a house can
>have one set of wiring for both the phone system and the LAN cables.
Ethernet null cable
1 to 3
2 to 6
RJ45
1 & 2 Tx + & -
3 & 6 Rx + & -
4 & 5 unused
See article 10BASE-T Crossover Wiring
<http://wwwhost.ots.utexas.edu/ethernet/10quickref/ch5qr_5.html>
------------------------------
From: Daniel Charlebois <[EMAIL PROTECTED]>
Subject: Simple(?) POP question
Date: Mon, 29 Mar 1999 13:40:33 -0600
This is a multi-part message in MIME format.
==============753FC90B0C6B5968419D23A3
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Does anyone know how to set the PINE email program to read
from a POP server rather than IMAP?
Thanks ;-)
--
Daniel Charlebois | email: [EMAIL PROTECTED]
CDMA Systems Division | phone: 847-632-6709
Motorola | pager: 847-576-0295 21503
==============753FC90B0C6B5968419D23A3
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Content-Transfer-Encoding: 7bit
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begin:vcard
n:Charlebois;Daniel
tel;fax:+847-632-3727
tel;work:+847-632-6709
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org:Motorola - CDMA Systems Division
adr:;;1475 W. Shure Dr.;Arlington Heights;IL;60004;US
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==============753FC90B0C6B5968419D23A3==
------------------------------
From: Matthias Pigulla <[EMAIL PROTECTED]>
Subject: Re: bad response times although 95% idle
Date: Tue, 30 Mar 1999 22:46:33 +0200
Brian McCauley wrote:
> Are these telnet sessions slow to start or slow while running?
Slow _while running_. A "netstat -ave" shows lots of sockets with state
"TIME_WAIT". Might that be related with my problem?
Matthias
------------------------------
From: [EMAIL PROTECTED] (ThinMan84)
Subject: Network Help Needed
Date: 30 Mar 1999 21:11:56 GMT
I have searched through the earlier posts and the FAQ's and have not found any
information on my problem.� If it is in the FAQ or earlier posts, I'm sorry.
I have a network of four linux machines (3 slackware, 1 redhat), and a few
portmasters all connected to the internet through a router.
The redhat machine has trouble communicating with the third slackware machine,
and vice versa.
Sometimes pings get through (always with at least 20% packet loss) and
sometimes I can't ping at all.� Both machines can successfully ping (and
telnet, and ftp, and so on) the other two machines, the router, all the
portmasters, and sites on the internet.� Basically the only problem seems to be
when they try to talk to each other.
I have entries in the host files of both machines, and I have tried pinging
with the IP addresses instead of the names.� I have a name server running on
one of the other slackware boxes, but not on either of these machines.
I have checked the routing tables and they look okay; all the machines seem to
be using the same configuration (except for their own IP of course).
This is my first attempt at using redhat, and the first trouble of this type
I've had with linux.� Am I overlooking something obvious because of my
unfamiliarity with redhat?
Any help is appreciated.
------------------------------
From: Andrzej Filip <[EMAIL PROTECTED]>
Subject: Re: SAMBA/PASSWORDS
Date: Tue, 30 Mar 1999 19:41:37 +0200
phil morle wrote:
> I have setup SAMBA with Linux so that I can successfully browse Network
> Neighborhood in Win98 and see the Linux box... when I go to map a network
> drive I am asked for a password. Each time I give it it tells me that the
> password is wrong... any ideas?
samba uses its own passwords, use smbpasswd to change it for yourself
or as root for other
smbpasswd user_login
--
"Andrzej (Andrew) A. Filip" <[EMAIL PROTECTED]>
http://homestead.dejanews.com/user.anfi
------------------------------
From: Jon Slater <[EMAIL PROTECTED]>
Subject: Re: Multi-homed machine
Date: Mon, 29 Mar 1999 13:55:28 -0700
IP Masquerading...
Trevor wrote:
>
> Hi everyone,
>
> I'm trying to set up a multi-home linux machine (RedHat 5.2), with
> little success so far. I am dialing my ISP using dip, and it all
> connects correctly so that I can browse, ftp etc from the linux
> box. I'd also like to be able to browse, ftp etc from the other
> two machines on my network, both NT machines. How do I get
> linux to pass packets between eth0 and ppp0 so that the other
> machines on the network can see the internet also.
>
> Thanks,
> Trevor.
>
> --
> Trevor Elbourne - Director
> AFB Engineering Pty Ltd
>
> +61-2-9571-8662 (phone)
> +61-2-9571-8663 (fax)
> mailto:[EMAIL PROTECTED]
------------------------------
From: [EMAIL PROTECTED] (Eric Rossing)
Subject: Network Traffic Monitoring
Reply-To: [EMAIL PROTECTED]
Date: Tue, 30 Mar 1999 21:36:04 GMT
I'm running Linux 2.2.2, and I'm using IPChains to allow my internal LAN to
access our direct Internet connection through the Linux system (a dual-homed
firewall).
How can I monitor the traffic passing through the firewall? I'd like to be
able to see what level of traffic is going through at any given moment, and,
if possible, where the traffic is coming from and where it's going.
Thanks!
Eric Rossing
[EMAIL PROTECTED]
------------------------------
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End of Linux-Networking Digest
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