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From: Digestifier <Linux-Admin-Request@senator-bedfellow.mit.edu>
To: Linux-Admin@senator-bedfellow.mit.edu
Reply-To: Linux-Admin@senator-bedfellow.mit.edu
Date: Thu, 29 Sep 94 09:14:26 EDT
Subject: Linux-Admin Digest #118
Linux-Admin Digest #118, Volume #2 Thu, 29 Sep 94 09:14:26 EDT
Contents:
ftp freeze problems (Craig Tavener)
dosarch tape drive on linux??? (Craig Tavener)
Re: c++ problem with Slackware 2.0 distribution (Gareth Webber)
Re: Smail on Linux. Was: Smail has intermittent fits (Jon Peatfield)
Term problems (Bryan Wright)
Kernel 1.1.45 and X Weirdness with talk and more (Daniel M. Coleman)
Kernel 1.1.45 and X Weirdness with talk and more (Daniel M. Coleman)
Enabling Dial-In to my Linux system. (Kurt Schafer)
Re: linux+slip+bootp. How? (James Harper)
Just a test, please ignore ... (Lencse Zsolt)
Re: Special Sale On QNX! (Brad Hull)
Re: X-windows (Richard B Munn)
Re: Keyboard help (Andries Brouwer)
Re: 80x50 screen (Andries Brouwer)
Re: DOOM DOOM DOOM DUMB DUMB DUMB! (benny@hgs.se)
Re: BUG: Linux <--> Cisco (Matthew S. Crocker)
Re: Linux NOT logging people out on hangup (Bart Kindt)
----------------------------------------------------------------------------
From: craig@chem.chem.wits.ac.za (Craig Tavener )
Subject: ftp freeze problems
Date: Tue, 27 Sep 1994 11:37:59 GMT
I've got linux (Slackware2.0) recently installed on a 468-66. It has an
ethernet card and is networked to Novell and and UNIX. When ftp/telnetting
from linux to elsewhere things generally work well. However, when trying to
ftp into the linux machine (most notably from the novell network) the
session frequently freezes. Pressing cntl-C returns the ftp prompt, but the
last action ends up being truncated. A good example of this is a file
transfer. All packet but the last one get through. Then it freezes and the
last packet it lost.
Does anyone have any idea what is going on here?
------------------------------
From: craig@chem.chem.wits.ac.za (Craig Tavener )
Subject: dosarch tape drive on linux???
Date: Tue, 27 Sep 1994 11:49:48 GMT
I've got a tape Shuttle that runs DOSARCH on MS-DOS machines to back up
data. I'd like to use it to back up data from linux as well. The tape
shuttle is simply called "tape shuttle 525" and it has both SCSI III and
parallel connectors. The parallel connector is generally used with DOS
machines, and since my linux machine doesn't have a SCSI port I'd like to
use the parallel port.
Is there any way I can use this to back up data from linux?
If possible I'd like to use the same format (?) as Dosarch does on MS-DOS.
------------------------------
From: gpw1000@cus.cam.ac.uk (Gareth Webber)
Subject: Re: c++ problem with Slackware 2.0 distribution
Date: 27 Sep 1994 12:02:38 GMT
Peter Tieleman (tieleman@chem.rug.nl) wrote:
: Hello,
: An example of what happens:
: #include <math.h>
: #include <stdio.h>
: main(){
: float x;
: x = cos(3.14);
: printf("Hallo");
: }
: gcc -o test test.cc
: /tmp/cca041071.o: Undefined symbol _cos referenced from text segment
Link with the maths library !! Add -lm to get gcc -o test test.cc -lm
gary...
------------------------------
From: J.S.Peatfield@amtp.cam.ac.uk (Jon Peatfield)
Crossposted-To: comp.mail.smail
Subject: Re: Smail on Linux. Was: Smail has intermittent fits
Date: 28 Sep 1994 22:27:48 GMT
> > First, and ABSOLUTELY critical: (if you skip the rest of this
> >post, at least read this!!) Put the line:
> >-smtp_debug
> >in your /usr/lib/smail/config file. It turns off SMTP debugging,
> >which can give an unauthorized user access to run commands on your
> >machine (probably as user nobody, but remember that smail runs as
> >root.)
>
> How? I read the source when I first heard this long ago, and
> couldn't see how this is possible?
This misunderstanding probably comes from the fact that sendmail DEBUG
mode allowed remote execution of commands (worm etc) but smail's debug
mode simply allows to to specify the verbosity of it's commentry on
what it is doing. I've pretty carfully checked through the smail
source and can't see anywhere where having the DEBUG on causes any
problems.
<Sigh>
-- Jon Peatfield (postmaster@amtp.cam.ac.uk)
--
Jon Peatfield, Computer Officer, the DAMTP, University of Cambridge
Telephone: (+44 223) 3-37852 Mail: J.S.Peatfield@amtp.cam.ac.uk
Friends don't let friends use PP. PP: Just say NO.
------------------------------
From: bryan@elvis.phys.virginia.edu (Bryan Wright)
Subject: Term problems
Date: Tue, 27 Sep 1994 21:03:21 GMT
Hi Folks,
I'm having a tough time setting up 'term'. When I run linecheck,
I get the following output (stderr) on the local and remote machines:
Local machine Remote machine
============= ==============
Handshaking Handshaking
Handshaking sucessful
0 sending char
After that, both linechecks hang. I start the remote linecheck as:
$ linecheck 2> /tmp/linecheck.remote
and the local linecheck as:
$ linecheck < /dev/modem > /dev/modem 2> /tmp/linecheck.local
When the remote linecheck first starts, it spits out an 'A' on the screen.
As soon as the local linecheck starts up, the remote linecheck spits out:
B
0 ABC
on the screen.
The problem seems to lie with the remote machine. Both remote and
local machines are PCs running Linux. If I make a connection to a remote
machine running Ultrix (via the same route) everything works fine.
A similar problem seems to afflict file transfers via 'sz' from the remote
system. In this case the locally-running 'rz' creates a new, zero-length
file then hangs, waiting for data. As with term, the problem goes away
when the remote host is a DECstation running Ultrix.
Here's a description of the local and remote systems:
Gateway 4DX2-66V
Linux 1.0, 1.09 or 1.50 (same results with all)
Term 1.08
'setserial -a /dev/modem' yields:
/dev/modem, Line 1, UART: 16550A, Port: 0x02f8, IRQ: 3
Baud_base: 115200, close_delay: 50, divisor: 0
Flags: spd_normal skip_test
Same reults with a 14.4 kilobaud internal modem and a 2400 baud external modem.
Seyon 2.14b or minicom 1.5beta (same results with both)
Connection to the remote machine is made via a dial-in line connected to a
Cisco terminal server.
Does anyone have any suggestions?
Thanks in advance,
Bryan
--
===============================================================================
Bryan Wright |"If you take cranberries and stew them like
Physics Department | applesauce, they taste much more like prunes
University of Virginia | than rhubarb does." -- Groucho
Charlottesville, VA 22901 |
(804) 924-6814 | bryan@sphinx.phys.virginia.edu
===============================================================================
------------------------------
From: dcoleman@mail.utexas.edu (Daniel M. Coleman)
Crossposted-To: comp.os.linux.help
Subject: Kernel 1.1.45 and X Weirdness with talk and more
Date: 27 Sep 1994 22:16:25 GMT
I upgraded to the 1.1.45 kernel, and noticed that more and talk only seem to
respond to keypresses in groups of 4,.. i.e. if I were to type the word test
nothing would appear on screen until I typed the last 't', and then the whole
word test would appear. This only happens when running X (xfree 2.0, mach 32
server.) Has anyone else noticed this strange phenomenon, and found a
solution????
Thank you very much,
Dan
--
Daniel Matthew Coleman | Internet: dcoleman@mail.utexas.edu
===================================+ DECnet: UTXVMS::DCOLEMAN
The University of Texas at Austin | IRC: Shiner
Electrical/Computer Engineering | "Sure thing, Giant Beer!"
------------------------------
From: dcoleman@mail.utexas.edu (Daniel M. Coleman)
Crossposted-To: comp.os.linux.help
Subject: Kernel 1.1.45 and X Weirdness with talk and more
Date: 27 Sep 1994 22:24:09 GMT
I upgraded to the 1.1.45 kernel, and noticed that more and talk only seem to
respond to keypresses in groups of 4,.. i.e. if I were to type the word test
nothing would appear on screen until I typed the last 't', and then the whole
word test would appear. This only happens when running X (xfree 2.0, mach 32
server.) Has anyone else noticed this strange phenomenon, and found a
solution????
Thank you very much,
Dan
--
Daniel Matthew Coleman | Internet: dcoleman@mail.utexas.edu
===================================+ DECnet: UTXVMS::DCOLEMAN
The University of Texas at Austin | IRC: Shiner
Electrical/Computer Engineering | "Sure thing, Giant Beer!"
------------------------------
From: kurt@ramsey.cs.laurentian.ca (Kurt Schafer)
Subject: Enabling Dial-In to my Linux system.
Date: 26 Sep 1994 20:53:56 -0400
I am trying to enable dial in access to my linux box here at home. I printed
out the README for getty_ps and as per the file I changed my inittab and
gettydefs as I felt appropriate.
The verdict ? I try calling from my other line and it doesn't pick up.
This is the deal.
my modem is on COM1 (under DOS) and is a USRobotics Courier Dual Standard
(16.8k bps HST speed, 14.4k bps v32bis)
If somebody could either send me the appropriate config files or some
meaningful insight on getting this going I would appreciate it.
Thank you.
.
------------------------------
Crossposted-To: comp.os.linux.development
Subject: Re: linux+slip+bootp. How?
From: loon@ironbark.ucnv.edu.au (James Harper)
Date: 28 Sep 1994 12:34:43 GMT
Sowmya Raman (raman@ewl.uky.edu) wrote:
: Iam trying to use bootpc on my linux box to get an valid ip over SLIP and I am
: running into some problems. First of all the ioctl SIOCGIFADDR fails to get
: hardware address obviously because its a slip connection I am trying to
: make. I tried commenting out the ioctl and tried again and now I get my ip
: as 127.0.0.1.
: My questions are
: (1) Does the bootp client on linux work with slip connections?
tried it and couldn't do it, think that was because the slip connection doesn't
have an ethernet address (ie in the form xx:xx:xx:xx:xx:xx). the reason i
was trying it was to get a computer to telnet in, the computer was local so
I tried it with plip which does have an ethernet address type setup but
still couldn't get it working. I did end up getting it working using rarp tho
and maybe that would work over slip???
: (2) Is there any RFC that deals with slip and bootp?
: (3) Has anybody successfully used bootpc over SLIP connections?
LOON
------------------------------
From: lencse@math.klte.hu (Lencse Zsolt)
Subject: Just a test, please ignore ...
Date: 28 Sep 1994 15:51:41 GMT
Reply-To: lencse@math.klte.hu
Sorry, this is just a test
Zsolt
------------------------------
Crossposted-To: comp.os.linux.admin
From: bhull@renoir.cftnet.com (Brad Hull)
Subject: Re: Special Sale On QNX!
Date: Thu, 29 Sep 1994 00:22:10 GMT
rgollent@force.stwing.upenn.edu (Roman Gollent) writes:
>scheidel@gate.net wrote:
>: QNX 4.21 represents the culmination of over a decade of research and
>: experience with an installed base of over 250,000 microkernel, message-
>: passing QNX operating systems world-wide. QNX combines the function-
>: ality and flexibility of a research-calibre OS with the robustness and
>: performance of a commercial OS! And, it's fast!
>Never heard of it, don't care to know about it.
>Roman
That's certainly a provincial attitude to take about it. I, on the other
hand, have heard plenty about it, almost all inferior. The system is not
standard enough to port 1/10th of the stuff we love Linux for, according to
those I have heard from. So if you want a nearly-real-time fast unix that is
too nonstandard to use any but the vendor-supplied tools on, feel free but
don't come here for sympathy.
I stand ready to accept flames since I too have not actually used QNX, but
only accepted second-hand info on this.
------------------------------
From: munn@ug.cs.dal.ca (Richard B Munn)
Subject: Re: X-windows
Date: Thu, 29 Sep 1994 11:15:58 GMT
s010dls@alpha.wright.edu wrote:
: When Linux boots I see this:
: Welcome to Linux 1.1.18.
: hostname login:
: and it waits for someone to login. This is fine, but I would rather
: have Linux boot into X and show somekind of dialog box prompting for
: login id and password. I don't need a window manager running or
: anything. Actually, I'd rather not have one running and let the
: ~/.profile load one.
: My attempt:
: I modified /etc/rc.d/rc.local and added the line
: xinit -position =+100+150 -e login
: I think it's -position, but I forget. If not, it's whatever does that.
: This works, but when the user logs in and enters 'mwm&', it says display
: not found.
: Attempt #2:
: Modified /etc/rc.d/rc.local and added the line
: startx
: Then I added a login command to the root menu in the system.mwmrc to run
: a xterm -e login. This worked fine, but if the user asks for a generic
: xterm, they get a window with a root account! In addition, the .mwmrc
: file in the user's home directory is ignored (because mwm is already
: running).
: The results are the same with every window manager I tried (mwm, fvwm,
: olwm, etc.). Also when the user logs out with the above attempts, X
: exits and goes back to the name login: prompt. I simply want it to show
: the 'login dialog box' again.
Have you considered using the X Display Manager (xdm)?
Xdm provides services similar to those provided by init, getty
and login on character terminals: prompting for login name
and password, authenticating the user, and running a session.
To start a xdm session simple type "xdm" at your command prompt.
------------------------------
From: aeb@cwi.nl (Andries Brouwer)
Subject: Re: Keyboard help
Date: Thu, 29 Sep 1994 11:23:21 GMT
s010dls@alpha.wright.edu () writes:
: I would like to 'map' some keys on my keyboard, but I don't know how.
: Here's what I'd like them to do:
: DELETE -: ^D
: HOME -: ^A
: END -: ^E
: BACKSPACE -: ^H
Use loadkeys(1).
------------------------------
From: aeb@cwi.nl (Andries Brouwer)
Subject: Re: 80x50 screen
Date: Thu, 29 Sep 1994 11:47:15 GMT
s010dls@alpha.wright.edu () writes:
>Is there a way to use 80x50 text mode in Linux? I have a ATI mach32
>card, and I know it is capable of this.
Last Sunday evening I made console resizing as an application
of dynamic virtual console allocation. Hope to put kbd-0.88
on funet tomorrow or so.
It works like this: (i) get svgalib, compile and put the program
restoretextmode in your path. (ii) get (by whatever means, e.g.
by rebooting linux with vga=ask in the lilo config file, or by
using something under dosemu) the console video in the desired
state(s), and say "restoretextmode -w file" to store the state
of the video hardware. (iii) After this preparation you can at
any moment change the console size by saying something like
"resize 50x80". The program resize will reallocate console
screen memory for all virtual consoles, send a SIGWINCH to
all programs involved, call "restoretextmode -r file" to set
the video hardware, and call "setfont font" to get reasonable
characters. For me it works beautifully.
So, it seems that this replaces the question "Can I get 50x80
text mode under Linux?" by "Can I get the video hardware into
50x80 text mode?".
------------------------------
From: benny@hgs.se
Subject: Re: DOOM DOOM DOOM DUMB DUMB DUMB!
Date: 29 Sep 1994 12:07:51 GMT
Mark A. Horton KA4YBR wrote in article <1994Sep28.154531.26767@ka4ybr.com> :
>
>Please accept my most profuse aplogies for misunderstanding the cosmic
>significance of this port of a PC game to the Linux operating system.
^^^^^^^
Just to make things worse, wasn't doom first developed for NeXT ? :)
- Benny -
------------------------------
From: matthew@crocker.com (Matthew S. Crocker)
Subject: Re: BUG: Linux <--> Cisco
Date: 29 Sep 1994 12:12:13 GMT
Alexander Terczka (alext@track.cslab.tuwien.ac.at) wrote:
: I have the following problem,
: A telnet session, or any tcp session like uucico or rlogin, from a
: cisco 2500 router (it happens with other cisco devices too) is
: hanging when sending large packets to linux pcs. I have thrown
: out the 3com etherlink iii cards and replaced them with ne2000,
: replaced the pcs, replaced the cabling, tried all sorts of kernels
: from 1.0.9 to 1.1.50.
: Steps to reproduce:
: 1)Telnet to a cisco
: 2)Telnet to a linux pc (from the cisco)
: 3)login and run a "ps aux" or anthing that produces *fast* text output
: 4)if it locks (and it probably will if you repeat the process often enough)
: Hit CTRL-6 and then X (Cisco's esc sequence??) When you hit return to
: resume your session, the rest ouf your output will be displayed.
Hmm, i did this didn't have a hint of a problem...
My setup,
P5-90 running Linux-1.1.51
3c509 combo in BNC mode
1 user on at the moment (me)
CICSO 2501 + 16MB RAM upgrade
rmc1:# telnet gateway
gateway# rlogin rmc1
rmc1:# ps aux ; ps aux ; ps aux ; ps aux ; ps aux ; ps aux ; ps aux
(and while these are running I <uparrow-return 5 more times)
for a total of 35 ps -aux in a row
not a single problem.
Our CISCO has been up for over a month (since it was installed, and it
works perfectly) we have been receiving a full news feed & I have
been ftping at 50+K/s (thats kiloBYTES not kilobits) for ever and
everything works.
right now I'm dialed into the network using USR 28.8k modems & a
Livingston Portmaster 2e all connected to the same ethernet segment as
the router & the machines.
: I talked to a guy in the us via IRC today, who has similar cisco
: equipment, and is experiencing the same problems.
Whelp, I will gladly hammer my system for you, if you want to throw
any test my way, it's been workin' like a charm for me...
My hardware
CISCO 2501 + 16 MB RAM
1 ethernet port (connected to my local net)
2 serial ports (1 connected to T1 to sprintlink) (1 not connected
*yet*)
Terminal Server
Livingston Portmaster 2e 20 Ports
1 ethernet port (connected to my local net)
20 serial ports (11 connected to USR 28.8k modems running at 115200
lock bit rate)
Host machine
P5-90 ISA/PCI (GW2K P5-90 tower)
40 MB RAM
1 GB IDE
AHA1542CF / ISA
2.1 GB Segate Barracuda SCSI-2F
ATI mach64 / PCI
PS/2 style mouse
3c509 combo /ISA (using BNC connecter)
News machine
486-66 ISA/VL-BUS
540 MB IDE
340 MB IDE
AHA1542CF / ISA
2.1 GB Seagate Barracuda SCSI-2F
2.1 GB Seagate Barracuda SCSI-2F
ATI mach32 / VL
3c509 combo /ISA (using BNC connector)
Well, thats All I have on my local net, I'm using mail-order ethernet
cables (Inmac blue 9 meters each) & Radio-shack BNC-T connectors.
everything has been working like a charm for the last month (when I
put everything together)
-Matt
--
-Matthew S Crocker "The mask, given time, comes
mcrocker@crocker.com to be the face itself." -anonymous
*OS/2*OS/2*OS/2*OS/2*OS/2*OS/2*OS/2*OS/2*OS/2*OS/2*OS/2*OS/2*OS/2*OS/2*OS/2*
*linux*linux*linux*linux*linux*linux*linux*linux*linux*linux*linux*linux*
------------------------------
From: bart@dunedin.es.co.nz (Bart Kindt)
Subject: Re: Linux NOT logging people out on hangup
Date: Fri, 30 Sep 1994 07:55:34 GMT
In article <35v2rt$n85@charnel.ecst.CSUChico.EDU> spade@rocko.lab.csuchico.edu (John Spade) writes:
>Path: otago.ac.nz!canterbury.ac.nz!waikato!ames!agate!howland.reston.ans.net!gatech!newsxfer.itd.umich.edu!zip.eecs.umich.edu!yeshua.marcam.com!charnel.ecst.csuchico.edu!rocko.lab.csuchico.edu!spade
>From: spade@rocko.lab.csuchico.edu (John Spade)
>Newsgroups: comp.os.linux.admin
>Subject: Linux NOT logging people out on hangup
>Date: 23 Sep 1994 17:22:05 GMT
>Organization: California State University Chico, BSS
>Lines: 12
>Message-ID: <35v2rt$n85@charnel.ecst.CSUChico.EDU>
>NNTP-Posting-Host: rocko.lab.csuchico.edu
> I can't find this in a FAQ so... I need to find a way to
>get linux to log people out on hangup. If a user hangs up the modem
>line, and there is a program that is running, linux doesn't kill it.
> My worst example is when people are using telnet via gopher.
>They hang up and gopher telnet bombs the site it was connected to so
>people have a hard time logging into the remote site. (Our little
>486 shut down the telnetd on the faculty Mini)
> Anyway, I have a cron script that kills most of them, but it
>would be nice if there was a built in solution. Thanks.
>--
>spade@rocko.lab.csuchico.edu "Quality, Service, Price...
>spade@ecst.csuchico.edu Pick any two..."
We have had lots of problems with the Sliplogin program here: When a user
disconnected, in some situations the program would not kill itself. The fault
is in the: close() function, which does sometimes not return. I have tried up
to kernel 1.1.50. I have written a patch in the source of sliplogin, which
kills the program after 15 seconds, if close(0) does not return. However,
this must be a Kernel problem.
Bart.
====================================================================================
Bart Kindt (ZL4FOX) System Operator, Efficient Software NZ LTD, Dunedin, New Zealand
====================================================================================
------------------------------
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End of Linux-Admin Digest
******************************