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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: Tue, 11 Oct 94 17:14:46 EDT
Subject: Linux-Admin Digest #176
Linux-Admin Digest #176, Volume #2 Tue, 11 Oct 94 17:14:46 EDT
Contents:
Re: Please don't post security holess... (Jinwoo Shin)
Please fix your domain! ("PAUL D. KROCULICK 607.770.3337")
Q. Does Linux need to be the primary partition? (Eric Silberberg)
Re: Linux 1.1.52 is hashing itself to death! (Michael Griffith)
Problems with Current Slackware TeX/LateX (Jamie Wyatt)
Re: my printer does not wrap long line (Kevin Cummings)
VGA256: Cannot read colourmap from VGA (Venant Habiyambere)
motif (Steve Heistand)
Re: SLIP w/Dynamic IP Addresses (Dino Butorac (III rac))
Re: DX2-66 @ 80MHz (was: AMD mystery chip etc. etc.) (Kevin Doherty)
HOstname (none) and What Slack Version (Diane L. Calleson)
TEAC IDE 4x CD ROM (S.hoffar)
Re: NNTP QUESTION (Benjamin John Walter)
Re: Please don't post security holess... (Andy Bailey)
Re: Please fix your domain! (Thomas Koenig)
----------------------------------------------------------------------------
From: jwshin@nitride.EECS.Berkeley.EDU (Jinwoo Shin)
Subject: Re: Please don't post security holess...
Date: 10 Oct 94 09:47:04 GMT
sheela@er7.rutgers.edu (Isis Leslie) writes:
>I'm rather unconfortable with the posting of all of these security holes.
>For a while I was under the impression that this was a no-no, and that
>while sure, posting a "fix" or "work around will tell those in the know
>just what the whole is, at least it makes it a little tougher.
Although I understand your frustrations, I think people SHOULD post detailed
information about wholes that exist. I don't know if you remember, but the
"worm" incident on the internet on the 80's got worse than it should have been
because key usenet/email nodes decided the best way to defeat it was to
disconnect themselves from the net. But they didn't realize that this also
prevented them from receiving very important informations about the worm. The
pointer here is that, yes there will always be these loosers who with malice
try to break into other people's machines, but the best way, as far as I know,
is to educate people about why and what is wrong with the security system, not
just provide ambiguous patches. Things like COPS or any network tracers can be
very dangerous in the hands of the wrong people, but that doesn't mean that
we should eliminate them.
--
Jinwoo Shin jwshin@eecs.berkeley.edu
System Administrator
Berkeley Sensor and Actuator Center
------------------------------
From: "PAUL D. KROCULICK 607.770.3337" <KROCULICK@bng.ge.com>
Subject: Please fix your domain!
Date: 11 Oct 1994 13:14:58 -0400
Reply-To: KROCULICK@bng.ge.com
Recently, I've noticed an increase in postings where the
authors e-mail address is showing up as:
(some name) @myhost.subdomain.domain
or other non-legal Internet addresses. Could you please fix
this problem as soon as possible? If you are able to post
messages, you must have some type of valid address, whether it
passes through a gateway or not. I'm sure that this is an
oversight by some new sysadmin, and not an attempt at deceit.
There was a bit of a controversy a few months ago, when America
On-Line added Internet access to its service. The Internet
old-timers were upset because thousands of people who were naive
in the ways of nettiquette began to flood the Internet. With
competition between Internet service providers lowering prices,
and Linux having stable TCP/IP code, many Linux users are putting
their boxes on the Internet. We must remember to act responsibly
with our machines, because now, instead of practicing poor
nettiquette, we have root privledges, and we could cause some
problems.
SUMMARY: If you're on the net, act responsibly. If you're
clueless, don't put your machine on the net - pay to
be a user on someone else's machine.
Paul D. Kroculick
------------------------------
From: ericds@bu.edu (Eric Silberberg)
Subject: Q. Does Linux need to be the primary partition?
Date: 11 Oct 1994 03:37:23 GMT
I like what I have seen of Linux so far and would like to try it on the side.
Can I install it in some empty space set aside at the end of my drive? Can I use Bootman (os/ two) sorry, no number keys running) and boot into linux. I would just use my dos fat and os-too partitions mounted in the normal way. If it is set as a bootable partition, but not the primary one will it work or just be
confused?
------------------------------
From: grif@corsa.ucr.edu (Michael Griffith)
Subject: Re: Linux 1.1.52 is hashing itself to death!
Date: 11 Oct 1994 17:24:45 GMT
In article <37d1l8$2sd@magus.cs.utah.edu>,
Pete Kruckenberg <kruckenb@sal.cs.utah.edu> wrote:
[deleted]
PK>The interesting thing is how Linux handles things, though. I've got
PK>sendmail set up to refuse connections and queue once the system load
PK>hits 1, which it does with about 8 sendmail sessions running. This is
PK>on a 486DX2-66 with 16MB RAM and a SCSI 1GB HDD. Once the system load
PK>hits about 1.0, Linux starts killing itself by swapping about 75% of
PK>the time. The utilization shows about 25% CPU, 75% System, 0 or 1%
PK>user, and 0 or 1% idle. This is with *3* running processes, and
PK>something like 50 idle (of which about 20 are run-able).
PK>
PK>Is this a "function" of Linux, or is there something I can do to help
PK>this situation? In the sendmail book (ORA), it talks about not having
PK>to refuse connections "on newer machines" until the system load hits 8
PK>or even higher. I'd hate to see what my HDD would be doing at 8! Is
PK>this a problem with the ext2fs, or the Linux scheduler, or is my
PK>machine just wimpy, or what?
Sounds like you need more RAM. I have run Linux on a bunch of
different machines from a a 20 Mhz. 386 to a 90 Mhz. Pentium. They
all seem to run much faster with at least 16M of RAM.
--
Michael A. Griffith (grif@cs.ucr.edu)
Department of Computer Science
University of California, Riverside
------------------------------
From: jwyatt@sandman.cosc.brocku.ca (Jamie Wyatt)
Subject: Problems with Current Slackware TeX/LateX
Date: Tue, 11 Oct 1994 13:54:14 GMT
I just installed the latest release of Slackware (2.0.1 I think) and am
having problems with LateX/TeX. In particular dvips. First time through
I only installed what I needed. I re-installed again this time installing
everything (to play it safe).
Basicall, it looks like dvips is not finding any fonts and when it
run Make...PK it fails on every font.
I thought I would ask first before I go throught the hassle of starting
from scratch and installing myself. All the fonts seem to be in place
and latex has no problems assemling my document.
Jamie
--
-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
Jamie Wyatt
Networked Systems Administrator
Dept. Computer Science
Brock University
St. Catharines, Ontario, L2S 3A1
jwyatt@sandman.cosc.brocku.ca
------------------------------
From: cummings@hammer.westboro-ma.peritus.com (Kevin Cummings)
Subject: Re: my printer does not wrap long line
Date: Wed, 5 Oct 1994 20:33:48 GMT
In article <1994Sep27.202041.341@kphunix.han.de>, joerg@kphunix.han.de (joerg) writes:
> XiaoFei Wang (xiaofei@gasa.physics.buffalo.edu) wrote:
> >I do not know if it is a linux question or not, the problem is
> >my printer -- HP laserjet III -- does not wrap long lines when
> >printer ascii files. What to do?
> [erased]
> >Where the filter is
>
> >#!/bin/sh
> ># Filter for HP printers to treat LF as CRLF
> ># the ``echo -ne'' assumes that /bin/sh is really bash
> >echo -ne \\033\&k2G
> >cat
> >echo -ne \\f
>
> It seems that you have to insert the line
> "echo -ne \\033\&s0C"
> just before "cat". I read it in the
> manual for my deskjet but it should work for the laserjet
> too, as ist is HP PCL.
And you have to do it after every time the printer gets a software reset.
A bit tricky if you want to have the same printer configuration work for
DOS and Linux at the same time. I have a set of configuration switches on
my DJ550C that can select the CR/LF interpretation at reset time. I leave
it in DOS mode, then I send a reset string during system startup, and I
modified the output filter that LPR uses to send the same string after it
decides to do a reset (like after sending a postscript file, before it returns
to text mode). Does the LJ printer also have these configuration switches?
If you only run under Linux, you can configure the printer for Linux and
not worry about it anymore. If you want Linux and DOS to share, then
you need a more complicated solution.
--
Kevin J. Cummings Peritus Software Services, Inc.
cummings@kjc386.framingham.ma.us cummings@peritus.com
------------------------------
From: habi@bauv111.bauv.unibw-muenchen.de (Venant Habiyambere)
Crossposted-To: comp.os.linux.help,comp.os.linux.development
Subject: VGA256: Cannot read colourmap from VGA
Date: 10 Oct 94 09:07:37 GMT
llo,
I have :
System Linux 1.0 ,Xfree86-2.1
videocard TSENG ET 4000
driver VGA256 (8-bit colour SVGA)
video Nec MultiSync 6FG
whenn i switch back from Xwindows to console, i got this message:
VGA256: Cannot read colourmap from VGA. Will restore with default.
And whenn i switch back from console to XWindows my Xserver
is corrupted. It seems there are no colors.
Any suggestions?
==================================================================
Venant Habiyambere,
University of the armed forces, Munich
habi@bauv.unibw-muenchen.de
------------------------------
From: heistand@iastate.edu (Steve Heistand)
Subject: motif
Date: 5 Oct 94 21:11:32 GMT
I am looking to purchase motif for linux, any ideas where I
can get it from?
steve
=-------------------------------------------------------------------------=
= Steve Heistand Email: heistand@scl.ameslab.gov =
= =
= Scalable Computing Lab Phone: (515) 294-1918 =
= 237 Wilhelm Hall Fax : (515) 294-4491 =
= Iowa State University Home : 227 Hyland Ave Ames, Ia 50014 =
= Ames Ia 50011 (515) 292-8445 =
= =
= www: http://www.physics.iastate.edu/cfd/people/heistand/heistand.html =
= =
= If I knew what I was doing then it wouldn't be called RESEARCH! =
=-------------------------------------------------------------------------=
--
=-------------------------------------------------------------------------=
= Steve Heistand Email: heistand@scl.ameslab.gov =
= =
= Scalable Computing Lab Phone: (515) 294-1918 =
= 237 Wilhelm Hall Fax : (515) 294-4491 =
= Iowa State University Home : 227 Hyland Ave Ames, Ia 50014 =
= Ames Ia 50011 (515) 292-8445 =
= =
= www: http://www.physics.iastate.edu/cfd/people/heistand/heistand.html =
= =
= If I knew what I was doing then it wouldn't be called RESEARCH! =
=-------------------------------------------------------------------------=
------------------------------
From: dinob@zems.etf.hr (Dino Butorac (III rac))
Subject: Re: SLIP w/Dynamic IP Addresses
Date: 9 Oct 1994 14:47:44 GMT
Matija Nalis (nalis@srce.hr) wrote:
: Tony Schwartz (tony@teleport.com) wrote:
[deleted]
: : with a provider that allocated dynamic IP addresses, please send a copy over.
: If you use slackware distribution, you'll have sample.dip in /etc
: directory... That's it. Also, there is example in Networking.FAQ...
Hm, /etc/sample.dip in my Slackware distribution shows only for static
allocations, like the Networking.FAQ too...
--
Dino Butorac
dinob@zems.etf.hr
------------------------------
Crossposted-To: comp.sys.ibm.pc.hardware.systems,comp.os.linux.misc
From: doherty@coolpro.melpar.esys.com (Kevin Doherty)
Subject: Re: DX2-66 @ 80MHz (was: AMD mystery chip etc. etc.)
Date: Tue, 11 Oct 1994 13:52:11 GMT
In <1994Oct11.090558.12780@ka4ybr.com> mah@ka4ybr.com (Mark A. Horton KA4YBR) writes:
>Perhaps one of those Peltier Junction devices would fit?
> Just a thought.
Just buy one 'o those small 1-2 cubic foot refrigerators and modify it
into a PC enclosure. That way, your WHOLE machine runs cooler, and you
have someplace for beer besides.......
This is only half a joke, BTW - I actually considered doing this to try
to get my (Intel) DX2-66 to run at 100 MHz. It runs fine at 80; when I
try to speed it up more the external cache fails. Chips run faster at
the cooler end of their environmental range, by a factor of 20% or more.
Another way to speed things up is to crank the voltage up a bit. 5V chips
often work fine up past 7V; works fine in the lab, though I'm hesitant to
do it to my machine at home. Heat becomes an even worse problem as well.
(I know the above from job-related testing of standard commercial devices
in liquid nitrogen. At -200 C we would routinely get a 2X improvement in
device speed.)
PS: Ran some benchmarks on my nominally 80 MHz machine; I saw only a 6%
speedup in CPU-intensive tasks. This implies that I'm RAM limited, not
CPU limited. BUT my video performance went up 16%; I suspect because my
VLB is running at the new bus rate.
--
===============================================================================
Kevin Doherty E-Systems/Melpar Division kdoherty@melpar.esys.com
Principal Engineer Ashburn, VA 22011 (703) 729-6000x3675
------------------------------
Crossposted-To: comp.os.linux.help
From: dc3i@fermi.clas.Virginia.EDU (Diane L. Calleson)
Subject: HOstname (none) and What Slack Version
Date: Tue, 11 Oct 1994 18:32:12 GMT
HI,
OK... here is the question!
I don't seem to have a "network node hostname"
ie. if I enter the "uname -a " command I get
Linux (none) 1.0 #2 Sat Apr 2 03:15:37 CST 1994 i386
BTW , WHAT Version of Linux am I on? I don't seem to be able to
tell iff I am using the Slackware 2.0 or not.
So right now my "network node hostname is (none).
This is different from /etc/HOSTNAME which I have set to 'home.calleson.com'
and it is also in my /etc/hosts file.
Someone mentioned that there were two different versions of hostname/domainname
that are installed with Slackware 1.0 and Slackware 2.0...
Can someone who knows what is going on please expound on this?
Thanks
The reason I need to have a network node hostname is so I can
run slip ! right now everytime I enter the DIP command I get
the response '(none): host name lookup failure
THANKS FOR ANY AND ALL HELP!
--
Diane L. Calleson calleson@virginia.edu
Computer Systems Administrator
UVA Dept. of Economics-Rouss Hall B12 UVA Dept.of Mathematics-MAB 127
924-3539 924-3774
------------------------------
From: szhoffar@dale.ucdavis.edu (S.hoffar)
Subject: TEAC IDE 4x CD ROM
Date: 11 Oct 1994 05:24:12 GMT
Ok, I wanted to buy the new Teac quad speed drive, but apparently
Linux isn't supporting it(Called SSC today). I was wondering if anyone
says otherwise, or if someone knows forsure that their is a driver being
worked on. I believe that the CD player usually get interfaced through a
sound card. I wanted to run linux off it....can someone help! :)
thank you,
Sally
------------------------------
From: ben@tsunami.demon.co.uk (Benjamin John Walter)
Subject: Re: NNTP QUESTION
Date: Wed, 5 Oct 1994 21:16:13 +0000
: I have a problem installing news. Everytime, when I am trying to connect
: to my host through nntp port, Host is kicking me out:
: telnet atsbbs 119
: ...
: 502 atsbbs NNTP server can't talk to you. Goodbye.
: Could anybody advise on this problem, pls?
Sure, you need to create the file /usr/local/lib/news/nntp_access.
You might need to make the /usr/local/lib/news directory first, too.
To allow access from your local host, you might have a nntp_access
file like this:
localhost read post
I think if you try a man nntpd, you'll probably get information on
this file format...
peace, Ben
--
__ _
/ / (_)__ __ ____ __
/ /__/ / _ \/ // /\ \/ / . . . t h e c h o i c e o f a
/____/_/_//_/\_,_/ /_/\_\ G N U g e n e r a t i o n . . .
------------------------------
Subject: Re: Please don't post security holess...
From: bailey9@muvms6.wvnet.edu (Andy Bailey)
Date: 11 Oct 94 02:19:15 EDT
In article <CxGoqx.FE2@utnetw.utoledo.edu>, ddelsig@uoft02.utoledo.edu writes:
>>Oh, criminals. Give me a break. The criminals are the ones that mess with
>>things. I consider myself a (wannabe, at least) hacker in the original
>>sense, and in HS was a "hacker" in the new sense. I never altered
>>ANYTHING. I got in, to get in, or to use a compiler. Nothing criminal about
>>that (except in the eyes of the law.) Penetrating the security of a
>>computer system is totally harmless in and of itself. It's the defacing
>>of what one finds, or the spreading of info that are the problems, and
>>have made folks so paranoid they 'throw the book' at anybody who pokes around
>>a little.
>
> [Chomp]
>
> Yeah, and I guess it's alright to break into somebody's house to watch TV, or
> use the phone (local calls only, of course), or take a nap on the couch. As
> long as you don't deface anything. But those darn eyes of the law...
>
> Look, people set up security on their systems because they don't want
> unauthorized users ("nice" or not) on their systems. And these people have a
> right to have their systems left alone. When you break into their systems, you
> are violating their rights, as well as breaking the law. In fact, that's why
> the laws exist, not to piss you off, but to protect people who want to be left
> alone. When you violate their rights, you deserve to have the book thrown at
> you, as much as a person breaking into a house does.
>
> This goes for any system, whether a one man operation, or a large corporation.
> People have a right to say who is allowed on their system, and who isn't. I
> don't see how you can claim to have a right to break into a system.
>
> Just 2 more cents,
>
> Dave
I guess you _could_ say that CPU cycles are being stolen by people who
"borrow" your system's services in the way the "hacker" mentioned.
make it .04$ now :)
------------------------------
From: ig25@fg70.rz.uni-karlsruhe.de (Thomas Koenig)
Subject: Re: Please fix your domain!
Date: 11 Oct 1994 19:43:11 GMT
Reply-To: Thomas.Koenig@ciw.uni-karlsruhe.de
PAUL D. KROCULICK 607.770.3337 (KROCULICK@bng.ge.com) wrote in comp.os.linux.admin,
article <37eh6i$rin@senator-bedfellow.MIT.EDU>:
>Recently, I've noticed an increase in postings where the
>authors e-mail address is showing up as:
> (some name) @myhost.subdomain.domain
This is from people who've installed C news (probably by accident)
and who haven't updated /usr/lib/newsbin/newshostname (or whatever,
I don't run C news myself ;-)
--
Thomas Koenig, Thomas.Koenig@ciw.uni-karlsruhe.de, ig25@dkauni2.bitnet.
The joy of engineering is to find a straight line on a double
logarithmic diagram.
------------------------------
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End of Linux-Admin Digest
******************************