Linux-Misc Digest #181, Volume #20 Thu, 13 May 99 06:13:07 EDT
Contents:
special video card request ("Gunther Huygens")
Re: FreeBSD vs. Linux vs. Windows (Matt Dillon)
Re: glib compiling&pthreads ("David E. Kahana")
Re: Eudora-like mail program for linux? (With Filters etc) (Michael Powe)
Re: display flickers nonstop (Mark Tranchant)
Re: GNU reeks of Communism (returning to %252522GNU Communism%252522) (Jon Skeet)
cdrecord problem
Need input on new Linux based Router ([EMAIL PROTECTED])
Re: Help Again - Copy problem (John)
Re: WARNING: terminal is not fully functional ??? (Jon Skeet)
Re: RedHat price... (Oliver Flimm)
Re: quicktime (Jon Skeet)
Re: New user needing help (Alex Lam)
Re: Help Again - Copy problem (Mihaly Gyulai)
Re: Telnet to WINE/Linux App Server Running Office97 (Jon Skeet)
Re: kernel too large, what now? (David Steuber)
Re: Accessing Windoze drives (Mihaly Gyulai)
Re: *.tgz ("John E. Garrott")
Re: Redhat 6.0 broken? (Oleg Letsinsky)
Re: Pro-Unix vs anti-WinTel (Oleg Letsinsky)
----------------------------------------------------------------------------
From: "Gunther Huygens" <[EMAIL PROTECTED]>
Subject: special video card request
Date: Sat, 1 May 1999 10:42:58 +0200
Which of the existing videocard
is able to have PC2TV and:
1) provides images for monitor and PC on the same time
2) Provides possibility to have different windows/outputs on monitor and TV
at the same time
give all the products you know that perform 1)
give all the products you know that perform 2)
Preferably not too expensive. (Linux supported => X )
(I know am asking too much but already have spent hours surfing and haven't
find something that can
help me with this)
I probably will be 0/c cele to 100FSB
What is the difference between Quantum EX en CR?
which HDD good to o/c Quantum, Seagate, IBM ?
Greetings from Flanders
Gunther
------------------------------
From: [EMAIL PROTECTED] (Matt Dillon)
Crossposted-To: comp.unix.bsd.freebsd.misc
Subject: Re: FreeBSD vs. Linux vs. Windows
Date: 10 May 1999 13:55:45 -0700
:In article <7h5dnm$7sc$[EMAIL PROTECTED]>,
:Vernon Schryver <[EMAIL PROTECTED]> wrote:
:>In article <7h4k1i$qpk$[EMAIL PROTECTED]>, Matt Dillon <[EMAIL PROTECTED]> wrote:
:>
:>> ...
:>
:>> It should be noted that as of sendmail 8.6.x or 8.7.x, features submitted
:>> by me were incorporated into the official distribution making it easy
:>> to limit sendmail via the MaxDaemonChildren option. The new feature was
:>> to simply make MaxDaemonChildren apply to queue-run forks as well as to
:>> incoming connections.
:>> ...
:>
:>Are sure it's in 8.9? I don't recall seeing in i 8.6. I'll not argue the
:>point, since it doesn't matter enough to me to go look at the source.
Yes.
:>> Load-based limiting does not work. It never did. The problems with
:>> load-based limits are generally due to the fact that it takes a bit of
:>> time for the load average to react to a situation ( such as an attack ).
:>> By the time it does, the system is already dead.
:>
:>Nonsense!--Load shedding works. Yes, delays in measuring and responding
:>to changes in the load can cause overshoot and oscillations, but there
No, load based limiting does not work. And for a very simple reason:
Attempting to limit things by load results in a cascade failure across
the board. Rather then an attack or a screwup causing one subsystem to
fail, it would cascade and ALL the subsystems would fail. An attack on
SMTP would blow up the webserver, pop, and cron. runaway processes that
shot the load up would blow up SMTP, the webserver, pop, and cron. An
inordinate pop load would blow up SMTP, the webserver, and cron.
The result, in simple terms, was that one little disaster will cascade
throughout the entire system and turn into a huge disaster.
We had similar problems with load-based limiting on dedicated mail,
web proxy, news, and other machines. Not just on multi-use machines.
The problems would occur even though many of these machines were normally
only 50% loaded.
Once we got rid of the load limiting and instituted process limiting,
everything magically righted itself. A blowup in one subsystem no longer
took out the rest. In fact, on the dedicated machines the blowups stopped
occuring entirely. Mail might back-up for a little while once in a blue
moon, but the machine was able to catch up again with no prompting after
the cause was removed. With the old load-limiting crap the machines
could not recover or would take many hours, sometimes even a day to recover.
With process limiting, we've seen runaway processes shoot the machine
load up to 300 without taking down essential services.
This is still true today. The plain fact of the matter is that trying
to regulate anything by machine load is a crock. It couples all the
subsystems together into one monster. One crack and the whole thing goes.
No thanks.
:>It is silly to hope that any kind of load shedding or process limiting
:>can really defend against a denial of service attack. It is easy for a
:>bad guy to start 500 SMTP sessions per second and let each of them rot
:>Vernon Schryver [EMAIL PROTECTED]
You can defend the system against DOS attacks with process limiting
fairly easily. You may not be able to prevent the DOS attack from
making a portion of the system unusable ( e.g. it might reduce mail
operations to a crawl ), but you can prevent a DOS attack from blowing
up the rest of the system and you can certainly prevent a DOS attack
from taking a system down hard. You can configure the system such that
the system is able to recover the moment the attack goes away. This is
the key to handling attacks.
-Matt
--
Matthew Dillon Engineering, HiWay Technologies, Inc. & BEST Internet
Communications
<[EMAIL PROTECTED]> (Please include original email in any response)
------------------------------
From: "David E. Kahana" <[EMAIL PROTECTED]>
Subject: Re: glib compiling&pthreads
Date: Thu, 13 May 1999 03:34:33 -0400
Reply-To: [EMAIL PROTECTED]
pces wrote:
> David E. Kahana wrote:
>
> > I just finished installing glib/gtk 1.2.2, and even though I have pthreads
>installed,
> > the glib/gtk compilation choked on them. I just disabled the threads in configure.
> > Maybe you don't have them installed at all? If so, you want to re-install glibc,
> > and include the linuxthreads package. To disable them you use:
>
> Ack.. I forgot to mention that I'm using libc5 and not glibc.. (side note: I'm
> _REALLY_ tempted in buying the RH5.2 package...I'm using Slackware96
> upgraded to 2.0.36. )
>
> > ./configure -with-threads=none
>
> Do I really need to use pthreads? ie. what happens if I put
> ./configure -disable-threads (or -with-threads=none..or whatever)?
>
> Thanks
It then compiles just fine on my system. It shouldn't matter that you are using libc5
either I think. Threads will not be used in gtk/glib, that's all. I have Slackware
from roughly the same period. I would consider upgrading to 2.2.7 if I were you,
and eventually adding glibc. But don't do it all at once ... it's too much work.
the glibc HOWTO worked for me though.
cheers,
- dave k.
------------------------------
Crossposted-To: comp.mail.misc
Subject: Re: Eudora-like mail program for linux? (With Filters etc)
From: Michael Powe <[EMAIL PROTECTED]>
Date: 13 May 1999 00:52:54 -0700
=====BEGIN PGP SIGNED MESSAGE=====
Hash: SHA1
>>>>> "cpu01" == cpu01 <[EMAIL PROTECTED]> writes:
cpu01> What programs are there for Linux that handle automatic
cpu01> filtering (putting mail in different mailboxes, depending
cpu01> on sender)? Something like Eudora for Windows.
Use procmail to sort your mail. That's what it's for & it's already
installed.
mp
- --
powered by GNU/linux since Sept 1997 Penguin spoken here
[EMAIL PROTECTED] http://www.trollope.org
Michael Powe Portland, Oregon USA
"Would John the Baptist have lost his head if his name was Steve?"
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------------------------------
From: Mark Tranchant <[EMAIL PROTECTED]>
Subject: Re: display flickers nonstop
Date: Thu, 13 May 1999 08:45:07 +0100
Reply-To: [EMAIL PROTECTED]
By "flickers" do you mean a horribly low refresh rate, or that xdm fails
to start, tries again, and repeats ad infinitum?
If the latter, and as it is networked (it's a print server, right?), you
should be able to telnet into it. Log in as root if it'll let you, or as
a normal user then su to root, and run "telinit 3" to return to console
mode. Run "ps aux" and kill all the remaining X processes. Then you can
start to find out what is wrong that stops xdm starting.
Mark.
david letchumanan wrote:
>
> Hi there, I am one of the newbie to Linux and to this site. We have a
>
> Linux PC sitting in a courner as a printserver. We swapped the monitor
>
> without any changing any configuration. It was ok for monre than two
>
> months. Yesterday I did a shutdown now -r on it. It has configured to
>
> start xwindows. It came back upto starting xdm and the display flickers
>
> nonstop. We are unable to do anything to stop this. "Ctrl+Alt+F1" did not
>
> help. We are running s.u.s.e Linux 5.1. We have no boot disk. We need
>
> help getting into the system. PC is running and the printing is fine.
>
> Just the flickering display. Please help!
>
> Davdi L
>
> ------------------ Posted via SearchLinux ------------------
> http://www.searchlinux.com
------------------------------
From: [EMAIL PROTECTED] (Jon Skeet)
Crossposted-To: comp.os.ms-windows.advocacy,comp.os.linux.advocacy,gnu.misc.discuss
Subject: Re: GNU reeks of Communism (returning to %252522GNU Communism%252522)
Date: Thu, 13 May 1999 09:17:46 +0100
[EMAIL PROTECTED] wrote:
> The fact is, I know very few people who have been substantially helped by
> that system, and I know a lot who would be a lot more free to leave their
> current employment if they hadn't had a substantial chunk of their paychecks
> taken away from them for "reemployment insurance" for their entire working
> lives.
Could that not be due to the people you know rather than the system as a
whole? It's equally true for me, but only because the circles I'm in
don't *tend* to include the unemployed (no bigotry here, just social
reality). That doesn't mean the unemployed aren't there, or that they
don't need our help.
--
Jon Skeet - [EMAIL PROTECTED]
http://www.pobox.com/~skeet/
------------------------------
Date: Thu, 13 May 1999 01:57:57 -0400
From: <[EMAIL PROTECTED]>
Subject: cdrecord problem
I'm trying to write an image to a CD-R. When I use
the command 'cdrecord -v speed=2 dev=0,5,0 -data cdimage.raw'
I get the following error;
TOC Type: 1 = CD-ROM
cdrecord: Invalid argument, shmget failed
I assume it thinks my cd-writer is a cd-rom. I've tried
turning the cd-writer off, booting, then turning it on,
but get the same result. I'm using cdrecord 1.6 with a
Philips CDD 2600 cd-writer which is supported. Any ideas
on getting this to write?
Greg
------------------------------
From: [EMAIL PROTECTED]
Subject: Need input on new Linux based Router
Date: Mon, 10 May 1999 21:08:37 GMT
I am a student working on a Marketing Research report and need input on a
cheap home use/small business (linux based) router that is currently
being developed. If anyone can fill out my survey, I would be very
grateful. The survey is posted at http://www.internetgrp.com/survey/
Thanks again!!
--== Sent via Deja.com http://www.deja.com/ ==--
---Share what you know. Learn what you don't.---
------------------------------
From: [EMAIL PROTECTED] (John)
Subject: Re: Help Again - Copy problem
Date: Thu, 13 May 1999 06:01:43 GMT
I did but I get the following message when loading the disk and right
as it loads the RAM disk.
Kernal Panic - No Init Found and then it stops.
On Thu, 13 May 1999 04:56:55 GMT, "Prasanth Kumar" <[EMAIL PROTECTED]>
wrote:
>Boot using a "rescue disk" (which hopefully you created when installing
>Linux) then mount the real root paritition somewhere as read/write and edit
>to your desire.
>
>John <[EMAIL PROTECTED]> wrote in message
>news:[EMAIL PROTECTED]...
>> Well I edited my fstab file through someones request and I did make a
>> backup but the fstab file is destroyed and Linux will not boot past
>> it. I want to copy the fstab.bak to fstab so it will boot. It now
>> says read-only mode. I try cp, mv, etc to copy file and it will not
>> work because of read-only mode. Any help.
>
------------------------------
From: [EMAIL PROTECTED] (Jon Skeet)
Subject: Re: WARNING: terminal is not fully functional ???
Date: Thu, 13 May 1999 10:27:20 +0100
[EMAIL PROTECTED] wrote:
> When I use the command :
>
> less index.html (i get the following error)
> WARNING: terminal is not fully functional
> index.html (press RETURN)
>
> Somehow I have changed the terminal to VT100 or something like that. Can
> someone give me a pointer?
>
> Redhat 5.2 server It has ran fine for 6 months until I changed something.
Try doing "echo $TERM" to find out what it's been set to. Then look in
files like /etc/profile and your own personal startup scripts to see
whether you're setting it there.
When all else fails, you could always do a huge find and grep, using
xargs where necessary (as find will give you too many arguments to put on
the grep command line, if you're searching the whole disk).
--
Jon Skeet - [EMAIL PROTECTED]
http://www.pobox.com/~skeet/
------------------------------
From: Oliver Flimm <[EMAIL PROTECTED]>
Subject: Re: RedHat price...
Date: 13 May 1999 09:34:06 +0200
Hi,
[EMAIL PROTECTED] (Ray) writes:
> I just checked out the price on the newest version of RedHat (6.0),
> and I see that the basic boxed set is going to sell for between
> $75-$80, to which I say, "ARE THEY OUT OF THEIR EVER-LOVING MINDS?!"
> Is there really that much new in 6.0 to justify such an extreme price
> hike? I got 5.2 for $20, for the basic boxed set. That was a good
AFAIK the higher price is related to the extra goodies that are now
part of the distribution and come with the application CD - like
Applixware, IBM ViaVoice and so forth. Unfortunately there is no
shrink wrapped RH6.0 without the appliction CD in the stores for the
usual 40 US$ - you can only get this version directly from RedHat, but
without installation support unlike all prior versions...
Sad, but you can still get RH6.0 directly via ftp or for a few bucks
from CheapBytes. When this may change in the future and there wouldn't
be a free, ftpable version I'll think of switching entirely to Debian.
> Personally, this has dead-set me against getting RedHat 6.0 as my next
> Linux. It'll be Caldera or SuSE for me! Most likely the latter...
I don't see any advantage in 'distribution-hopping' for a single
machine unless your current distribution has major drawbacks. And the
upgradability of RH is one of its major pros - unlike eg. SuSE where
an upgrade usually meant a full reinstall in the last few years (AFAIK
this has changed now). My first RH that I've installed in autumn 1995
was subsequently upgraded an now runs RH6.0 quite happily - no
reinstallation. The same applies to one of my other machines running
Debian.
Regards,
Oliver
--
Oliver Flimm Email: [EMAIL PROTECTED]
CipLab, Institutes of Physics [EMAIL PROTECTED], [EMAIL PROTECTED]
Cologne, Germany WWW : http://www.ph-cip.uni-koeln.de/~flimm
------------------------------
From: [EMAIL PROTECTED] (Jon Skeet)
Subject: Re: quicktime
Date: Thu, 13 May 1999 10:30:21 +0100
[EMAIL PROTECTED] wrote:
> Allan Adler ([EMAIL PROTECTED]) wrote:
>
> : Is there a way to watch quicktime movies under RedHat 5.1 Linux?
>
> : Allan Adler
> : [EMAIL PROTECTED]
>
> Disclaimer: I haven't tried the following....
>
> Under Windows, I used to hate the Quicktime app so I changed the
> extensions of Quicktime files to .avi and they ran find under
> whatever I was using to view .avi files (I forget what it was, it's been
> a long time since switching to linux). Now, Xanim handles .avi very well,
> so maybe just changing extensions will work under linux using
> Xanim. I would have tested it myself, but I don't have any
> Quicktime files to test.
I very much doubt that this would work. I'm guessing it may have been
mediaplayer which played the quicktime movies. You'd have been able to
play them if you'd launched mediaplayer yourself and opened the qt files
from there. Mediaplayer will (I certainly hope!) get the content type
from the magic numbers and headers of the file rather than just the
filename. I suspect Xanim will do the same. If Xanim can't cope with .qt
files, I doubt whether it can cope with .qt files which are renamed...
--
Jon Skeet - [EMAIL PROTECTED]
http://www.pobox.com/~skeet/
------------------------------
From: Alex Lam <[EMAIL PROTECTED]>
Subject: Re: New user needing help
Date: Wed, 12 May 1999 23:17:18 -0700
Glenn Belyea wrote:
> Well,
>
> I bought the Redhat 5.2 version a few months ago. After installing it
> the first time, I found the interface to be a little intimidating (both
> command line and X).
>
> I guess one of my biggest problems is the lack of support for commands,
> kind of like trying to figure out DOS commands. Does anyone know where I
> can find a comprehensive listing of commands, and their variables?
>
> I have tried to find the contents of my hard drive but everytime I do a
> ls in a directory, if the list is more than a page, it goes by so fast
> that I reaaly have no idea what is in the directory. Any ideas?
>
> Thanks for the posts that all have made in the past, many have been
> helpful even for a "Lurker".
>
> Glenn
> Email me direct, or post a reply. Thanks
Get "Linux In A Nutshell"
You'll thank yourself for buying this book.
Alex Lam.
*** *** *** *** *** *** ***
Remove the X from my email address if reply by e mail.
**************************************************
------------------------------
From: Mihaly Gyulai <[EMAIL PROTECTED]>
Subject: Re: Help Again - Copy problem
Date: Thu, 13 May 1999 05:59:30 GMT
In article <[EMAIL PROTECTED]>,
[EMAIL PROTECTED] (John) wrote:
> ... read-only mode.
It's not a file-problem, it's a partition problem. You can try to
remount your /root partition with the option : -o remount
E.g. mount /dev/hda6 -o remount # if /dev/hda6 is your /root partition.
--
Mihaly Gyulai
http://www.freeyellow.com/members5/gyulai/
--== Sent via Deja.com http://www.deja.com/ ==--
---Share what you know. Learn what you don't.---
------------------------------
From: [EMAIL PROTECTED] (Jon Skeet)
Crossposted-To: linux.redhat.misc
Subject: Re: Telnet to WINE/Linux App Server Running Office97
Date: Thu, 13 May 1999 10:56:02 +0100
[EMAIL PROTECTED] wrote:
> Is it possible to run Office97 on a Linux/WINE application server from a
> remote system via a telnet session (with X display exported)?
Do you mean a telnet session or do you mean an X session? If you mean an
X session, there's no reason why running it remotely is any different
from running it locally.
--
Jon Skeet - [EMAIL PROTECTED]
http://www.pobox.com/~skeet/
------------------------------
From: David Steuber <[EMAIL PROTECTED]>
Subject: Re: kernel too large, what now?
Date: 12 May 1999 21:03:32 -0400
David Murray <[EMAIL PROTECTED]> writes:
-> I am trying to compile the kernel 2.2.6... well, okay, I already
-> compiled it. I had to do a make bzImage because it was too large for
-> make zImage. but, Lilo doesn't seem to like it either! The file is
-> about 600K but lilo says it is too large.. I cannot make it any smaller
-> without removing things that I need from this kernel, so what do I do
-> now?>
make bzImage
It uses bzip2 instead of gzip to compress vmlinuz. You have to do
this with all the 2.2 kernels now.
--
David Steuber | s/trashcan/david/ if you wish to reply by mail
Here in my heart, I am Helen;
I'm Aspasia and Hero, at least.
I'm Judith, and Jael, and Madame de Sta"el;
I'm Salome, moon of the East.
Here in my soul I am Sappho;
Lady Hamilton am I, as well.
In me R'ecamier vies with Kitty O'Shea,
With Dido, and Eve, and poor nell.
I'm all of the glamorous ladies
At whose beckoning history shook.
But you are a man, and see only my pan,
So I stay at home with a book.
-- Dorothy Parker
------------------------------
From: Mihaly Gyulai <[EMAIL PROTECTED]>
Subject: Re: Accessing Windoze drives
Date: Thu, 13 May 1999 06:11:08 GMT
In article <[EMAIL PROTECTED]>,
[EMAIL PROTECTED] (Eric The Half A Bee) wrote:
> I`mn trying to figure out how, when logged in as a regular user, I can
> save a file (ANY file) to my win drive. I can do it as root fine, but
> not as any other user.
Read 'man mount' and you'll find an option 'user'. You should mount
your Win partition with such option. The 'quiet' option is also useful, it
won't complain about user rights... (which do not exist in Win).
(Sorry, that I can't include the exact parameters, but I don't use it
now...).
--
Mihaly Gyulai
http://www.freeyellow.com/members5/gyulai/
--== Sent via Deja.com http://www.deja.com/ ==--
---Share what you know. Learn what you don't.---
------------------------------
From: "John E. Garrott" <[EMAIL PROTECTED]>
Subject: Re: *.tgz
Date: Wed, 12 May 1999 20:41:31 -0700
Nevyn wrote:
>
> very simple question i know but how do i uncompresscompleatly a tgz
> file....i used gunzip(?) an it made a tar file that i can nothing
> with...what do i do next?.....if anyones willing to help..mail me an answer
> @ [EMAIL PROTECTED]
tar xf tarfile
substitue your filename for the tar file.
Generally this can be done in one step.
tar xzf file.tgz
Again the appropriate substitution.
To see the contents of the tgz file use
tar -tzvf file.tgz |less (or more)
Good luck,
John
------------------------------
From: [EMAIL PROTECTED] (Oleg Letsinsky)
Subject: Re: Redhat 6.0 broken?
Date: Thu, 13 May 1999 09:12:16 GMT
On Thu, 13 May 1999 13:34:43 +0800, XuYifeng <[EMAIL PROTECTED]> wrote:
>this is not true, I make the same kernel in RH5.2, they have same configure,
>I can make Linux2.2.7 kernel in RH5.2, but always fail in RH6.0,
>I think lilo in RH6.0 is broken.
I had to make bzImage for RH 5.2 too. Once again - it's not LILO
problem, it's a real-mode x86 CPU limitation. Probably you disabled
more features during compilation in RH 5.2 or different versions of
compilers make difference.
--
Oleg Letsinsky, Ulter Systems, Inc.
mailto:[EMAIL PROTECTED]
------------------------------
From: [EMAIL PROTECTED] (Oleg Letsinsky)
Crossposted-To: comp.os.linux.development.apps
Subject: Re: Pro-Unix vs anti-WinTel
Date: Thu, 13 May 1999 09:12:17 GMT
On Thu, 13 May 1999 02:54:41 GMT, [EMAIL PROTECTED] (Christopher
Browne) wrote:
>>What is it that glibc2 offers over libc5 that would cause this mass
>>migration besides hype? Something I have always wondered.
>
>- glibc2 works on non-IA-32 platforms. libc5 only works on IA-32
>platforms, with (perhaps) a brief period of *nearly* working on Alpha.
>
>- glibc2 is (or is nearly) thread-safe, allowing applications to
>support SMP. libc2, um, isn't.
>
>- glibc2 diminishes dependance of applications on Linux-specific
>kernel code, thus making code "play better" with other platforms.
>
Don't forget about _much_ better and easier localization support in
glibc2.
--
Oleg Letsinsky, Ulter Systems, Inc.
mailto:[EMAIL PROTECTED]
------------------------------
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End of Linux-Misc Digest
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