Linux-Networking Digest #756, Volume #11          Fri, 2 Jul 99 07:13:32 EDT

Contents:
  Re: C++ templates:  More than Turing Complete? (Mads Dydensborg)
  Re: Help configuring Apache cgi scripts (Stefan)
  Re: How can I use Win98 to access Linux Server? ("Maguai")
  help: setup firewall using ipchains ("x")
  Re: Two ip addresses on a single NIC (Oswald Jaskolla)
  Re: Why not C++ (Nathan Myers)
  Re: If I had a gun.... (David De Ridder)
  Making IMAP or POP-3 work (Sriram Mudulodu)
  Re: Could Microsoft Cheat On The New Mindcraft Benchmark? (was:     Mindcraft Retest 
News ("Bob Taylor")
  Re: PLEASE HELP!! ("NinoR")
  Re: Too many files open SAMBA error (Andrew Williams)
  Re: Printing problems with Linux and Win98 (Andrew Williams)
  Re: Two ip addresses on a single NIC (Andrew Williams)
  Good docs for PGP/Linux? ("Dave Ewart")
  Re: Why not C++ (david parsons)

----------------------------------------------------------------------------

From: Mads Dydensborg <[EMAIL PROTECTED]>
Crossposted-To: comp.os.linux.development.apps,comp.os.linux.development.system
Subject: Re: C++ templates:  More than Turing Complete?
Date: 02 Jul 1999 10:52:21 +0200

Stephan Houben <[EMAIL PROTECTED]> writes:

> No, not every C++ program is compiled to a finite amount of assembly.
> Take the following counter-example:
> ----------------begin code------------------
> template <class A>
> void call_me(A a, int i)
> {
>   if (i > 0)
>     call_me(&a, i - 1);

Isn't the & an error? I mean, it is legal, and should not matter, but 
it makes no sense.

Perhaps this is what you are trying to say?

Mads
-- 
+----------------------------------------------------------------------+
|  Mads Bondo Dydensborg.   Student at DIKU,  Copenhagen - Denmark.    |
|  Email: [EMAIL PROTECTED]   www: http://www.diku.dk/students/madsdyd/  |
+----------------------------------------------------------------------+ 

------------------------------

From: Stefan <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
Crossposted-To: comp.infosystems.www.servers.unix
Subject: Re: Help configuring Apache cgi scripts
Date: Fri, 02 Jul 1999 04:50:17 -0500



Brian Hall wrote:

> I have got Apache up and running to learn how to run a website. Today, I got
> everything working to access it dynamically, since I get my IP via DHCP. I
> thought I'd add a page counter to test out CGI stuff. That has failed
> miserably, and I can't for the life of me figure out why.
>
> I first tried the Simple Web Counter (swc), and then I tried Poorcount. For
> Poorcount, I found RedHat RPMS for it and gracula. Those appear to be
> installed correctly; I can execute the poorcount scripts from the command
> line. I can't get Apache to do so. I have checked every directory for 755
> permissions, and changed the owner of the poorcount scripts to nobody. I am
> assuming the problem is with my Apache configuration. I have tried different
> options for the cgi-bin directory, to no avail.
>
> From my httpd.conf:
>
> ScriptAlias /cgi-bin/ "/usr/local/apache/cgi-bin/"
>
> <Directory "/usr/local/apache/cgi-bin/">
>     Options ExecCGI
>     AllowOverride None
>     Order allow,deny
>     Allow from all
> </Directory>
>
> My website can be accessed by calling up this URL:
>
> http://www.bigfoot.com/~brihall
>
> which will redirect to my machine.
>
> When I call up the webpage, I get this error in the Apache error log:
>
> [Sat Jun 26 17:48:52 1999] [error] (13)Permission denied: exec of
> /usr/local/apache/cgi-bin/poorcount/green.gcl failed
> [Sat Jun 26 17:48:52 1999] [error] [client 208.234.80.213] Premature end of
> script headers: /usr/local/apache/cgi-bin/poorcount/green.gcl
>
> Help would be greatly appreciated!

You need to tell apache what files types are considered cgi-scripts. You can do
this via the srm.conf file by adding a line:
AddHandler cgi-script .cgi
to run any script with a cgi extension. Since your script has a .gcl extension,
you should have a line that says
AddHandler cgi-script .gcl
in order to execute that script.



------------------------------

Reply-To: "Maguai" <[EMAIL PROTECTED]>
From: "Maguai" <[EMAIL PROTECTED]>
Subject: Re: How can I use Win98 to access Linux Server?
Date: Fri, 02 Jul 1999 06:49:59 GMT

check this site
http://home.talkcity.com/MigrationPath/maguai/


Jason Pun <[EMAIL PROTECTED]> wrote in message news:7lgcus$a4p4@rain...
> Dear All,
>
> I am a newbie of Linux. I want to setup a Linux Server for accessing by
> Win98 / WinNT. I just know set samba to let Win98 access to Linux Server.
> But how to configure Win98 indeed? Anyone can tell me the whole process of
> setting up a new Linux network for connecting Linux with Win98?
>
> Thanks if anyone can help me!
>
> mailto:[EMAIL PROTECTED]
>
>



------------------------------

From: "x" <[EMAIL PROTECTED]>
Crossposted-To: comp.security.firewalls
Subject: help: setup firewall using ipchains
Date: Fri, 2 Jul 1999 14:56:05 +0800

hi, All

  my system rh v6.0, kernerl v2.2.5   using ipchains

  my Lan:

     Win95 (A) -----
                    |--- Linux Route (C) ----- Linux Firewall (D)--- modem
     Win95 (B) -----
                          eth0      eth1      eth0         ppp0

  Private Net:    192.168.0.0/24

        win95 (A,B) = 192.168.0.x
        linux route (C) = eth0 ( 192.168.0.1 )
                          eth1 ( 192.168.20.254 )

        setup (C) -->
                    /etc/sysconfig/network/forward_ipv4 = true

                    /etc/rc.d/rc.firewall --> attachment

  Friewall Net:   192.168.20.0/24

        linux firewall (D) = eth0 (192.168.20.1 )
                             ppp0 ( ISP_IP )

  But, win95 (A,B) can't arrive to internert ,

       example: http://www.yahoo.com  don't success ,  Why ?

Thanks for your help.

B/G

xww





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`
end


------------------------------

From: Oswald Jaskolla <[EMAIL PROTECTED]>
Subject: Re: Two ip addresses on a single NIC
Date: Fri, 02 Jul 1999 12:02:22 +0200

Be sure to have ip-aliasing configured in your kernel, though

------------------------------

From: [EMAIL PROTECTED] (Nathan Myers)
Crossposted-To: comp.os.linux.development.apps,comp.os.linux.development.system
Subject: Re: Why not C++
Date: 1 Jul 1999 12:43:51 -0700

Algis Rudys  <[EMAIL PROTECTED]> wrote:
>Nathan Myers wrote:
>> 
>> Many people are either unwilling or unable to assume the burden of
>> rigorous engineering.  In fact, they are overwhelmingly in the 
>> majority.
>> 
>> For easy problems, any language will do.  For problems where the
>> answer doesn't matter much, almost any language will do.
>> 
>> Still, rigorous engineering is needed in many places, and languages
>> that support it are needed in those places.  C++ is currently the
>> most powerful of such languages.
>
>I'm wondering what you mean by "rigorous engineering". 

We have engineering colleges at all major universities.
The discipline of engineering has an honorable heritage and 
tradition, and differs radically from that of science.

>I ask because,
>although this term sounds important, still I've never seen anything done
>in C++ that could not be done in any other programming language I'm
>familiar with. There is something called Turing completeness, and any
>language that possesses this property is no more or less powerful than
>any other. C++ is Turing complete. So are C, Pascal, Perl, Postscript
>(IIRC), Python, Scheme, LISP, ML, Java, .....

Turing completeness is a matter of science, not engineering.
Postscript code would theoretically be sufficient to operate an
Airbus, but I wouldn't want to fly in one.  

>It strikes me that typing is a matter of preference. Some people prefer
>the typing provided by C and C++. Others prefer languages such as Perl,
>Python, or Scheme, which are untyped. 

(They are not untyped, they are dynamically typed.)
Again, anything is a matter of preference when the consequences 
don't matter.

>Another issue that (I don't believe) has been addressed in this thread
>is safety (ie memory protection, type safety for typed languages, among
>other things). Nothing prevents me from casting a char * as struct foo *
>in C++ or vice versa.  While the compiler may issue a warning, it is
>legal syntactically and semantically in C++. And this could mean bad
>things, depending on the case. 
>
>This would not be allowed in a safe languages. 

If you ignore compiler warnings, how can you be helped?

Sound engineering shops have coding standards for C++,
so that casts must be approved by senior engineers.  Casts in 
C++ are needed far less often than in C.  When they are needed, 
nothing else will do.  Languages that don't allow casts at all 
impede engineering as much as those which toss them in freely.

-- 
Nathan Myers
[EMAIL PROTECTED]  http://www.cantrip.org/


------------------------------

From: [EMAIL PROTECTED] (David De Ridder)
Subject: Re: If I had a gun....
Date: Fri, 02 Jul 1999 09:58:51 GMT
Reply-To: [EMAIL PROTECTED]

Whereto with speedy words James R. Barnett, Jr. repli'd :

>Andrey Smirnov wrote:
>> 
>> No arp entries on both machines (incomplete means nothing) only means that
>> you have a hardware issue. Check your nics, hub, check if you have proper
>> drivers for nic card under Linux. May be try to use crossover cable instead
>> of a hub, etc.
>> 
>> When you solve your hardware issue, then you can focus on setting up TCP
>> network.
>> 
>> Good luck!
>> 
>I compiled a kernel with support for the 3Com3c509 built-in. Still no
>luck. Intuitively, I would think the hub would be OS independent. Am I
>wrong? Can anyone think of a reason the a hub would not work under Linux
>but would work with win98? 

 You are right : hubs are OS independent. The problem cannot lie
 with the hub. BTW, what do the LEDs on the NICs say when running
 Linux (not the LEDs on the hub) ?

 Also, you could try the following :

 
 - disable any autonegotiation/autosense stuff on your NICs.
   Usually a small DOS program is provided to change the
   config of the NIC and save the settings to its EPROM.
 - Also, do NOT set up your NICs for full-duplex.
 - ping 255.255.255.255 (both from Win as from Linux)
 - add an arp entry *manually* to your arp cache in Linux.
   Check 'man arp'. Create an entry with the IP address of
   your winbox and its Ethernet address. This is also possible
   in Win, using the `arp -s' command.

 Maybe for some bizarre reason either NIC isn't listening for
 broadcast frames and won't see arp requests (just a thought).

>Has anyone had driver problems with the
>3Com509? I am running Kernel 2.2.5-15.

 Sorry, don't know about the 3Com.
 What's the -15 (just curious) ?

 What does your kernel say about the 3Com ? Use
 'dmesg | less' to read the kernel messages.

 Kind regards,

+-----------------------------------------------------------------+
  David 'Septimus' De Ridder       <[EMAIL PROTECTED]> 

"Eenie, meenie, minie, moe... oh, why not all of them ?"
 - Jaya Ballard, Task Mage (M:TG)

+-----------------------------------------------------------------+
  

------------------------------

From: Sriram Mudulodu <[EMAIL PROTECTED]>
Subject: Making IMAP or POP-3 work
Date: Thu, 1 Jul 1999 23:58:33 -0700

Hi,

I have in my inetd.conf (on a Linux machine), the following lines
uncommented (to enable an IMAP or POP-3 server). 

pop-3   stream  tcp     nowait  root    /usr/sbin/tcpd  ipop3d
imap    stream  tcp     nowait  root    /usr/sbin/tcpd  imapd

Users using netscape to read their mail on this linux machine could see
their inbox, initially. I happen to use a different imapd (in
/usr/sbin/imapd) that I got from a friend so that the rest of the folders
of mail (other than inbox) could be read. But it didn't work at all. When
I began using the old imapd again, what worked earlier (reading inbox) 
didn't work this time. Netscape is able to initially connect to the
machine but the connection is being closed by the Linux machine. 
When I try to use 'telnet <machinename> imap', it says connected to
<machinename> but after a min show connection closed by foreign host.

My Questions:
1) Why does this happen and how can it be fixed ?

2) How can make the rest of the folders (which are in /home/<user>/mail)
be visible to the netscape email reader. The inbox is stored in
/var/spool/mail/<user> which the netscape e-mail user can see.

I would appreciate any help in this regard. Please e-mail me (whether or
not you post any solution to this newsgroup)

Thanks,
Sriram 





------------------------------

Reply-To: [EMAIL PROTECTED]
From: [EMAIL PROTECTED] ("Bob Taylor")
Subject: Re: Could Microsoft Cheat On The New Mindcraft Benchmark? (was:     Mindcraft 
Retest News
Crossposted-To: 
omp.os.ms-windows.nt.advocacy,comp.os.linux.advocacy,comp.infosystems.www.servers.unix,comp.os.linux.misc
Date: Thu, 1 Jul 1999 11:25:38 -0700

In article <[EMAIL PROTECTED]>,
        De Messemaeker Johan <[EMAIL PROTECTED]> writes:
> Chad Mulligan wrote:
> 
>> >And how do you know this actually happened? Were you present? You read
>> >it in a book written by an American hater? On behalf of the Americans
>> >who died saving your sorry ass in WWII, I *demand* a retraction and
>> >appology for such a vicious attack!
>>
>> I would have to agree with Mr taylor on this one.  The stories I've heard, some 
>first
>> hand from German POW's in the US, friends of my Granddad who was a Latvian pressed
>> into German service, all said they were treated well and some even remained friends
>> with their jailers.
> 
> True, that happened. But it wasn't always like that. Here in Belgium, there was a
> concentrationcamp named 'Breendonk'. When the americans arrived, they torchered the
> germans. That's a historical fact. And there's a lot more. But what do we expect ? 
>It was
> war, with all pleasant and unpleasant stuff ... sort of ...

If by "torchered" you mean forced to tour the concentration camps, then 
I will agree. Otherwise, this is another vicious attack with no
foundation in truth. Historical fact my tired ass!

-- 
+----------------------------------------------------------------+
| Bob Taylor             Email: [EMAIL PROTECTED]             |
|----------------------------------------------------------------|
| Gnome certainly is (serious competition to the Mac or Windows) |
| ... I get a charge out of seeing the X Window System work the  |
| way we intended..." - Jim Gettys                               |
+----------------------------------------------------------------+

------------------------------

From: "NinoR" <[EMAIL PROTECTED]>
Subject: Re: PLEASE HELP!!
Date: Thu, 1 Jul 1999 15:31:02 -0400

Thanks for the response Jonathan.

I have debugging on and I'm checking my /var/log/messages file, but I have
no idea how to get that info into my Win98 that I have to run to get online
so I can share it with you.  Basically, I think I need to modify my
/etc/ppp/options file properly.  I make the serial connection, and I don't
think I'm sending my PAP info.  Then the remote server disconnects me.  I'll
see If I can somehow get that info to you on what's happening.

Here's something nice that I recieved from my ISP, take a look,


Dear Nino,


    Unfortunately we are unable to provide you with the information that
you requested. Our Network Engineers have indicated that this information
is not to be given out due to security concerns.

   I am sorry that I could not have been of more assistance with this
matter.


Thank You,

Darryl

(Pricks)





Jonathan Guthrie wrote in message <7ld5v7$82i$[EMAIL PROTECTED]>...
>NinoR <[EMAIL PROTECTED]> wrote:
>> I'm new to Linux and I need some help setting up my PPP.  I'm using RH
6.0
>> and my modem works fine.  I can get it to connect to my ISP but then it
>> hangs up after about 45 seconds of chatting with the server.  If it
helps,
>> my ISP is SPRINT.  I'm using PAP.  I'm not sure what I have to set up to
be
>> able to recieve my info from SPRINT's DHCP, and I'm not sure if I have to
>> input some sort of chatscript.
>
>If you are using PAP, you don't need a chat script and you NEVER need DHCP
>with PPP.  (PPP has its own mechanism for assigning and distributing IP
>addresses.)  Can you turn your debugging up so that we can see what the
>traffic is on your link?
>--
>Jonathan Guthrie ([EMAIL PROTECTED])
>Brokersys  +281-895-8101   http://www.brokersys.com/
>12703 Veterans Memorial #106, Houston, TX  77014, USA



------------------------------

From: Andrew Williams <[EMAIL PROTECTED]>
Crossposted-To: alt.os.linux,aus.computers.linux,comp.protocols.smb,linux.redhat.misc
Subject: Re: Too many files open SAMBA error
Date: Fri, 02 Jul 1999 12:07:00 +0200
Reply-To: [EMAIL PROTECTED]

What were the previous levels?
Did you recompile smbmount along with Samba?  That is done with 'sh
Configure --with-smbmount' in your samba source directory.  There is some
more on this in 4.14.2 on my web-page but my solutions there do not
appear to fit your problem.



Monte Phillips wrote:

> LinuxBox<->Win98 samba networked.  All functions mapping, read, write
> etc from WinBox are working.  I am running RH 6.0-2.2.9  and samba
> 2.0.4b   (this error arose sometime after the kernel & samba upgrade.
> Sadly I upgraded together.(o wellll live and tear hair)
>
> In linux I issue ]# smbmount //Win98/DriveA -c 'mount /samba'
> no errors
> I do a
> ls /samba
> and I get this   ]# too any files open in system.
>
> If I midnight Cmndr the /samba dir it 'breaks mc.   doesn't lock the
> system.
>
> I then issue smbumount /samba
> and all is well again.
>
> Need ideas badly

--
Mielipiteet omiani - Opinions personal, facts suspect, especially on my
        http://www.germanynet.de/teilnehmer/101/69082/samba.html
Simple Samba Solutions web page.                            ICQ 1722461
 __________________________________________________________
|  Fight Spam! Join EuroCAUCE: http://www.euro.cauce.org/  |
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



------------------------------

From: Andrew Williams <[EMAIL PROTECTED]>
Subject: Re: Printing problems with Linux and Win98
Date: Fri, 02 Jul 1999 12:00:20 +0200
Reply-To: [EMAIL PROTECTED]

what error-message?
is NetBEUI active? (ipx/spx are also undesirable)
the spool-directory needs permissions set to 1777 but you did not touch the linux
box (?)


Brian Hall wrote:

> I had printing just working fine, from my Linux RH6 PC to a Win95B PC on my
> home LAN. Then I upgraded the PC to Win98, and I get can't remote printing to
> work. I have been able to print to the Win98 PC using a laptop on the
> network running Win98 also, but that doesn't help much. I have used the
> registry patch from Samba to enable plain passwords on 98; that didn't help.
>
> I could really use some help here, I am fresh out of ideas.
>
> I can ping the Win98 PC just fine, and am in fact using Samba to share files
> between them sucessfully.
>
> My network uses my Linux PC with IP Masq, going to a 100MB router with the
> Win98PC & etc off of that.

--
Mielipiteet omiani - Opinions personal, facts suspect, especially on my
        http://www.germanynet.de/teilnehmer/101/69082/samba.html
Simple Samba Solutions web page.                            ICQ 1722461
 __________________________________________________________
|  Fight Spam! Join EuroCAUCE: http://www.euro.cauce.org/  |
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



------------------------------

From: Andrew Williams <[EMAIL PROTECTED]>
Subject: Re: Two ip addresses on a single NIC
Date: Fri, 02 Jul 1999 12:09:00 +0200
Reply-To: [EMAIL PROTECTED]

You also need one of the kernel network-options set, aliasing I think.



[EMAIL PROTECTED] wrote:

> Does anybody know whether it is possible to have multiple IP addresses
> on one ethernet card in Linux, and if so how to do it?  I've used the
> command ifalias in HP-UX to do this before, but never in Linux.  If I
> can do this it would help me out a lot!
>
> Thanks in advance,
> Alex

--
Mielipiteet omiani - Opinions personal, facts suspect, especially on my
        http://www.germanynet.de/teilnehmer/101/69082/samba.html
Simple Samba Solutions web page.                            ICQ 1722461
 __________________________________________________________
|  Fight Spam! Join EuroCAUCE: http://www.euro.cauce.org/  |
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



------------------------------

From: "Dave Ewart" <[EMAIL PROTECTED]>
Subject: Good docs for PGP/Linux?
Date: Fri, 2 Jul 1999 09:41:20 +0100

I have installed PGP 5.0i on my RedHat 5.2 box - I find that I am in need of
a decent "User's guide" specific to the Linux version (or at least to the
Unix versions in general), similar to that available for the Windows
95/98/NT versions, since there seem to be rather a lot of undocumented
command line parameters.  I have a feeling that these parameters might do
what I have been trying to sort out for a while.

Any suggestions?  Thanks ...

Dave.
--
Dave Ewart, Computing Manager
Imperial Cancer Research Fund (Cancer Epidemiology Unit), Oxford
[EMAIL PROTECTED]




------------------------------

From: o r c @ p e l l . p o r t l a n d . o r . u s  (david parsons)
Crossposted-To: comp.os.linux.development.apps,comp.os.linux.development.system
Subject: Re: Why not C++
Date: 1 Jul 1999 21:11:32 -0700

In article <7l51a5$801$[EMAIL PROTECTED]>,
Nathan Myers <[EMAIL PROTECTED]> wrote:
>Paul Jackson <[EMAIL PROTECTED]> wrote:
>>Nathan Myers wrote:
>>|> [Those saying] it's slower than (e.g.) C are just spreading FUD.
>>
>>Put it this way -- if I could actually try ten
>>different teams of professional but not superstar
>>programmers, using different languages to implement
>>a real world (multi-year, requirements changing
>>for the life of the project, ...) app, right
>>now I'd bet that Python team (a delightful language
>>that I just learning) would produce the fastest
>>working app (because they'd have time to get the
>>architecture and algorithms 'right'), and the C++
>>team would produce one of the slower apps, with
>>a few key loops going fast, but bogged down in a
>>slew of other confusions.
>
>Odd choice of example; Python is written in C++.

   So what?

   It wouldn't matter even if python was written in fortran-4 or
   COBOL.


                 ____
   david parsons \bi/ Sheesh.
                  \/

------------------------------


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