[CentOS-es] Sincronizar 2 bases de datos progresql

2010-11-24 Thread Julio Cesar
 hola lista un saludos a todos los colaboradores

 mi pregunta es como puedo sincronizar 2 bases de datos postgresql cada 
 una esta en server diferentes
 me pueden echar una mano con esto

 saludos y gracias

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Re: [CentOS-es] Como configurar squid en centos 5

2010-11-24 Thread Juan Pablo Botero
Saludos.


2010/11/24 armando zarate mallarino mandy-g...@hotmail.com


 porfavor necesito que me expliquen paso a paso la configuracion de squid y
 definir para que sirve cada parametro...


Hace muy poco tratado en [1]:

[1]: http://lists.centos.org/pipermail/centos-es/2010-November/008796.html


 si me ayudan se los agradeceria mucho ya que lo necesito porque me lo
 dejaron de tarea y tengo que hacer un trabajo escrito


 Armando Zarate Mallarino
 Cartagena, Colombia
 FUNDACION TECNOLOGICA ANTONIO DE AREVALO

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Re: [CentOS-es] Problemas al instalar CENTOS 5.5 desde un DVD

2010-11-24 Thread Eduardo Fuentes
Hola, nuevamente
Hice lo que indicaron, al parecer es el DVD, no puedo instalar desde ese DVD
sea configurando las particiones manualmente o instalando en las particiones
que por defecto pone el Centos. Ademas probe con unos CD de la version 5.2
que tengo y si logra instalar sin contratiempo. Ahora bien lo que ocurre es
que necesito instalar la version 5.5.
Tienen idea desde donde puedo descargar una version estable, que no presente
problemas en la instalacion.?
Gracias por su tiempo.

Saludos.
El 22 de noviembre de 2010 10:48, Eduardo Fuentes
eduardofu...@gmail.comescribió:

 Hola
 Primero que nada disculpen la demora en responder. Estuve sin maquina
 durante el fin de semana.
 Gracias por las respuestas hare lo que me sugieren y les comentare los
 resultados.
 Solo como comentario, el disco es nuevo, acabo de comprarlo y es la primera
 instalacion que hare, claro esta eso no descarta que pueda estar dañado.

 Saludos.

 El 20 de noviembre de 2010 11:21, Eduardo Grosclaude 
 eduardo.groscla...@gmail.com escribió:

 2010/11/19 Eduardo Fuentes eduardofu...@gmail.com:
  Buenas tardes, recurro a su valiosa ayuda.
  tengo un problema al instalar el Centos 5.5 en unos de los servidores de
 la
  empresa.
  Estoy instalando desde un DVD pero me sale el siguiente mensaje de
 error:
  An unhandle exception has ocurred. This is most likely a bug. Please
 save a
  copy of the detailed exception and file a bug report against anaconda at
  http://bugs.centos.org
 
  Luego de ello pide rebotear el servidor y no termina la instalacion.
 
  Si alguien tuvo el mismo problema y lo soluciono le pido por  favor
 comparta
  su experiencia.

 En primer lugar asegúrate de que el DVD está bien descargado y bien
 quemado, comprobando la suma de control MD5 o SHA1.

 En qué momento te aparece este mensaje de error? A mí me ha aparecido
 un par de veces en las siguientes condiciones:

 1. Cuando he hecho un particionamiento custom o personalizado del
 disco, en forma demasiado complicada. Por ejemplo, cuando he cambiado
 de idea varias veces durante el particionado y he borrado y vuelto a
 hacer muchas veces las particiones. Solución, prueba con el
 particionamiento default del instalador, a ver si continúa el
 problema.
 2. Cuando existen particiones en el disco hechas anteriormente por
 alguna versión de Windows. Solución, con un disco de rescate, Gparted,
 o el mismo DVD de CentOS en modo rescate, elimina completamente las
 particiones vacías que pueda haber.


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Re: [CentOS-es] Problemas al instalar CENTOS 5.5 desde un DVD

2010-11-24 Thread Camilo Astete
Si con el CD te ha resultado, baja la ISO en CD y con ella has la
instalación, claro que tendrás que hacer la instalación básica y después
desde internet instalar lo que te falta, yo recomiendo esta opción ya que
instalo un sistema base, y luego desde repositorio instalo lo que necesito,
me queda muy limpia la instalación y es perfecta para trabajar en servidores
:P


Acá esta la lista de mirror donde puedes encontrar las isos:
http://mirror.centos.org/centos/5/isos/

Saludos.-

El 24 de noviembre de 2010 17:14, Eduardo Fuentes
eduardofu...@gmail.comescribió:

 Hola, nuevamente
 Hice lo que indicaron, al parecer es el DVD, no puedo instalar desde ese
 DVD
 sea configurando las particiones manualmente o instalando en las
 particiones
 que por defecto pone el Centos. Ademas probe con unos CD de la version 5.2
 que tengo y si logra instalar sin contratiempo. Ahora bien lo que ocurre es
 que necesito instalar la version 5.5.
 Tienen idea desde donde puedo descargar una version estable, que no
 presente
 problemas en la instalacion.?
 Gracias por su tiempo.

 Saludos.
 El 22 de noviembre de 2010 10:48, Eduardo Fuentes
 eduardofu...@gmail.comescribió:

  Hola
  Primero que nada disculpen la demora en responder. Estuve sin maquina
  durante el fin de semana.
  Gracias por las respuestas hare lo que me sugieren y les comentare los
  resultados.
  Solo como comentario, el disco es nuevo, acabo de comprarlo y es la
 primera
  instalacion que hare, claro esta eso no descarta que pueda estar dañado.
 
  Saludos.
 
  El 20 de noviembre de 2010 11:21, Eduardo Grosclaude 
  eduardo.groscla...@gmail.com escribió:
 
  2010/11/19 Eduardo Fuentes eduardofu...@gmail.com:
   Buenas tardes, recurro a su valiosa ayuda.
   tengo un problema al instalar el Centos 5.5 en unos de los servidores
 de
  la
   empresa.
   Estoy instalando desde un DVD pero me sale el siguiente mensaje de
  error:
   An unhandle exception has ocurred. This is most likely a bug. Please
  save a
   copy of the detailed exception and file a bug report against anaconda
 at
   http://bugs.centos.org
  
   Luego de ello pide rebotear el servidor y no termina la instalacion.
  
   Si alguien tuvo el mismo problema y lo soluciono le pido por  favor
  comparta
   su experiencia.
 
  En primer lugar asegúrate de que el DVD está bien descargado y bien
  quemado, comprobando la suma de control MD5 o SHA1.
 
  En qué momento te aparece este mensaje de error? A mí me ha aparecido
  un par de veces en las siguientes condiciones:
 
  1. Cuando he hecho un particionamiento custom o personalizado del
  disco, en forma demasiado complicada. Por ejemplo, cuando he cambiado
  de idea varias veces durante el particionado y he borrado y vuelto a
  hacer muchas veces las particiones. Solución, prueba con el
  particionamiento default del instalador, a ver si continúa el
  problema.
  2. Cuando existen particiones en el disco hechas anteriormente por
  alguna versión de Windows. Solución, con un disco de rescate, Gparted,
  o el mismo DVD de CentOS en modo rescate, elimina completamente las
  particiones vacías que pueda haber.
 
 
  --
  Eduardo Grosclaude
  Universidad Nacional del Comahue
  Neuquen, Argentina
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  --
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[CentOS] CentOS 5.5: what do /etc/sysconfig/networking and /etc/sysconfig/network-scripts exactly ?

2010-11-24 Thread giggzounet
Hi,

on our cluster we have 5 network interfaces. I was surprised to discover
that the ifcfd-* files under /etc/sysconfig/networking and
/etc/sysconfig/network-scripts were not the same. So I have searched a
little bit, but I'm now confused:

- the files under /etc/sysconfig/networking come from system-config-network.
- the files under /etc/sysconfig/network-scripts are read by the
/etc/init.d/network script and used to set up the network interfaces.
- I don't find where the files under /etc/sysconfig/networking are used.
- Does system-config-network modify the file under
/etc/sysconfig/network-scripts too ?

Is there someone who can enlightenment me ?

Thx in advance,
Best regards,
Guillaume

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Re: [CentOS] CentOS 5.5: what do /etc/sysconfig/networking and /etc/sysconfig/network-scripts exactly ?

2010-11-24 Thread Rudi Ahlers
On Wed, Nov 24, 2010 at 10:14 AM, giggzounet giggzou...@gmail.com wrote:
 Hi,

 on our cluster we have 5 network interfaces. I was surprised to discover
 that the ifcfd-* files under /etc/sysconfig/networking and
 /etc/sysconfig/network-scripts were not the same. So I have searched a
 little bit, but I'm now confused:

 - the files under /etc/sysconfig/networking come from system-config-network.
 - the files under /etc/sysconfig/network-scripts are read by the
 /etc/init.d/network script and used to set up the network interfaces.
 - I don't find where the files under /etc/sysconfig/networking are used.
 - Does system-config-network modify the file under
 /etc/sysconfig/network-scripts too ?

 Is there someone who can enlightenment me ?

 Thx in advance,
 Best regards,
 Guillaume

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I always only use /etc/sysconfig/network-scripts


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Re: [CentOS] CentOS 5.5: what do /etc/sysconfig/networking and /etc/sysconfig/network-scripts exactly ?

2010-11-24 Thread John R Pierce
On 11/24/10 12:14 AM, giggzounet wrote:
 Hi,

 on our cluster we have 5 network interfaces. I was surprised to discover
 that the ifcfd-* files under /etc/sysconfig/networking and
 /etc/sysconfig/network-scripts were not the same. So I have searched a
 little bit, but I'm now confused:

 - the files under /etc/sysconfig/networking come from system-config-network.
 - the files under /etc/sysconfig/network-scripts are read by the
 /etc/init.d/network script and used to set up the network interfaces.
 - I don't find where the files under /etc/sysconfig/networking are used.
 - Does system-config-network modify the file under
 /etc/sysconfig/network-scripts too ?

 Is there someone who can enlightenment me ?

take a look at /etc/rc.d/init.d/network

thats the script that runs all that other stuff to fire up all the 
networking interfaces defined.

its moderately complicated.


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Re: [CentOS] slow network throughput, how to improve?

2010-11-24 Thread John Hodrien
On Wed, 24 Nov 2010, Rudi Ahlers wrote:

 r...@zaxen02.securehosting.co.za:/vm/xen/template/centos-5-x64-cpanel
 r...@zaxen02.securehosting.co.za:/
 r...@zaxen02.securehosting.co.za's password:
 centos-5-x64-cpanel.tar.gz
100% 1163MB
 29.1MB/s   00:40

Are you using scp here?  You'll find you get better throughput if you use
something else, or change the cipher to something lighter weight

jh
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[CentOS] CentOS vs. RHEL vs. Oracle Linux ?

2010-11-24 Thread Niki Kovacs
Hi,

I've been contacted by a local training center specialized in Oracle 
databases, to train a group of four administrators to use Linux. They're 
supposed to use Oracle Linux (more exactly OL5), which I understand is 
some specialized version of Red Hat Enterprise Linux.

I'm reasonably proficient with CentOS. I've been using it exclusively on 
desktops and servers since 2007 (version 4.3 if I remember correctly), 
after a few years on Slackware and Debian. I've setup CentOS-based 
networks in small town halls, public libraries and schools, my dedicated 
webserver is running the latest CentOS, and I've published a book about 
basic Linux concepts entirely based on CentOS 5.3.

On the other hand, I've never got to work on the real thing, so to 
speak. The only time I put my hands on a Red Hat Enterprise Linux server 
was to retrieve the root password for a distracted client (add 
init=/bin/bash to the kernel line in GRUB, mount -o remount,rw /, passwd 
:oD). And I never came near a machine running Oracle Linux.

What differences can I expect between a server running Oracle Linux and 
my average server running CentOS ? As far as I can guess, their 
unbreakable Linux kernel will still be some package called 'kernel' 
(with the according 'kernel-devel' and 'kernel-headers' packages). 
Probably Yum will be used as a dependency resolver (will it?), only with 
different repositories. And for the rest, I except it to work the same, 
in that I can still use chkconfig, ntsysv, rpm, etc. (what about 
system-config-securitylevel-tui or similar tools?)

In short, what differences/similarities can I expect? Is there some 
document stating these?

Cheers from the sunny South of France,

Niki Kovacs

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Re: [CentOS] slow network throughput, how to improve?

2010-11-24 Thread Rudi Ahlers
On Wed, Nov 24, 2010 at 10:35 AM, John Hodrien j.h.hodr...@leeds.ac.uk wrote:
 On Wed, 24 Nov 2010, Rudi Ahlers wrote:

 r...@zaxen02.securehosting.co.za:/vm/xen/template/centos-5-x64-cpanel
 r...@zaxen02.securehosting.co.za:/
 r...@zaxen02.securehosting.co.za's password:
 centos-5-x64-cpanel.tar.gz
                                                    100% 1163MB
 29.1MB/s   00:40

 Are you using scp here?  You'll find you get better throughput if you use
 something else, or change the cipher to something lighter weight

 jh
 ___


Yes, I used scp as a quick simple test. What would give me better
performance though?

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Re: [CentOS] slow network throughput, how to improve?

2010-11-24 Thread John Hodrien
On Wed, 24 Nov 2010, Rudi Ahlers wrote:

 Yes, I used scp as a quick simple test. What would give me better
 performance though?

Well, anything that doesn't encrypt would be worth a shot.

Here's a basic scp to /dev/null
scp /tmp/tempfile othermachine:/dev/null
tempfile  100% 1000MB  37.0MB/s   00:27

Compare that with reading the same file over a basic NFS mount:

$ dd if=/nfs/tempfile of=/dev/null
1048576000 bytes (1.0 GB) copied, 10.3707 seconds, 101 MB/s

If you've got slow processors you'll find that scp -c blowfish is noticeably
faster, but the faster the cores are, the less you'll notice an improvement.

jh
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[CentOS] Centos 5.5 - php53 and mhash

2010-11-24 Thread f...@ll
Hi,

I'm using repo from http://dl.iuscommunity.org/ and I want use php5.3
but I can't see module php53-mhash, where I find this module? Any repo
can I use where this module I find?

f...@ll

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Re: [CentOS] Centos 5.5 - php53 and mhash

2010-11-24 Thread Juergen Gotteswinter
you should ask that on the ius repo mailinglist (if theres one..)

Am 24.11.10 10:16, schrieb f...@ll:
 Hi,

 I'm using repo from http://dl.iuscommunity.org/ and I want use php5.3
 but I can't see module php53-mhash, where I find this module? Any repo
 can I use where this module I find?

 f...@ll

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Re: [CentOS] CentOS vs. RHEL vs. Oracle Linux ?

2010-11-24 Thread rainer
 Hi,

 I've been contacted by a local training center specialized in Oracle
 databases, to train a group of four administrators to use Linux. They're
 supposed to use Oracle Linux (more exactly OL5), which I understand is
 some specialized version of Red Hat Enterprise Linux.


I think they offer you a choice of kernels.
Their own kernel has performance enhancements.

It's also supposed to be cheaper in maintenance than RHEL.
But AFAIK, it's a re-engineering of RHEL in the same way CentOS is.
Just with commercial support (and geared towards running Oracle stuff).

I just looked and at the most basic level (patches only) it costs
94€/year/system.

Does anybody know how fast they implement the fixes from upstream?


Rainer
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Re: [CentOS] CentOS 5.5: what do /etc/sysconfig/networking and /etc/sysconfig/network-scripts exactly ?

2010-11-24 Thread Philippe Naudin
Le mer 24 nov 2010 00:22:36 CET, John R Pierce a écrit:

 On 11/24/10 12:14 AM, giggzounet wrote:
  Hi,
 
  on our cluster we have 5 network interfaces. I was surprised to discover
  that the ifcfd-* files under /etc/sysconfig/networking and
  /etc/sysconfig/network-scripts were not the same. So I have searched a
  little bit, but I'm now confused:
 
  - the files under /etc/sysconfig/networking come from system-config-network.
  - the files under /etc/sysconfig/network-scripts are read by the
  /etc/init.d/network script and used to set up the network interfaces.
  - I don't find where the files under /etc/sysconfig/networking are used.
  - Does system-config-network modify the file under
  /etc/sysconfig/network-scripts too ?
 
  Is there someone who can enlightenment me ?
 
 take a look at /etc/rc.d/init.d/network
 
 thats the script that runs all that other stuff to fire up all the 
 networking interfaces defined.
 
 its moderately complicated.

Or easier : /usr/share/doc/initscripts-*/sysconfig.txt

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[CentOS] Centos 5.5 - php53 and mhash

2010-11-24 Thread R P Herrold
On Wed, 24 Nov 2010, Juergen Gotteswinter wrote:

 you should ask that on the ius repo mailinglist (if theres one..)

 I'm using repo from http://dl.iuscommunity.org/ and I want use php5.3

there is such:

List-Subscribe: https://launchpad.net/~ius-community
List-Unsubscribe: https://launchpad.net/~ius-community
List-Archive: http://lists.launchpad.net/ius-community

-- Russ herrold
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Re: [CentOS] Novell sale news?

2010-11-24 Thread Toralf Lund
Les Mikesell wrote:
 On 11/22/10 10:28 PM, Frank Cox wrote:
   
 On Mon, 22 Nov 2010 22:09:59 -0600
 Les Mikesell wrote:

 
 I don't think they ever did a real native *nix verson - they had a slightly
 custom version of wine wrapped around the windows code.
   
 Native WP for Unix existed back in the days of WP/DOS and the like.

 WP ran on a huge number of platforms.  I still have WP 4.1 for Amiga laying
 around here somewhere.

 http://en.wikipedia.org/wiki/WordPerfect

 While available in DOS and Microsoft Windows versions, its popularity was 
 based
 in part on the fact that it was available for a wide variety of computers and
 operating systems, including Mac OS, Linux, the Apple IIe, a separate version
 for the Apple IIgs, most popular versions of Unix, VMS, Data General,
 System/370, AmigaOS, Atari ST, OS/2, and NeXTSTEP.
 

 That's going back to the character-mode days.  I meant the GUI version.
   
I used an X11 version on some Unix variant a long time ago - possibly 
IRIX, but it may have been the DEC one (or both.) This was several years 
before they released the WINE based thing you are talking about, which I 
believe was Linux only. In fact, I think there was a Linux version of 
the native X11 port, too - then they replaced it with the wine variant 
to avoid maintaining so many different branches of the code, or 
something. (BAAAD decision...)

- Toralf


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[CentOS] DisplayPort output with intel graphics driver?

2010-11-24 Thread Toralf Lund
Hi.

We've installed CentOS 5.5 on a mini PC with an onboard Intel graphics 
chip, which has both VGA and DisplayPort output. This works reasonably 
well, except that I'd like to connect the monitor to the DisplayPort, 
and I only seem to get a signal on the VGA connector. This is the case 
even if I boot with the DisplayPort (only) connected, in which case 
console output during boot goes to the DisplayPort, but the graphical 
output does not. On the other hand, . DisplayPort display did work when 
booting from a live Ubuntu CD.

Is there anything I can do to get the correct display setup? Note that 
the driver used is intel, not i810.

Thanks,

- Toralf

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Re: [CentOS] Boot failure after install on IBM x3550 M3

2010-11-24 Thread Toralf Lund
Toralf Lund wrote:
 Rob Kampen wrote:
   
 Toralf Lund wrote:
 
 I'm trying to install CentOS 5.5 on a couple of servers of type IBM
 System x3550 M3, but it's not going too well. Actually, the install
 setup phase runs as expected, and the actual installation also 
 appears
 to be successful, but the system will not boot [ ... ]




 
   
 
 
 Make sure all the firmware is up to date. I've had an IBM x3550 M3 
 and it couldn't even boot a Windows 2008 R2 64 bit CD with the 
 firmware it shipped with.


   
 
   
   
 That seems like a useful tip, but do you know what exactly I need to
 install and where to find it? I'm looking at an IBM download page right
 now, but it's a little confusing - I can't seem to find anything that
 it's obviously the *system* firmware, only entries like Firmware for
 Rack   Tower LCD UPS and  Firmware for Local Console Manager.

 - Toralf

   
 
 
 What's the model and type? It should be -yyy where x can be 0-9 and 
 y can be 0-9  A-z.  You can find it on the front of the chassis.

   [ ... ]
   
   
 Search for UEFI firmware. Those IBM servers don't have a classic BIOS 
 anymore, they are EFI based. I looked it up following your model/type and 
 found the updates.


 http://www-933.ibm.com/support/fixcentral/systemx/quickorder?parent=ibm/Systemx3550M3product=ibm/systemx/7944platform=Allfunction=fixIdfixids=ibm_fw_uefi_d6e149a_linux_32-64source=fc
   
 
   
   
 Ah. Thanks.

 I believe I missed that file because I searched for operating system 
 independent components (because firmware doesn't use the OS, right?), 
 but apparently I should have chosen some Linux variant instead.
   
 
 
 I should perhaps mention that I found a solution, sort of: It seems like 
 the problem is that the system simply won't boot from a single hard disk 
 set up as just that - a single, separate drive. I suspect this has 
 something to do with the disk/RAID controller firmware, but updating it 
 did not help. If, on the other hand, I define (from within the 
 controller setup screen) a RAID containing only one drive, everything 
 works just fine...
   
   
 Try nodmraid on the kernel line in grub - I needed this after one of 
 the upgrades in the 5.x series.
 
 The problem is that the system never gets to the grub stage, i.e. it 
 fails to boot from hard drive at the BIOS level, so as to speak.
   
Of course, this probably means the problem isn't related to CentOS at 
all, but I didn't quite realise that when I posted the original question...

- Toralf


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Re: [CentOS] CentOS vs. RHEL vs. Oracle Linux ?

2010-11-24 Thread Scott Robbins
On Wed, Nov 24, 2010 at 09:50:07AM +0100, Niki Kovacs wrote:
 Hi,
 
 What differences can I expect between a server running Oracle Linux and 
 my average server running CentOS ? As far as I can guess, their 
 unbreakable Linux kernel will still be some package called 'kernel' 
 (with the according 'kernel-devel' and 'kernel-headers' packages). 
 Probably Yum will be used as a dependency resolver (will it?), only with 
 different repositories. And for the rest, I except it to work the same, 
 in that I can still use chkconfig, ntsysv, rpm, etc. (what about 
 system-config-securitylevel-tui or similar tools?)

Well, it's pretty similar.  I'm not sure if I messed up the installation
or not, but I had to later download reops--it has yum, chkconfig,
service and so on. 

I didn't find a samba package, but as this was for one oracle developer
to transfer files, we just used winscp.  (I also didn't look hard for a
samba package, at present, this is just a test.)

Disk naming seems slightly different--we went with more standard
partitions rather than LVM, and rather than /dev/sda and so on, it was
/dev---arrgh, I'm not at work, and my mind just went blank--errm, xda
and xdb?  At any rate, it will be fairly obvious. 

As mentioned, this is a test, and while I don't know all the
circumstances, we're not entitled to support--if you do it officially,
as opposed to what is probably a trial version, there is support, and I
assume (but note, that's an assumption, not knowledge), one could call
and ask things like, Where can I find samba? 

(Samba client and samba common was available, but no smbd.  Again, I did
NO googling on this, just did yum provides */smbd, got no results, and
then used WinSCP.)

There won't be any major shocks.  On the other hand, in our case,
there's nothing at all tricky for my part of it--I just had to get a
basic server running for the oracle developers to use. 

-- 
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Re: [CentOS] CentOS vs. RHEL vs. Oracle Linux ?

2010-11-24 Thread Hakan Koseoglu
On 24 November 2010 11:57, Scott Robbins scot...@nyc.rr.com wrote:
 Well, it's pretty similar.  I'm not sure if I messed up the installation
It's almost identical. Oracle kernel parameters  dependencies can be
automatically installed during installation albeit later on Oracle
RDBMS installation gives you warnings since it doesn't like the
default values in /etc/sysctl.conf as populated by OEL.

The rest? Almost completely identical to upstream.

 I didn't find a samba package, but as this was for one oracle developer
 to transfer files, we just used winscp.  (I also didn't look hard for a
 samba package, at present, this is just a test.)
Are you sure?

[r...@fubar ~]# rpm -qf /usr/sbin/smbd
samba-3.0.33-3.7.el5

 Disk naming seems slightly different--we went with more standard
 partitions rather than LVM, and rather than /dev/sda and so on, it was
 /dev---arrgh, I'm not at work, and my mind just went blank--errm, xda
 and xdb?  At any rate, it will be fairly obvious.
Nope, all comes as sda/sdb etc. if you don't use LVM unless your
external storage is funky.

 assume (but note, that's an assumption, not knowledge), one could call
 and ask things like, Where can I find samba?
Erm, maybe one of these should contain it? (It is pretty visible
during the installation).

[r...@hobbit Oracle Unbreakable Linux]# mount -o loop -t iso9660
Enterprise-R5-U5-Server-x86_64-dvd.iso /mnt/mnt1
[r...@hobbit Oracle Unbreakable Linux]# cd /mnt/mnt1
[r...@hobbit Oracle Unbreakable Linux]# find /mnt/mnt1 -iname samba*
/mnt/mnt1/Server/samba-3.0.33-3.28.el5.x86_64.rpm
/mnt/mnt1/Server/samba-client-3.0.33-3.28.el5.x86_64.rpm
/mnt/mnt1/Server/samba-common-3.0.33-3.28.el5.i386.rpm
/mnt/mnt1/Server/samba-common-3.0.33-3.28.el5.x86_64.rpm
/mnt/mnt1/Server/samba-swat-3.0.33-3.28.el5.x86_64.rpm
/mnt/mnt1/Server/samba3x-3.3.8-0.51.el5.x86_64.rpm
/mnt/mnt1/Server/samba3x-client-3.3.8-0.51.el5.x86_64.rpm
/mnt/mnt1/Server/samba3x-common-3.3.8-0.51.el5.x86_64.rpm
/mnt/mnt1/Server/samba3x-doc-3.3.8-0.51.el5.x86_64.rpm
/mnt/mnt1/Server/samba3x-domainjoin-gui-3.3.8-0.51.el5.x86_64.rpm
/mnt/mnt1/Server/samba3x-swat-3.3.8-0.51.el5.x86_64.rpm
/mnt/mnt1/Server/samba3x-winbind-3.3.8-0.51.el5.i386.rpm
/mnt/mnt1/Server/samba3x-winbind-devel-3.3.8-0.51.el5.i386.rpm
/mnt/mnt1/Server/samba3x-winbind-devel-3.3.8-0.51.el5.x86_64.rpm
/mnt/mnt1/Server/samba3x-winbind-3.3.8-0.51.el5.x86_64.rpm

 (Samba client and samba common was available, but no smbd.  Again, I did
 NO googling on this, just did yum provides */smbd, got no results, and
 then used WinSCP.)
It appears you didn't even look for it. :)

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Re: [CentOS] CentOS 5.5: what do /etc/sysconfig/networking and /etc/sysconfig/network-scripts exactly ?

2010-11-24 Thread giggzounet
Le 24/11/2010 09:22, John R Pierce a écrit :
 On 11/24/10 12:14 AM, giggzounet wrote:
 Hi,

 on our cluster we have 5 network interfaces. I was surprised to discover
 that the ifcfd-* files under /etc/sysconfig/networking and
 /etc/sysconfig/network-scripts were not the same. So I have searched a
 little bit, but I'm now confused:

 - the files under /etc/sysconfig/networking come from system-config-network.
 - the files under /etc/sysconfig/network-scripts are read by the
 /etc/init.d/network script and used to set up the network interfaces.
 - I don't find where the files under /etc/sysconfig/networking are used.
 - Does system-config-network modify the file under
 /etc/sysconfig/network-scripts too ?

 Is there someone who can enlightenment me ?
 
 take a look at /etc/rc.d/init.d/network
 
 thats the script that runs all that other stuff to fire up all the 
 networking interfaces defined.
 
 its moderately complicated.

Thx for your answer.

this script just uses /etc/sysconfig/network-scripts. All my interfaces
work fine. My problem sit to understand the intereaction between
/etc/sysconfig/networking and /etc/sysconfig/network-scripts. When I
boot the network script read and set up my interface with the
/etc/sysconfig/network-scripts files. So why are there
/etc/sysconfig/networking ? how these /etc/sysconfig/networking files
are used ?

THx a lot.

Guillaume

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Re: [CentOS] CentOS 5.5: what do /etc/sysconfig/networking and /etc/sysconfig/network-scripts exactly ?

2010-11-24 Thread giggzounet
Le 24/11/2010 10:43, Philippe Naudin a écrit :
 Le mer 24 nov 2010 00:22:36 CET, John R Pierce a écrit:
 
 On 11/24/10 12:14 AM, giggzounet wrote:
 Hi,

 on our cluster we have 5 network interfaces. I was surprised to discover
 that the ifcfd-* files under /etc/sysconfig/networking and
 /etc/sysconfig/network-scripts were not the same. So I have searched a
 little bit, but I'm now confused:

 - the files under /etc/sysconfig/networking come from system-config-network.
 - the files under /etc/sysconfig/network-scripts are read by the
 /etc/init.d/network script and used to set up the network interfaces.
 - I don't find where the files under /etc/sysconfig/networking are used.
 - Does system-config-network modify the file under
 /etc/sysconfig/network-scripts too ?

 Is there someone who can enlightenment me ?

 take a look at /etc/rc.d/init.d/network

 thats the script that runs all that other stuff to fire up all the 
 networking interfaces defined.

 its moderately complicated.
 
 Or easier : /usr/share/doc/initscripts-*/sysconfig.txt
 

great! thx

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Re: [CentOS] Router for SOHO network - hardware considerations

2010-11-24 Thread Lorenzo Quatrini
Niki Kovacs ha scritto:
 Hi,
 
 Last week I finished installing a small network in a private school : 
 one server (an old IBM X225), seventeen desktops (Fujitsu Siemens PIV 
 2.4 GHZ, 512 MB RAM, 40 GB HD), all running CentOS 5.5.
 
 One extra machine is acting as a router, in that it is installed between 
 the DSL modem and the network, with two Ethernet cards, and it's taking 
 care of DHCP, DNS, NTP and also acts like a proxy (with Squid). It seems 
 quite big and noisy and electricity-consuming to me, so I wonder if 
 there is any small device that could possibly do the job as good, but 
 which would me more adapted : small, solid and cheap (if possible). I 
 imagine some tiny box just with a CPU and a small harddisk, a little RAM 
 and two network interfaces (one out, one in), where I could install a 
 very stripped-down CentOS, and then just forget about it.
 
 So far, I've googled a bit, and I've found two things: 1) Pyramid 
 Soekris boards, where I can put something like Pyramid Linux on it. And 
 2) The Linksys WRT54GL, for which there are Linux firmwares like OpenWRT 
 and DD-WRT.
 
 Is there anything you could especially recommend for this job? (I'm not 
 afraid of getting my hands dirty, BTW :oD)
 
 Cheers,
 
 Niki
 ___

Hi Niki,
I would like to suggest the Tp-Link TL-WR1043ND; it could be a little more
expensive than the Linksys, but it has a more powerful cpu, more ram and an usb
port (and more or less same power consumption) for around 50 Euros.

I'm using it with the original firmware, and I tested OpenWRT on it; next I
will try endian, but I have to say that I'm very satisfied with it and I would
recomend it: the system is fast and responsive, and the usb port adds really a
lot of flexibility (eg. file sharing, usb dongle backup, squid with cache and
so on...).

HTH
Regards
Lorenzo

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Re: [CentOS] slow network throughput, how to improve?

2010-11-24 Thread Hakan Koseoglu
On 24 November 2010 08:51, Rudi Ahlers r...@softdux.com wrote:
 Yes, I used scp as a quick simple test. What would give me better
 performance though?
netcat, ftp. Anything that has low overhead (unlike encryption on a
single thread)
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Re: [CentOS] CentOS 5.5: what do /etc/sysconfig/networking and /etc/sysconfig/network-scripts exactly ?

2010-11-24 Thread Nicolas Thierry-Mieg
giggzounet wrote:
 Le 24/11/2010 09:22, John R Pierce a écrit :
 this script just uses /etc/sysconfig/network-scripts. All my interfaces
 work fine. My problem sit to understand the intereaction between
 /etc/sysconfig/networking and /etc/sysconfig/network-scripts. When I
 boot the network script read and set up my interface with the
 /etc/sysconfig/network-scripts files. So why are there
 /etc/sysconfig/networking ? how these /etc/sysconfig/networking files
 are used ?

AFAIK /etc/sysconfig/networking/* is only used by system-config-network, 
you can define profiles and then switch from one to the other, and 
system-config-network copies (or hardlinks?) the relevant parts to 
/etc/sysconfig/network-scripts.
Note that lots of stuff in /etc/sysconfig/networking are hardlinks to 
files in /etc/sysconfig/network-scripts or /etc (eg hosts and 
resolv.conf on my system here), they're not actually different files.

Just avoid system-config-network and configure stuff yourself in 
/etc/sysconfig/network-scripts and /etc/sysconfig/network, and you'll be 
fine.
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Re: [CentOS] Novell sale news?

2010-11-24 Thread Karanbir Singh
Hi,

On 11/23/2010 01:41 PM, Les Mikesell wrote:
 Did you really struggle to find a more appropriate place to discuss
 something like this ? :)

 Where is a group of people that might be more affected by the fallout?  Not 
 that
 there's much we can do about it...


Most of the conversation that has resulted from that post is irrelevant 
to this list or what we do here. Pretty much every impact you can 
imagine from here is imagination, guesstimate and fud.

Please keep off topic stuff away from this list. We have quite a nice 
signal:noise ratio and we've also had quite a few new people join up the 
lists and contribute to issues on and around CentOS, the technical 
ecosystem and help each other with centos specific stuff. Lets try and 
keep it to that.

- KB
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Re: [CentOS] Novell sale news?

2010-11-24 Thread Karanbir Singh
On 11/24/2010 10:32 AM, Toralf Lund wrote:
 That's going back to the character-mode days.  I meant the GUI version.

 I used an X11 version on some Unix variant a long time ago - possibly
 IRIX, but it may have been the DEC one (or both.) This was several years

Thats good, but how is that even remotely related to his list ?

If there is enough interest to build a social sort of list around the 
centos community, we can always fire up a centos-chatter or 
centos-social mailing list. Doing this on irc has been, imho, most 
successful.

- KB
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Re: [CentOS] CentOS 5.5: what do /etc/sysconfig/networking and /etc/sysconfig/network-scripts exactly ?

2010-11-24 Thread Nico Kadel-Garcia
On Wed, Nov 24, 2010 at 7:25 AM, Nicolas Thierry-Mieg
nicolas.thierry-m...@imag.fr wrote:
 giggzounet wrote:
 Le 24/11/2010 09:22, John R Pierce a écrit :
 this script just uses /etc/sysconfig/network-scripts. All my interfaces
 work fine. My problem sit to understand the intereaction between
 /etc/sysconfig/networking and /etc/sysconfig/network-scripts. When I
 boot the network script read and set up my interface with the
 /etc/sysconfig/network-scripts files. So why are there
 /etc/sysconfig/networking ? how these /etc/sysconfig/networking files
 are used ?

 AFAIK /etc/sysconfig/networking/* is only used by system-config-network,
 you can define profiles and then switch from one to the other, and
 system-config-network copies (or hardlinks?) the relevant parts to
 /etc/sysconfig/network-scripts.
 Note that lots of stuff in /etc/sysconfig/networking are hardlinks to
 files in /etc/sysconfig/network-scripts or /etc (eg hosts and
 resolv.conf on my system here), they're not actually different files.

 Just avoid system-config-network and configure stuff yourself in
 /etc/sysconfig/network-scripts and /etc/sysconfig/network, and you'll be
 fine.

And, in fact, system-config-network is quite dangerous. It's one of
numerous tools that will manipulate the network scripts, does so
inconsistently, and will overwrite legitimate stored values from the
actual /etc/sysconfig/netw-rk-scripts/ files without any way to
restore the relevant values. Pair bonding, for example, can only be
configured manually and system-config-network blows it away.

Don't use it if you can avoid it. Use netconfig (which is,
unfortunately, discarded for RHEL 6) or learn the new, bloated, and
also inconsistently managed ways of NetworkManager. (I'm not happy
about NetworkManager, but we seem to be stuck with it going forward.)
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Re: [CentOS] CentOS 5.5: what do /etc/sysconfig/networking and /etc/sysconfig/network-scripts exactly ?

2010-11-24 Thread giggzounet
Le 24/11/2010 13:50, Nico Kadel-Garcia a écrit :
 On Wed, Nov 24, 2010 at 7:25 AM, Nicolas Thierry-Mieg
 nicolas.thierry-m...@imag.fr wrote:
 giggzounet wrote:
 Le 24/11/2010 09:22, John R Pierce a écrit :
 this script just uses /etc/sysconfig/network-scripts. All my interfaces
 work fine. My problem sit to understand the intereaction between
 /etc/sysconfig/networking and /etc/sysconfig/network-scripts. When I
 boot the network script read and set up my interface with the
 /etc/sysconfig/network-scripts files. So why are there
 /etc/sysconfig/networking ? how these /etc/sysconfig/networking files
 are used ?

 AFAIK /etc/sysconfig/networking/* is only used by system-config-network,
 you can define profiles and then switch from one to the other, and
 system-config-network copies (or hardlinks?) the relevant parts to
 /etc/sysconfig/network-scripts.
 Note that lots of stuff in /etc/sysconfig/networking are hardlinks to
 files in /etc/sysconfig/network-scripts or /etc (eg hosts and
 resolv.conf on my system here), they're not actually different files.

 Just avoid system-config-network and configure stuff yourself in
 /etc/sysconfig/network-scripts and /etc/sysconfig/network, and you'll be
 fine.
 
 And, in fact, system-config-network is quite dangerous. It's one of
 numerous tools that will manipulate the network scripts, does so
 inconsistently, and will overwrite legitimate stored values from the
 actual /etc/sysconfig/netw-rk-scripts/ files without any way to
 restore the relevant values. Pair bonding, for example, can only be
 configured manually and system-config-network blows it away.
 
 Don't use it if you can avoid it. Use netconfig (which is,
 unfortunately, discarded for RHEL 6) or learn the new, bloated, and
 also inconsistently managed ways of NetworkManager. (I'm not happy
 about NetworkManager, but we seem to be stuck with it going forward.)

ok thx for all your answers!

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Re: [CentOS] best way to start and shutdown programs in CentOS?

2010-11-24 Thread killscript
Les Mikesell wrote:
 The RedHat/Centos way of doing things is to have init scripts in
 /etc/rc.d/init.d that take at least start, stop, and restart as arguments for
 each program that should start automatically.  Then for the runlevels where 
 you
 want them to start you have a symlink where the name starts with S and the 
 rest
 is a number to make it sort alphabetically into the order that things should
 start in /etc/rc?.d (where the ? is the runlevel).  Likewise add links 
 starting
 with 'K' in the levels where the process should be stopped.There is a
 convention for comments in the scripts so that 'checkconfig program on' can 
 make
 the links for you.  Look through some of the other scripts to see how they 
 work.

Sorry for the stupid question here, but does the /etc/initd./scriptname 
file know about these symlinks because of a particular comment in there?

Where and how is the best way to make these symlinks once you have the 
correct file configuration.


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Re: [CentOS] best way to start and shutdown programs in CentOS?

2010-11-24 Thread Hakan Koseoglu
On 24 November 2010 14:20, killscript killscr...@gmail.com wrote:
 Les Mikesell wrote:
 The RedHat/Centos way of doing things is to have init scripts in
 /etc/rc.d/init.d that take at least start, stop, and restart as arguments for
 each program that should start automatically.  Then for the runlevels where 
 you
 want them to start you have a symlink where the name starts with S and the 
 rest
 is a number to make it sort alphabetically into the order that things should
 start in /etc/rc?.d (where the ? is the runlevel).  Likewise add links 
 starting
 with 'K' in the levels where the process should be stopped.    There is a
 convention for comments in the scripts so that 'checkconfig program on' can 
 make
 the links for you.  Look through some of the other scripts to see how they 
 work.

 Sorry for the stupid question here, but does the /etc/initd./scriptname
 file know about these symlinks because of a particular comment in there?
Copied from the man file for chkconfig:

RUNLEVEL FILES
   Each service which should be manageable by chkconfig needs two
or more commented lines added to its  init.d  script.  The  first
   line  tells chkconfig what runlevels the service should be
started in by default, as well as the start and stop priority levels.
   If the service should not, by default, be started in any
runlevels, a - should be used in place of the runlevels list.  The
sec-
   ond line contains a description for the service, and may be
extended across multiple lines with backslash continuation.

   For example, random.init has these three lines:
   # chkconfig: 2345 20 80
   # description: Saves and restores system entropy pool for \
   #  higher quality random number generation.
   This  says that the random script should be started in levels
2, 3, 4, and 5, that its start priority should be 20, and that its
   stop priority should be 80.  You should be able to figure out
what the description says; the \ causes the line to be  continued.
   The extra space in front of the line is ignored.

Basically, create your file by taking one of the files as a sample and
place it in /etc/init.d.
For example, I've copied /etc/init.d/vncserver to /etc/init.d/sample and ran
[r...@hakan init.d]# chkconfig --add sample
[r...@hakan init.d]# chkconfig --list|grep sample
sample  0:off   1:off   2:off   3:off   4:off   5:off   6:off

Now my sample is there but won't run at all but it's all there.
[r...@hakan init.d]# chkconfig sample on
[r...@hakan init.d]# chkconfig --list|grep sample
sample  0:off   1:off   2:on3:on4:on5:on6:off

Now it's on for all of the levels in the comment included in the file.
Nevertheless, I could have overriden that with the ckconfig --level
levels name on command options to run on other levels.

[r...@hakan etc]# find rc* -iname *sample*|sort
rc.d/init.d/sample
rc.d/rc0.d/K35sample
rc.d/rc1.d/K35sample
rc.d/rc2.d/S91sample
rc.d/rc3.d/S91sample
rc.d/rc4.d/S91sample
rc.d/rc5.d/S91sample
rc.d/rc6.d/K35sample

and the file comment looks like below which matches the above, startup
priority is 91, kill priority is 35. It will run on all normal levels
since it's not defined, excluding 1 (single user), 0 (shutdown) and 6
(reboot).

# chkconfig: - 91 35

I better remove this sample from my startup :)
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Re: [CentOS] Novell sale news?

2010-11-24 Thread Toralf Lund
Karanbir Singh wrote:
 On 11/24/2010 10:32 AM, Toralf Lund wrote:
   
 That's going back to the character-mode days.  I meant the GUI version.

   
 I used an X11 version on some Unix variant a long time ago - possibly
 IRIX, but it may have been the DEC one (or both.) This was several years
 

 Thats good, but how is that even remotely related to his list ?
   
It's *remotely* related in that it means someone, somewhere must have 
source code that would probably compile more or less directly under 
CentOS, for the (currently unsupported) software in question.

Apart from that, it's sometimes hard to resist commenting on obviously 
incorrect statements even in an off-topic thread...

- T
 If there is enough interest to build a social sort of list around the 
 centos community, we can always fire up a centos-chatter or 
 centos-social mailing list. Doing this on irc has been, imho, most 
 successful.

 - KB
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Re: [CentOS] Novell sale news?

2010-11-24 Thread Karanbir Singh
On 11/24/2010 02:34 PM, Toralf Lund wrote:
 Thats good, but how is that even remotely related to his list ?

 It's *remotely* related in that it means someone, somewhere must have
 source code that would probably compile more or less directly under
 CentOS, for the (currently unsupported) software in question.

well, ok :)

but it would still be nice to see what people think about a 
centos-social or a centos-offtopic or a centos-chatter list.

- KB
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Re: [CentOS] CentOS vs. RHEL vs. Oracle Linux ?

2010-11-24 Thread Niki Kovacs
Hakan Koseoglu a écrit :
 On 24 November 2010 11:57, Scott Robbins scot...@nyc.rr.com wrote:
 Well, it's pretty similar.  I'm not sure if I messed up the installation
 It's almost identical. Oracle kernel parameters  dependencies can be
 automatically installed during installation albeit later on Oracle
 RDBMS installation gives you warnings since it doesn't like the
 default values in /etc/sysctl.conf as populated by OEL.
 

Thanks for the detailed answers. I'm currently downloading the set of 
five CDs. I already got the first ISO (my connection is slow), burnt it 
and installed it on a spare machine. The installer looks indeed quite 
the same as RHEL/CentOS (and makes you even wonder if they changed 
something besides the name :oD). Since I have to wait for the other ISOs 
to download, I went for a minimal install, e. g. everything unchecked, 
even [Base]. Unfortunately, contrary to CentOS, this way of doing things 
doesn't get me Yum, and a manual install of Yum apparently requires some 
packages that are not on the first CD. So I'll simply wait for the other 
ISOs to download and go for something less minimal.

I'm especially curious to know about the default Yum repos config : 
where does Oracle Linux have its repos and its updates ? Do I have to 
subscribe to something to get them or are they free ? Well, I guess I'll 
have to wait for my download to finish to get the answer.

Cheers,

Niki
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Re: [CentOS] best way to start and shutdown programs in CentOS?

2010-11-24 Thread Les Mikesell
On 11/24/10 8:20 AM, killscript wrote:
 Les Mikesell wrote:
 The RedHat/Centos way of doing things is to have init scripts in
 /etc/rc.d/init.d that take at least start, stop, and restart as arguments for
 each program that should start automatically.  Then for the runlevels where 
 you
 want them to start you have a symlink where the name starts with S and the 
 rest
 is a number to make it sort alphabetically into the order that things should
 start in /etc/rc?.d (where the ? is the runlevel).  Likewise add links 
 starting
 with 'K' in the levels where the process should be stopped.There is a
 convention for comments in the scripts so that 'checkconfig program on' can 
 make
 the links for you.  Look through some of the other scripts to see how they 
 work.

 Sorry for the stupid question here, but does the /etc/initd./scriptname
 file know about these symlinks because of a particular comment in there?

The script itself doesn't need or do anything with the comments.  And I don't 
know if the format is documented anywhere but you can probably figure it out 
from the examples or just copy something that starts/stops where you want.

 Where and how is the best way to make these symlinks once you have the
 correct file configuration.

You can do it manually if you want, but chkconfig is easier.  Here's an article 
with some background. http://www.linuxjournal.com/article/4445.

-- 
   Les Mikesell
lesmikes...@gmail.com
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Re: [CentOS] Novell sale news?

2010-11-24 Thread Les Mikesell
On 11/24/10 8:37 AM, Karanbir Singh wrote:
 On 11/24/2010 02:34 PM, Toralf Lund wrote:
 Thats good, but how is that even remotely related to his list ?

 It's *remotely* related in that it means someone, somewhere must have
 source code that would probably compile more or less directly under
 CentOS, for the (currently unsupported) software in question.

 well, ok :)

 but it would still be nice to see what people think about a
 centos-social or a centos-offtopic or a centos-chatter list.

What we need is a What would a good sysadmin think? list where one of the 
criteria for being a good sysadmin would obviously be that you know something 
about Centos but the rest of the scope covers applications, conversions, 
product 
comparisons, legal issues, etc.  The kind of stuff most of us do every day...

-- 
   Les Mikesell
lesmikes...@gmail.com


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Re: [CentOS] Novell sale news?

2010-11-24 Thread m . roth
Toralf Lund wrote:
 Karanbir Singh wrote:
 On 11/24/2010 10:32 AM, Toralf Lund wrote:
snip
 Thats good, but how is that even remotely related to his list ?

 It's *remotely* related in that it means someone, somewhere must have
 source code that would probably compile more or less directly under
 CentOS, for the (currently unsupported) software in question.

 Apart from that, it's sometimes hard to resist commenting on obviously
 incorrect statements even in an off-topic thread...
snip
Not I can't resist the old quote:
Someone, somewhere on usenet, posted something that was ...wrong.

mark

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Re: [CentOS] CentOS vs. RHEL vs. Oracle Linux ?

2010-11-24 Thread Scott Robbins
On Wed, Nov 24, 2010 at 12:05:39PM +, Hakan Koseoglu wrote:

 On 24 November 2010 11:57, Scott Robbins scot...@nyc.rr.com wrote:
  Well, it's pretty similar.  I'm not sure if I messed up the installation
  I didn't find a samba package, but as this was for one oracle developer
  to transfer files, we just used winscp.  (I also didn't look hard for a
  samba package, at present, this is just a test.)
 Are you sure?

Yes, (I've snipped the rest, where you indicate other places I should
have looked, but thank you.) 

As I said somewhere, I suspect I messed up the install, as I had to
later manually populate /etc/yum.repos.d after googling for where it
should be. 

  Disk naming seems slightly different--we went with more standard
  partitions rather than LVM, and rather than /dev/sda and so on, it was
  /dev---arrgh, I'm not at work, and my mind just went blank--errm, xda
  and xdb?  At any rate, it will be fairly obvious.
 Nope, all comes as sda/sdb etc. if you don't use LVM unless your
 external storage is funky.

Hrrm.  Ok, this is installation on a VMware esx server, using, when
asked to choose guest, an oracle machine.  Devices are xvda and xvdb.  

(Maybe something to do with it being on ESXi?  On another, ESX 3.5
server, all RH is /dev/sda).

Along with, I'm sure, the OP, I want to thank you for this post, it
makes me realize that if we definitely do this for real, there are
obviously some things I missed.

-- 
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[CentOS] LOPSA [Was: Novell sale news?]

2010-11-24 Thread Adam Tauno Williams
On Wed, 2010-11-24 at 08:50 -0600, Les Mikesell wrote: 
 On 11/24/10 8:37 AM, Karanbir Singh wrote:
  On 11/24/2010 02:34 PM, Toralf Lund wrote:
  Thats good, but how is that even remotely related to his list ?
  It's *remotely* related in that it means someone, somewhere must have
  source code that would probably compile more or less directly under
  CentOS, for the (currently unsupported) software in question.
  well, ok :)
  but it would still be nice to see what people think about a
  centos-social or a centos-offtopic or a centos-chatter list.
 What we need is a What would a good sysadmin think? list where one of the 
 criteria for being a good sysadmin would obviously be that you know something 
 about Centos but the rest of the scope covers applications, conversions, 
 product 
 comparisons, legal issues, etc.  The kind of stuff most of us do every day...

Why not head over to LOPSA and join one of their lists?  
https://lopsa.org/
https://lopsa.org/mailman/listinfo

quote
The League of Professional System Administrators (LOPSA) is a nonprofit
corporation with members throughout the world. Our mission is to advance
the practice of system administration; to support, recognize, educate,
and encourage its practitioners; and to serve the public through
education and outreach on system administration issues.

LOPSA membership benefits fall into two classes. The first involves
support of you as a member and a sysadmin. LOPSA is working to provide
educational and networking opportunities, a forum for support and ideas,
and an active community engaged in discussion of sysadmin issues.
/quote

I've always though communities making *-offtopic lists didn't make much
sense - go find an on-topic list.

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Re: [CentOS] Novell sale news?

2010-11-24 Thread Geoff Galitz

 What we need is a What would a good sysadmin think? list where one of 
 the
 criteria for being a good sysadmin would obviously be that you know 
 something
 about Centos but the rest of the scope covers applications, conversions, 
 product
 comparisons, legal issues, etc.  The kind of stuff most of us do every 
 day...

Hmm...  I had been contemplating a generic linux-sysadmin or linux-systems 
list for quite a while.  My vision for the list would be OS distribution 
neutral, though.  Some of us do work in multi-OS shops,  afterall.   If 
there is enough interest (reply to me privately, please) I can set something 
up.

Otherwise a centos-sysadmin list is a good idea, I think.

-Geoff

 

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[CentOS] New list ?

2010-11-24 Thread Karanbir Singh
Hi,

Taking this to a new thread.

Thoughts on getting a new list started up ?  Should it be 
centos-sysadmin or centos-infra ? Are we going to then restrict it to 
admin/infra related chatter ? in which case, does the eyeball density on 
this list reduce for that sort of content ?

How about the politics and news stuff that gets posted to this list. 
And how would those things be addressed with the new admin focused list ?


- KB
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[CentOS] program in centos rpm

2010-11-24 Thread ann kok
Hi all

I can't find some program eg: fping rpm in centos

1/ How can I get this program install if yum won't find it?

2/ Can I use fedora12 fping rpm to install on it?

Thank you


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Re: [CentOS] CentOS vs. RHEL vs. Oracle Linux ?

2010-11-24 Thread Alexander Dalloz

 I'm especially curious to know about the default Yum repos config :
 where does Oracle Linux have its repos and its updates ? Do I have to
 subscribe to something to get them or are they free ? Well, I guess I'll
 have to wait for my download to finish to get the answer.

http://public-yum.oracle.com/

The yum repo is public but just contains the releases, no intermediate
update packages. Those require an account on the ULN. See too

http://www.oracle.com/us/technologies/027617.pdf

The ULN is used by up2date, not yum.

https://linux.oracle.com/uln_faq.html

 Cheers,

 Niki

Alexander



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Re: [CentOS] program in centos rpm

2010-11-24 Thread Frank Cox
On Wed, 24 Nov 2010 08:01:45 -0800 (PST)
ann kok wrote:

 1/ How can I get this program install if yum won't find it?

Generally speaking it's best to stick with rpm installs on a Centos system but
if something consists of, for example, one single executable file, then you can
just copy that anywhere that's convenient and run it from there.  (Put it
in /usr/local/bin if you want multiple users to have access to it, put it into
~/bin if you just want to use it yourself.  That way it's on your default path.)

 2/ Can I use fedora12 fping rpm to install on it?

Some Fedora srpms can be recompiled for Centos.  Sometimes it's a simple matter
of rpmbuild --rebuild whatever.srpm, sometimes you have to edit the .spec
file to make it work.  And sometimes it doesn't work at all, depending on other
factors like dependencies.

-- 
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Re: [CentOS] New list ?

2010-11-24 Thread Frank Cox
On Wed, 24 Nov 2010 15:47:39 +
Karanbir Singh wrote:

 Hi,
 
 Taking this to a new thread.
 
 Thoughts on getting a new list started up ?  Should it be 
 centos-sysadmin or centos-infra ? Are we going to then restrict it to 
 admin/infra related chatter ? in which case, does the eyeball density on 
 this list reduce for that sort of content ?

The problem with starting a new list is just exactly that:  You split the
audience and have less exposure on both lists.  Everyone then needs to subscribe
to two lists instead of one to keep up with stuff.

 How about the politics and news stuff that gets posted to this list. 
 And how would those things be addressed with the new admin focused list ?

My personal opinion is that it's not a big deal.  As with other mailing lists,
stuff I'm not interested in I simply ignore.

Even though it's not directly on-topic for this list, I personally find the WP
thread interesting.  We don't need another Slashdot on a mailing list, of
course, but it's not out of hand yet in my humble opinion.

Of course, if others see a need to start another list then I'm perfectly happy
to tag along and join up with that one, too.


-- 
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Re: [CentOS] New list ?

2010-11-24 Thread Keith Keller
On Wed, Nov 24, 2010 at 03:47:39PM +, Karanbir Singh wrote:
 
 Thoughts on getting a new list started up ?  Should it be 
 centos-sysadmin or centos-infra ? Are we going to then restrict it to 
 admin/infra related chatter ? in which case, does the eyeball density on 
 this list reduce for that sort of content ?
 
 How about the politics and news stuff that gets posted to this list. 
 And how would those things be addressed with the new admin focused list ?

I like the idea of a catch-all offtopic list--the objection raised that
there exists a list where this is on-topic means that a) one has to
find this list, b) one has to join this list, and c) one has to learn
the local conventions on this list, all before posting something you
think might be relevant.  Whereas, if there is a centos-offtopic list
or similar, which is very likely a high proportion of centos readers,
you don't have any of these concerns (well, unless you go completely
nuts like how do I find an SM club in Sochi?).

Beyond that, what would the topic(s)/topic limits of the new list(s) 
be?  One potential proposal:

centos-admin: tech topics that are not directly related to CentOS
(Niki's Oracle Linux question would fit here)

centos-offtopic: any other random runaway threads or non-tech topics

We on the centos list need to be disciplined to move threads to the
appropriate list when they get offtopic for centos (this means not
relying on KB to intervene, but suggesting a move ourselves if we see it
before someone else does) if we do go ahead with new lists that are not
directly on-topic.

--keith

-- 
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Re: [CentOS] program in centos rpm

2010-11-24 Thread Tony Schreiner

On Nov 24, 2010, at 11:01 AM, ann kok wrote:

 Hi all

 I can't find some program eg: fping rpm in centos

 1/ How can I get this program install if yum won't find it?

 2/ Can I use fedora12 fping rpm to install on it?

 Thank you


the EPEL repo has fping for centos

see http://fedoraproject.org/wiki/EPEL

Tony
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Re: [CentOS] CentOS vs. RHEL vs. Oracle Linux ?

2010-11-24 Thread Hakan Koseoglu
On 24 November 2010 15:13, Scott Robbins scot...@nyc.rr.com wrote:
 Nope, all comes as sda/sdb etc. if you don't use LVM unless your
 external storage is funky.
 Hrrm.  Ok, this is installation on a VMware esx server, using, when
 asked to choose guest, an oracle machine.  Devices are xvda and xvdb.
Aaah, that's interesting. I've done it on an ESX 4.x server but got
none of those. On the other hand, I didn't say it was an Oracle
machine, just a RHEL one (didn't found it necessary to distinguish one
from other, we tend to deploy CentOS on our ESX server for test/dev
environments but we have a couple of RHEL and OEL ones as well.
That's worth trying again. :)

 Along with, I'm sure, the OP, I want to thank you for this post, it
 makes me realize that if we definitely do this for real, there are
 obviously some things I missed.
OEL is a funny one. The only reason it exists is to destroy the
upstream. They're completely unlike CentOS in mentality. Their main
reason of existence is cutting RHEL from support revenue. Our PHBs
decided to use OEL for customers since we're an Oracle shop at work so
getting all licences  support from a single source makes accounting
easier. In any case, after a typical Oracle Enterprise licence
calculation RHEL or OEL seems like peanuts. What worries me is with
OEL eating the support revenue from RHEL and simultaneously being
dependent on RHEL for upstream dev  patches, it's not a long-term
viable situation, it's not even a partnership.

There are other little things why we would go for OEL, one being the
OCFS2 when we do shared-storage clusters. Reading the small pring
gives you the impression that Oracle won't support OCFS2 unless it's
OEL. I'm not sure that's true but hey, that's what's been decided at
work.

As I mentioned, the other funny thing is if you choose
Oracle-validated package, it stuffs your sysconf.ctl with values. Then
try installing Oracle 11g (R1 or R2) on it, the installer barfs up
warnings about various kernel parameters being wrong.

There's a public yum repo but as Alexander has mentioned, not much of a use.

I'm not a big fan of OEL. I'd rather use upstream with paying
customers and CentOS internally. Unfortunately this decision is out of
my hands.
-- 
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Re: [CentOS] New list ?

2010-11-24 Thread Brunner, Brian T.

  Thoughts on getting a new list started up ?  
 
 The problem with starting a new list is just exactly that:  
 You split the audience and have less exposure on both lists.  
 Everyone then needs to subscribe to two lists instead of one 
 to keep up with stuff.

+1

 My personal opinion is that it's not a big deal.  As with 
 other mailing lists, stuff I'm not interested in I simply ignore.

+1

 Even though it's not directly on-topic for this list, I 
 personally find the WP thread interesting.  

+1

I am fascinated to eavesdrop on the techno-babble of fogies as old as
myself.  I learned BASIC on a PDP-11/45, Fortran on a CDC 3150 (We
celebrated the day the 2nd bank of 32K of (real) core was added); my
first code-for-pay was with TECO on a PDP-10 cross-compiled to a
Rockwell 6502 target.  *nostalgic sigh*.
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Re: [CentOS] Centos 5.5 - php53 and mhash

2010-11-24 Thread nux
f...@ll writes:

 Hi,
 
 I'm using repo from http://dl.iuscommunity.org/ and I want use php5.3
 but I can't see module php53-mhash, where I find this module? Any repo
 can I use where this module I find?
 
 f...@ll

Afaik the mhash module is no longer available in php 5.3 (no matter what 
repo you use), I think it has been obsoleted by something else within the 
php core (or added to the core). Google for more info, as I'm speaking from 
vague memories.

 
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Re: [CentOS] New list ?

2010-11-24 Thread Frank Cox
On Wed, 24 Nov 2010 08:24:03 -0800
Keith Keller wrote:

 this means not
 relying on KB to intervene, but suggesting a move ourselves if we see it
 before someone else does) if we do go ahead with new lists that are not
 directly on-topic.

Then you get eighty-seven people jumping on a message saying that's off-topic,
move it X.  Which creates far more noise than the initial offence.

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Re: [CentOS] New list ?

2010-11-24 Thread Mathieu Baudier
 My personal opinion is that it's not a big deal.  As with other mailing lists,
 stuff I'm not interested in I simply ignore.

+1
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Re: [CentOS] New list ? [OT]

2010-11-24 Thread Jason Pyeron
 -Original Message-
 From: centos-boun...@centos.org 
 [mailto:centos-boun...@centos.org] On Behalf Of Mathieu Baudier
 Sent: Wednesday, November 24, 2010 11:42
 To: CentOS mailing list
 Subject: Re: [CentOS] New list ?
 
  My personal opinion is that it's not a big deal.  As with other 
  mailing lists, stuff I'm not interested in I simply ignore.
 
 +1

Pardon my pre-holiday humor...

If everyone ignores what they are not interested in, then why are people
responding against the topic???

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- Principal Consultant  10 West 24th Street #100-
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Re: [CentOS] New list ?

2010-11-24 Thread Jerry McAllister
On Wed, Nov 24, 2010 at 10:41:58AM -0600, Frank Cox wrote:

 On Wed, 24 Nov 2010 08:24:03 -0800
 Keith Keller wrote:
 
  this means not
  relying on KB to intervene, but suggesting a move ourselves if we see it
  before someone else does) if we do go ahead with new lists that are not
  directly on-topic.
 
 Then you get eighty-seven people jumping on a message saying 
 that's off-topic, move it X.  
 Which creates far more noise than the initial offence.

Hear hear.   The biggest noise on almost all lists seems to be those
complaining about someone posting OT or otherwise against their idea
of properly.

I'd rather delete 10 OT posts than 80 complaints about it being OT.
My CTS starts to act up.

jerry


 
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Re: [CentOS] CentOS vs. RHEL vs. Oracle Linux ?

2010-11-24 Thread Scott Robbins
On Wed, Nov 24, 2010 at 04:30:32PM +, Hakan Koseoglu wrote:
 On 24 November 2010 15:13, Scott Robbins scot...@nyc.rr.com wrote:
 


  Along with, I'm sure, the OP, I want to thank you for this post, it
  makes me realize that if we definitely do this for real, there are
  obviously some things I missed.

 OEL is a funny one. The only reason it exists is to destroy the
 upstream. They're completely unlike CentOS in mentality. Their main
 reason of existence is cutting RHEL from support revenue. Our PHBs
 decided to use OEL for customers since we're an Oracle shop at work so
 getting all licences  support from a single source makes accounting
 easier. 

In our case, it has something to do with support--we are still
discussing this--my own take is that the problem won't be with the
platform, so we should use CentOS, or if management wants to be sure of
paid support, which does make sense, use RH.  Oracle is saying there may
be issues of aspect X not being supported if we don't do all of this on
Oracle. 

In any case, after a typical Oracle Enterprise licence
 calculation RHEL or OEL seems like peanuts. 

LOL.  Yes, literally out loud. It just echoes some of what one our web
developers said.

What worries me is with
 OEL eating the support revenue from RHEL and simultaneously being
 dependent on RHEL for upstream dev  patches, it's not a long-term
 viable situation, it's not even a partnership.
 
 There are other little things why we would go for OEL, one being the
 OCFS2 when we do shared-storage clusters. Reading the small pring
 gives you the impression that Oracle won't support OCFS2 unless it's
 OEL. I'm not sure that's true but hey, that's what's been decided at
 work.

Yeah, see above.  
 

 As I mentioned, the other funny thing is if you choose
 Oracle-validated package, it stuffs your sysconf.ctl with values. Then
 try installing Oracle 11g (R1 or R2) on it, the installer barfs up
 warnings about various kernel parameters being wrong.
 
 There's a public yum repo but as Alexander has mentioned, not much of a use.
 

I think that's what I took (using a recommendation that I *thought* was
from Oracle's site), which may explain the samba thing.  I didn't choose
it during installation, although, since for our uses, that WinSCP is an
easier and just as effective solution, that particular thing didn't
matter--still, I bet that's it. 


 I'm not a big fan of OEL. I'd rather use upstream with paying
 customers and CentOS internally. Unfortunately this decision is out of
 my hands.

+1.  Once again, many thanks for the input.  


-- 
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Re: [CentOS] DNS update system-config-network GUI

2010-11-24 Thread Lanny Marcus
On Thu, Nov 18, 2010 at 7:18 AM, Phil Savoie psavoie1...@rogers.com wrote:
 On 11/18/2010 07:09 AM, Lanny Marcus wrote:
 Box is fully updated CentOS 5.5 (32 bit). DHCP is from the ADSL modem
 192.168.1.1. After I update the DNS settings and restart the network,
 the DNS changes do not hold. I have tried using this GUI, as a regular
 user, after giving the root password, and, also, logged in as the root
 user.

Thanks to Phil and everyone else who replied to this!  Sorry for the
delay in my response. The house was hit by Lightning again (2X in 27
days, nothing before, in 6 1/2 years).  Online again.  :-)

I will try what has been suggested here and (hopefully) report back
that I solved the problem.

The ADSL Modem is the DHCP server.  I have an old Linksys
Router/Switch working as a Switch, to share the Internet. Both are set
to the OpenDNS IP addresses.

This box is dual boot (WinXP and CentOS) and the DNS changes held in
WinXP, so this is a matter of getting it configured properly,
manually, in the config file and not with the GUI...   :-)

Again, my thanks for each of you, for sharing your expertise!
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Re: [CentOS] New list ?

2010-11-24 Thread Hakan Koseoglu
On 24 November 2010 16:42, Mathieu Baudier mbaud...@argeo.org wrote:
 My personal opinion is that it's not a big deal.  As with other mailing 
 lists,
 stuff I'm not interested in I simply ignore.
 +1
+1, this is not a high volume list, we can just ignore threads we're
not interested by skipping them. :)

-- 
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[CentOS] Optimal VPN

2010-11-24 Thread tony . chamberlain


I am looking for the optimal VPN. Well it doens't have to be that elaborate.
Just the best VPN. We currently have some customers using PPTP, some using
openvpn, some using Cisco Any Connect and there are a few others.

So my question is, if you have control of both ends (client and server)
what is the best VPN to use? There are not too many requirements, but a
big one is

The VPN must return the same IP address to the same user each time

That is there must be a specific IP address assigned to a user/password
combination. pptp does not really do this but I wrote sort of a backend
(or maybe frontend? ;-) ) to change the IP address assigned based on a
login and password. It is extra stuff I would prefer not to do though.


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Re: [CentOS] New list ?

2010-11-24 Thread Karanbir Singh
On 11/24/2010 05:04 PM, Hakan Koseoglu wrote:
 My personal opinion is that it's not a big deal.  As with other mailing 
 lists,
 stuff I'm not interested in I simply ignore.

Are you saying that having focus and topic specific lists are not 
something you agree with ? Because thats what it sounds like!

- KB
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Re: [CentOS] New list ?

2010-11-24 Thread Hakan Koseoglu
On 24 November 2010 17:06, Karanbir Singh mail-li...@karan.org wrote:
 On 11/24/2010 05:04 PM, Hakan Koseoglu wrote:
 Are you saying that having focus and topic specific lists are not
 something you agree with ? Because thats what it sounds like!

OK, instead of quoting other people: I think for a list with such a
low volume (comparable to some other Linux-related mailing lists),
having separate mailing lists (apart from announcements) is not
necessary.

In higher volume and lower SNR lists (can you hear me ubuntu-users
mailing list! Oh no, you can't because I've unsub'd a while ago, thx
to the SNR of zero. No signal, all noise), that's positively
beneficial.

OTOH, it's only my take on it and I'm nothing but a user of mailing
lists. In the end if there are more than one list, I'll end up
subscribing the lot so not a lot will change in my mailbox! :)
-- 
Hakan (m1fcj) - http://www.hititgunesi.org
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Re: [CentOS] New list ?

2010-11-24 Thread Frank Cox
On Wed, 24 Nov 2010 17:06:05 +
Karanbir Singh wrote:

 Are you saying that having focus and topic specific lists are not 
 something you agree with ? Because thats what it sounds like!

As with so many other things, a concept of reasonableness and common sense
comes into play.  The grey cat theory, as it were.

I see value in having a mailing list devoted to Centos; that's why I'm here.  I
further see no large problems here with off-topic postings.  This doesn't mean
that I see no off-topic postings here but the volume is not out-of-hand and the
topics covered are still generally interesting to the kind of folks who
subscribe to this kind mailing list.

On the other hand, there is of course a potential that the list could be taken
over by off-topic posts.  And we're back to the grey cat.

Reasonable off-topic posts aren't a problem.  Problematic off-topic posts are a
problem.  Drawing the line could be interesting, but most people can spot that
cat even if they can't define it.  Then we'll drag it out and shoot it!

-- 
MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com
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Re: [CentOS] Optimal VPN

2010-11-24 Thread nux
tony.chamberl...@lemko.com writes:

 
 
 I am looking for the optimal VPN. Well it doens't have to be that elaborate.
 Just the best VPN. We currently have some customers using PPTP, some using
 openvpn, some using Cisco Any Connect and there are a few others.
 
 So my question is, if you have control of both ends (client and server)
 what is the best VPN to use? There are not too many requirements, but a
 big one is
 
 The VPN must return the same IP address to the same user each time
 
 That is there must be a specific IP address assigned to a user/password
 combination. pptp does not really do this but I wrote sort of a backend
 (or maybe frontend? ;-) ) to change the IP address assigned based on a
 login and password. It is extra stuff I would prefer not to do though.
 
 
OpenVPN can do that (see their commercial solution as well).

 
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Re: [CentOS] best way to start and shutdown programs in CentOS?

2010-11-24 Thread sheraz naz
 From: killscript killscr...@gmail.com

 Sorry for the stupid question here, but does the /etc/initd./scriptname 
 file know about these symlinks because of a particular comment in there?

 Where and how is the best way to make these symlinks once you have the 
 correct file configuration.

Les already answered this
 There is a convention for comments in the scripts so that 'checkconfig 
 program 
on' can make
 the links for you.  Look through some of the other scripts to see how they 
work.

You need to add a line in your script, something like this...(starts with #).
# chkconfig: 2345 90 05

Add the program to chkconfig, and simply turn it on for runlevel you want.
Chkconfig will manage the symlinks for you. 

Thanks
Sheraz
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Re: [CentOS] CentOS 5.5: what do /etc/sysconfig/networking and /etc/sysconfig/network-scripts exactly ?

2010-11-24 Thread Keith Roberts
On Wed, 24 Nov 2010, John R Pierce wrote:

 To: centos@centos.org
 From: John R Pierce pie...@hogranch.com
 Subject: Re: [CentOS] CentOS 5.5: what do /etc/sysconfig/networking and
 /etc/sysconfig/network-scripts exactly ?
 
 On 11/24/10 12:14 AM, giggzounet wrote:
 Hi,

 on our cluster we have 5 network interfaces. I was surprised to discover
 that the ifcfd-* files under /etc/sysconfig/networking and
 /etc/sysconfig/network-scripts were not the same. So I have searched a
 little bit, but I'm now confused:

 - the files under /etc/sysconfig/networking come from system-config-network.
 - the files under /etc/sysconfig/network-scripts are read by the
 /etc/init.d/network script and used to set up the network interfaces.
 - I don't find where the files under /etc/sysconfig/networking are used.
 - Does system-config-network modify the file under
 /etc/sysconfig/network-scripts too ?

 Is there someone who can enlightenment me ?

 take a look at /etc/rc.d/init.d/network

 thats the script that runs all that other stuff to fire up all the
 networking interfaces defined.

 its moderately complicated.

Some of the ifcfg* scripts may also be hard-linked to make 
things a little more complicated.

Keith

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Re: [CentOS] Novell sale news?

2010-11-24 Thread Bill Campbell
On Wed, Nov 24, 2010, Toralf Lund wrote:
Karanbir Singh wrote:
 On 11/24/2010 10:32 AM, Toralf Lund wrote:
   
 That's going back to the character-mode days.  I meant the GUI version.

   
 I used an X11 version on some Unix variant a long time ago - possibly
 IRIX, but it may have been the DEC one (or both.) This was several years
 

 Thats good, but how is that even remotely related to his list ?
   
It's *remotely* related in that it means someone, somewhere must have 
source code that would probably compile more or less directly under 
CentOS, for the (currently unsupported) software in question.

I find lists where there's fairly open discussion of topics more
useful than those that deal with very narrow topics.  It's
amazing how many times I learn something useful that I never
would have seen on a restricted list (e.g. I learned about the
Mac RSS reader NetNewsWire on a local Linux group list).

If a topic is uninteresting, ctrl-d with mutt on the thread nukes
it quickly.

Bill
-- 
INTERNET:   b...@celestial.com  Bill Campbell; Celestial Software LLC
URL: http://www.celestial.com/  PO Box 820; 6641 E. Mercer Way
Voice:  (206) 236-1676  Mercer Island, WA 98040-0820
Fax:(206) 232-9186  Skype: jwccsllc (206) 855-5792

Anyone who thinks Microsoft never does anything truly innovative isn't
paying attention to the part of the company that pushes the state of
its art: Microsoft's legal department. 
   --Ed Foster, InfoWorld Gripe Line columnist
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Re: [CentOS] Novell sale news?

2010-11-24 Thread Keith Roberts
On Wed, 24 Nov 2010, Les Mikesell wrote:

 To: centos@centos.org
 From: Les Mikesell lesmikes...@gmail.com
 Subject: Re: [CentOS] Novell sale news?
 
 On 11/24/10 8:37 AM, Karanbir Singh wrote:
 On 11/24/2010 02:34 PM, Toralf Lund wrote:
 Thats good, but how is that even remotely related to his list ?

 It's *remotely* related in that it means someone, somewhere must have
 source code that would probably compile more or less directly under
 CentOS, for the (currently unsupported) software in question.

 well, ok :)

 but it would still be nice to see what people think about a
 centos-social or a centos-offtopic or a centos-chatter list.

 What we need is a What would a good sysadmin think? list where one of the
 criteria for being a good sysadmin would obviously be that you know something
 about Centos but the rest of the scope covers applications, conversions, 
 product
 comparisons, legal issues, etc.  The kind of stuff most of us do every day...

Sounds OK to me.

Keith

-- 
In theory, theory and practice are the same;
in practice they are not.

This email was sent from my laptop with Centos 5.5
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Re: [CentOS] New list ?

2010-11-24 Thread Bill Campbell
On Wed, Nov 24, 2010, Karanbir Singh wrote:
On 11/24/2010 05:04 PM, Hakan Koseoglu wrote:
 My personal opinion is that it's not a big deal.  As with other mailing 
 lists,
 stuff I'm not interested in I simply ignore.

Are you saying that having focus and topic specific lists are not 
something you agree with ? Because thats what it sounds like!

I would agree with that.  The Apple mailing lists are a great
example, they have a metric tonne of mailing lists, each on a
specific topic, but none of general interest where one can ask an
off-the-wall question without getting flamed.

One of my favorite Linux related lists is the one that started as
a Caldera users mailing list, and is still going today.  There's
a pretty strong sense of community on that list with participants
all over the place in terms of Linux usage and geography.  Off
topic items have ranged from who makes the hottest chili to the
draught in Australia and how people deal with it.

Bill
-- 
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Voice:  (206) 236-1676  Mercer Island, WA 98040-0820
Fax:(206) 232-9186  Skype: jwccsllc (206) 855-5792

I believe that banking institutions are more dangerous to our liberties
than standing armies. If the American people ever allow private banks
to control the issue of their currency, first by inflation, then by
deflation, the banks and corporations that will grow up around the
banks will deprive the people of all property until their children
wake up homeless on the continent their fathers conquered.
  -- Thomas Jefferson 1802
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Re: [CentOS] Optimal VPN

2010-11-24 Thread Bill Campbell
On Wed, Nov 24, 2010, n...@li.nux.ro wrote:
tony.chamberl...@lemko.com writes:
 
 I am looking for the optimal VPN. Well it doens't have to be that elaborate.
 Just the best VPN. We currently have some customers using PPTP, some using
 openvpn, some using Cisco Any Connect and there are a few others.
 
 So my question is, if you have control of both ends (client and server)
 what is the best VPN to use? There are not too many requirements, but a
 big one is
 
 The VPN must return the same IP address to the same user each time
 
 That is there must be a specific IP address assigned to a user/password
 combination. pptp does not really do this but I wrote sort of a backend
 (or maybe frontend? ;-) ) to change the IP address assigned based on a
 login and password. It is extra stuff I would prefer not to do though.
 
OpenVPN can do that (see their commercial solution as well).

We use OpenVPN for most things, and pptp (poptop) for connections
where the OpenVPN client's aren't available (e.g. iPad, iPhone,
iPod Touch).

Bill
-- 
INTERNET:   b...@celestial.com  Bill Campbell; Celestial Software LLC
URL: http://www.celestial.com/  PO Box 820; 6641 E. Mercer Way
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Fax:(206) 232-9186  Skype: jwccsllc (206) 855-5792

In free governments the rulers are the servants, and the people their
superiors  sovereigns. -- Benjamin Franklin
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Re: [CentOS] Optimal VPN

2010-11-24 Thread John Hodrien
On Wed, 24 Nov 2010, Bill Campbell wrote:

 We use OpenVPN for most things, and pptp (poptop) for connections
 where the OpenVPN client's aren't available (e.g. iPad, iPhone,
 iPod Touch).

Is there anything to make you choose pptp over IPSec?  There are a number of
issues with PPTP that'd make me push it down my list of ideal VPNs.

jh
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Re: [CentOS] New list ?

2010-11-24 Thread Bowie Bailey
On 11/24/2010 10:47 AM, Karanbir Singh wrote:
 Hi,

 Taking this to a new thread.

 Thoughts on getting a new list started up ?  Should it be 
 centos-sysadmin or centos-infra ? Are we going to then restrict it to 
 admin/infra related chatter ? in which case, does the eyeball density on 
 this list reduce for that sort of content ?

 How about the politics and news stuff that gets posted to this list. 
 And how would those things be addressed with the new admin focused list ?

I agree with most of the other posts.  This is the highest volume
mailing list that I'm on at the moment, but I still don't think there is
a high enough volume that it needs to be split up.  It would create
confusion about the proper place to post questions, since questions
frequently do not fit into simple categories.  It also (as has already
been said) will create more useless posts talking about the proper list
for various questions.

I'll put my vote in for keeping the single list.

-- 
Bowie
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Re: [CentOS] program in centos rpm

2010-11-24 Thread Nico Kadel-Garcia
On Wed, Nov 24, 2010 at 11:09 AM, Frank Cox thea...@sasktel.net wrote:
 On Wed, 24 Nov 2010 08:01:45 -0800 (PST)
 ann kok wrote:

 1/ How can I get this program install if yum won't find it?

 Generally speaking it's best to stick with rpm installs on a Centos system but
 if something consists of, for example, one single executable file, then you 
 can
 just copy that anywhere that's convenient and run it from there.  (Put it
 in /usr/local/bin if you want multiple users to have access to it, put it into
 ~/bin if you just want to use it yourself.  That way it's on your default 
 path.)

 2/ Can I use fedora12 fping rpm to install on it?

 Some Fedora srpms can be recompiled for Centos.  Sometimes it's a simple 
 matter
 of rpmbuild --rebuild whatever.srpm, sometimes you have to edit the .spec
 file to make it work.  And sometimes it doesn't work at all, depending on 
 other
 factors like dependencies.

It's not as easy as one might hope: There are new guidelins for
writing Fedora RPM's, such as the use of '%global' instead of
'%define', that can be very confusing.

Also, the SRPM's from RHEL 6 and from Fedora 14 often have a 'docs'
package that is compiled with the BuildArch: noarch option, which
breaks the living tar out of compiling it unde CentOS 5.x or RHEL 5.x
due to scattered debugifo debris which is not correctly bundled.
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Re: [CentOS] Optimal VPN

2010-11-24 Thread Bill Campbell
On Wed, Nov 24, 2010, John Hodrien wrote:
On Wed, 24 Nov 2010, Bill Campbell wrote:

 We use OpenVPN for most things, and pptp (poptop) for connections
 where the OpenVPN client's aren't available (e.g. iPad, iPhone,
 iPod Touch).

Is there anything to make you choose pptp over IPSec?  There are a number of
issues with PPTP that'd make me push it down my list of ideal VPNs.

Yup.  I've never been able to get IPSec and OpenVPN working
together on a Linux box.  Perhaps it's brain-fade on my part, but
I have spent quite a bit of time trying.

I have read that the original arguments about kindergarten
cryptography from Microsoft in PPTP are not as valid as they once
were, and we're not running it from Windows clients in any case,
they're all using OpenVPN clients.

The only place I'm currently running PPTP is from my iPad with
iSSH to connect to our network.  Any other connections I might
need to make from the iPad are done with another ssh connections
that originates from our LAN, not direct from the iPad.  Other
connections via the PPTP VPN are encrypted IMAP/SMTP connections
to servers on the private side of our network.

Bill
-- 
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URL: http://www.celestial.com/  PO Box 820; 6641 E. Mercer Way
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Re: [CentOS] Novell sale news?

2010-11-24 Thread Joshua Baker-LePain
On Wed, 24 Nov 2010 at 10:00am, m.r...@5-cent.us wrote

 Not I can't resist the old quote:
 Someone, somewhere on usenet, posted something that was ...wrong.

http://xkcd.com/386/

-- 
Joshua Baker-LePain
QB3 Shared Cluster Sysadmin
UCSF
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[CentOS] Gnome 2.32 backported to RHEL6

2010-11-24 Thread Sergio Rubio
Hi all,

In case anyone is interested, I´ve backported Gnome 2.32 from F14 to RHEL6
for my own good :

http://blog.frameos.org/2010/11/24/installing-gnome-2-32-in-red-hat-enterprise-linux-6-x86_64/

Packages tagged with frameos in the release version have been patched by my
self. Sources:

http://mirror.frameos.org/frameos/6/experimental/SRPMS/

Enjoy!

-- 
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website: http://www.frameos.org http://www.frameos.org
twitter:   @rubiojr
blog:  http://blog.frameos.org
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Re: [CentOS] Optimal VPN

2010-11-24 Thread Nico Kadel-Garcia
On Wed, Nov 24, 2010 at 12:48 PM, John Hodrien j.h.hodr...@leeds.ac.uk wrote:
 On Wed, 24 Nov 2010, Bill Campbell wrote:

 We use OpenVPN for most things, and pptp (poptop) for connections
 where the OpenVPN client's aren't available (e.g. iPad, iPhone,
 iPod Touch).

 Is there anything to make you choose pptp over IPSec?  There are a number of
 issues with PPTP that'd make me push it down my list of ideal VPNs.

From personal experience, it's lighter weight to set up on the server,
it's compatible with Windows client's built-in VPN clients without
emotianal pain or traume, it doesn't require awkward client setups of
third party components, and it keeps you away from the very expensive
and so feature-filled, it's useless mongolian !...@#$!@$#! that is the
Cisco tool suite.
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Re: [CentOS] Word Perfect [Was: Novell sale news?]

2010-11-24 Thread C.M. Connelly
ATW == Adam Tauno Williams awill...@whitemice.org

ATW I'm pretty sure they did have such a version; WP was the
ATW first 'real' word processor available for LINUX.  I ran
ATW it on a LINUX host and a dozen or so NCD X-terminals.  It
ATW worked, but I can't imagine anyone having been a fan. It
ATW was slow, clunky, and just ugly.

At a previous job, we ran it on HP-UX (with lots of terminal
sessions).  Over time, most everyone ended up with Windows
machines, but still with WordPerfect/PerfectOffice.  By the time I
left, there was a push to move to Word (I got out just in time!).


ATW And as for reveal codes... OOo has a mode that displays
ATW non-printable characters. Beyond that I just don't see
ATW the point.  OOo's document collaboration and versioning
ATW tools are far and away better than what I recall from WP.

These days I prefer LaTeX's reveal-codes feature, with
collaboration and versioning provided via Subversion or git.  ;-)

   Claire

*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
  Claire M. Connelly c...@math.hmc.edu
  System Administrator, Dept. of Mathematics, Harvey Mudd College
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*


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Re: [CentOS] Novell sale news?

2010-11-24 Thread m . roth
Joshua Baker-LePain wrote:
 On Wed, 24 Nov 2010 at 10:00am, m.r...@5-cent.us wrote

 Not I can't resist the old quote:
 Someone, somewhere on usenet, posted something that was ...wrong.

 http://xkcd.com/386/

Yep. But I remember seeing that quote, hanging out on usenet, at least by
the mid-nineties, and I think it was old, then.

 mark shall I correct you?

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Re: [CentOS] New list ?

2010-11-24 Thread Spiro Harvey
 Thoughts on getting a new list started up ?  Should it be 
 centos-sysadmin or centos-infra ? Are we going to then restrict it to 
 admin/infra related chatter ? in which case, does the eyeball density
 on this list reduce for that sort of content ?

I would love a new list for sysadmins. Having a lower volume list that
does not encourage newbie posts would be ideal for me. Serious technical
problems either go unanswered because they get lost in the noise, or
because maybe the more knowledgable sysadmins don't waste their time
here.

I don't mean to say there aren't knowledgeable and able people here,
but I think if there was a list focused to them, then I think that
would attract more technical people who are able to help each other out
on problems higher up the food chain.

But maybe that's an idea for a generic linux list and not a CentOS
focused one.

-- 
Spiro Harvey   Knossos Networks Ltd
(04) 460-2531 : (021) 295-1923  www.knossos.net.nz


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Re: [CentOS] New list ?

2010-11-24 Thread Spiro Harvey
Further to my last email, another option for more technical users is
Reddit. I started http://www.reddit.com/r/linuxadmin about a year ago.

Free signup, no confirmation, just choose a login and password and go
(and there's much more on Reddit which may appeal).

/r/linuxadmin currently has just under 900 readers.

It's not CentOS focused, but is aimed at more technical problems and
discussions and may be an alternative for people if this list doesn't
get split.


-- 
Spiro Harvey   Knossos Networks Ltd
(04) 460-2531 : (021) 295-1923  www.knossos.net.nz


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Re: [CentOS] New list ?

2010-11-24 Thread Adam Tauno Williams
On Thu, 2010-11-25 at 09:06 +1300, Spiro Harvey wrote: 
 I don't mean to say there aren't knowledgeable and able people here,
 but I think if there was a list focused to them, then I think that
 would attract more technical people who are able to help each other out
 on problems higher up the food chain.
 But maybe that's an idea for a generic linux list and not a CentOS
 focused one.

These already exist. [And I agree, most of administration is
distribution agnostic].

lopsa-tech is very high quality.
https://lists.lopsa.org/cgi-bin/mailman/listinfo/tech
quote
The t...@lopsa.org mailing list is an open forum for the discussion of
any technical topics of interest to systems administrators. This list is
technology agnostic, and constructive communications regarding any
operating system, vendor, or technology are welcome.
/quote

But in general it is simply true that if you want answers about
something specific you are better off on a specific list - because that
is where the people who have the answers are.  Whether that is the Samba
list(s), the Postfix list, the OpenLDAP list(s), bind-users@, etc...

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Re: [CentOS] New list ?

2010-11-24 Thread m . roth
Spiro Harvey wrote:
 Thoughts on getting a new list started up ?  Should it be
 centos-sysadmin or centos-infra ? Are we going to then restrict it to
 admin/infra related chatter ? in which case, does the eyeball density
 on this list reduce for that sort of content ?

 I would love a new list for sysadmins. Having a lower volume list that
 does not encourage newbie posts would be ideal for me. Serious technical
 problems either go unanswered because they get lost in the noise, or
 because maybe the more knowledgable sysadmins don't waste their time
 here.
snip
I suppose I should dust off and finish up the FAQ that I wrote up six
months or so ago. That might help cut some of the really obnoxious newby
posts (WoW!!! I just installed CentOS, ain't I l33t, now how do I log
in?!?!?!).

 mark


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Re: [CentOS] New list ?

2010-11-24 Thread m . roth
Adam Tauno Williams wrote:
 On Thu, 2010-11-25 at 09:06 +1300, Spiro Harvey wrote:
 I don't mean to say there aren't knowledgeable and able people here,
 but I think if there was a list focused to them, then I think that
 would attract more technical people who are able to help each other out
 on problems higher up the food chain.
 But maybe that's an idea for a generic linux list and not a CentOS
 focused one.

 These already exist. [And I agree, most of administration is
 distribution agnostic].

 lopsa-tech is very high quality.
 https://lists.lopsa.org/cgi-bin/mailman/listinfo/tech
 quote
Then there's SAGE (the System Administrators' Guild), which I've batted
around the idea of joining

mark

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Re: [CentOS] best way to start and shutdown programs in CentOS?

2010-11-24 Thread Jeff
On Sun, Nov 21, 2010 at 6:19 PM, Kill Script killscr...@gmail.com wrote:
 I have a Java program that I want to start up with every boot, but I'm
 unsure how to do it.
 There are two bootup scripts that start manually (script1.sh and
 script2.sh), and when the server gets shutdown, we have another script that
 we run (shutdownscript.sh) so that the DB does not get corrupted.

Have you looked at Java Service Wrapper:

http://wrapper.tanukisoftware.com/doc/english/introduction.html

Ultimately, you will be creating an init.d script as discussed in this
thread, but this provides some java-specific features.

-- Jeff
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Re: [CentOS] Optimal VPN

2010-11-24 Thread Eero Volotinen
2010/11/24 Nico Kadel-Garcia nka...@gmail.com:
 On Wed, Nov 24, 2010 at 12:48 PM, John Hodrien j.h.hodr...@leeds.ac.uk 
 wrote:
 On Wed, 24 Nov 2010, Bill Campbell wrote:

 We use OpenVPN for most things, and pptp (poptop) for connections
 where the OpenVPN client's aren't available (e.g. iPad, iPhone,
 iPod Touch).

 Is there anything to make you choose pptp over IPSec?  There are a number of
 issues with PPTP that'd make me push it down my list of ideal VPNs.

 From personal experience, it's lighter weight to set up on the server,
 it's compatible with Windows client's built-in VPN clients without
 emotianal pain or traume, it doesn't require awkward client setups of
 third party components, and it keeps you away from the very expensive
 and so feature-filled, it's useless mongolian !...@#$!@$#! that is the
 Cisco tool suite.

remember to avoid pptp protocol, because it's usually pain in the ..

--
Eero
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Re: [CentOS] Grub, pata, and sata

2010-11-24 Thread David G. Mackay

On Wed, 2010-11-24 at 08:05 +0200, cornel panceac wrote:

 every time i reported this bug on some previous fedora versions, it
 was closed with notabug:
 As mentioned in other bug reports, this isn't really a bug. There's
 no way for
 the drive order to be consistently detected.

It's not a matter of drive order.  Grub simply will not install on hda.  

Even if the order were wrong it should still let me install.  If it was
installing on the wrong drive, that would be a separate issue.

Dave


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Re: [CentOS] Optimal VPN

2010-11-24 Thread Nataraj
tony.chamberl...@lemko.com wrote:
 I am looking for the optimal VPN. Well it doens't have to be that elaborate.
 Just the best VPN. We currently have some customers using PPTP, some using
 openvpn, some using Cisco Any Connect and there are a few others.

 So my question is, if you have control of both ends (client and server)
 what is the best VPN to use? There are not too many requirements, but a
 big one is

 The VPN must return the same IP address to the same user each time

 That is there must be a specific IP address assigned to a user/password
 combination. pptp does not really do this but I wrote sort of a backend
 (or maybe frontend? ;-) ) to change the IP address assigned based on a
 login and password. It is extra stuff I would prefer not to do though.


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My sense is that openvpn is the easiest to configure, the most robust 
and fault tolerant, as far as keeping connections up and reestablishing 
failed connections.  The downside of openvpn is incompatibility with 
most mobile devices, not relevant if you are able to install openvpn 
clients.  You can configure fixed IP addresses using either the ccd 
files or the client-connect script.

Based on other discussussions on the list my recollection is that IPSEC 
provides better performance if you need GigE or better data rates on 
your VPNs.  My sense is that IPSEC may be more difficult to configure 
and less robust at keeping connections up, but this has probably 
improved in recent years.

The main advantage to pptp that I see is compatibility with mobile 
devices.  A disadvantage of PPTP, as far as I know it cannot easily be 
tunneled through something like a linux firewall because it uses 
non-standard protocol packets (not TCP/UDP).

Both OPENVPN and IPSEC can easily be tunneled through most firewalls.

Though I have not researched this extensively, just based on watching 
list of security updates that get released for Centos, Fedora etc, It 
seems that OPENVPN has had very few security issues.  I have definely 
seen a few for strongswan and openswan (both are IPSEC 
implementations).  Again this is just gut feeling, not the result of any 
investigation.  I do note though that OPENVPN runs easily in a chroot 
environment, just by enabling options in the config file.   I'm not sure 
if openswan or strongswan can do this.

Nataraj

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Re: [CentOS] Optimal VPN

2010-11-24 Thread Eero Volotinen
 Based on other discussussions on the list my recollection is that IPSEC
 provides better performance if you need GigE or better data rates on
 your VPNs.  My sense is that IPSEC may be more difficult to configure
 and less robust at keeping connections up, but this has probably
 improved in recent years.

ipsec is usually too complex .. for anything else than site to site
tunneled connections.


 The main advantage to pptp that I see is compatibility with mobile
 devices.  A disadvantage of PPTP, as far as I know it cannot easily be
 tunneled through something like a linux firewall because it uses
 non-standard protocol packets (not TCP/UDP).


Well, at least linux support pptp connection tracking, but some poor
firewalls do not.


--
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Re: [CentOS] Grub, pata, and sata

2010-11-24 Thread Tru Huynh
On Tue, Nov 23, 2010 at 06:17:17PM -0600, David G. Mackay wrote:
 
 On Tue, 2010-11-23 at 22:17 +0100, Tru Huynh wrote:
  On Tue, Nov 23, 2010 at 01:04:03PM -0600, David G. Mackay wrote:
   
   (parted) print
...
   Error: Unable to open /dev/md0 - unrecognised disk
   label. 
  
  shouldn't have boot,raid flags on the members of tour /dev/md0 array?
so where is the /dev/md0 from?
  
  cat /proc/mdstat 
  df -P
  cat /grub/grub.conf (from hda1) and from hdb1

 [r...@vorpal ~]# df -P
 Filesystem 1024-blocks  Used Available Capacity Mounted on
 /dev/sda1 99188468   4853368  89215188   6% /
 /dev/sda2373793320 235981428 118517828  67% /home/dave
 /dev/hda1   101086 25176 70691  27% /boot
 /dev/sda3   101105  5665 90219   6% /boot2
 tmpfs   647588 0647588   0% /dev/shm

maybe something like this?

cat EOF| grub --batch --no-floppy
device (hd0) /dev/hda  # setup hda for 1st disk
root (hd0,0)   # /dev/hda1 for /boot 
setup (hd0)# install on MBR of /dev/hda
EOF

Tru
-- 
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http://pgp.mit.edu:11371/pks/lookup?op=getsearch=0xBEFA581B


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Re: [CentOS] New list ?

2010-11-24 Thread Niki Kovacs
Karanbir Singh a écrit :

 
 How about the politics and news stuff that gets posted to this list. 
 And how would those things be addressed with the new admin focused list ?
 

Whereof one cannot speak, thereof one frequently goes ranting on and on 
at ball-breaking length.

-- Ludwig Wittgenstein, Tractatus Logico-Philosophicus, first draft

:o)
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[CentOS] CENTOS 5.5 X86 continue get out of memory error?????

2010-11-24 Thread mcclnx mcc
we just installed CENTOS 5.5 X86 (32 bits) on DELL server.  After installed we 
also apply lated O.S. patches.

This server have 64 GB RAM and run 2.6.18-194.26.1.el5PAE #1 SMP .  when I 
doing cp, mv. ftp,   it continue kill my process and pop up out of 
memory on /var/log/messages:

==
Nov 24 16:36:25 MCC kernel: HighMem: 1*4kB 0*8kB 1*16kB 3210*32kB 17367*64kB 
4010*128kB 2497*256kB 126*512kB 2*1024kB 0*2048kB 10549*4096kB = 45642004kB
Nov 24 16:36:25 MCC kernel: 4927968 pagecache pages
Nov 24 16:36:25 MCC kernel: Swap cache: add 0, delete 0, find 0/0, race 0+0
Nov 24 16:36:25 MCC kernel: Free swap  = 36869116kB
Nov 24 16:36:25 MCC kernel: Total swap = 36869116kB
Nov 24 16:36:25 MCC kernel: Free swap:   36869116kB
Nov 24 16:36:25 MCC kernel: 16777216 pages of RAM
Nov 24 16:36:25 MCC kernel: 16547840 pages of HIGHMEM
Nov 24 16:36:25 MCC kernel: 362985 reserved pages
Nov 24 16:36:25 MCC kernel: 3334251 pages shared
Nov 24 16:36:25 MCC kernel: 0 pages swap cached
Nov 24 16:36:25 MCC kernel: 839171 pages dirty
Nov 24 16:36:25 MCC kernel: 2 pages writeback
Nov 24 16:36:25 MCC kernel: 3528 pages mapped
Nov 24 16:36:25 MCC kernel: 59119 pages slab
Nov 24 16:36:25 MCC kernel: 584 pages pagetables
Nov 24 16:36:25 MCC kernel: Out of memory: Killed process 5114, UID 81, 
(dbus-daemon).
Nov 24 16:37:11 MCC gpm[5531]: *** info [client.c(137)]: 
Nov 24 16:37:11 MCC gpm[5531]: Connecting at fd 6


===

any one know why?

Is CENTOS X86 5..5 really NOT stable version?

Thanks.


  
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Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?????

2010-11-24 Thread John R Pierce
On 11/24/10 3:59 PM, mcclnx mcc wrote:
 we just installed CENTOS 5.5 X86 (32 bits) on DELL server.  After installed 
 we also apply lated O.S. patches.

 This server have 64 GB RAM and run 2.6.18-194.26.1.el5PAE #1 SMP .  when I 
 doing cp, mv. ftp,   it continue kill my process and pop up out 
 of memory on /var/log/messages:

 ...

 any one know why?

 Is CENTOS X86 5..5 really NOT stable version?

no, using 32 bit PAE with 64GB of memory means your page tables are 
using ALL of the available 1GB kernel address space available.
the 32 bit kernel chokes itself under these extreme conditions.   this 
is an architectural feature of the Intel x86, the solution is 64 bit 
mode where the page tables and kernel and a user process don't all have 
to fit into 4GB of address space.



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Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?????

2010-11-24 Thread mcclnx mcc
Thnak you for answer.

We can NOT use X86_64 due to application NOT support 64 bits.

If I take some RAM out of server (for example take out 32 GB RAM and left 32 GB 
RAM on server), will problem fix?

Thanks.

--- 10/11/24 (三),John R Pierce pie...@hogranch.com 寫道:

 寄件者: John R Pierce pie...@hogranch.com
 主旨: Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?
 收件者: CentOS mailing list centos@centos.org
 副本: mcclnx mcc mcc...@yahoo.com.tw
 日期: 2010年11月24日,三,下午7:13
 On 11/24/10 3:59 PM, mcclnx mcc
 wrote:
  we just installed CENTOS 5.5 X86 (32 bits) on DELL
 server.  After installed we also apply lated O.S.
 patches.
 
  This server have 64 GB RAM and run
 2.6.18-194.26.1.el5PAE #1 SMP .  when I doing cp,
 mv. ftp,   it continue kill my process and
 pop up out of memory on /var/log/messages:
 
  ...
 
  any one know why?
 
  Is CENTOS X86 5..5 really NOT stable version?
 
 no, using 32 bit PAE with 64GB of memory means your page
 tables are 
 using ALL of the available 1GB kernel address space
 available.
 the 32 bit kernel chokes itself under these extreme
 conditions.   this 
 is an architectural feature of the Intel x86, the
 solution is 64 bit 
 mode where the page tables and kernel and a user process
 don't all have 
 to fit into 4GB of address space.
 
 
 
 


  
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Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?????

2010-11-24 Thread mcclnx mcc
Thank you for answer.

This server used to run under CENTOS 3.9 X86 and No problem.  Due to 
application can not use CENTOS 3.9 we need upgrade to CENTOS 4 or 5.

If I re-install it and use CENTOS 4.8 X86, will problem gone or not?
 
Thanks

--- 10/11/24 (三),John R Pierce pie...@hogranch.com 寫道:

 寄件者: John R Pierce pie...@hogranch.com
 主旨: Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?
 收件者: CentOS mailing list centos@centos.org
 副本: mcclnx mcc mcc...@yahoo.com.tw
 日期: 2010年11月24日,三,下午7:13
 On 11/24/10 3:59 PM, mcclnx mcc
 wrote:
  we just installed CENTOS 5.5 X86 (32 bits) on DELL
 server.  After installed we also apply lated O.S.
 patches.
 
  This server have 64 GB RAM and run
 2.6.18-194.26.1.el5PAE #1 SMP .  when I doing cp,
 mv. ftp,   it continue kill my process and
 pop up out of memory on /var/log/messages:
 
  ...
 
  any one know why?
 
  Is CENTOS X86 5..5 really NOT stable version?
 
 no, using 32 bit PAE with 64GB of memory means your page
 tables are 
 using ALL of the available 1GB kernel address space
 available.
 the 32 bit kernel chokes itself under these extreme
 conditions.   this 
 is an architectural feature of the Intel x86, the
 solution is 64 bit 
 mode where the page tables and kernel and a user process
 don't all have 
 to fit into 4GB of address space.
 
 
 
 


  
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Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?????

2010-11-24 Thread Athmane Madjoudj
On 11/25/2010 01:23 AM, mcclnx mcc wrote:
 Thnak you for answer.

 We can NOT use X86_64 due to application NOT support 64 bits.

Another idea is to virtualize you app in 32bit centos guest

HTH

-- 
Athmane Madjoudj
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Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?????

2010-11-24 Thread Kwan Lowe
On Wed, Nov 24, 2010 at 7:27 PM, mcclnx mcc mcc...@yahoo.com.tw wrote:
 Thank you for answer.

 This server used to run under CENTOS 3.9 X86 and No problem.  Due to 
 application can not use CENTOS 3.9 we need upgrade to CENTOS 4 or 5.

 If I re-install it and use CENTOS 4.8 X86, will problem gone or not?

No, problem will remain.
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Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?????

2010-11-24 Thread Kevin K

On Nov 24, 2010, at 6:27 PM, mcclnx mcc wrote:

 Thank you for answer.
 
 This server used to run under CENTOS 3.9 X86 and No problem.  Due to 
 application can not use CENTOS 3.9 we need upgrade to CENTOS 4 or 5.
 
 If I re-install it and use CENTOS 4.8 X86, will problem gone or not?

A few options.

You might test the program on a 64 bit OS.  The 64 bit version of CentOS should 
be able to run many 32 bit programs.  It would depend on dependencies in the 
program whether it would have issues or not.  In fact, other changes since 3.9 
may be more of an issue than the 64 bitness of the OS.

It is possible to limit the amount of RAM that the OS will recognize by passing 
options to the kernel in grub.

You also may be able to run a 32 bit version of the OS in virtualization under 
a 64 bit OS, leaving the rest of the RAM available for the main system.  2 
computers in 1.

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Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?????

2010-11-24 Thread Hakan Koseoglu
On 25 November 2010 00:23, mcclnx mcc mcc...@yahoo.com.tw wrote:
 We can NOT use X86_64 due to application NOT support 64 bits.
Unless you can't use virtualisation, you can run any 32 bit app on 64
bit platform provided that you have the 32 bit dependencies installed.
The other way around is not possible. if you are compiling it from
source, 32 bit and 64 bit libraries install in separate directories
and thus you can point to the correct path in any configure script. I
regularly compile Apache  PHP for 32 bit on CentOS, thanks to 32 bit
binary modules only available on that platform.

-- 
Hakan (m1fcj) - http://www.hititgunesi.org
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Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?????

2010-11-24 Thread Robert Heller
At Thu, 25 Nov 2010 08:23:10 +0800 (CST) CentOS mailing list 
centos@centos.org wrote:

 
 Thnak you for answer.
 
 We can NOT use X86_64 due to application NOT support 64 bits.

You can run 32-bit applications with a 64-bit kernel.  CentOS / RHEL
installs the 32-bit shared libraries along with the 64-bit libraries.

You can also install xen (or kvm) and run 32-bit slave (virtual)
processes, with reasonable amounts of memory.


 
 If I take some RAM out of server (for example take out 32 GB RAM and left 32 
 GB RAM on server), will problem fix?
 
 Thanks.
 
 --- 10/11/24 (三),John R Pierce pie...@hogranch.com 寫道:
 
  寄件者: John R Pierce pie...@hogranch.com
  主旨: Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?
  收件者: CentOS mailing list centos@centos.org
  副本: mcclnx mcc mcc...@yahoo.com.tw
  日期: 2010年11月24日,三,下午7:13
  On 11/24/10 3:59 PM, mcclnx mcc
  wrote:
   we just installed CENTOS 5.5 X86 (32 bits) on DELL
  server.  After installed we also apply lated O.S.
  patches.
  
   This server have 64 GB RAM and run
  2.6.18-194.26.1.el5PAE #1 SMP .  when I doing cp,
  mv. ftp,   it continue kill my process and
  pop up out of memory on /var/log/messages:
  
   ...
  
   any one know why?
  
   Is CENTOS X86 5..5 really NOT stable version?
  
  no, using 32 bit PAE with 64GB of memory means your page
  tables are 
  using ALL of the available 1GB kernel address space
  available.
  the 32 bit kernel chokes itself under these extreme
  conditions.   this 
  is an architectural feature of the Intel x86, the
  solution is 64 bit 
  mode where the page tables and kernel and a user process
  don't all have 
  to fit into 4GB of address space.
  
  
  
  
 
 
   
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-- 
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Deepwoods Software-- http://www.deepsoft.com/
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/\  www.asciiribbon.org   -- against proprietary attachments


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Re: [CentOS] CENTOS 5.5 X86 continue get out of memory error?????

2010-11-24 Thread John R Pierce
On 11/24/10 4:23 PM, mcclnx mcc wrote:
 Thnak you for answer.

 We can NOT use X86_64 due to application NOT support 64 bits.

 If I take some RAM out of server (for example take out 32 GB RAM and left 32 
 GB RAM on server), will problem fix?

16GB was the maximum recommended for PAE all along.   PAE was a crutch 
to get above the inherent x86 32bit architectural limitation of 4GB. 
32GB would likely work, and just use half the kernel address space, 
instead of most all of it.

Have you tested this 32bit application on x86_64 ? you may simply 
need to install the correct 32bit dependencies.

The only absolute unsolvable problem would be if this application 
included binary custom kernel drivers which aren't available in 64 bit, 
and if this was the case, I would hammer on the application vendor.




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