Re: [CentOS] Wondering about CentOS 5.1 functionality

[Anup Shukla]

Mark Weaver wrote:


Actually Fedora 7 ran it wonderfully. I used ndiswrapper and a script to
initialize the adapter during the boot process.

I'm running OpenSUSE 10.3 on this laptop right now and there is plenty
to like about it, however I'm a RedHat man at heart and there are things
that I'm used to on my RedHat systems that I don't want to give up. I'd
like to get back to a RedHat based distro for this machine if I can.



Not sure if its relevant.
I tried Ubuntu (7 something) with ndiswrapper and it worked beautifully.
Tried the firmware (using bcm43xx-fwcutter) and it worked too, however 
the card would take longer to connect to a network.


Dont know why that happened.. i simply reverted back to ndiswrapper.

As for Centos, i have never installed it on my laptop,
but only on our servers.

--
Regards,
Anup Shukla
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Re: [CentOS] Wondering about CentOS 5.1 functionality

[Mark Weaver]

Barry Brimer wrote:
>> Barry Brimer wrote:
> - - Broadcom Wireless Adapter - 1390 Wlan (bcm43xx)
>>>
>>> Works in CentOS 5.1 ... requires firmware.
>>> ___
>>
>> sweet... is there a tool available on the DVD to extract said firmware?
>> I know there was on the OpenSUSE DVD.
> 
> I don't believe CentOS provides bcm43xx-fwcutter.  It is available from
> many sources.
> 
> Barry

That'll work... wasn't sure if that utility was unique to this distro or
more widely available for others as well. It wasn't until I loaded SUSE
that I introduced to this one.

Mark
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Re: [CentOS] Wondering about CentOS 5.1 functionality

[Barry Brimer]

Barry Brimer wrote:

- - Broadcom Wireless Adapter - 1390 Wlan (bcm43xx)


Works in CentOS 5.1 ... requires firmware.
___


sweet... is there a tool available on the DVD to extract said firmware?
I know there was on the OpenSUSE DVD.


I don't believe CentOS provides bcm43xx-fwcutter.  It is available from 
many sources.


Barry
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Re: [CentOS] Wondering about CentOS 5.1 functionality

[Mark Weaver]

Barry Brimer wrote:
>>> - - Broadcom Wireless Adapter - 1390 Wlan (bcm43xx)
> 
> Works in CentOS 5.1 ... requires firmware.
> ___

sweet... is there a tool available on the DVD to extract said firmware?
I know there was on the OpenSUSE DVD.

Mark
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Re: [CentOS] Wondering about CentOS 5.1 functionality

[Ignacio Vazquez-Abrams]

On Fri, 2008-01-04 at 23:47 -0500, Mark Weaver wrote:
> Ignacio Vazquez-Abrams wrote:
> > On Fri, 2008-01-04 at 23:37 -0500, Mark Weaver wrote:
> >> - - Broadcom Wireless Adapter - 1390 Wlan (bcm43xx)
> > 
> > Last I checked not even Fedora runs this thing properly. Avoid.
> 
> Actually Fedora 7 ran it wonderfully. I used ndiswrapper and a script to
> initialize the adapter during the boot process.

That's quite an interesting definition of "wonderfully" there...

-- 
Ignacio Vazquez-Abrams <[EMAIL PROTECTED]>

PLEASE don't CC me; I'm already subscribed


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Re: [CentOS] Wondering about CentOS 5.1 functionality

[Barry Brimer]

- - Broadcom Wireless Adapter - 1390 Wlan (bcm43xx)


Works in CentOS 5.1 ... requires firmware.
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Re: [CentOS] Wondering about CentOS 5.1 functionality

[Mark Weaver]

Ignacio Vazquez-Abrams wrote:
> On Fri, 2008-01-04 at 23:37 -0500, Mark Weaver wrote:
>> I'm giving serious thought to loading 5.1 on my Inspiron 1501 laptop,
>> but I'm wondering about certain hardware support such as the following:
> 
>> - - Broadcom Wireless Adapter - 1390 Wlan (bcm43xx)
> 
> Last I checked not even Fedora runs this thing properly. Avoid.

Actually Fedora 7 ran it wonderfully. I used ndiswrapper and a script to
initialize the adapter during the boot process.

I'm running OpenSUSE 10.3 on this laptop right now and there is plenty
to like about it, however I'm a RedHat man at heart and there are things
that I'm used to on my RedHat systems that I don't want to give up. I'd
like to get back to a RedHat based distro for this machine if I can.

Mark
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Re: [CentOS] Wondering about CentOS 5.1 functionality

[Max Hetrick]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Mark Weaver wrote:


> I'm giving serious thought to loading 5.1 on my Inspiron 1501 laptop,
> but I'm wondering about certain hardware support such as the following:
> 
> - Broadcom Wireless Adapter - 1390 Wlan (bcm43xx)
> - USB (Pny Memory Stick - everytime on previous version CentOS has eaten
> the damned things)
> - pptp vpn client(s)
> 
> Any comments?

I can't attest to your pptp vpn and wireless question, but I just used a
PNY memory stick yesterday on CentOS 5.1 with no troubles. I've never
had any issues with PNY on 4.5 either, though.

Regards,
Max
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Re: [CentOS] Wondering about CentOS 5.1 functionality

[Ignacio Vazquez-Abrams]

On Fri, 2008-01-04 at 23:37 -0500, Mark Weaver wrote:
> I'm giving serious thought to loading 5.1 on my Inspiron 1501 laptop,
> but I'm wondering about certain hardware support such as the following:

> - - Broadcom Wireless Adapter - 1390 Wlan (bcm43xx)

Last I checked not even Fedora runs this thing properly. Avoid.

-- 
Ignacio Vazquez-Abrams <[EMAIL PROTECTED]>

PLEASE don't CC me; I'm already subscribed


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[CentOS] PXE problem after CentOS reboot

[Andrey Slepuhin]

Dear folks,

We are installing a large diskless cluster using CentOS 5.1. The 
hardware is pretty new - Supermicro X7DWT boards with Harpertown CPUs. 
Unfortunately we have some PXE-related problems described by the 
following scenario:
1) Set up DHCP, TFTP and NFS on a server, prepare PXE kernel and initrd 
- fine.

2) Start up the node using PXE for the first time - fine.
3) Reboot the node - PXE boot fails for all next attempts. We see that a 
server gets DHCP requests and answers them, but a node doesn't response 
with DHCP ack. The typical DHCP log is:

Jan  5 09:14:34 shoffner dhcpd: DHCPDISCOVER from 00:30:48:7e:24:a6 via eth1
Jan  5 09:14:34 shoffner dhcpd: DHCPOFFER on 10.1.5.2 to 
00:30:48:7e:24:a6 via eth1

Jan  5 09:14:36 shoffner dhcpd: DHCPDISCOVER from 00:30:48:7e:24:a6 via eth1
Jan  5 09:14:36 shoffner dhcpd: DHCPOFFER on 10.1.5.2 to 
00:30:48:7e:24:a6 via eth1

Jan  5 09:14:40 shoffner dhcpd: DHCPDISCOVER from 00:30:48:7e:24:a6 via eth1
Jan  5 09:14:40 shoffner dhcpd: DHCPOFFER on 10.1.5.2 to 
00:30:48:7e:24:a6 via eth1

Jan  5 09:14:48 shoffner dhcpd: DHCPDISCOVER from 00:30:48:7e:24:a6 via eth1
Jan  5 09:14:48 shoffner dhcpd: DHCPOFFER on 10.1.5.2 to 
00:30:48:7e:24:a6 via eth1
4) Anything like DHCP server restart, node reset, node power on/off 
doesn't help
5) The only thing that will enable system to boot again over PXE is to 
perform "bmc reset cold" command on a node using ipmitool - yes, we have 
IPMI card sharing the same Ethernet interface. After that we can boot 
CentOS again.
6) When Linux is loaded, if we reboot a node using "bmc power cycle" 
instead of reboot or shutdown, a node will boot for the next time 
without problems

7) There are no problems with a second GbE interface (without IPMI)
8) So our guess is that Linux on a reboot leaves Ethernet device in some 
state that cause brain damage for IPMI+PXE combination. We tried to play 
with some e1000 driver options, we are also tried latest Intel driver - 
nothing helps.
Do you have any idea what goes wrong? Any help will be much appreciated. 
Below there is a system summary:


[EMAIL PROTECTED] ~]# uname -a
Linux node-05-03 2.6.18-53.1.4.el5 #1 SMP Fri Nov 30 00:45:55 EST 2007 
x86_64 x86_64 x86_64 GNU/Linux


[EMAIL PROTECTED] ~]# lspci
00:00.0 Host bridge: Intel Corporation Memory Controller Hub (rev 20)
00:01.0 PCI bridge: Intel Corporation PCI Express Port 1 (rev 20)
00:05.0 PCI bridge: Intel Corporation PCI Express Port 5 (rev 20)
00:07.0 PCI bridge: Intel Corporation PCI Express Port 7 (rev 20)
00:0f.0 System peripheral: Intel Corporation DMA/DCA Engine (rev 20)
00:10.0 Host bridge: Intel Corporation FSB Registers (rev 20)
00:10.1 Host bridge: Intel Corporation FSB Registers (rev 20)
00:10.2 Host bridge: Intel Corporation FSB Registers (rev 20)
00:10.3 Host bridge: Intel Corporation FSB Registers (rev 20)
00:10.4 Host bridge: Intel Corporation FSB Registers (rev 20)
00:11.0 Host bridge: Intel Corporation Unknown device 4031 (rev 20)
00:15.0 Host bridge: Intel Corporation FBD Registers (rev 20)
00:15.1 Host bridge: Intel Corporation FBD Registers (rev 20)
00:16.0 Host bridge: Intel Corporation FBD Registers (rev 20)
00:16.1 Host bridge: Intel Corporation FBD Registers (rev 20)
00:1d.0 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset 
UHCI USB Controller #1 (rev 09)
00:1d.1 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset 
UHCI USB Controller #2 (rev 09)
00:1d.2 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset 
UHCI USB Controller #3 (rev 09)
00:1d.7 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset 
EHCI USB2 Controller (rev 09)

00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d9)
00:1f.0 ISA bridge: Intel Corporation 631xESB/632xESB/3100 Chipset LPC 
Interface Controller (rev 09)
00:1f.2 SATA controller: Intel Corporation 631xESB/632xESB SATA AHCI 
Controller (rev 09)
00:1f.3 SMBus: Intel Corporation 631xESB/632xESB/3100 Chipset SMBus 
Controller (rev 09)

01:00.0 InfiniBand: Mellanox Technologies MT25418 [ConnectX IB DDR] (rev a0)
02:00.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express 
Upstream Port (rev 01)
02:00.3 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express to 
PCI-X Bridge (rev 01)
03:00.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express 
Downstream Port E1 (rev 01)
03:02.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express 
Downstream Port E3 (rev 01)
05:00.0 Ethernet controller: Intel Corporation 80003ES2LAN Gigabit 
Ethernet Controller (Copper) (rev 01)
05:00.1 Ethernet controller: Intel Corporation 80003ES2LAN Gigabit 
Ethernet Controller (Copper) (rev 01)

08:01.0 VGA compatible controller: ATI Technologies Inc ES1000 (rev 02)

Thanks in advance,
Andrey
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[CentOS] Wondering about CentOS 5.1 functionality

[Mark Weaver]

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Hash: SHA1

Hi All,

I'm giving serious thought to loading 5.1 on my Inspiron 1501 laptop,
but I'm wondering about certain hardware support such as the following:

- - Broadcom Wireless Adapter - 1390 Wlan (bcm43xx)
- - USB (Pny Memory Stick - everytime on previous version CentOS has eaten
the damned things)
- - pptp vpn client(s)

Any comments?

thanks,

Mark
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=zTJx
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[CentOS] Pidgin and (lack of) sound on CentOS 4.6

[Bart Schaefer]

When I start pidgin from the Applications -> Internet -> Internet
Messenger menu, my sound device stops working.

I think this has something to do with the Gnome applet.  I appear to
end up with two (sometimes more) copies of the "gaim" process running
-- such that if I use the right-button menu on the Gnome applet to
quit pidgin, a login dialog is stil left behind and sometimes won't
exit.  I'm guessing these multiple gaim processes somehow deadlock the
sound device, such that even after I kill them, no other process can
play audio.  Pidgin/gaim itself can't play sounds in this condition,
either.

I've tried using "lsof" to find all processes that have the sound
device open and force them to exit or restart, but that doesn't help.
Once the sound goes out, only a reboot brings it back.  The flash and
mplayer plugins for firefox/seamonkey are still able to play (silent)
video in this condition, but starting up e.g. gmplayer blocks forever
trying to open the sound device.

Googling turned up this:
http://blog.turbulentsky.com/2007/12/pidgin-has-no-sound-in-ubuntu-gutsy.html
but I have no reason to be confident that would apply to CentOS.
Searching on gaim instead of pidgin finds stuff that's four years old
and almost certainly not relevant.

Unfortunately I don't have much experience with audio apps on linux
(or anywhere else, for that matter).  I've never had any luck creating
a .asoundrc or trying to get all my applications to agree on whether
to use ALSA instead of OSS (although I take it OSS is pretty much
obsolete now, I don't even know if the kernel in RHEL4 is recent
enough to use ALSA by default).  So if anyone has any clues to share
on how to go about diagnosing this, I'd appreciate the help.

Here are the sound-related modules from "lsmod":

snd_intel8x0   36237  2
snd_ac97_codec 65425  1 snd_intel8x0
snd_pcm_oss52729  0
snd_mixer_oss  21953  2 snd_pcm_oss
snd_pcm92485  2 snd_intel8x0,snd_pcm_oss
snd_timer  28229  1 snd_pcm
snd_page_alloc 14541  2 snd_intel8x0,snd_pcm
gameport8641  1 snd_intel8x0
snd_mpu401_uart11457  1 snd_intel8x0
snd_rawmidi28005  1 snd_mpu401_uart
snd_seq_device 12105  1 snd_rawmidi
snd57765  11
snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
soundcore  13089  2 snd

Tell me what shovel to use, and I'll dig up any other system
information that may be needed.  Thanks in advance.
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Re: [CentOS] centos 5.1 fresh install of ipvsadm: service won't start: config missing

[Garrick Staples]

On Fri, Jan 04, 2008 at 08:03:18PM -0500, William Ottley alleged:
> Hello all,
> I have ipvsadm-1.24 installed, and there's an error when the service starts:
> 
> Applying IPVS configuration: /etc/init.d/ipvsadm: line 62:
> /etc/sysconfig/ipvsadm: No such file or directory
> 
> is the install broken? I did a "yum whatprovides ipvsadm" and it does
> say there's a config, but doesn't point to where it is.
> 
> any suggestions?

Looking at /etc/init.d/ipvsadm, it appears that after manually creating IPVS
rules using /usr/sbin/ipvsadm, you run 'service ipvsadm save' which creates
/etc/sysconfig/ipvsadm.  Once the rules are saved, the initscript will reapply
the rules at boot.




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Re: [CentOS] What's up with the mailing list spam?

[Robert]

Johnny Hughes wrote:



OR moderate all posts ... who wants to volunteer to read and release all
posts :-D

Thanks,
Johnny Hughes

  
Besides that obvious question, moderation would mean an end to the quick 
replies that we enjoy now.


Regards,
Robert

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[CentOS] Is it possible to install Fedora 8 kernel with CentOS 5.1 installation?

[Jean-Yves Avenard]

Hi

I've experienced crashes with all CentOS 5 kernel.
I tried Fedora 8 and it runs fine..

So is there an easy way to install and run the Fedora 8 kernel on my
CentOS 5.1 machine ?

Thanks
Jean-Yves
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Re: [CentOS] Re: Weird crash with CentOS 5.1

[Jean-Yves Avenard]

Hi

On Jan 5, 2008 2:46 AM, Scott Silva <[EMAIL PROTECTED]> wrote:
> AFAIR that is fakeraid anyway. Maybe one of the drives is having a problem.
> Could be that the dmraid driver isn't as robust as software raid with drive
> problems. You could eliminate the hardware (except the drives) by swapping
> drives from one of the known working machines into this one and see what
> happens. IF it borks, bad hardware, if not, bad drives or bad install.

It may be fakeraid,, but it's the only RAID solution that will work in
both Windows and Linux and allow to transfer files between both
system.
If I were to use linux software raid, I wouldn't be able to access the
linux partition under windows.

I doubt it's a hardware issue for the following reasons:
1-Windows works fine with intensive disk activity
2-Fedora 8 works fine too.
3-It's only Centos kernel that crashes when using those drives.

Jean-Yves
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Re: [CentOS] Firewall frustration

[Toby Bluhm]

Robert Moskowitz wrote:

qsm wrote:

maybe shorewall can do your live so easy.
It does not support the rtl8150 chipset.  That is what the I have in 
the way of USB ethernet dongles.


Which is another reason to go with a Centos based solution when you 
need to put something up as you go.


Which is how I have shorewall/shoreline working . . . .


[EMAIL PROTECTED] ~]$ cat /etc/redhat-release
CentOS release 5 (Final)

[EMAIL PROTECTED] ~]$ rpm -qi shorewall
Name: shorewallRelocations: (not relocatable)
Version : 4.0.2 Vendor: Invoca Systems
Release : 3 Build Date: Mon Aug 20 
09:03:41 2007

Install Date: Mon Aug 20 09:05:25 2007  Build Host: nutube
Group   : System Environment/Base   Source RPM: 
shorewall-4.0.2-3.src.rpm

Size: 483558   License: GPL
Signature   : (none)
Packager: Simon Matter <[EMAIL PROTECTED]>
URL : http://www.shorewall.net/
Summary : Shoreline Firewall is an iptables-based firewall for Linux 
systems

Description :
The Shoreline Firewall, more commonly known as "Shorewall", is a Netfilter
(iptables) based firewall that can be used on a dedicated firewall system,
a multi-function gateway/router/server or on a standalone GNU/Linux system.

Shorewall offers two alternative firewall compilers, shorewall-perl and
shorewall-shell. The shorewall-perl compiler is suggested for new installed
systems and shorewall-shell is provided for backwards compability and smooth
legacy system upgrades because shorewall perl is not fully compatible with
all legacy configurations.


--
Toby Bluhm
Alltech Medical Systems America, Inc.
30825 Aurora Road Suite 100
Solon Ohio 44139
440-424-2240


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Re: [CentOS] GSL version >= 1.8 CentOS 4.x ?

[Phil Schaffner]

On Fri, 2008-01-04 at 18:32 +, Adrian Sevcenco wrote:
> Hi! Is there a version of gsl library >= 1.8 available for centos 4.x?
> If indeed there is none (as i founded nothing so far) has someone some
> idea how should i make the rpm from src.rpm ?

A google on
gsl-1.8 el4
turns up some relevant results, e.g.:

http://yum.math.hmc.edu/os/local/centos/prod/4/

Has gsl-1.8 src, x86_64, and i386 RPMS in the tree.  Can't vouch for
them.

Phil






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RE: [CentOS] Migrating software raid from SUSE 9.0 to Centos 5

[Dan Carl]

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Behalf Of Les Mikesell
Sent: Friday, January 04, 2008 6:29 PM
To: CentOS mailing list
Subject: Re: [CentOS] Migrating software raid from SUSE 9.0 to Centos 5


Dan Carl wrote:
> I forgot to add the file system is riserfs.
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Behalf Of Dan Carl
> Sent: Friday, January 04, 2008 5:43 PM
> To: centos@centos.org
> Subject: [CentOS] Migrating software raid from SUSE 9.0 to Centos 5
>
>
> I have a SUSE 9.0 box with a software raid.
> It consists of 6 IDE drives and three different controllers
> The OS is on a separate drive.
> What I want to do is put a new boot drive in load Centos on it.
> Then I want to be able to mount the raid without loosing any of the data
on
> it.
> What information do I need from the SUSE OS (raid info etc...) to tell
> Centos how to recognize it?
> The data is backup on DVD's but it would be a real pain to reload it.(its
> around a terabyte of data)
> So I'm writing here for some advice.
> I've setup many raids in the past but only fresh installs.
> Thanks

After you do your base Centos install and 'yum update', do:
yum --enablerepo=centosplus update kernel
yum --enablerepo=centosplus install reiserfs-utils

Then reboot, and you should be able to mount the raid and add it to
/etc/fstab.

Ok but how does Centos recognise the ARRAY?
Is the Array's configuration stored some where?
SUSE uses raidtab.
The only raid type conf file on my other Centos boxes is /etc/mdadm.conf

So you mean to tell me I just have to make sure reiserfs is installed, then
just mount like this in fstab
/dev/md0 /home/tera   reiserfs   defaults  1
2
#mount -a
and bang everything in done?
Something tells me it can't be that easy.


--
   Les Mikesell
[EMAIL PROTECTED]
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[CentOS] centos 5.1 fresh install of ipvsadm: service won't start: config missing

[William Ottley]

Hello all,
I have ipvsadm-1.24 installed, and there's an error when the service starts:

Applying IPVS configuration: /etc/init.d/ipvsadm: line 62:
/etc/sysconfig/ipvsadm: No such file or directory

is the install broken? I did a "yum whatprovides ipvsadm" and it does
say there's a config, but doesn't point to where it is.

any suggestions?

-- 
---
Morpheus: After this, there is no turning back. You take the blue pill
- the story ends, you wake up in your bed and believe whatever you
want to believe. You take the red pill - you stay in Wonderland and I
show you how deep the rabbit-hole goes.
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Re: [CentOS] Migrating software raid from SUSE 9.0 to Centos 5

[Les Mikesell]

Dan Carl wrote:

I forgot to add the file system is riserfs.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Behalf Of Dan Carl
Sent: Friday, January 04, 2008 5:43 PM
To: centos@centos.org
Subject: [CentOS] Migrating software raid from SUSE 9.0 to Centos 5


I have a SUSE 9.0 box with a software raid.
It consists of 6 IDE drives and three different controllers
The OS is on a separate drive.
What I want to do is put a new boot drive in load Centos on it.
Then I want to be able to mount the raid without loosing any of the data on
it.
What information do I need from the SUSE OS (raid info etc...) to tell
Centos how to recognize it?
The data is backup on DVD's but it would be a real pain to reload it.(its
around a terabyte of data)
So I'm writing here for some advice.
I've setup many raids in the past but only fresh installs.
Thanks


After you do your base Centos install and 'yum update', do:
yum --enablerepo=centosplus update kernel
yum --enablerepo=centosplus install reiserfs-utils

Then reboot, and you should be able to mount the raid and add it to 
/etc/fstab.


--
  Les Mikesell
   [EMAIL PROTECTED]
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Re: [CentOS] Migrating software raid from SUSE 9.0 to Centos 5

[Finnur Örn Guðmundsson]

Dan Carl wrote:

I forgot to add the file system is riserfs.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Behalf Of Dan Carl
Sent: Friday, January 04, 2008 5:43 PM
To: centos@centos.org
Subject: [CentOS] Migrating software raid from SUSE 9.0 to Centos 5


I have a SUSE 9.0 box with a software raid.
It consists of 6 IDE drives and three different controllers
The OS is on a separate drive.
What I want to do is put a new boot drive in load Centos on it.
Then I want to be able to mount the raid without loosing any of the data on
it.
What information do I need from the SUSE OS (raid info etc...) to tell
Centos how to recognize it?
The data is backup on DVD's but it would be a real pain to reload it.(its
around a terabyte of data)
So I'm writing here for some advice.
I've setup many raids in the past but only fresh installs.
Thanks





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Hi,

It should not be any problem but you will have to install the kernel 
from the centosplus repository since the base kernel does not include 
support for reiserfs.


Thanks,
Finnur
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RE: [CentOS] Migrating software raid from SUSE 9.0 to Centos 5

[Dan Carl]

I forgot to add the file system is riserfs.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Behalf Of Dan Carl
Sent: Friday, January 04, 2008 5:43 PM
To: centos@centos.org
Subject: [CentOS] Migrating software raid from SUSE 9.0 to Centos 5


I have a SUSE 9.0 box with a software raid.
It consists of 6 IDE drives and three different controllers
The OS is on a separate drive.
What I want to do is put a new boot drive in load Centos on it.
Then I want to be able to mount the raid without loosing any of the data on
it.
What information do I need from the SUSE OS (raid info etc...) to tell
Centos how to recognize it?
The data is backup on DVD's but it would be a real pain to reload it.(its
around a terabyte of data)
So I'm writing here for some advice.
I've setup many raids in the past but only fresh installs.
Thanks





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RE: [CentOS] What's up with the mailing list spam?

[Steven Vishoot]

--- Robert - elists <[EMAIL PROTECTED]> wrote:

> > 
> > OR moderate all posts ... who wants to volunteer
> to read and release all
> > posts :-D
> > 
> > Thanks,
> > Johnny Hughes
> 
> I thought I saw Perrin and Wieers raise their
> keyboards!!!
> 
> E ahem, I meant hands...
> 
> :-)
> 
> ( like they both do not have enough to do already
> ;-> )
> 
>  - rh
> 
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> 
I think i was seeing the same thing. :-)
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Re: [CentOS] Firewall frustration

[Christopher Chan]

Over at the IEEE 802, we are voting ballots on wording that can be 
interpreted on way with the Webster dictionary and another with the 
Oxford dictionary.


So I am right about iptables controlling routing and you are right about 
iptables NOT controlling routing, only influencing it. What does 
'control' mean in this context? IEEE is really big on state machines and 
truly covers the transfer of 'control' from one layer to another. Look 
at the MLME in 802.11. Look at the 802.1X machines. So since I have to 
live this control architecture and work in live debates about what layer 
is controling what, I have a particular language set.




Kernel routing code makes decision, iptables can influence that decision. :P



BTW, should we table this debate? Webster says that means stopping, 
'taking the subject off the table.' Oxford says that means to start, 
'placing the subject on the table.' Boy did we have some moments back in 
the mid-90s with the ISO crowd descended on the IETF. Also can we reach 
a concensus here? Webster will accept a majority, Oxford wants complete 
agreement. (Or at least that is what these sources said back in the 
mid-90s when we lived Bernard Shaw's line of: 'Two nations separated by 
a common language')




^O^



:)

Now I have to hop over to the Asterisk list to figure why with one 
firewall the INVITE properly redirects the RTP to the RTP server, and 
the with the other firewall this is not in the INVITE so the RTP flow 
does not. ARGH!




I hope you are not trying to get around a double nat situation. client 
-> nat <-> nat <- asterisk.


I never managed to get things to work in that scenario. I have a vpn 
setup to get things to work.

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[CentOS] Migrating software raid from SUSE 9.0 to Centos 5

[Dan Carl]

I have a SUSE 9.0 box with a software raid.
It consists of 6 IDE drives and three different controllers
The OS is on a separate drive.
What I want to do is put a new boot drive in load Centos on it.
Then I want to be able to mount the raid without loosing any of the data on
it.
What information do I need from the SUSE OS (raid info etc...) to tell
Centos how to recognize it?
The data is backup on DVD's but it would be a real pain to reload it.(its
around a terabyte of data)
So I'm writing here for some advice.
I've setup many raids in the past but only fresh installs.
Thanks





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[CentOS] Re: What's up with the mailing list spam?

[Scott Silva]

on 1/4/2008 2:36 PM Dennis McLeod spake the following:
Please, no more GOD stuff. 


I think he typo'd GOOD.
Relax
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You hope everybody uses it, and
you notice quickly if they don't

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RE: [CentOS] What's up with the mailing list spam?

[James D. Parra]

>Please, no more GOD stuff. 

> illicit mails, that include SPAM :-)
> 
> So Admins GOD WORK!
> 
> /Mats
> 
>

I believe he meant to type 'GOOD WORK'. No big deal.

~James
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RE: [CentOS] What's up with the mailing list spam?

[Dennis McLeod]

Please, no more GOD stuff. 

> -Original Message-
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of MatsK
> Sent: Friday, January 04, 2008 12:18 PM
> To: CentOS mailing list
> Subject: Re: [CentOS] What's up with the mailing list spam?
> 
> Ray Van Dolson wrote:
> >> Maybee this is why its more common to see weird pictures 
> with text in 
> >> them so its harder to script is ?
> >>
> >> /Mats
> > 
> > That wouldn't help much in this case.  Unless the subscription was 
> > being automated I guess.
> 
> Your ríght about that, but it's the automated scripts that is 
> harder to stop when they can create several 
> hundreds/thousands of accounts, have seen that on some 
> different forums.
> 
> But I must say that this mailing list is quite free of 
> illicit mails, that include SPAM :-)
> 
> So Admins GOD WORK!
> 
> /Mats
> 
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Re: [CentOS] What's up with the mailing list spam?

[Mark Weaver]

On Fri, 04 Jan 2008 21:18:08 +0100
MatsK <[EMAIL PROTECTED]> wrote:

> Ray Van Dolson wrote:
> >> Maybee this is why its more common to see weird pictures with text
> >> in them so its harder to script is ?
> >>
> >> /Mats
> > 
> > That wouldn't help much in this case.  Unless the subscription was
> > being automated I guess.
> 
> Your ríght about that, but it's the automated scripts that is harder
> to stop when they can create several hundreds/thousands of accounts,
> have seen that on some different forums.
> 
> But I must say that this mailing list is quite free of illicit mails, 
> that include SPAM :-)
> 
> So Admins GOD WORK!
> 
> /Mats

it's very likely an infected windows user...

-- 
Mark

"Drunkenness is not an excuse for stupidity. If you're stupid when
you're sober then that's one thing, but if you're sober when you're
stupid, then you're just plain stupid!"
== Powered by CentOS5
(RHEL5)
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Re: [CentOS] What's up with the mailing list spam?

[Ralph Angenendt]

Bill Campbell wrote:
> We have Mailman configured to check with spamassassin, sending messages
> with sufficiently high scores to the moderator(s) for approval and
> automatically discarding anything with a score > 20.  Thus anything with
> scores between our required_score of 5 and 20 is held for moderation.

These Mails had a score of around 1.5. 

Ralph


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Re: [CentOS] What's up with the mailing list spam?

[MatsK]

Ray Van Dolson wrote:
Maybee this is why its more common to see weird pictures with text in them 
so its harder to script is ?


/Mats


That wouldn't help much in this case.  Unless the subscription was
being automated I guess.


Your ríght about that, but it's the automated scripts that is harder to 
stop when they can create several hundreds/thousands of accounts, have 
seen that on some different forums.


But I must say that this mailing list is quite free of illicit mails, 
that include SPAM :-)


So Admins GOD WORK!

/Mats

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Re: [CentOS] What's up with the mailing list spam?

[Lance Davis]

On Fri, 4 Jan 2008, Ray Van Dolson wrote:


While this isn't perfect, fewer than 1 spam per month has made it through
to any of the lists we host in the last year (at least one of which I
approved accidentally :-).


I think it should be noted that this is probably the first time I've
seen a spam on the centos list that I can remember.  And I've been
subscribed here off and on for a couple years...


We haev seen a couple in the last few days ...

Regards
Lance

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Re: [CentOS] What's up with the mailing list spam?

[Lance Davis]

On Fri, 4 Jan 2008, Bill Campbell wrote:


On Fri, Jan 04, 2008, Ralph Angenendt wrote:

Matt Shields wrote:

Just this morning I've gotten 3 or 4 pieces of spam on the CentOS mailing list.


Tell us how we should reject that in advance and we will. Yes, the
"user" was subscribed.


We have Mailman configured to check with spamassassin, sending messages
with sufficiently high scores to the moderator(s) for approval and
automatically discarding anything with a score > 20.  Thus anything with
scores between our required_score of 5 and 20 is held for moderation.


We checked the score on one of the messages and it was less than 1 
(although of course that depends on spamassassin config ...)



While this isn't perfect, fewer than 1 spam per month has made it through
to any of the lists we host in the last year (at least one of which I
approved accidentally :-).


We are happy if you have specialist knowledge in this area for you to help 
us configure our mailman to act likewise.


Perhaps we could take this off list.

Regards
Lance

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RE: [CentOS] xen dependencies

[Joseph L. Casale]

>In your "broken" setup, do you have libvirt and/or bridge-utils?
>
>
>--Tim


Tim,
Yes it does. I think I am seeing the issue reported in a previous errata 
regarding Bugzilla Bug 237667 in RHEL for a now released fix in the current Xen 
rpm available. I have this exact behavior, and after many different installs on 
different machines, I finally saw a clean install done exactly the same work 
once and fail another.

I emailed the assigned tech at rh about the bug and never heard back...

Thanks,
jlc
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Re: [CentOS] What's up with the mailing list spam?

[Ray Van Dolson]

> While this isn't perfect, fewer than 1 spam per month has made it through
> to any of the lists we host in the last year (at least one of which I
> approved accidentally :-).

I think it should be noted that this is probably the first time I've
seen a spam on the centos list that I can remember.  And I've been
subscribed here off and on for a couple years...

The system you're using does sound like a solid one though.
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Re: [CentOS] What's up with the mailing list spam?

[Bill Campbell]

On Fri, Jan 04, 2008, Ralph Angenendt wrote:
>Matt Shields wrote:
>> Just this morning I've gotten 3 or 4 pieces of spam on the CentOS mailing 
>> list.
>
>Tell us how we should reject that in advance and we will. Yes, the
>"user" was subscribed.

We have Mailman configured to check with spamassassin, sending messages
with sufficiently high scores to the moderator(s) for approval and
automatically discarding anything with a score > 20.  Thus anything with
scores between our required_score of 5 and 20 is held for moderation.

While this isn't perfect, fewer than 1 spam per month has made it through
to any of the lists we host in the last year (at least one of which I
approved accidentally :-).

The only moderated list we host is one for monthly announcements where only
the list owner is allowed to post.  All the others are members-only.

Bill
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URL: http://www.celestial.com/  PO Box 820; 6641 E. Mercer Way
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Re: [CentOS] What's up with the mailing list spam?

[Ralph Angenendt]

John Hinton wrote:
> I guess the big advantage to them on list is the archive now contains their 
> post and if there was a URL, a link from the CentOS archive, pretty well 
> positioned by Google and the likes, now points to their site possibly 
> moving them up on the search engines. It's actually a pretty good tactic.

The problem is that there was no advertisement inside the messages. It
could be for enumerating hosts in a bot net later on.

> Is nothing safe?

Safe from spammers? No. There's good and easy money to be made (think
about it, most work goes on at the recipient side). 

Ralph


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[CentOS] GSL version >= 1.8 CentOS 4.x ?

[Adrian Sevcenco]

Hi! Is there a version of gsl library >= 1.8 available for centos 4.x?
If indeed there is none (as i founded nothing so far) has someone some
idea how should i make the rpm from src.rpm ?
Thank you,
Best regards,
Adrian


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Re: [CentOS] yum error "AttributeError: LOCATION_BASE" after 4.5 -> 4.6 upgrade

[Joe Klemmer]

On Tue, 25 Dec 2007, Johnny Hughes wrote:


Where ever you got it from, that is what broke your system.


	It came from the atrpms repo.  I downgraded and all is fine. 
Thank you and to Lorenzo Martínez Rodríguez for pointing me in the right 
direction.


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Re: [CentOS] What's up with the mailing list spam?

[John Hinton]

Ray Van Dolson wrote:

On Fri, Jan 04, 2008 at 03:22:35PM +0100, Ralph Angenendt wrote:
  

Matt Shields wrote:


Just this morning I've gotten 3 or 4 pieces of spam on the CentOS mailing list.
  

Tell us how we should reject that in advance and we will. Yes, the
"user" was subscribed.




Clearly you should assign an infinite number of monkeys to the problem!
  
How about a person named Ray instead? Or maybe Matt? This would be 
infinitely more easy than feeding those monkeys.

Is kinda weird though; I've also seen posts from what I assume to be
the same spam source (and around the exact same time) on the
dell linux-poweredge list.
  
I guess the big advantage to them on list is the archive now contains 
their post and if there was a URL, a link from the CentOS archive, 
pretty well positioned by Google and the likes, now points to their site 
possibly moving them up on the search engines. It's actually a pretty 
good tactic.


Is nothing safe?

John Hinton

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[CentOS] Re: Mail server setup for small ISP

[Ugo Bellavance]

Matt wrote:

It's been awhile since I looked into it, but I recommend outsourcing your
email.

Companies like fusemail (http://www.fusemail.com/solutions/resellers.html )
will give you accounts at $0.69/month/account for a 1GB account (last time I
checked anyway). They provide an API and a dashboard for managing it. They
also handle backups, I believe (read the fine print before you trust me). I
think there is spam filtering and anti-virus built in too.


Kept thinking that as well.  Only issue is that 0.69 x 2000 equals a
pretty good chunk of change for us.  One thing I would reccommend
though is putting it in a colocation facillity rather then local.
Also start with a beefy machine because its a real pain to upgrade
later.


I don't know if they have space already, but I agree on colocation.  For 
the upgrade, I'll probably virtualize it, so it is easy to upgrade the 
host when needed.


Regards,

Ugo

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Re: [CentOS] xen dependencies

[Timothy Selivanow]

On Fri, 2007-12-28 at 23:03 -0700, Joseph L. Casale wrote:
> It appears that if I perform an install of CentOS 5.1 without changing 
> *anything* in the options, then do a #yum groupinstall 'Virtualization' I can 
> now get Xen to function in bridged mode (it has network connectivity). In 
> lieu of this, can anyone shed some light on what dependency Xen has that is 
> not installed when you do a completely bare install and execute a #yum 
> install xen? I am hoping to finally end up with a minimum install of CentOS 
> with Xen functioning without a gui or any additional services that won't be 
> needed.
> 
> Thanks!
> jlc

In your "broken" setup, do you have libvirt and/or bridge-utils?


--Tim
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Re: [CentOS] John Rosatti, Excavators, 3D, NASA and Why Should I care?

[Jim Perrin]

On Jan 4, 2008 11:59 AM, Craig White <[EMAIL PROTECTED]> wrote:

> is someone going to run this guy already?

Stab-Over-IP is an evolving standard, and is unfortunately not
implemented in most countries with legal systems.

He was removed. He re-registered and re-sent. He was moderated to deny access.

Hopefully this will be the end of it.


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RE: [CentOS] System drops off network after a few minutes

[William L. Maltby]

On Thu, 2008-01-03 at 23:41 -0700, Joseph L. Casale wrote:
> >is this using DHCP or static IP ?
> 
> DHCP
> 
> >are there any events related to networking at the end of the `dmesg`
> >output right after it bonks ?
> 
> Darn, never looked there (my bad). I will get it up again this weekend and 
> attempt the wireshark dump and make sure I save the dmesg log.

JIC it is not apparent, dmesg after net drop. Remember that dmesg is
always available, not just after boot. But saving an after boot one
might be good too, here.

> 
> Thanks!
> jlc
> 

-- 
Bill

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Re: [CentOS] Mail server setup for small ISP

[Matt]

> It's been awhile since I looked into it, but I recommend outsourcing your
> email.
>
> Companies like fusemail (http://www.fusemail.com/solutions/resellers.html )
> will give you accounts at $0.69/month/account for a 1GB account (last time I
> checked anyway). They provide an API and a dashboard for managing it. They
> also handle backups, I believe (read the fine print before you trust me). I
> think there is spam filtering and anti-virus built in too.

Kept thinking that as well.  Only issue is that 0.69 x 2000 equals a
pretty good chunk of change for us.  One thing I would reccommend
though is putting it in a colocation facillity rather then local.
Also start with a beefy machine because its a real pain to upgrade
later.

Matt
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[CentOS] Random procmail filter failures.

[Steven Haigh]

Hi all,

I'm seeing a random issue with my procmail filters (only on email from  
this list) where once every so often, it will fail to filter a  
message. I am sorting by the to/cc email address, and this rule works  
on 99.9% of posts, however every now and again, I see something like  
this happen:


From [EMAIL PROTECTED]  Sat Jan  5 01:57:28 2008
 Subject: Re: [CentOS] What's up with the mailing list spam?
  Folder: /home/netwiz/Maildir/.CentOS-Discussion/new/ 
msg.br32 4852

procmail: Match on "(To|Cc)[EMAIL PROTECTED]"
procmail: Couldn't create or rename temp file "/home/netwiz/ 
Maildir/.CentOS-Discussion/new/msg.A"
procmail: Assigning "LASTFOLDER=/home/netwiz/Maildir/new/ 
1199459595.7065_1.zeus.crc.id.au"
procmail: Notified comsat: "[EMAIL PROTECTED]:/home/netwiz/Maildir/new/ 
1199459595.7065_1.zeus.crc.id.au"


Most posts work perfectly, and show up as such:

From [EMAIL PROTECTED]  Sat Jan  5 02:13:15 2008
 Subject: Re: [CentOS] Firewall frustration
  Folder: /home/netwiz/Maildir/new/ 
1199459595.7065_1.zeus.crc.id.au5944

procmail: Match on "(To|Cc)[EMAIL PROTECTED]"
procmail: Assigning "LASTFOLDER=/home/netwiz/Maildir/.CentOS- 
Discussion/new/msg.gr32"

procmail: Opening "/home/netwiz/Maildir/.CentOS-Discussion/new/msg.gr32"
procmail: Acquiring kernel-lock
procmail: Notified comsat: "[EMAIL PROTECTED]:/home/netwiz/Maildir/.CentOS- 
Discussion/new/msg.gr32"


File and directory permissions on my Maildir directory etc are fine,  
and I'm at a loss to explain this. I've run fsck over the disk with no  
sign of errors.


Has anyone stumbled upon this before?

--
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Phone: (03) 9001 6090 - 0412 935 897



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RE: [CentOS] What's up with the mailing list spam?

[Robert - elists]

> 
> OR moderate all posts ... who wants to volunteer to read and release all
> posts :-D
> 
> Thanks,
> Johnny Hughes

I thought I saw Perrin and Wieers raise their keyboards!!!

E ahem, I meant hands...

:-)

( like they both do not have enough to do already ;-> )

 - rh

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Re: [CentOS] John Rosatti, Excavators, 3D, NASA and Why Should I care?

[Craig White]

On Fri, 2008-01-04 at 15:08 +0200, Super Star wrote:
> John Rosatti, Excavators, 3D, NASA and Why Should I care?
> 

is someone going to run this guy already?

Craig

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Re: [CentOS] cluster suite & gfs problem since update

[Doug Tucker]

Just FYI, I figured out the problem.  I had set all of the clients up
with their IP address in the "target" field, but apparently the updated
rgmanager nfsclient.sh script now checks /var/lib/nfs/etab and sees
what's in there and does a compare, and etab always has the *hostname*
instead of the ip, so since it didn't match the script was marking it
bad.  Kinda stupid way of monitoring if you ask me, why they felt like
this was necessary I have no idea.  Just wanted to let anyone know that
may have set their clients up by ip address that the new update is going
to break them.

On Thu, 2008-01-03 at 11:25 -0600, Doug Tucker wrote:
> I have a cluster that has been operational for some time and functioning
> flawlessly until a recent yum update.  The last unflawed working kernel
> was 2.6.9-55.0.12.ELsmp.  The current kernel is 2.6.9-67ELsmp.  The
> problem appears to be some type of infinite recovery loop of sorts.  It
> runs find for a few minutes, then the service restarts itself.  What I
> am seeing in /var/log/messages is:
> 
> Jan  3 11:17:47 engrfs1 clurgmgrd: [5614]:  nfsclient:skynet_disted
> is missing! 
> Jan  3 11:17:47 engrfs1 clurgmgrd[5614]:  status on
> nfsclient:skynet_disted returned 1 
> (generic error) 
> Jan  3 11:17:47 engrfs1 bash: [27695]:  Removing export:
> 129.119.113.108:/mnt/disted 
> Jan  3 11:17:47 engrfs1 bash: [27695]:  Adding export:
> 129.119.113.108:/mnt/disted (rw) 
> 
> 
> It does this for every client definition on the service.  After it gets
> to the last one, it then restarts the serivce:
> 
> Jan  3 11:16:25 engrfs1 clurgmgrd[5614]:  Stopping service
> disted_export 
> Jan  3 11:16:26 engrfs1 clurgmgrd: [5614]:  Removing IPv4 address
> 129.119.113.180 from et
> h0 
> Jan  3 11:16:36 engrfs1 clurgmgrd[5614]:  Service disted_export
> is recovering 
> Jan  3 11:16:36 engrfs1 clurgmgrd[5614]:  Recovering failed
> service disted_export 
> 
> Then adds the exports and starts services again:
> 
> Jan  3 11:16:36 engrfs1 clurgmgrd: [5614]:  Adding export:
> 129.119.113.108:/mnt/disted (r
> w) 
> Jan  3 11:16:36 engrfs1 clurgmgrd: [5614]:  Adding IPv4 address
> 129.119.113.180 to eth0 
> Jan  3 11:16:37 engrfs1 clurgmgrd[5614]:  Service disted_export
> started 
> 
> And then starts over at the beginning again continuously.  This is a
> production system and this behaviour is causing the clients to hang (of
> course) during the restart.  Thanks much for your help!
> 
> Sincerely,
> 
> Doug Tucker
> 
> 
> 
> 
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Re: [CentOS] Mail server setup for small ISP

[Matt]

>I will probably have to design an e-mail (and other components)
> infrastructure for a small ISP soon (WISP).
>
>I'm doing some research to determine which components would be best to
> offer e-mail services to their client and allow the staff to manage
> accounts easily.
>
>I usually use virtual machines a lot for isolation and easy backups and
> migration (when a hardware node is underpowered, it is easy to migrate
> one or more virtual machines to another hardware node easily).
>
>I have looked at iSCSI and drbd for high-availability of the storage:
> http://www.pcpro.co.uk/realworld/82284/san-on-the-cheap/page1.html.
>
> This looks like it should be doing a great job of high availability storage.
>
>For mail server, I guess I should look at an MTA and IMAP/POP server
> that supports LDAP and/or MySQL for users.  Postfix should be a good
> choice for MTA, as I know it (at least a little, but I know sendmail
> better).  For IMAP/POP, I'm not sure...  Would dovecot be sufficient, or
> should I try cyrus.  I'd rather use components that are available for
> base or extras repository (or rpmforge).  I think that squirrelmail and
> horde would do a good job for webmail.
>
>There shoudn't be any troubles having some redundancy for DNS, web
> servers, mtas, but what about IMAP/POP? linux-HA?  MySQL replication
> should be enough, I guess.  Or maybe linux-HA as well.  I wonder if I
> should add GFS to the mix to have multiple IMAP/POP servers use the same
> storage.  Or maybe IMAP proxies?
>
>Any insights welcome :).

www.directadmin.com

Been running it on CentOS for years.  Added Clamav and spamassassin to
it.  It utilizes Exim and dovecot along with standard bind and apache
stuff.  You pay monthly or yearly license fee.  Its pretty cheap
really.  You can also pay a one time fee for a given machine.

Matt
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[CentOS] Re: Mail server setup for small ISP

[Ugo Bellavance]

Bill Campbell wrote:

On Thu, Jan 03, 2008, Ugo Bellavance wrote:

Hi,



I will probably have to design an e-mail (and other components)
infrastructure for a small ISP soon (WISP).


See my previous post on sizing mail servers.  The setup there is
in use at several of our regional ISP customers, and has been
very solid.  It's a design that has evolved since we started
building and selling systems for ISPs in 1994.


Ok, but I can't seem to find it.  Can you send me the link (see the 
'archived-at' header in the message).



I'm doing some research to determine which components would be best to
offer e-mail services to their client and allow the staff to manage
accounts easily.


There are various tools available to do this.  I have set up very
restricted webmin configurations so the support people at the ISP
could do the necessary things easily with minimal chance of major
screwups (after I've patched some things in webmmin that allowed
it to remove /home when somebody typed in a bad directory :-).


Makes sense, but hard to integrate with billing, for example. But could 
do.  I'm trying to think long-term, while avoiding spending too much time/$.



I usually use virtual machines a lot for isolation and easy backups and
migration (when a hardware node is underpowered, it is easy to migrate one
or more virtual machines to another hardware node easily).



I have looked at iSCSI and drbd for high-availability of the storage:
http://www.pcpro.co.uk/realworld/82284/san-on-the-cheap/page1.html.



This looks like it should be doing a great job of high availability
storage.



For mail server, I guess I should look at an MTA and IMAP/POP server that
supports LDAP and/or MySQL for users.  Postfix should be a good choice for
MTA, as I know it (at least a little, but I know sendmail better).  For
IMAP/POP, I'm not sure...  Would dovecot be sufficient, or should I try
cyrus.  I'd rather use components that are available for base or extras
repository (or rpmforge).  I think that squirrelmail and horde would do a
good job for webmail.


The systems we build have postfix/amavise/clamav, courier-imap,
and usually horde/imp for webmail.  I personally don't like Cyrus
as I prefer to use standard Maildir which allows easy clustering
for mail delivery and IMAP/POP access.


Ok, what do you mean by easy clustering?  Over GFS?  What make it hard 
to cluster in Cyrus?



There shoudn't be any troubles having some redundancy for DNS, web servers,
mtas, but what about IMAP/POP? linux-HA?  MySQL replication should be
enough, I guess.  Or maybe linux-HA as well.  I wonder if I should add GFS
to the mix to have multiple IMAP/POP servers use the same storage.  Or
maybe IMAP proxies?

Any insights welcome :).


I hope you're not charging your client for your learning curve.


Of course not.  Actually, I'm doing research even before having the 
requirements, to know what is possible as soon as possible, once I have 
the requirements, and to be able to discuss with the potential client 
without having to say "I'll have to research on this" every 5 seconds.


Thanks a lot for your help :).

Ugo

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Re: [CentOS] What's up with the mailing list spam?

[Ray Van Dolson]

> Maybee this is why its more common to see weird pictures with text in them 
> so its harder to script is ?
>
> /Mats

That wouldn't help much in this case.  Unless the subscription was
being automated I guess.
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[CentOS] Re: Mail server setup for small ISP

[Ugo Bellavance]

Ralph Angenendt wrote:

Gary Richardson wrote:

It's been awhile since I looked into it, but I recommend outsourcing your
email.


Erks. I wonder why *anyone* in his sane mind would do so (okay, here it
is smallish ISP but I - as a customer - trust my ISP to handle my mail
and would get another ISP as soon as I knew that it is outsourcing mail).


Thanks for the input.  Other comments below.


   For mail server, I guess I should look at an MTA and IMAP/POP
server
that supports LDAP and/or MySQL for users.  Postfix should be a good
choice for MTA, as I know it (at least a little, but I know sendmail
better).  


Then why not use sendmail? Once it is configured properly, maintaining
users is the same as with other MTAs.


I know that it supports ldap, but does it support MySQL or another DBMS 
for addresses lookup?



For IMAP/POP, I'm not sure...  Would dovecot be sufficient, or
should I try cyrus.  I'd rather use components that are available for
base or extras repository (or rpmforge).  I think that squirrelmail and
horde would do a good job for webmail.


I've heard that dovecot scales pretty good. If you want to be on the
safe side, cyrus probably scales way beyond what you need, but is also
harder to maintain.


Ok, but does it scales good like in one server can handle a lot or that 
it is easy to have multiple dovecot servers serve one domain in a 
transparent manner?



   There shoudn't be any troubles having some redundancy for DNS, web
servers, mtas, but what about IMAP/POP?


If you're already thinking about drbd - why not share the imap store
also?


You're right. But I'd need to have a second server ready to take the 
load if the first crashes.



And: There still is the Cyrus Murder for bigger setups, which
allows for flexibility within IMAP frontend and backend servers.


I wasn't aware of the existence of Cyrus Murder, I'll look it up.




  Or maybe IMAP proxies?


See 
which should answer most of your questions regarding HA within an imap
setup.


Wow, that is great, thanks!

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[CentOS] Dump levels?

[Scott Ehrlich]

I created a cron job to invoke a dump script according to Tower Of Hanoi. 
I am dumping a subdirectory and a filesystem.


The backup script, with some other lines removed:
/path/to/dump -0 -fv /dev/nst0 /var/log
/path/to-dump -3 -fv /dev/nst0 /home

When viewing the dump logs, it looks like it is taking the whole job as 
a level 0.   Am missing something?


Thanks.

Scott
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Re: [CentOS] What's up with the mailing list spam?

[MatsK]

Johnny Hughes wrote:

Ray Van Dolson wrote:

On Fri, Jan 04, 2008 at 03:22:35PM +0100, Ralph Angenendt wrote:

Matt Shields wrote:

Just this morning I've gotten 3 or 4 pieces of spam on the CentOS mailing list.

Tell us how we should reject that in advance and we will. Yes, the
"user" was subscribed.


Clearly you should assign an infinite number of monkeys to the problem!

Is kinda weird though; I've also seen posts from what I assume to be
the same spam source (and around the exact same time) on the
dell linux-poweredge list.

They'll unsubscribe the offenders and the problem will go away.  This
thing pops up from time to time.



This is happening in other places too, with this specific user/mail.

We are putting things in place to block / mod these users, but we
already have a positive email required and e-mail activation based on a
link to the address.

We also have rbl list blocking on the server ... and spam scoring.

There is not much else we can do except block the offenders when they
happen.

OR moderate all posts ... who wants to volunteer to read and release all
posts :-D

Thanks,
Johnny Hughes


Maybee this is why its more common to see weird pictures with text in 
them so its harder to script is ?


/Mats
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[CentOS] Re: Weird crash with CentOS 5.1

[Scott Silva]

on 1/3/2008 11:30 PM Jean-Yves Avenard spake the following:

Hi again

On Jan 4, 2008 4:56 PM, Jean-Yves Avenard <[EMAIL PROTECTED]> wrote:

Sound like a bug too me.



I have tried booting the rescue DVD of Fedora 7, and it crashed just
the same when trying to mount the linux partition on the RAID1 array.

However, Fedora 8 manages to boot well, I was able to mount the
partition without any problems.

Currently compiling a kernel 2.6.26.12 , will see if it works with this kernel.

If anyone has a solution on why the stock CentOS kernel crashes when
mounting a Linux Intel Bios RAID1 array, I'm all ears !

Jean-Yves
AFAIR that is fakeraid anyway. Maybe one of the drives is having a problem. 
Could be that the dmraid driver isn't as robust as software raid with drive 
problems. You could eliminate the hardware (except the drives) by swapping 
drives from one of the known working machines into this one and see what 
happens. IF it borks, bad hardware, if not, bad drives or bad install.


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Re: [CentOS] Firewall frustration

[Robert Moskowitz]

Christopher Chan wrote:


ip src/dest is used for routing decisions by the kernel. The IP state 
machine (check the RFC or any decent TCP/IP textbook) is really quite 
simple. But iptables sticks its nose into the center of that state 
machine and can mangle addresses to change how packets flow through 
the machine, or just simplely yank packets right out of the machine 
with a simple NO (drop).


So in my mind's eye of the IP state machine (my MSU CPS 410 prof was 
death on state machines; turn in a perfectly executing assignment 
without one and there went half your grade. See HIP for its state 
machine) is dictated by iptables as to what it is allowed to route.


That just means iptables can influence routing by manipulating packet 
headers. Routing is still controlled by the kernel. 
We are playing with words here, and english tends to be too rich in 
interpretation. I work on standards. I let one regional joke left in an 
RFC: 2410, the Null ESP cipher. There we joke about the null cipher 
having a key length of zero. A very America joke for at the time we were 
killing aspects of the ITAR control on crypto export. But a few years 
later, over at my day job at ICSAlabs, we are trying to figure out why 
this one firewall product for TW is not working with the others. The 
connections are terminated in the ISAKMP negotiation. We dig down and 
find that there is an ISAKMO ESP-NULL proposal with a key payload with a 
value of zero. No one else is accepting this and rejects the whole 
ISAKMP exchange per the ISAKMP RFC. We then find a few other IPsec 
implementations coming out like this and all the authors are people 
following on, just reading the RFCs and NOT getting the joke. There are 
some MAD developers as they have to change their code,and some blushing 
IETFers as we realize we have to maintain the lore of the RFC 
development as there are other RFCs with zingers in them.


Over at the IEEE 802, we are voting ballots on wording that can be 
interpreted on way with the Webster dictionary and another with the 
Oxford dictionary.


So I am right about iptables controlling routing and you are right about 
iptables NOT controlling routing, only influencing it. What does 
'control' mean in this context? IEEE is really big on state machines and 
truly covers the transfer of 'control' from one layer to another. Look 
at the MLME in 802.11. Look at the 802.1X machines. So since I have to 
live this control architecture and work in live debates about what layer 
is controling what, I have a particular language set.



BTW, should we table this debate? Webster says that means stopping, 
'taking the subject off the table.' Oxford says that means to start, 
'placing the subject on the table.' Boy did we have some moments back in 
the mid-90s with the ISO crowd descended on the IETF. Also can we reach 
a concensus here? Webster will accept a majority, Oxford wants complete 
agreement. (Or at least that is what these sources said back in the 
mid-90s when we lived Bernard Shaw's line of: 'Two nations separated by 
a common language')



:)

Now I have to hop over to the Asterisk list to figure why with one 
firewall the INVITE properly redirects the RTP to the RTP server, and 
the with the other firewall this is not in the INVITE so the RTP flow 
does not. ARGH!



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[CentOS] Re: iptables

[Scott Silva]

on 1/4/2008 1:37 AM Christopher Thorjussen spake the following:

Indunil Jayasooriya wrote:

Hi All,

I am running iptables on centos 4.5 and 5 boxes.

Now , I have requirements to enable below features.

Gateway level antivirus, anti spyware and intrusion preventions,
content filtering, etc.

There are a hundred different ways to filter different things,

depending

on exactly what you are trying to accomplish.

One way (that has nothing to do with CentOS) to do part of that is to
use IPCOP as your border router.  (It has snort IDS, and squid

filtering

built in).

Spam, antivirus, and spyware normally come in via e-mail, and
spamassassin and clamav used in conjuction with your mail server (if

you

run it) or in conjunction with your e-mail client on linux can fix

that.

You may also install copfilter onto IPCOP to get pop/smtp/ftp/http
scanning (virus etc)

http://www.copfilter.org/


But copfilter updates are very slow. It would be nice if it could at least 
keep up with clam updates.


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Re: [CentOS] System drops off network after a few minutes

[Kenneth Porter]

--On Friday, January 04, 2008 2:01 PM +0100 Kai Schaetzl 
<[EMAIL PROTECTED]> wrote:



I'd do a simple ifconfig first. Networking can be restarted with "service
network restart".


You can restart individual interfaces with "ifdown eth0" and "ifup eth0". 
(Substitute the appropriate interface name for "eth0".)



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RE: [CentOS] Backup

[Kenneth Porter]

--On Thursday, January 03, 2008 6:01 PM -0500 Jason Pyeron 
<[EMAIL PROTECTED]> wrote:



man dump


Agreed. dump takes a "snapshot" of an ext2/ext3 system. You can use 
"restore -C" (compare mode) to verify the resulting backup.


dump is independently supported on its own mailing list at dump.sf.net. 
(Not a lot of activity, because it's such a stable program.)



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[CentOS] Re: Mail server setup for small ISP

[Ugo Bellavance]

Christopher Chan wrote:

Fajar Priyanto wrote:

On Friday 04 January 2008 10:30:32 Ugo Bellavance wrote:
AFAIK, redundancy for mail server seldom uses linux-ha/any other 
failover

stuffs. It is most common to use 'backup MX' in DNS settings. So, when
the main server in unreachable, the sender mail server would try to the
secondary MX through DNS query.

That's the easy part, but where do you store the e-mail once you have
accepted it?  If the pop/IMAP server is down for a while, people won't
be able to retreive their e-mail...


The secondary MX will temporarily store the mails. And when the 
primary server is up again, it will get all the mail from the 
secondary. Yes. there will be a down time in terms of mail service for 
users.


Maybe others can recommend a better best practice for this.


Yes. No backup mx. You ought to have a cluster of mail servers to accept 
mails for your domain if you need HA. Otherwise, let incoming emails 
queue at their sending hosts as setting up a 'backup' mx that will only 
hold the email and then pass them onto the 'primary' is really pointless 
and only serves to 1) delay delivery of mail and 2) delay notification 
of mail delay to the sending party. It is no longer acceptable today to 
wait for a week before notifying the sender of non-delivery. The idea of 
a backup mx no longer fits today's communications.



I agree, and I don't want to have any client not being able to contact 
the pop/IMAP server for more than 15 minutes.


Ugo

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Re: [CentOS] What's up with the mailing list spam?

[Johnny Hughes]

Ray Van Dolson wrote:
> On Fri, Jan 04, 2008 at 03:22:35PM +0100, Ralph Angenendt wrote:
>> Matt Shields wrote:
>>> Just this morning I've gotten 3 or 4 pieces of spam on the CentOS mailing 
>>> list.
>> Tell us how we should reject that in advance and we will. Yes, the
>> "user" was subscribed.
>>
> 
> Clearly you should assign an infinite number of monkeys to the problem!
> 
> Is kinda weird though; I've also seen posts from what I assume to be
> the same spam source (and around the exact same time) on the
> dell linux-poweredge list.
> 
> They'll unsubscribe the offenders and the problem will go away.  This
> thing pops up from time to time.
> 

This is happening in other places too, with this specific user/mail.

We are putting things in place to block / mod these users, but we
already have a positive email required and e-mail activation based on a
link to the address.

We also have rbl list blocking on the server ... and spam scoring.

There is not much else we can do except block the offenders when they
happen.

OR moderate all posts ... who wants to volunteer to read and release all
posts :-D

Thanks,
Johnny Hughes



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Re: [CentOS] Firewall frustration

[Robert Moskowitz]

Marko A. Jennings wrote:

On Thu, January 3, 2008 8:18 am, Robert Moskowitz wrote:
  

Steven Haigh wrote:


On 03/01/2008, at 3:34 PM, Robert Moskowitz wrote:
  

Christopher Chan wrote:


I spent much of the past 24 hours trying to find out how to set up
iptables for firewall routing WITHOUT NATing. Could not find
anything.



Eh? You just need to enable ip forwarding to enable routing. After
that, it is put up the firewall rules as is necessary, build the
appropriate routing tables on the firewall box and the boxes on the
intranet(s).

iptables does not handle routing.
  

No, but iptables controls what is allowed to route,


I think this is where you are getting confused and causing yourself
issues. iptables has ZERO effect on what is allowed to route. It is a
simple YES or NO as to if it should be allowed to pass or be filtered.
  

I have been tested as having a significant language usage problem, and
am working on it. 'what is allowed to route', was a poor choice of
wording. What you wrote above is much closer to what I wanted to say.

ip src/dest is used for routing decisions by the kernel. The IP state
machine (check the RFC or any decent TCP/IP textbook) is really quite
simple. But iptables sticks its nose into the center of that state
machine and can mangle addresses to change how packets flow through the
machine, or just simplely yank packets right out of the machine with a
simple NO (drop).

So in my mind's eye of the IP state machine (my MSU CPS 410 prof was
death on state machines; turn in a perfectly executing assignment
without one and there went half your grade. See HIP for its state
machine) is dictated by iptables as to what it is allowed to route.


Those little words, "put up the firewall rules as necessary" are
equivalent to "and magic happens here."


It's actually not magical at all... Work with the mindset of "I want
to allow X, Y, and Z, then deny everything else". This translates
easily into iptables rules -j ACCEPT and then your last rule (or
policy) should be a deny/drop/reject.
  

That is exactly what I tried to do. I just used the wrong bit of pixie
dust (during some of the 'heated' IPsec meeting debates one fellow would
try to sneak up a speaker 'that just did not get it' and sprinkle some
glitter on them. He had labeled his tube of glitter as 'security pixie
dust').



If you are interested in learning how iptables work, I suggest reading
this book:

Linux Firewalls, Second Edition
by Robert L. Ziegler
ISBN 0-7357-1099-6

It covers everything from packet filtering concepts to practical examples.

  

Now here is a recommendation to follow up on. Thanks!

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Re: [CentOS] Firewall frustration

[Robert Moskowitz]

qsm wrote:

maybe shorewall can do your live so easy.
It does not support the rtl8150 chipset.  That is what the I have in the 
way of USB ethernet dongles.


Which is another reason to go with a Centos based solution when you need 
to put something up as you go.


--


*-- Original Message ---*
From: Robert Moskowitz <[EMAIL PROTECTED]>
To: CentOS mailing list 
Sent: Thu, 3 Jan 2008 08:03:09 -0500
Subject: Re: [CentOS] Firewall frustration

> Christopher Chan wrote:
> >
> >> I tried it. I had everything open. Then I blocked everything. Then I
> >> set up a rule to allow SSH in to eth0 and out eth1 (and the other
> >> way). At least I thought that was what the rules said, but no SSH
> >> connectivity through the firewall. That was when I realized that I
> >> had not found the necessary incantation, and I had already shot most
> >> of tuesday.
> >>
> >
> > Too bad you missed the documentation on netfilter then.
> And that is the crux of the problem. Finding the right 
documentation

>
> And to look at documentation on netfilter besides iptables.
> > It would have told you that the INPUT chain controls what comes to 
the

> > box, the OUTPUT chain what originates from the box and the FORWARD
> > chain what goes through the box.
> >
> > You would have needed a rule in FORWARD to allow ssh connections
> > through the box. The rules in the INPUT and OUTPUT chains would have
> > zero effect on connections going through.
> >
> > Anyways, you have something now but in case you want to give iptables
> > another go...
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Re: [CentOS] What's up with the mailing list spam?

[Ray Van Dolson]

On Fri, Jan 04, 2008 at 03:22:35PM +0100, Ralph Angenendt wrote:
> Matt Shields wrote:
> > Just this morning I've gotten 3 or 4 pieces of spam on the CentOS mailing 
> > list.
> 
> Tell us how we should reject that in advance and we will. Yes, the
> "user" was subscribed.
> 

Clearly you should assign an infinite number of monkeys to the problem!

Is kinda weird though; I've also seen posts from what I assume to be
the same spam source (and around the exact same time) on the
dell linux-poweredge list.

They'll unsubscribe the offenders and the problem will go away.  This
thing pops up from time to time.

Ray
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Re: [CentOS] What's up with the mailing list spam?

[Ralph Angenendt]

Matt Shields wrote:
> Just this morning I've gotten 3 or 4 pieces of spam on the CentOS mailing 
> list.

Tell us how we should reject that in advance and we will. Yes, the
"user" was subscribed.

Ralph


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[CentOS] What's up with the mailing list spam?

[Matt Shields]

Just this morning I've gotten 3 or 4 pieces of spam on the CentOS mailing list.

-- 
-matt
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Re: [CentOS] Random files in homedir gets deleted

[Ross S. W. Walker]

Do what I do when I need to setup a new Linux facility.

Google "linux audit"

I remember getting a good hit near the top with that. There are cli tools for 
adding files/folders/mounts to the audit system and you can tailor which type 
of activity to audit. It's no where as difficult to do as it sounds.

-Ross


-Original Message-
From: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
To: CentOS mailing list 
Sent: Fri Jan 04 04:25:17 2008
Subject: RE: [CentOS] Random files in homedir gets deleted


> You can enable auditing to determine if the files are disappearing due
to human/machine intervention (audit file system deletes) or if it is
due to file system corruption (files disappear and no delete audits
recorded).
> 
> It may just be an errant rsync script.
> 
> -Ross

How do I enable auditing of the home dir?

/Christopher 
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Re: [CentOS] System drops off network after a few minutes

[Kai Schaetzl]

I'd do a simple ifconfig first. Networking can be restarted with "service 
network restart".

Kai

-- 
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Get your web at Conactive Internet Services: http://www.conactive.com



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[CentOS] John Rosatti, Excavators, 3D, NASA and Why Should I care?

[Super Star]

John Rosatti, Excavators, 3D, NASA and Why Should I care?


Well, because!There are two definitions for excavator; one is any person
engaging in excavation is called an excavator.   The second definition of
excavator is, of course, the vehicles called excavators, which are sometimes
called diggers, trackhoes, fronthoes, and 360-degree excavators or just
360.  This is not to be confused with Microsoft's vertical technology and
news search engine called Excavator or xcavator, as one has nothing to do
with the other.   Here we're talking about heavy duty digging machines, even
though several manufacturers like John Deere, offer Compact, Midsize, and
Large Excavators ranging from 0-6 metric tons for the compact excavators, 6
to 40 metric tons for the midsize, and 40 to 85 for large John Deere
excavators. Additionally there exist mini-excavators, made by another
manufacturer, that will fit through a door.  In case you're now wondering
what 3D and VRML,  or actually x3D has to do with excavators, that is
something we will be getting to in other articles, for right now you'll just
have to trust that there is a fit.   For now, however, let's get back to
excavators, the digging machines used for, but not limited to: Digging,
demolition, minning, river dredging, heavy lifting, and with hydraulic
attachments, brush cutting.  It is these same hydraulic attachments that
have expanded the use of excavators, far beyond their original use of
excavation such as the Low-energy Planetary Excavator (LPE) proposed by
NASA.   The latest paper to be found on this Nasa proposal is for 2006, so
the current status can only be guessed at, nevertheless, the concept is
certainly intriguing as are the LPE's possible commercial applications.
Basically, The LPE would be a general-purpose machine with the ability to
mine ice, regolith, and rock; it would also support construction activities.
The purpose and application is meant for future manned and unmanned missions
to the Moon, Mars, and beyond.  .Additionally, adaptations could be made for
use in extreme-low gravity such as on asteroids. This idea of efficient and
reliable an excavator that has usage on differing planetary surfaces and
various materials has the goal of enabling exploration and bases from
outposts to self-sustaining complexes.  The LPE would be able to accommodate
the different materials that are encountered on planetary surfaces as the
LPE would sense geologic changes and respond to them by using the lowest
cutting energy possible. Moving on the to the possible non-NASA commercial
application it can be said that the same qualities of the LPE that apply to
space would also attract terrestrial users or said differently, us earth
bound creatures.  As both business and government markets rapidly expand, so
does the need for urban infrastructure.  Using NASA's own words on the
subject; "Urban construction settings restrict the use of explosives, to
minimize damaging vibrations, making mechanical methods attractive. In
addition, shallow tunnel construction is rapidly changing from cut-and-cover
to wholly underground, because excavations disrupt city traffic. Coupled
with increasing population, these factors enhance the market for
innovatively flexible systems such as the LPE".If I could have said it
better than NASA did, I would have.  But I couldn't, so I didn't.  Anyway,
there you have it, both the past of excavators and a look at their future
with the development of the Low-energy Planetary Excavator

 JC Curran owns and operates  Excavators Models
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[CentOS] Palm Vacations, Look At A Jamaica Vacation For Total Relaxation

[Super Star]

Palm Vacations, Look At A Jamaica Vacation For Total Relaxation

There is no place like Jamaica for a vacation that consists of total
relaxation. After all, isn?t that what a vacation is for? Get away from the
office, get away from people demanding your time, get away from customers
demanding the impossible, just get away. But where you ?get away to? will
have a significant impact on how you view the success of your vacation and
how much relaxation you really get from it.

A Jamaica vacation is your best bet. Jamaica is close enough to the US to
where your airfare to get there is not a major consideration. You will need
a passport but that can be handled if you plan ahead. The phones are not
ringing, and your choice of hotels and accommodations range from a casual
bed and breakfast to the much more luxurious all inclusive resort type.

The first thing you need to do is to find cheap airline tickets. Do your
research here because like traveling anywhere else, the price of the tickets
can vary greatly. Your best days to travel, if you have a choice, are
Tuesdays and Wednesdays, which are typically very light travel days. Check
online, and also check with your local travel agency. Your local travel
agency may be able to combine a hotel and airfare into one package, which
will save you even more. If you have frequent flyer miles you can redeem, a
trip to Jamaica should not cost you more miles than any other destination.

Do the same thing when shopping for a hotel room. If you are feeling a bit
adventurous, you may want to try one of the many bed and breakfast inns
around the islands. These will give you a taste of the local culture and
will be much less expensive for you. But if you are looking for the ultimate
in rest and relaxation, you might want to cough up the extra dollars to get
a room at one of the all inclusive resorts. These resorts have everything
you need under one roof, all within the grounds of the resort, so that you
may not even have to leave the resort after you arrive! One tip here ? find
your best rate by shopping online, and then invest a bit in long distance
calls to see if you can get a better rate by calling the hotel or resort
directly. Many times this is possible, and it can make your Jamaica vacation
even better.

The one thing that people complain about is the phone service in Jamaica. It
is not the best. But then again, you took a Jamaica vacation to RELAX, so
why are you worried about the telephones? Get away from the phones and
checking in with the office. Really, they can go on without you and will
still open for business tomorrow. Long distance calls that originate in
Jamaica are costly, so be sure you bring your calling card that allows for
an international origin if you anticipate really needing to make a phone
call.

Planned correctly, a Jamaica vacation can be your best bet for relaxation.
Be sure to investigate all that Jamaica has to offer, and you will probably
wonder why you did not vacation to Jamaica sooner!

 Jon is a computer engineer who maintain a variety of web sites based on his
knowledge and experience. For more information about a Jamaica vacation,
please visit his web site at Vacation Jamaica Now.
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Re: [CentOS] System drops off network after a few minutes

[Johnny Hughes]

Joseph L. Casale wrote:
> I have an Intel SE7525RP2 motherboard with a Yukon Marvel (82541GB 
> controller) NIC in it. After installing CentOS 5.1 it functions fine for some 
> minutes then looses network connectivity. By coincidence, I was using the 
> system to clean some HD's for another and had booted off Knoppix and noticed 
> it never exhibited this behavior, the network remained functional even 
> overnight when I returned to the system?
> 
> I looked through messages and didn't see anything NIC/network related, can 
> anyone suggest something to check?
> 
> Thanks!
> jlc

Also it might help to do an modinfo of the actual module that is used to
drive the NIC and see what the version is on both OSes.





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Re: [CentOS] Backup

[Johnny Hughes]

Ruslan Sivak wrote:
> We have a RHEL2 server that has had one of the drives in the raid array
> fail.  I would like to do a full backup of the system before we replace
> the raided drive, in case the second drive decides to die during the
> procedure.
> What is the recommended way to back up a linux system?  I was thinking
> of doing a snapshot, but the system is ext3 with no LVM.  It has been
> suggested to hook up a usb drive and do an rsync of /.  Are there any
> better solutions?
> The reason I wanted a snapshot is that I wanted to get an image of the
> disk, so that I wouldn't have to reinstall and reconfigure all the apps.
> Russ

I know this SOMEHOW ties to CentOS ... though I am not quite seeing it
in that post.



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[CentOS] United Built Homes, Flipping Real Estate or Flipping Paper?

[Super Star]

United Built Homes, Flipping Real Estate or Flipping Paper?

Flipping real estate properties is not for everybody but it is the fastest
way to make a buck in the real estate business. Most everybody has heard of
someone buying a "run down" house for a good price well below market value,
fixing it up and selling it at a fair market price. Flipping a "fixer-upper"
is definitely one way to turn a reasonably quick profit. I know some people
who do it this way but they are more into the contractor and renovation
business than they are of the investor mindset.

Some of these "fixer-upper" properties are in need of extensive repair and
will involve electrical work, carpentry work, etc. If the investor gets
involved and does some or all of this work then there could be enough profit
there but if the investor farms out the required labour, profits could get
eaten up quickly. For these types of flipping real estate investments, the
purchase price needs to be at a huge discount and normally would be found
somewhere in the foreclosure stage.

For the person that is in the mindset of investing rather than being in the
renovation business then flipping real estate will only involve flipping the
paper contract of the property without even taking possession of it. You can
flip by entering an agreement to buy a property then sell the contract to
another investor before close of escrow.

Using this technique won't even require you to put your name on the title.
Profits will generally be less than the fixer-upper investor but involves
much less work and the whole process is much quicker. A fixer-upper investor
would not be happy in making a profit of a few thousand dollars for a few
months work on renovations but an investor that can just flip a contract for
a few hours or days work would be.

Avoid disclosure of your profits to the new buyer by using a double closing.
After making a sweet deal and flipping a contract involving a juicy profit
you may not want all these details to be revealed to your buyer. The
solution is a double closing, transferring the property to you initially and
then reselling immediately at the same lawyer's office just an hour later to
your buyer.

There is a drawback here and that is a double set of closing costs so you
would have to weigh it out to see if it's worth it to your particular
situation or not. Further, you can use a title insurance company for the
actual closings. For the issuance of the title insurance policy, the title
insurance company will prepare the closing documents and close the
transaction usually without an addition charge.
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Re: [CentOS] Random files in homedir gets deleted

[Radu Radutiu]

Hi you can try to use the kernel audit facility:

1) enable the auditd daemon:

service auditd start

2) enable audit for the home directory (only audit write operations to
the directory inode); the command is not recursive and you cannot use
wildcards

auditctl -w /home/user -pw

3) after a file disapears use ausearch to find who removed it (and
what command was used to remove it); suppose file "test" was removed

ausearch -f /home/user/test

Radu

On Jan 4, 2008 11:25 AM, Christopher Thorjussen
<[EMAIL PROTECTED]> wrote:
>
> > You can enable auditing to determine if the files are disappearing due
> to human/machine intervention (audit file system deletes) or if it is
> due to file system corruption (files disappear and no delete audits
> recorded).
> >
> > It may just be an errant rsync script.
> >
> > -Ross
>
> How do I enable auditing of the home dir?
>
> /Christopher
>
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[CentOS] Martin Pelmore, Credit Cards For Students Offer Convenience And Safety

[Super Star]

Martin Pelmore, Credit Cards For Students Offer Convenience And Safety



Credit cards for students are a great deal for many individuals and groups.
Parents will find that credit cards provide a convenient way to provide for
their children away at school. Credit cards for students eliminate the
necessity of students carrying around a lot of cash to pay for their
tuition, fees and miscellaneous expenses. Credit cards for students can be
in the name of the student but paid through the account of a parent. Credit
cards for students give parents ways to let their students meet expenses
while so far away from home. The credit cards for students provide a record
of the expenses for each student.

Credit cards for students pay for many different things. Students can pay
for their books and tuition, but they can also pay for a cup of coffee or
their laundry. The students do not have to write out a check or keep lots of
money on them to pay for the cup of coffee, their laundry and other
incidental expenses. Credit cards for students also allow them to call home
often to let their parents know what is happening in their lives. Many
parents hope this is one task the students will take care of with the credit
card, but students sometimes do not always act responsibly with the credit
card.

Credit Cards For Students Help Them Establish Credit

Many banks and financial institutions offer credit cards for students
because this is a great time to get these people as customers. This is often
the first time that these students are away from home and on their own.
These students are often very dependable people because they are serious
about their education. The banks and financial institutions that offer these
cards for students often believe that the college students are smart
children. They often believe that students will get good jobs when they
complete their education.

Credit cards for students help them establish their credit. Often the banks
and financial institutions will only give credit to those who have proved
that they can handle it. The banks and other financial institutions usually
offer these students a limited amount of credit. If they can handle the
small amount properly, they will be able to get more credit based on their
records. These credit cards can be a very good arrangement for the students
and the financial institutions if the students prove to be dependable.

 Roland Parris Jefferson III is an online researcher based out of Los
Angeles, California. Need more details and expert advice on Credit Cards?
Then please visit our Credit Cards For Students Resource.
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Re: [CentOS] 5.1 yum: distroverpkg=redhat-release ignored?

[Ignacio Vazquez-Abrams]

On Fri, 2008-01-04 at 09:43 +0100, Rainer Traut wrote:
> Hi,
> 
> is this the right behaviour of yum?
> 
> yum.conf has:
> distroverpkg=redhat-release
> 
> But yum obviously uses centos-release to find out the distro version.
> So is yum patched to do this?

rpm -q --whatprovides redhat-release

-- 
Ignacio Vazquez-Abrams <[EMAIL PROTECTED]>

PLEASE don't CC me; I'm already subscribed


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Re: [CentOS] Mail server setup for small ISP

[Ralph Angenendt]

Gary Richardson wrote:
> It's been awhile since I looked into it, but I recommend outsourcing your
> email.

Erks. I wonder why *anyone* in his sane mind would do so (okay, here it
is smallish ISP but I - as a customer - trust my ISP to handle my mail
and would get another ISP as soon as I knew that it is outsourcing mail).

>>For mail server, I guess I should look at an MTA and IMAP/POP
>> server
>> that supports LDAP and/or MySQL for users.  Postfix should be a good
>> choice for MTA, as I know it (at least a little, but I know sendmail
>> better).  

Then why not use sendmail? Once it is configured properly, maintaining
users is the same as with other MTAs.

>> For IMAP/POP, I'm not sure...  Would dovecot be sufficient, or
>> should I try cyrus.  I'd rather use components that are available for
>> base or extras repository (or rpmforge).  I think that squirrelmail and
>> horde would do a good job for webmail.

I've heard that dovecot scales pretty good. If you want to be on the
safe side, cyrus probably scales way beyond what you need, but is also
harder to maintain.

>>There shoudn't be any troubles having some redundancy for DNS, web
>> servers, mtas, but what about IMAP/POP?

If you're already thinking about drbd - why not share the imap store
also? And: There still is the Cyrus Murder for bigger setups, which
allows for flexibility within IMAP frontend and backend servers.

>>   Or maybe IMAP proxies?

See 
which should answer most of your questions regarding HA within an imap
setup.

Cheers,

Ralph


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RE: [CentOS] iptables

[Christopher Thorjussen]

> Indunil Jayasooriya wrote:
> > Hi All,
> >
> > I am running iptables on centos 4.5 and 5 boxes.
> >
> > Now , I have requirements to enable below features.
> >
> > Gateway level antivirus, anti spyware and intrusion preventions,
> > content filtering, etc.
> 
> There are a hundred different ways to filter different things,
depending
> on exactly what you are trying to accomplish.
> 
> One way (that has nothing to do with CentOS) to do part of that is to
> use IPCOP as your border router.  (It has snort IDS, and squid
filtering
> built in).
> 
> Spam, antivirus, and spyware normally come in via e-mail, and
> spamassassin and clamav used in conjuction with your mail server (if
you
> run it) or in conjunction with your e-mail client on linux can fix
that.

You may also install copfilter onto IPCOP to get pop/smtp/ftp/http
scanning (virus etc)

http://www.copfilter.org/


/Christopher
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RE: [CentOS] Random files in homedir gets deleted

[Christopher Thorjussen]

> You can enable auditing to determine if the files are disappearing due
to human/machine intervention (audit file system deletes) or if it is
due to file system corruption (files disappear and no delete audits
recorded).
> 
> It may just be an errant rsync script.
> 
> -Ross

How do I enable auditing of the home dir?

/Christopher 
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RE: [CentOS] Random files in homedir gets deleted

[Christopher Thorjussen]

> On Thursday 03 January 2008 19:09:11 Christopher Thorjussen wrote:
> > On one of my systems I seem to loose a file or two from time to
time.
> > Last night, one of my files (/home/online/sh/NattjobbPrivat.sh) was
> > deleted/removed/vanished. Another time it was /home/online/sh/daemon
> > that was deleted.
> >
> > But I can't seem to find anything strange in the logs or in the
history,
> > nor would any of my scripts running in crontab mess with those
files.
> >
> > Where can I look for clues? And how do I enable audit for file
> > operations in my home folder?
> 
> Hi, this really sounds weird. In order to audit it, the following
> checklist
> might help:
> 1. If the system was administered by an admin other than you and he
got
> fired/dismissed with hard feeling on him, he might put a crontab that
> would
> do nasty thing randomly. Audit all the files in:
> /var/spool/cron
> /var/spool/at
> Also all the script in /etc/cron.{d,daily,weekly,monthly},
/etc/crontab

No admin or anyone else with access have quit or been fired. The files
and folders looks fine.

> 2, Audit all RPM files installed using:
> rpm -Va, looks for a difference in md5sum for binary files such
> as /bin/ls,/bin/ps, etc. You might want to use cracker detection
script
> such as rkhunter.
The files look fine. Some files are marked as MD5 mismatch but it's
mostly config files I've changed. The only files I'm not sure of is:

SM5T/usr/share/rhn/rhn_applet/rhn_applet.pyc
SM5T/usr/share/rhn/rhn_applet/rhn_applet_animation.pyc
SM5T/usr/share/rhn/rhn_applet/rhn_applet_apt.pyc
SM5T/usr/share/rhn/rhn_applet/rhn_applet_dialogs.pyc
SM5T/usr/share/rhn/rhn_applet/rhn_applet_model.pyc
SM5T/usr/share/rhn/rhn_applet/rhn_applet_protocols.pyc
SM5T/usr/share/rhn/rhn_applet/rhn_applet_rpc.pyc
SM5T/usr/share/rhn/rhn_applet/rhn_applet_rpm.pyc
SM5T/usr/share/rhn/rhn_applet/rhn_applet_version.pyc
SM5T/usr/share/rhn/rhn_applet/rhn_applet_yum.pyc
SM5T/usr/share/rhn/rhn_applet/rhn_sources.pyc
SM5T/usr/share/rhn/rhn_applet/rhn_utils.pyc

But I'm not running X so the applet isn't running.

> 
> 3. Looks for the word "error" in log files:
> grep -r error /var/log
> See for related error such as filesystem corruption, etc
[EMAIL PROTECTED] tmp]# grep -r error /var/log
/var/log/Xorg.0.log:(WW) warning, (EE) error, (NI) not implemented,
(??) unknown.
/var/log/anaconda.log:* getting rpm error class
/var/log/prelink.log:/usr/lib64/libgpg-error.so.0.1.3
003c50e0-003c50f02878
/var/log/rpmpkgs.4:libgpg-error-1.0-1.x86_64.rpm
/var/log/rpmpkgs.1:libgpg-error-1.0-1.x86_64.rpm
/var/log/messages.2:Dec 17 08:13:10 ora01 kernel: daemon[1562]: segfault
at 007fc000 rip 002a957af4b2 rsp 007fbfffe730 error 6
/var/log/scrollkeeper.log:I/O error : Attempt to load network entity
http://scrollkeeper.sourceforge.net/dtds/scrollkeeper-omf-1.0/scrollkeep
er-omf.dtd
/var/log/scrollkeeper.log:I/O error : Attempt to load network entity
http://scrollkeeper.sourceforge.net/dtds/scrollkeeper-omf-1.0/scrollkeep
er-omf.dtd
/var/log/scrollkeeper.log:I/O error : Attempt to load network entity
http://scrollkeeper.sourceforge.net/dtds/scrollkeeper-omf-1.0/scrollkeep
er-omf.dtd
/var/log/scrollkeeper.log:I/O error : Attempt to load network entity
http://scrollkeeper.sourceforge.net/dtds/scrollkeeper-omf-1.0/scrollkeep
er-omf.dtd
/var/log/scrollkeeper.log:I/O error : Attempt to load network entity
http://scrollkeeper.sourceforge.net/dtds/scrollkeeper-omf-1.0/scrollkeep
er-omf.dtd
/var/log/scrollkeeper.log:I/O error : Attempt to load network entity
http://scrollkeeper.sourceforge.net/dtds/scrollkeeper-omf-1.0/scrollkeep
er-omf.dtd
/var/log/rpmpkgs.2:libgpg-error-1.0-1.x86_64.rpm
/var/log/Xorg.0.log.old:(WW) warning, (EE) error, (NI) not
implemented, (??) unknown.
/var/log/rpmpkgs.3:libgpg-error-1.0-1.x86_64.rpm
/var/log/rpmpkgs:libgpg-error-1.0-1.x86_64.rpm
/var/log/anaconda.xlog: (WW) warning, (EE) error, (NI) not implemented,
(??) unknown.
/var/log/anaconda.xlog:error opening security policy file
/etc/X11/xserver/SecurityPolicy

 
> 4. It's a long shot, but could be a misconfigured rsync script?
Rsync is not running/used, but some custom scripts are running cleaning
up some folders. I'm trying to battle through them to see if somethings
wrong in them, but so far I've found nothing.

> HTH, pls let us know the result.
Will do.

/Christopher
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Re: [CentOS] library system

[Les Bell]

"david chong" <[EMAIL PROTECTED]> wrote:

>>
Sorry for disturbing, anyone have recommendation for a good open source
library system.
<<

Almost forgot - there's also Emilda: http://www.emilda.org/.

You might also find this article interesting:
http://zgrossbart.blogspot.com/2007/11/library-problem.html

Best,

--- Les Bell, RHCE, CISSP
[http://www.lesbell.com.au]
Tel: +61 2 9451 1144
FreeWorldDialup: 800909


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RE: [CentOS] Random files in homedir gets deleted

[Christopher Thorjussen]

>> Where can I look for clues? And how do I enable audit for 
>> file operations in my home folder?
>> 
>
> If your system is capable, use the SMART tools to check your drive out
> (as CM suggests), something like this:
>
>  smartctl -a /dev/sda
>   
> See how your 'error count log' is doing. If there are errors, then you
> might want to run that command a few times and see if the error count
is
> still rising.

It's a Dell PowerEdge 2950 running in raid 1+0 on the Perc 5/I with SCSI
drives.

[EMAIL PROTECTED] ~]# smartctl -a /dev/sda7
smartctl version 5.33 [x86_64-redhat-linux-gnu] Copyright (C) 2002-4
Bruce Allen
Home page is http://smartmontools.sourceforge.net/

Device: DELL PERC 5/i Version: 1.03
Serial number: 008f71137876e77c0e00b4fdc230c201
Device type: disk
Local Time is: Fri Jan  4 09:43:37 2008 CET
Device does not support SMART

Error Counter logging not supported

Error Events logging not supported
Device does not support Self Test logging


> Is it everything in the /home/online/sh/ directory that is getting
> deleted, or can you see any pattern at all? (it sounds like it is
random
> from what you said...but hard to think of why files would be deleted
> randomlyas you know!)

No pattern so far. Yeah I know it sounds strange for files to be
randomly deleted.

/Christopher
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[CentOS] 5.1 yum: distroverpkg=redhat-release ignored?

[Rainer Traut]

Hi,

is this the right behaviour of yum?

yum.conf has:
distroverpkg=redhat-release

But yum obviously uses centos-release to find out the distro version.
So is yum patched to do this?

Thx
Rainer
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Re: [CentOS] library system

[Indunil Jayasooriya]

Dear All,
>
> Sorry for disturbing, anyone have recommendation for a good open
> source library system.
>
> hope to do it for my church.


pls try  Evergreen
Evergreen is an enterprise-class *library automation system*
  It is open source software, freely licensed under
   the  GNU GPL

pls click below URL
http://www.open-ils.org/

for Docs,
http://open-ils.org/dokuwiki/doku.php?id=server_installation


-- 
Thank you
Indunil Jayasooriya
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Re: [CentOS] library system

[david chong]

thanks a lot! will try out.

On 1/4/08, Les Mikesell <[EMAIL PROTECTED]> wrote:
> david chong wrote:
> > Dear All,
> >
> > Sorry for disturbing, anyone have recommendation for a good open
> > source library system.
> >
> > hope to do it for my church.
>
> I've seen these mentioned, but haven't used them:
> http://obiblio.sourceforge.net/
> http://www.koha.org/
>
> --
>   Les Mikesell
>[EMAIL PROTECTED]
>
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Re: [CentOS] Re: How to size an email server to handle 5 million emails per day

[Christopher Chan]

Bill Campbell wrote:

On Thu, Jan 03, 2008, Joshua Gimer wrote:
I can only talk from experience; we are currently doing spam and anti- 
virus checks in our inbound flow of around 600,000 messages per day.  
To do this we have three inbound SMTP gateways running Sophos  
Puremessage with Sendmail as the MTA.. These systems are quad proc  
systems with 6 to 8 GB of ram. This is still not enough to handle the  
inbound flow efficiently at our organization.


We have a system that handles similar quantities of incoming mail with a
single incoming MX server running postfix, amavisd, and clamav to do anti-
virus checking only, passing clean messages to a cluster of five machines
which do spamassassin checking and delivery into Maildir folders NFS
mounted on a central machine using LDAP authentication on the cluster
machines.


I wonder if you have tried postfix + clamav via clamav-milter in any 
testing for potential system upgrades?



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RE: [CentOS] Random files in homedir gets deleted

[Christopher Thorjussen]

>On Thu, 3 Jan 2008 13:09:11 +0100
>"Christopher Thorjussen" <[EMAIL PROTECTED]> wrote:
>
>> On one of my systems I seem to loose a file or two from time to time.
>> 
>> Where can I look for clues? 
>Is your system visible to the internet? Maybe it's running some kind of
>Apache with homedirs loosely enabled and one unsecure php script + one
>little h4x0r could do the trick?  Is your file system sane? Is your
hard
>drive(s) SMART-wise OK?
>CM

The system is visible only for a few defined IP addresses on the
internet

Apache is not installed. It runs Oracle 10.2g

/Christopher
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