David Suhendrik wrote:
> @Rajagopal:
>
> This result:
> # hdparm -tT /dev/hda5
>
> /dev/hda5:
> Timing cached reads: 9952 MB in 2.00 seconds = 4980.51 MB/sec
> Timing buffered disk reads:8 MB in 3.08 seconds = 2.60 MB/sec
>
8MB/sec sounds like Programmed IO (PIO) to me.
its proba
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
thus David Suhendrik spake:
> @Rajagopal:
>
> This result:
> # hdparm -tT /dev/hda5
>
> /dev/hda5:
> Timing cached reads: 9952 MB in 2.00 seconds = 4980.51 MB/sec
> Timing buffered disk reads:8 MB in 3.08 seconds = 2.60 MB/sec
>
> @Tim
Greetings,
On Tue, May 11, 2010 at 8:08 AM, David Suhendrik wrote:
> @Rajagopal:
>
> This result:
> # hdparm -tT /dev/hda5
>
> /dev/hda5:
> Timing buffered disk reads: 8 MB in 3.08 seconds = 2.60 MB/sec
>
First of all it should report /dev/sda and not /dev/hda
It is a horrible speed for
On Tuesday, May 11, 2010 01:46 PM, Les Mikesell wrote:
> Christopher Chan wrote:
>>>
>>> With reference to your other message in this thread, MailScanner calls
>>> spamd/clamd as part of the process but the real value in my mind is the
>>> granular handling in MailScanner which is sort of complete
Christopher Chan wrote:
> >
>> With reference to your other message in this thread, MailScanner calls
>> spamd/clamd as part of the process but the real value in my mind is the
>> granular handling in MailScanner which is sort of complete overkill but
>> it totally works and scratches about every
On Tuesday, May 11, 2010 11:02 AM, Craig White wrote:
> On Tue, 2010-05-11 at 09:40 +0800, Christopher Chan wrote:
>> On Tuesday, May 11, 2010 06:07 AM, Craig White wrote:
>>> On Mon, 2010-05-10 at 20:33 +0200, Alexander Dalloz wrote:
Am 10.05.2010 14:02, schrieb Brian McKerr:
> I use
On Tue, 2010-05-11 at 09:40 +0800, Christopher Chan wrote:
> On Tuesday, May 11, 2010 06:07 AM, Craig White wrote:
> > On Mon, 2010-05-10 at 20:33 +0200, Alexander Dalloz wrote:
> >> Am 10.05.2010 14:02, schrieb Brian McKerr:
> >>
> >>> I use Mailscanner with postfix and Mailwatch to manage quarant
@Rajagopal:
This result:
# hdparm -tT /dev/hda5
/dev/hda5:
Timing cached reads: 9952 MB in 2.00 seconds = 4980.51 MB/sec
Timing buffered disk reads:8 MB in 3.08 seconds = 2.60 MB/sec
@Timo:
458930-B21 HP 750GB 7.2k HP MDL SATA
I don't have idea for this case :(
--
Best regards,
On Monday, May 10, 2010 07:01 PM, Coert wrote:
> Hello all,
>
> About a year ago I set up a mail server on CentOS using this howto:
> http://wanderingbarque.com/howtos/mailserver/mailserver.html
> I managed to add amavisd-new with clamav and spamassassin.
> It runs very well, but it runs on CentOS
On Tuesday, May 11, 2010 06:07 AM, Craig White wrote:
> On Mon, 2010-05-10 at 20:33 +0200, Alexander Dalloz wrote:
>> Am 10.05.2010 14:02, schrieb Brian McKerr:
>>
>>> I use Mailscanner with postfix and Mailwatch to manage quarantine etc;
>>>
>>> http://mailscanner.info/
>>
>> I don't intend to sta
On 11/05/10 10:40, Gordon Messmer wrote:
> On 05/10/2010 06:20 AM, Kahlil Hodgson wrote:
>> This gives me a very clean and clear separation between inside my
>> network and outside, and no one outside my network is going to see my
>> RFC1918 address space.
>
> I weep every time I see someone advoc
On 05/10/2010 06:20 AM, Kahlil Hodgson wrote:
> This gives me a very clean and clear separation between inside my
> network and outside, and no one outside my network is going to see my
> RFC1918 address space.
I weep every time I see someone advocate NAT for security reasons. It's
ridiculous.
I'm not used to using smartd, but have a new set of systems
that don't have any sort of RAID on them, so I enabled
smartd (18 systems 4 SATA drives each).
Running CentOS 5.4 64-bit ..
One of them has emailed me twice(despite it saying it
would only email me once) saying it has
1 Offline uncorrec
>-Original Message-
>If necessary I am willing to implement a new mail server and a new
>backup mx.
>
>What I would like to know is what solution you guys would
>recommend for
>the mail server and the backup MX?
>
>Any pointers would be greatly appreciated.
>
Running a backup or seconda
Been using sendmail-clamav-mimedefang-greylist combo for years and have never
had a problem.
Standard package:
sendmail-devel-8.13.8-2.el5
sendmail-cf-8.13.8-2.el5
sendmail-doc-8.13.8-2.el5
sendmail-8.13.8-2.el5
>From rpmforge:
mimedefang.2.68-1.el5
clamd-0.96-2.el5
clamav-0.96-2.el5
clamav-milt
On Mon, May 10, 2010 at 06:10:02PM -0400, Jerry Geis wrote:
> I have a centos box with 3 nics. eth0 is internal, eth1 is T1 data and eth2
> is cable data.
> Everything is working on eth2 cable. External NAT is working just fine for
> eth2.
> However external address 74.x.x.x on eth1 is not workin
I have a centos box with 3 nics. eth0 is internal, eth1 is T1 data and eth2 is
cable data.
Everything is working on eth2 cable. External NAT is working just fine for eth2.
However external address 74.x.x.x on eth1 is not working.
Below is my iptables information.
I setup eth1 same as eth2 just a
On Mon, 2010-05-10 at 20:33 +0200, Alexander Dalloz wrote:
> Am 10.05.2010 14:02, schrieb Brian McKerr:
>
> > I use Mailscanner with postfix and Mailwatch to manage quarantine etc;
> >
> > http://mailscanner.info/
>
> I don't intend to start a flamewar, but given Wieste's repeated warnings
> on
On 05/10/2010 01:30 PM, Les Mikesell wrote:
> On 5/10/2010 2:51 PM, Benjamin Franz wrote:
>> Actually, they do (break when updating, that is).
>>
>> The problem is at least one of the packagers for clamd/amavisd-new
>> blindly overrides the path to clamd.sock by overwriting the config file
>> leavi
On 5/10/2010 2:51 PM, Benjamin Franz wrote:
> On 05/10/2010 11:37 AM, Ralph Angenendt wrote:
>> Am 10.05.10 13:01, schrieb Coert:
>>
>>> Hello all,
>>>
>>> About a year ago I set up a mail server on CentOS using this howto:
>>> http://wanderingbarque.com/howtos/mailserver/mailserver.html
>>> I mana
On 05/10/2010 11:03 PM, Jussi Hirvi wrote:
> On 10.5.2010 15.48, Les Mikesell wrote:
>> How do you handle the default route on the 'connect to both' guests?
>> Normally
>> you only want one default gateway and it should be the same one where the
>> connections are coming in. Otherwise you have t
On 05/10/2010 11:37 AM, Ralph Angenendt wrote:
> Am 10.05.10 13:01, schrieb Coert:
>
>> Hello all,
>>
>> About a year ago I set up a mail server on CentOS using this howto:
>> http://wanderingbarque.com/howtos/mailserver/mailserver.html
>> I managed to add amavisd-new with clamav and spamassass
On Mon, May 10, 2010 at 2:56 PM, Les Mikesell wrote:
> On 5/10/2010 1:30 PM, Ross Walker wrote:
>>
>>> Well, yeah - I suppose you could say the design is good for the job
>>> security of sysadmins and for requiring support subscriptions from the
>>> distribution vendors, but it's something that th
Rob Kampen wrote:
> Ned Slider wrote:
>> Coert wrote:
>>
>>> Hello all,
>>>
>>> About a year ago I set up a mail server on CentOS using this howto:
>>> http://wanderingbarque.com/howtos/mailserver/mailserver.html
>>> I managed to add amavisd-new with clamav and spamassassin.
>>> It runs very wel
On 5/10/2010 1:30 PM, Ross Walker wrote:
>
>> Well, yeah - I suppose you could say the design is good for the job
>> security of sysadmins and for requiring support subscriptions from the
>> distribution vendors, but it's something that the computer really should
>> be able to handle by itself just
Am 10.05.10 13:01, schrieb Coert:
> Hello all,
>
> About a year ago I set up a mail server on CentOS using this howto:
> http://wanderingbarque.com/howtos/mailserver/mailserver.html
> I managed to add amavisd-new with clamav and spamassassin.
> It runs very well, but it runs on CentOS 5.2, and if
Am 10.05.2010 14:02, schrieb Brian McKerr:
> I use Mailscanner with postfix and Mailwatch to manage quarantine etc;
>
> http://mailscanner.info/
I don't intend to start a flamewar, but given Wieste's repeated warnings
on the Postfix mailinglist[1] and expressed on
http://www.postfix.org/addon.h
On Mon, May 10, 2010 at 2:05 PM, Les Mikesell wrote:
> On 5/10/2010 12:37 PM, Ross Walker wrote:
>>
>>> I think it is unfortunate how difficult it is to back up a working linux
>>> machine and restore it onto different hardware, given that the system
>>> really is very hardware independent. But,
On Mon, May 10, 2010 at 2:12 PM, JohnS wrote:
>
> On Mon, 2010-05-10 at 13:37 -0400, Ross Walker wrote:
>> On Mon, May 10, 2010 at 1:15 PM, Les Mikesell wrote:
>
>>
>> If I am setting up an ESXi infrastructure the first thing I would do
>> is setup a Cobbler server and a Windows deployment server
Jussi Hirvi wrote:
> On 10.5.2010 15.48, Les Mikesell wrote:
>
>> How do you handle the default route on the 'connect to both' guests?
>> Normally
>> you only want one default gateway and it should be the same one where the
>> connections are coming in. Otherwise you have to do some very tric
On Mon, 2010-05-10 at 13:37 -0400, Ross Walker wrote:
> On Mon, May 10, 2010 at 1:15 PM, Les Mikesell wrote:
>
> If I am setting up an ESXi infrastructure the first thing I would do
> is setup a Cobbler server and a Windows deployment server (maybe a
> Solaris Jump Start server) and integrate i
On 5/10/2010 12:37 PM, Ross Walker wrote:
>
>> I think it is unfortunate how difficult it is to back up a working linux
>> machine and restore it onto different hardware, given that the system
>> really is very hardware independent. But, detecting the hardware and
>> mapping it to device drivers s
On Mon, May 10, 2010 at 1:15 PM, Les Mikesell wrote:
> On 5/10/2010 11:37 AM, Ross Walker wrote:
>>
>> I have ESXi hosts here running 20 VMs per host with some doing
>> terminal services, some doing email, some doing database and other
>> network services and I have not noticed any diminished perf
On 5/10/2010 11:37 AM, Ross Walker wrote:
>
> I have ESXi hosts here running 20 VMs per host with some doing
> terminal services, some doing email, some doing database and other
> network services and I have not noticed any diminished performance,
> and yes going virtual is simply the easiest way t
Ned Slider wrote:
Coert wrote:
Hello all,
About a year ago I set up a mail server on CentOS using this howto:
http://wanderingbarque.com/howtos/mailserver/mailserver.html
I managed to add amavisd-new with clamav and spamassassin.
It runs very well, but it runs on CentOS 5.2, and i
On Mon, May 10, 2010 at 11:52 AM, Les Mikesell wrote:
> On 5/10/2010 8:56 AM, Ross Walker wrote:
>>
>>>
>>> Would this also be suitable for testing efficiency loss from running
>>> under
>>> VMware or other virtualization methods?
>>
>> No because oprofile and latencytop's point of reference is ju
On Sat, May 08, 2010 at 02:46:17PM -0400, Jerry Geis wrote:
> Thanks for the "-t nat" suggetion.
>
> How does someone debug iptables?
> Seems like the local eth0 is working , eth2 is working but connections
> on eth1 dont seem to go anywhere.
> How can I tell what is happening for eth1 and iptabl
On 5/10/2010 8:19 AM, Ryan Manikowski wrote:
> On 5/10/2010 8:02 AM, Brian McKerr wrote:
>> I use Mailscanner with postfix and Mailwatch to manage quarantine etc;
>>
>> http://mailscanner.info/
>>
>> On the backup MX, I just use postfix and some basic anti-spam stuff.
>> Very little gets through an
On Mon, 2010-05-10 at 11:17 -0400, Brunner, Brian T. wrote:
>
> > -Original Message-
> >
> > kernel-rt-2.6.24.7-149 is the newest Real Time Kernel. RT is based on
> > 2.6.24 and not 2.6.18. So no there is not a 2.6.18-kernel-rt
> > for CentOS nor ever was one. Akemi just has those fo
On 5/10/2010 8:56 AM, Ross Walker wrote:
>
>>
>> Would this also be suitable for testing efficiency loss from running
>> under
>> VMware or other virtualization methods?
>
> No because oprofile and latencytop's point of reference is just the
> running kernel and doesn't factor in CPU allocations, n
On Mon, 2010-05-10 at 11:17 -0400, Brunner, Brian T. wrote:
>
> > -Original Message-
> >
> > kernel-rt-2.6.24.7-149 is the newest Real Time Kernel. RT is based on
> > 2.6.24 and not 2.6.18. So no there is not a 2.6.18-kernel-rt
> > for CentOS nor ever was one. Akemi just has those fo
On Mon, May 10, 2010 at 5:24 PM, Keith Christian
wrote:
> What is the meaning of the "4:", "2:", "30:" and "1:" prefixes for the
> following entries in yum.log? Most entries in yum.log don't have
> them.
That's the "Epoch" in the package.
An rpm package is characterised by NEVR, which is
Name
On Mon, May 10, 2010 at 8:17 AM, Brunner, Brian T.
wrote:
> It answered that question (thanks!) and uncovered another:
>
> Has anybody run CentOS 5 with the rt kernel that Akemi Yagi has built?
>
> If so, what modules etc have to be updated to use it? (this is asking,
> has anybody mapped the min
What is the meaning of the "4:", "2:", "30:" and "1:" prefixes for the
following entries in yum.log? Most entries in yum.log don't have
them.
grep "Installed: [0-9]*:" /var/log/yum.log
May 07 16:45:53 Installed: 4:perl-5.8.8-27.el5.i386
May 07 16:58:21 Installed: 2:xinetd-2.3.14-10.el5.i386
May 0
> -Original Message-
>
> kernel-rt-2.6.24.7-149 is the newest Real Time Kernel. RT is based on
> 2.6.24 and not 2.6.18. So no there is not a 2.6.18-kernel-rt
> for CentOS nor ever was one. Akemi just has those for testing.
>
> For as CentOS it has no RT kernel. Not yet, knock knock
On Mon, May 10, 2010 at 8:00 AM, JohnS wrote:
>
> On Mon, 2010-05-10 at 07:31 -0700, Akemi Yagi wrote:
>> On Mon, May 10, 2010 at 6:46 AM, Ross Walker wrote:
>> > Oprofile will show where those precious latencies timings are being
>> > used. It of course adds latency itself, so this should be fa
On Mon, 2010-05-10 at 10:45 -0400, Brunner, Brian T. wrote:
>
> > -Original Message-
> > Akemi Yagi [amy...@gmail.com] wrote
> >
> > On Sat, May 8, 2010 at 6:49 AM, JohnS wrote:
> >
> > > There is of one place that has a RT Kernel if you want to try it so
> > > maybe that person will pos
On Mon, 2010-05-10 at 07:31 -0700, Akemi Yagi wrote:
> On Mon, May 10, 2010 at 6:46 AM, Ross Walker wrote:
> > On May 10, 2010, at 8:53 AM, JohnS wrote:
>
> >> You say efficiency loss. That could mean anything from the power
> >> input
> >> down to the kernel. It looks like that can be determ
> -Original Message-
> Akemi Yagi [amy...@gmail.com] wrote
>
> On Sat, May 8, 2010 at 6:49 AM, JohnS wrote:
>
> > There is of one place that has a RT Kernel if you want to try it so
> > maybe that person will post a link to this thread for you.
>
> Are you referring to me, John? :)
>
> Y
On Mon, May 10, 2010 at 6:46 AM, Ross Walker wrote:
> On May 10, 2010, at 8:53 AM, JohnS wrote:
>> You say efficiency loss. That could mean anything from the power
>> input
>> down to the kernel. It looks like that can be determined by oprofile
>> and latencytop. Latencytop will give you the
Coert wrote:
> Hello all,
>
> About a year ago I set up a mail server on CentOS using this howto:
> http://wanderingbarque.com/howtos/mailserver/mailserver.html
> I managed to add amavisd-new with clamav and spamassassin.
> It runs very well, but it runs on CentOS 5.2, and if I try to upgrade,
>
On May 10, 2010, at 8:40 AM, Les Mikesell wrote:
> JohnS wrote:
>> On Sun, 2010-05-09 at 21:46 -0400, Ross Walker wrote:
>>> On Sat, May 8, 2010 at 7:38 PM, JohnS wrote:
On Sat, 2010-05-08 at 16:17 -0400, Ross Walker wrote:
> On May 8, 2010, at 8:35 AM, Mag Gam wrote:
>
>> At o
On May 10, 2010, at 8:53 AM, JohnS wrote:
>
> On Mon, 2010-05-10 at 07:40 -0500, Les Mikesell wrote:
>> JohnS wrote:
>>> On Sun, 2010-05-09 at 21:46 -0400, Ross Walker wrote:
On Sat, May 8, 2010 at 7:38 PM, JohnS wrote:
> On Sat, 2010-05-08 at 16:17 -0400, Ross Walker wrote:
>> On M
On 10.5.2010 16.20, Kahlil Hodgson wrote:
Here's a pointer to some
> reading that should get you up to speed.
>
> http://www.policyrouting.org/PolicyRoutingBook/ONLINE/TOC.html
>
> Lots of good stuff in there and well work the read.
Thanks Kal, the nat approach starts to sound good. I will read th
On 05/10/2010 08:09 PM, Jussi Hirvi wrote:
> Hm, NAT might be difficult, because there are common ports to the guest
> systems.
Yeah, but they're going to have different IP addresses and we could do
NAT around that. My personal preference is to put a router between
external interfaces (with non
On 5/10/2010 8:02 AM, Brian McKerr wrote:
> I use Mailscanner with postfix and Mailwatch to manage quarantine etc;
>
> http://mailscanner.info/
>
> On the backup MX, I just use postfix and some basic anti-spam stuff.
> Very little gets through and even less gets through to the primary. I
> am aware
forgot the dependency to libusb-devel so the recepi goes like this:
1. uninstall ibmasm package: rpm -e --nodeps ibmasm
2. install libusb-devel
3. get ibmusbasm and ibm asu packages from ibm website
4. install packages
5. run: /opt/ibm/toolscenter/asu/asu show
6. change desired parameters wit
>> I have two public networks here, 62.220.237.x and 62.236.221.x. I want
>> to build a xen system, where some guests connect to one network, some
>> guest to the other one, and some to both. To reduce cabling, I would
>> like to do this with only two nics.
On 10.5.2010 15.48, Les Mikesell wrote:
On Mon, 2010-05-10 at 07:40 -0500, Les Mikesell wrote:
> JohnS wrote:
> > On Sun, 2010-05-09 at 21:46 -0400, Ross Walker wrote:
> >> On Sat, May 8, 2010 at 7:38 PM, JohnS wrote:
> >>> On Sat, 2010-05-08 at 16:17 -0400, Ross Walker wrote:
> On May 8, 2010, at 8:35 AM, Mag Gam wrote:
>
>
On Sun, 2010-05-09 at 11:38 -0400, Mag Gam wrote:
> This is an interesting topic.
>
> So, how does one compare the kernel "speed" from RT and Stock kernel?
>
> Is there a benchmark I can use? For example (I know this is wrong):
> can I look at /proc/cpuinfo and look at the bogmips and compare a
Jussi Hirvi wrote:
> On 9.5.2010 14.03, Kahlil Hodgson wrote:
>> Okay, that makes my head hurt. Why two VLANs? What's you mapping
>> between virtual interfaces and guests? And which guest is the bad one?
>
> Ok, Kal, thank you for very useful ramblings!
>
> This box is already in production, bu
JohnS wrote:
> On Sun, 2010-05-09 at 21:46 -0400, Ross Walker wrote:
>> On Sat, May 8, 2010 at 7:38 PM, JohnS wrote:
>>> On Sat, 2010-05-08 at 16:17 -0400, Ross Walker wrote:
On May 8, 2010, at 8:35 AM, Mag Gam wrote:
> At our Physics research labs we do a lot with low latency netwo
On Sun, 2010-05-09 at 21:46 -0400, Ross Walker wrote:
> On Sat, May 8, 2010 at 7:38 PM, JohnS wrote:
> >
> > On Sat, 2010-05-08 at 16:17 -0400, Ross Walker wrote:
> >> On May 8, 2010, at 8:35 AM, Mag Gam wrote:
> >>
> >> > At our Physics research labs we do a lot with low latency networks. We
>
I use Mailscanner with postfix and Mailwatch to manage quarantine etc;
http://mailscanner.info/
On the backup MX, I just use postfix and some basic anti-spam stuff. Very
little gets through and even less gets through to the primary. I am aware
that some spam techniques go straight to the backup M
Hello all,
About a year ago I set up a mail server on CentOS using this howto:
http://wanderingbarque.com/howtos/mailserver/mailserver.html
I managed to add amavisd-new with clamav and spamassassin.
It runs very well, but it runs on CentOS 5.2, and if I try to upgrade,
amavisd-new and clamav brea
On 10.5.2010 12.50, Kahlil Hodgson wrote:
> I'd opt for NAT and policy-based routing. I'll get back to you with
> details after I've had my diner ;-)
>
> Cheers!
>
> Kal
Hm, NAT might be difficult, because there are common ports to the guest
systems. Below is more detail:
If we say network
On 05/10/2010 05:34 PM, Jussi Hirvi wrote:
> This box is already in production, but I think the most useful approach
> here is to reconsider my setup.
>
> I have two public networks here, 62.220.237.x and 62.236.221.x. I want
> to build a xen system, where some guests connect to one network, som
(2010/05/07 11:49), Jason Pyeron wrote:
>
> EXT3-fs error (device dm-0): ext3_free_blocks_sb: bit already cleared for
> block
> 506003
Some bit errors occurred on your usb stick!
>Memory: 445780k/457600k available (2154k kernel code, 11276k reserved, 899k
data, 232k init, 0k highmem)
>Adding 91
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
thus David Suhendrik spake:
> Dear All,
> I've a new server HP DL 180 G6 with quad core processor, ram 4 GB, hdd
> (WDC) 1x750GB Sata.
> I was confused when installing CentOS 5 64bit on that server, I take
> about two hours to format the ext3 file sy
Greetings,
On Mon, May 10, 2010 at 8:33 AM, David Suhendrik wrote:
> Dear All,
> How to debug on this issue?
>
Just run the hdparm -tT /dev/devname.
If the speed is anything less than 30MB/s, try addind ide0probe=no in
the kernel line of the grub
check the man pages of course to get the corr
On Mon, 2010-05-10 at 10:03 +0700, David Suhendrik wrote:
> Dear All,
> I've a new server HP DL 180 G6 with quad core processor, ram 4 GB, hdd
> (WDC) 1x750GB Sata.
> I was confused when installing CentOS 5 64bit on that server, I take
> about two hours to format the ext3 file system. is this no
On 9.5.2010 14.03, Kahlil Hodgson wrote:
> Okay, that makes my head hurt. Why two VLANs? What's you mapping
> between virtual interfaces and guests? And which guest is the bad one?
Ok, Kal, thank you for very useful ramblings!
This box is already in production, but I think the most useful appro
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