Re: [CentOS] IPV4 is nearly depleted, are you ready for IPV6?

2010-12-07 Thread Christopher Chan
On Tuesday, December 07, 2010 11:08 AM, Todd Rinaldo wrote: On Dec 6, 2010, at 7:51 PM, Christopher Chan wrote: On Tuesday, December 07, 2010 08:57 AM, David wrote: Folks I have been following the IPV6 comments. What concerns me with the loss of NAT are the following issues: 1) My

Re: [CentOS] IPV4 is nearly depleted, are you ready for IPV6?

2010-12-07 Thread Christopher Chan
On Tuesday, December 07, 2010 07:23 PM, Mathieu Baudier wrote: b) Do I get charged by my ISP on a per-device basis? Heh, if they want to micromanage... This is no science fiction. Never said it was. Some big providers in some countries limit the number of device that can connect to

Re: [CentOS] IPV4 is nearly depleted, are you ready for IPV6?

2010-12-07 Thread Christopher Chan
On Wednesday, December 08, 2010 03:11 AM, Ben McGinnes wrote: On 7/12/10 8:33 PM, Christopher Chan wrote: Ah, I must pity you who have to live with what you've got in the United States being under the rule of these tyrants. You guys probably can only dream of getting a 100MB fibre connection

Re: [CentOS] IPV4 is nearly depleted, are you ready for IPV6?

2010-12-06 Thread Christopher Chan
On Tuesday, December 07, 2010 08:57 AM, David wrote: Folks I have been following the IPV6 comments. What concerns me with the loss of NAT are the following issues: 1) My friend from half-way around the world comes to visit. He turns on his IPV6 enabled device (think Ipad), and wants to

Re: [CentOS] 1 Gbit/s Ethernet NIC under CentOS

2010-12-02 Thread Christopher Chan
On Thursday, December 02, 2010 06:53 PM, Peter Kjellström wrote: For completeness (since many previous posts have touched on this), we don't use jumbo frames since we have no problem reaching wirespeed with normal 1500 frames. Seriously? What switches?

Re: [CentOS] 1 Gbit/s Ethernet NIC under CentOS

2010-12-02 Thread Christopher Chan
On Thursday, December 02, 2010 08:28 PM, Peter Kjellström wrote: On Thursday 02 December 2010 12:22:38 Christopher Chan wrote: On Thursday, December 02, 2010 06:53 PM, Peter Kjellström wrote: For completeness (since many previous posts have touched on this), we don't use jumbo

Re: [CentOS] awk help

2010-12-01 Thread Christopher Chan
On Thursday, December 02, 2010 05:09 AM, ann kok wrote: Hi all Anyone can help to let me know how to ls -1 | lsattr lsattr `ls -1` ls -al /folder | awk '{ print $2}' | lsattr for i in `ls -al /folder | awk '{ print $8}'`; do lsattr /folder/$i; done

Re: [CentOS] 1 Gbit/s Ethernet NIC under CentOS

2010-12-01 Thread Christopher Chan
On Thursday, December 02, 2010 03:28 AM, Steve Thompson wrote: On Wed, 1 Dec 2010, Timo Schoeler wrote: Intel. Broadcom. That's what we use here w/o any issues; however, there are some Intel NICs that are *not* able to handle Jumbo Frames due to an internal design glitch. Seconded. I have a

Re: [CentOS] 1 Gbit/s Ethernet NIC under CentOS

2010-12-01 Thread Christopher Chan
On Thursday, December 02, 2010 07:50 AM, Ross Walker wrote: On Dec 1, 2010, at 5:10 PM, Christopher Chanchristopher.c...@bradbury.edu.hk wrote: On Thursday, December 02, 2010 03:28 AM, Steve Thompson wrote: On Wed, 1 Dec 2010, Timo Schoeler wrote: Intel. Broadcom. That's what we use here

Re: [CentOS] awk help

2010-12-01 Thread Christopher Chan
On Thursday, December 02, 2010 07:57 AM, Les Mikesell wrote: On 12/1/2010 5:44 PM, Ross Walker wrote: On Dec 1, 2010, at 5:07 PM, Christopher Chanchristopher.c...@bradbury.edu.hk wrote: On Thursday, December 02, 2010 05:09 AM, ann kok wrote: Hi all Anyone can help to let me know how to

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-30 Thread Christopher Chan
On Wednesday, December 01, 2010 11:37 AM, Nico Kadel-Garcia wrote: On Tue, Nov 30, 2010 at 10:28 PM, Marko Vojinovicvvma...@gmail.com wrote: On Tuesday 30 November 2010 20:54:37 m.r...@5-cent.us wrote: And about apache... most of those attacks are preventable through defensive configuration

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-30 Thread Christopher Chan
On Tuesday, November 30, 2010 07:45 PM, Leonard den Ottolander wrote: Hello Les, On Mon, 2010-11-29 at 12:35 -0600, Les Mikesell wrote: If you don't trust your software, run it under a uid that doesn't have write access to anything important - or in a VM or a different machine for that

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-30 Thread Christopher Chan
On Wednesday, December 01, 2010 04:54 AM, m.r...@5-cent.us wrote: And about apache... most of those attacks are preventable through defensive configuration and coding for httpd itself. Looking to selinux to protect you is very sloppy. The key word is most. If one bothered to go through all

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-29 Thread Christopher Chan
On Monday, November 29, 2010 08:11 PM, Steve Clark wrote: I don't know how it is now - but I tried running in permissive mode a few years ago. It would complain about some file, I would fix the file and the next thing I knew it was complaining about the same file again, and the file was part

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-29 Thread Christopher Chan
On Monday, November 29, 2010 08:50 PM, Marko Vojinovic wrote: Well, the kernel I used at the time had a known exploit (exploitable by some services I was running), and the intruder got advantage of that. Of course, it was partly my fault, because I didn't restart those machines for a long

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-29 Thread Christopher Chan
On Tuesday, November 30, 2010 01:38 AM, Les Mikesell wrote: All of the third-party software I run seems to run just fine, as long as the right contexts are applied. Well, obviously it will work after someone takes the time to make it work. Now it is your turn to quantify: How much would

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-29 Thread Christopher Chan
On Monday, November 29, 2010 11:58 PM, aurfal...@gmail.com wrote: You end up with a zillion groups - which is pointless and unmaintainable. Thank goodness for ACL support and setfacl/getfacl. So what do you do when you have user-specific ACLs splattered randomly through the filesystem and

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-29 Thread Christopher Chan
On Tuesday, November 30, 2010 02:35 AM, Les Mikesell wrote: On 11/29/2010 10:40 AM, Lamar Owen wrote: On Sunday, November 28, 2010 05:40:41 pm brett mm wrote: In reality, I am not at all sure that a quantum leap in complexity adds to security at all. Any proper use of old-school group

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-29 Thread Christopher Chan
- Original Message - From: Max Hetrick maxhetr...@verizon.net To: CentOS mailing list centos@centos.org Sent: Tuesday, November 30, 2010 6:51 AM Subject: Re: [CentOS] SELinux - way of the future or good idea but !!! On 11/29/2010 05:09 PM, Christopher Chan wrote: Hurrah! That's

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-29 Thread Christopher Chan
- Original Message - From: Les Mikesell lesmikes...@gmail.com To: centos@centos.org Sent: Tuesday, November 30, 2010 6:19 AM Subject: Re: [CentOS] SELinux - way of the future or good idea but !!! On 11/29/2010 4:09 PM, Christopher Chan wrote: If you don't trust your software, run

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-29 Thread Christopher Chan
- Original Message - From: cpol...@surewest.net Christopher Chan wrote: Les Mikesell wrote: All of the third-party software I run seems to run just fine, as long as the right contexts are applied. Well, obviously it will work after someone takes the time to make it work

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-28 Thread Christopher Chan
On Sunday, November 28, 2010 07:22 PM, Eero Volotinen wrote: You forgot take on becoming the SELinux integration manager for that project with every single update. I've done that several times now In commercial service production, wasted time also costs money. I think it is easier/cheaper

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-11-28 Thread Christopher Chan
On Sunday, November 28, 2010 10:50 PM, Scott Robbins wrote: On Sun, Nov 28, 2010 at 09:14:43PM +0800, Christopher Chan wrote: I think it is easier/cheaper to use hardware firewalls and idp systems to protect servers than fight with selinux on each server. SELinux tuning might work

Re: [CentOS] Rebuilding samba3x rpms results in size doubled

2010-11-28 Thread Christopher Chan
On Monday, November 29, 2010 04:15 AM, Oguz Yilmaz wrote: Hi, I have rebuilt samba3x SRPM in Centos 5.5. The resultings RPM's are nearly in triple size of the original RPMs. I have installed and checked the binary files are stripped. What can result in such difference in RPM sizes? Maybe if

Re: [CentOS] sed with several lines, how?

2010-11-27 Thread Christopher Chan
Hahahaha, I see that you posted this in quite a few places. Let me repeat it here then. BTW, do a bit of homework if you do need fine tuning before posting back on this list. awk 'BEGIN {sawpattern=0} ^[[:alpha:]], ^[[:alpha:]] {if (($0 ~/brfont size=3[[:alpha:]]/ ) (sawpattern == 0))

Re: [CentOS] Novell sale news?

2010-11-23 Thread Christopher Chan
On Tuesday, November 23, 2010 09:41 PM, Les Mikesell wrote: On 11/23/10 4:42 AM, Karanbir Singh wrote: Les, On 11/22/2010 06:13 PM, Les Mikesell wrote: Is anyone following the news of the Novell sale and some mysterious 'intellectual property assets' that were transferred to a holding

Re: [CentOS] OT: linux desktop market share more than 1%

2010-10-10 Thread Christopher Chan
Les Mikesell wrote: On 10/9/10 2:41 PM, John Hinton wrote: Aside from this, Microsoft seems to love to make changes that break other vendor's software. I can't imagine the frustrations they must feel living in this world. WordPerfect, Adobe and just about everyone has had problems due to some

Re: [CentOS] OT: linux desktop market share more than 1%

2010-10-10 Thread Christopher Chan
Ben McGinnes wrote: On 10/10/10 10:16 PM, Christopher Chan wrote: Go OpenSolaris then. Also OpenOffice and maybe LibreOffice can open docx files...not sure about those from MSO 2010 though... Except OpenSolaris has already been killed by Oracle. There is a fork called Illumos, though

Re: [CentOS] OT: linux desktop market share more than 1%

2010-10-08 Thread Christopher Chan
Or pulseaudio, which, as has been said, was a solution in search of a problem. The latest Fedora thing is systemd, which will help it boot faster--of course, once it boots, your scanner still won't work unless there's someone your mom can call. alsa caught up...but whatever They work

Re: [CentOS] OT: linux desktop market share more than 1%

2010-10-08 Thread Christopher Chan
Ben McGinnes wrote: On 8/10/10 8:27 AM, Phil Schaffner wrote: About 10% of the people at my workplace use Linux for the desktop despite sizable pressure to the contrary from the CIO. Is there a reason for the pressure or is it just a generic pro-M$ and anti-*nix attitude? Or just

Re: [CentOS] Raid 10 questions...2 drive

2010-09-25 Thread Christopher Chan
Jacob Bresciani wrote: RAID10 requires at least 4 drives does it not? Since it's a strip set of mirrored disks, the smallest configuration I can see is 4 disks, 2 mirrored pairs stripped. He might be referring to what he can get from the mdraid10 (i know, Neil Brown could have chosen a

Re: [CentOS] Hole in 64-bit Linux kernel provides root rights

2010-09-20 Thread Christopher Chan
Karanbir Singh wrote: On 09/20/2010 09:20 PM, Dave wrote: http://www.theregister.co.uk/2010/09/15/linux_kernel_regression_bug/ Any equivalent for centos yet? http://bugs.centos.org/view.php?id=4518 We are tracking the issue here. Oh cool, two other schools recently had a ddos bot

Re: [CentOS] Hole in 64-bit Linux kernel provides root rights

2010-09-20 Thread Christopher Chan
Karanbir Singh wrote: On 09/21/2010 12:32 AM, Christopher Chan wrote: Will there be a special case for this particular issue like an early release of a Centos fixed kernel instead of waiting for the powers that be at Redhat? There is a kernel in the c5-testing repo ( details in the issue

Re: [CentOS] Redhat Exams.

2010-07-14 Thread Christopher Chan
On Thursday, July 15, 2010 10:52 AM, Ru-Benz Cáceres wrote: I want to take the exams of redhat.. I´m starting now.. What advices I can get from you list? Nothing. All RH certificate holders are sworn to secrecy about the content but not the format. When I did it, there were three parts. MC,

Re: [CentOS] Networking just stopped working

2010-07-11 Thread Christopher Chan
Are there 'services' that the network 'depends' on, but which are are started *later* then network? Running 'service network restart' as a cure suggests this. Do you have any special or custom init scripts relating to your bonding (maybe something that loads special kernel modules or

Re: [CentOS] Networking just stopped working

2010-07-08 Thread Christopher Chan
Did not know that both had stopped. Conflicting IP addresses was just a suggestion. May not be the problem at all. With bonding, breaking one might break both down at the MAC level ... Hmmm ... which bond mode are you using? Why mode 4 of course. The box with the problem just so

Re: [CentOS] Networking just stopped working

2010-07-08 Thread Christopher Chan
On Thursday, July 08, 2010 05:09 PM, Kahlil Hodgson wrote: On 07/08/2010 05:08 PM, Christopher Chan wrote: Hmmm ... which bond mode are you using? Why mode 4 of course. Ouch. Never used that mode. Huh? Like why? It's the recommended mode unless the switch does not suppoprt

Re: [CentOS] Networking just stopped working

2010-07-08 Thread Christopher Chan
On Thursday, July 08, 2010 09:40 PM, JohnS wrote: On Thu, 2010-07-08 at 07:51 -0500, Les Mikesell wrote: I think some bridge or vlan scenarios require promiscuous mode (and the corresponding disabling of hardware acceleration). Maybe the real issue is that something accidentally

Re: [CentOS] Networking just stopped working

2010-07-07 Thread Christopher Chan
On Thursday, July 08, 2010 09:26 AM, Kahlil Hodgson wrote: On 06/07/10 22:48, Les Mikesell wrote: Chan Chung Hang Christopher wrote: Christopher Chan wrote: And now the thing is working again... It's not working again. Running tcpdump -i vlan seems to trigger something to get the network

Re: [CentOS] Networking just stopped working

2010-07-07 Thread Christopher Chan
On Thursday, July 08, 2010 01:32 PM, Kahlil Hodgson wrote: On 08/07/10 14:58, Christopher Chan wrote: If you have two machines on the same network with the same IP address you get behaviour like this. Had this happen once when an engineer reset a UPSs and it took on the IP address of a main

Re: [CentOS] Networking just stopped working

2010-07-06 Thread Christopher Chan
And now the thing is working again... ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] DNS or firewall problem

2010-07-06 Thread Christopher Chan
# Firewall configuration written by system-config-securitylevel # Manual customization of this file is not recommended. ugh...fwbuilder crap...oh well. *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :RH-Firewall-1-INPUT - [0:0] -A INPUT -j RH-Firewall-1-INPUT

Re: [CentOS] Networking just stopped working

2010-07-06 Thread Christopher Chan
On Tuesday, July 06, 2010 09:21 PM, Chan Chung Hang Christopher wrote: Les Mikesell wrote: Chan Chung Hang Christopher wrote: Christopher Chan wrote: And now the thing is working again... It's not working again. Running tcpdump -i vlan seems to trigger something to get the network working

Re: [CentOS] DNS or firewall problem

2010-07-06 Thread Christopher Chan
Hmm...you do not appear to have a blanket accept for your internal interface. What services are supposed to be open to the internal lan? Really just intersted in web, ftp and maybe samba Well, the rules do accept connections for them three so no problem here. Not really relying on my

Re: [CentOS] DNS or firewall problem

2010-07-06 Thread Christopher Chan
I have most services turned off but can activate them , remotely, from webmin if I need ssh or ftp. Well, I guess you first need to allow connections to webmin (from INSIDE - even if you are absolutely certain no one can guess your password) unless you are only going to do it from the

Re: [CentOS] DNS or firewall problem

2010-07-05 Thread Christopher Chan
On Tuesday, July 06, 2010 08:12 AM, Thomas Dukes wrote: -Original Message- From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf Of Cliff Sent: Monday, July 05, 2010 8:05 PM To: CentOS mailing list Subject: Re: [CentOS] DNS or firewall problem Do u have

[CentOS] Networking just stopped working

2010-07-05 Thread Christopher Chan
Hi all, I have a box with a quad port Netxen NIC running Centos 5. All four interfaces are slaves of bond0 and bond0 is used by two vlan interfaces. All was working just fine until just recently when everything just stopped working. ethtool reports all the individual interfaces are just fine.

Re: [CentOS] Kickstart from tagged VLAN?

2010-07-01 Thread Christopher Chan
On Friday, July 02, 2010 06:51 AM, Jeff Hefner wrote: I've searched around but haven't found a definitive answer yet, is it possible to kickstart from a tagged VLAN? I found this bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=431915 But I can't find out how far the vlan support goes.

Re: [CentOS] CentOS MD RAID 1 on Openfiler iSCSI

2010-06-29 Thread Christopher Chan
On Tuesday, June 29, 2010 01:23 PM, Emmanuel Noobadmin wrote: On 6/29/10, Christopher Chanchristopher.c...@bradbury.edu.hk wrote: The only problem is their HA is commercial only and costs more than the entire hardware budget I've got for this. Crucially, it relies on a failover/heartbeat kind

Re: [CentOS] CentOS MD RAID 1 on Openfiler iSCSI

2010-06-29 Thread Christopher Chan
On Tuesday, June 29, 2010 11:25 PM, Emmanuel Noobadmin wrote: On 6/29/10, Chan Chung Hang Christopher christopher.c...@bradbury.edu.hk wrote: Define cheap. Like these...er...hmm...creative chums here?

Re: [CentOS] CentOS MD RAID 1 on Openfiler iSCSI

2010-06-29 Thread Christopher Chan
On Wednesday, June 30, 2010 10:53 AM, Emmanuel Noobadmin wrote: On 6/30/10, Christopher Chanchristopher.c...@bradbury.edu.hk wrote: So cut appropriate corners to fit. Just not like Backblaze. Their's is decidedly crap hobbled together. With the kind of budget I have to work with, things are

Re: [CentOS] CentOS MD RAID 1 on Openfiler iSCSI

2010-06-29 Thread Christopher Chan
On Wednesday, June 30, 2010 11:43 AM, Drew wrote: D-Link? :-D. I had to get D-Links when money was a bit tighter but now I have HP Procurve 9210al switches. /me stomps on Cisco crap. D-Link had always been decent to me so that's what I usually go for if available. I've heard people

Re: [CentOS] CentOS MD RAID 1 on Openfiler iSCSI

2010-06-29 Thread Christopher Chan
On Wednesday, June 30, 2010 01:14 PM, Drew wrote: Barring that I've had good luck with Linksys over the years. We just recently installed a 48port gigabit switch in the office that set us back around $900. Equivalent Procurve was priced at around $3000. ??? For $3000 I can get PoE+, 48

Re: [CentOS] CentOS MD RAID 1 on Openfiler iSCSI

2010-06-28 Thread Christopher Chan
On Tuesday, June 29, 2010 10:53 AM, Emmanuel Noobadmin wrote: On 6/29/10, Les Mikeselllesmikes...@gmail.com wrote: If you are looking at openfiler, you might also want to consider nexentastor. Their community edition is free for up to 12TB of storage. It's an OpenSolaris/ZFS based system

Re: [CentOS] CentOS MD RAID 1 on Openfiler iSCSI

2010-06-28 Thread Christopher Chan
On Tuesday, June 29, 2010 04:53 AM, Emmanuel Noobadmin wrote: On 6/29/10, Karanbir Singhmail-li...@karan.org wrote: Depends on how you set it up, if you have 2 machines ( disk nodes ), exporting iscsi. 1 machine ( data node ) doing the import and sets up a raid1; you can afford to have one of

Re: [CentOS] PXE boot into rescue mode

2010-06-09 Thread Christopher Chan
I followed the instructions here: http://nixcraft.com/file-servers/14803-how-centos-5-pxe-linux-installation-server.html, along with a few other sources that were less successful, and I finally got a pxe boot going. I'm using CentOS 5.3 x86_64 media as the source. The server boots, but

Re: [CentOS] Package Distribution Server?

2010-06-03 Thread Christopher Chan
On Friday, June 04, 2010 12:01 PM, John R Pierce wrote: Zhihao Lou wrote: Dear List, I'm trying to set up a lab with multiple workstations running CentOS 5. Does anybody knows how to keep the packages in sync among workstations? Ideally I want any change made on any machine be able to

Re: [CentOS] release of 5.5? (filesystem troubles)

2010-05-13 Thread Christopher Chan
On Friday, May 14, 2010 08:50 AM, Rainer Fuegenstein wrote: hi guys, is there an estimate when centos 5.5 will be released? I'm sitting on needles here, because since I moved my 4*1.5TB raid5 from an asus to an intel D510 mainboard I encounter bug the described here:

Re: [CentOS] [CentOS-announce] CESA-2010:0394 Important CentOS 4 x86_64 kernel security, bug fix, and enhancement update

2010-05-11 Thread Christopher Chan
Any list admins out there that can give Mrs. Taylor a hand? On Wednesday, May 12, 2010 10:08 AM, Bob Taylor wrote: BOB TAYLOR HAS DIED PLEASE TAKE HIS NAME OFF YOUR MAIL OUT LIST THANKS ... On Fri, May 7, 2010 at 3:12 PM, Tru Huynh t...@centos.org mailto:t...@centos.org wrote: entOS

Re: [CentOS] mail server best practices question

2010-05-10 Thread Christopher Chan
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 start a flamewar,

Re: [CentOS] mail server best practices question

2010-05-10 Thread Christopher Chan
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 5.2,

Re: [CentOS] mail server best practices question

2010-05-10 Thread Christopher Chan
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 Mailscanner

Re: [CentOS] mail server best practices question

2010-05-10 Thread Christopher Chan
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 overkill

Re: [CentOS] is it possible to resive /var online?

2010-05-02 Thread Christopher Chan
That's exactly as I thought :) For now, a safer way around this, I moved the /var/lib/xend/saved folder to it's own LVM volume, and re-mounted it on /var/lib/xend. So now /var has 1.4GB free space from 2GB 2G for /var still looks a bit on the small side to me... /var can be umounted if

Re: [CentOS] OpenJDK vs Sun JDK

2010-04-16 Thread Christopher Chan
On Friday, April 16, 2010 02:54 PM, Mathieu Baudier wrote: RedHat has acknowleged that Sun's JDK is faster - despite the fact OpenJDK is native. Since it's native, it also means it's not platform independent (in the sense of compile once run anywhere.) What do you mean is native ? I assumed

[CentOS] OpenJDK jvm vs Sun jvm was Re: OpenJDK vs Sun JDK

2010-04-15 Thread Christopher Chan
On Friday, April 16, 2010 11:44 AM, Agile Aspect wrote: On Tue, Apr 13, 2010 at 11:03 PM, Christopher Chan christopher.c...@bradbury.edu.hk wrote: Hi all, Any comments as to Centos/RHEL 5.3's openjdk implementation versus Sun's? RedHat has acknowleged that Sun's JDK is faster - despite

[CentOS] OpenJDK vs Sun JDK

2010-04-14 Thread Christopher Chan
Hi all, Any comments as to Centos/RHEL 5.3's openjdk implementation versus Sun's? cheers, Christopher ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] OpenJDK vs Sun JDK

2010-04-14 Thread Christopher Chan
On Wednesday, April 14, 2010 02:26 PM, Eero Volotinen wrote: 2010/4/14 Christopher Chanchristopher.c...@bradbury.edu.hk: Hi all, Any comments as to Centos/RHEL 5.3's openjdk implementation versus Sun's? it's at least missing webstart ? Hmm, not sure if that is crucial to Corendal's

Re: [CentOS] Slightly OT: which hardware for CentOS file server (Samba, 2 To storage, 50 users)?

2010-04-14 Thread Christopher Chan
On Wednesday, April 14, 2010 02:59 PM, Niki Kovacs wrote: Niki Kovacs a écrit : Since the aim is lowcost, would it be wrong to install that fileserver on a no-name desktop PC with a 64bit processor and enough RAM, and then simply put 2 x 2 To hard disks in it, either with a mirroring RAID

[CentOS] mysql-python

2010-03-25 Thread Christopher Chan
Is it me or does the MySQLdb module in Centos not support python's DBAPI 2.0? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] mysql-python

2010-03-25 Thread Christopher Chan
On Thursday, March 25, 2010 09:11 PM, JohnS wrote: On Thu, 2010-03-25 at 14:14 +0800, Christopher Chan wrote: Is it me or does the MySQLdb module in Centos not support python's DBAPI 2.0 --- Well you give no clue to the code your using. Post what type your using, It uses cursors so

Re: [CentOS] RAID 5 setup?

2010-03-25 Thread Christopher Chan
On Friday, March 26, 2010 05:52 AM, Slack-Moehrle wrote: As the disks get bigger, rebuild time also increases and the performance of the disks don't increase linearly with their storage. This means that when you are rebuilding a disk, the chances of one of your other disks failing becomes

Re: [CentOS] mysql-python

2010-03-25 Thread Christopher Chan
On Friday, March 26, 2010 08:52 AM, Ray Van Dolson wrote: On Fri, Mar 26, 2010 at 08:23:26AM +0800, Christopher Chan wrote: On Thursday, March 25, 2010 09:11 PM, JohnS wrote: On Thu, 2010-03-25 at 14:14 +0800, Christopher Chan wrote: Is it me or does the MySQLdb module in Centos not support

Re: [CentOS] mysql-python

2010-03-25 Thread Christopher Chan
Where'd you get your MySQLdb module from? yum install MySQL-python ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] RAID 5 setup?

2010-03-25 Thread Christopher Chan
On Friday, March 26, 2010 09:12 AM, John R Pierce wrote: Christopher Chan wrote: but with RAID 10, data is safe after many types of failures. Except for the case when a mirror dies after which the whole thing is toast but in theory you can survive up to four disks going down. if you have

Re: [CentOS] mysql-python

2010-03-25 Thread Christopher Chan
On Friday, March 26, 2010 09:39 AM, Ray Van Dolson wrote: On Fri, Mar 26, 2010 at 09:32:35AM +0800, Christopher Chan wrote: Where'd you get your MySQLdb module from? yum install MySQL-python Well, don't know what to tell you: $ rpm -qi MySQL-python Name: MySQL-python

Re: [CentOS] mysql-python

2010-03-25 Thread Christopher Chan
con=MySQLdb.connection(passwd=,user=esf,db=maze_bs) Blast, it is because I am using connection instead of connect. Sorry for the noise. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] sendmail sending out on port 587

2010-03-21 Thread Christopher Chan
The other common option is to use port 465 for smtp over ssl - which should be something you can activate by uncommenting lines in your sendmail.mc and most clients handle. Or use an outside account like gmail or yahoo that does this. Please do not promote port 465 when everything else other

Re: [CentOS] MySQL max clustering package?

2010-03-17 Thread Christopher Chan
On Wednesday, March 17, 2010 09:41 PM, JohnS wrote: On Wed, 2010-03-17 at 21:10 +0800, Chan Chung Hang Christopher wrote: JohnS wrote: On Tue, 2010-03-16 at 23:19 -0500, Neil Aggarwal wrote: Mysql by itself has built in clustering though there can be significant limitations in it depending

Re: [CentOS] MySQL max clustering package?

2010-03-17 Thread Christopher Chan
On Thursday, March 18, 2010 12:38 PM, Rajagopal Swaminathan wrote: Greetings, On Thu, Mar 18, 2010 at 5:23 AM, Christopher Chan christopher.c...@bradbury.edu.hk wrote: GT.M perhaps for speed ;) Actually, I'd rather get a Tesla. When, oh when, will Tesla come to HK. This is getting way

Re: [CentOS] disk i/o stalls with mptsas since upgrade to centos 5.4

2010-03-16 Thread Christopher Chan
On Wednesday, March 17, 2010 11:46 AM, John R Pierce wrote: Rajagopal Swaminathan wrote: Greetings, I would move this discussion to 'CentOS Users' as that is the more appropriate list for this. uh! I didn't know one such existed. Can you give some more details about this please? You

Re: [CentOS] Motherboards for HPC applications

2010-03-10 Thread Christopher Chan
On Thursday, March 11, 2010 01:41 AM, Eduardo Grosclaude wrote: On Wed, Mar 10, 2010 at 2:05 AM, Christopher Chan christopher.c...@bradbury.edu.hk wrote: On the Intel side, a dual socket solution will even outperform a quad socket solution so if one is looking for Intel cpu solutions, dual

Re: [CentOS] Exim VS Postfix (no flame wars please)

2010-03-09 Thread Christopher Chan
On Tuesday, March 09, 2010 11:03 PM, da...@pnyet.web.id wrote: Yahoo using postfix, and zimbra also use postfix as MTA. But exim is simple to configure. And when did Yahoo switch from qmail to postfix? In fact, the headers still indicate that Yahoo is using their own modified version of

Re: [CentOS] Motherboards for HPC applications

2010-03-09 Thread Christopher Chan
On Wednesday, March 10, 2010 12:35 AM, Joshua Baker-LePain wrote: On Tue, 9 Mar 2010 at 9:49pm, Chan Chung Hang Christopher wrote If cpu processing power is the sole criteria, then why limit to dual-socket boards and not go for quad-socket boards? In general, the price goes up non-linearly

Re: [CentOS] Motherboards for HPC applications

2010-03-09 Thread Christopher Chan
On Wednesday, March 10, 2010 11:41 AM, John R Pierce wrote: Christopher Chan wrote: Hmm, I see at most a 50% increase in motherboard pricing from a dual to a quad socket motherboard and that is with a difference in feature set too with the quad coming with an extra onboard LSI 8 port SAS

Re: [CentOS] LVM Stripe

2010-03-08 Thread Christopher Chan
On Tuesday, March 09, 2010 06:40 AM, Lincoln Zuljewic Silva wrote: Hello list, I have a question about LVM. My server has five disks and I will use it to create a LVM environment. I saw in the lvcreate man page that I can use the “-i” option to set the number of disks that I want to stripe

Re: [CentOS] Kernel Errors

2010-03-08 Thread Christopher Chan
On Tuesday, March 09, 2010 09:08 AM, Robert Spangler wrote: Hello, I was wondering if anyone could point me in the right direction? I am receiving these in my log file and do not know what they mean or what to look for; Mar 8 04:03:56 bms kernel: ata3.00: exception Emask 0x0 SAct 0x0 SErr

Re: [CentOS] Motherboards for HPC applications

2010-03-08 Thread Christopher Chan
On Tuesday, March 09, 2010 12:34 AM, Eduardo Grosclaude wrote: Hello, Can somebody recommend CentOS-OK, dual socket motherboards for compute elements? A quick look up at Intel pages suggests they are thinking of them as server boards, but then they recommend them as for SMB, I'm somewhat

Re: [CentOS] Recover RAID

2010-03-03 Thread Christopher Chan
raiddev /dev/md1 raid-level 0 nr-raid-disks 2 persistent-superblock 1 chunk-size 4 device /dev/sda4 raid-disk 0 device /dev/sdb2 raid-disk 1 It says it can bring up md0 ok,

Re: [CentOS] Recover RAID

2010-03-03 Thread Christopher Chan
On Thursday, March 04, 2010 10:09 AM, John R Pierce wrote: Jeff Sadino wrote: Do you think I can copy the unknown partition from the second drive onto the first drive and have everything work again? if there's a md mirror, god knows what will happen when you boot it up with both drives

Re: [CentOS] Recover RAID

2010-03-03 Thread Christopher Chan
On Thursday, March 04, 2010 11:33 AM, nate wrote: Jeff Sadino wrote: Ok, I'm learning a lot about raids and what to do, and what not to do. Looking at some info I had before, md1 was 200GB in size, which makes sense, but it was only 39GB full. The way I repartitioned drive 1, I probably

Re: [CentOS] Recover RAID

2010-03-03 Thread Christopher Chan
On Thursday, March 04, 2010 01:15 PM, Jeff Sadino wrote: Backups? I wish :) I will now. /me hands Jeff a big clueby4 to use on the former admin. But looking closer, that md1 is not my OS partition, just a data partition. If I take that md1 entry out of the raidtab file and restart the

Re: [CentOS] Email Problem

2010-02-26 Thread Christopher Chan
On Saturday, February 27, 2010 06:46 AM, Benjamin Franz wrote: Geerd-Dietger Hoffmann wrote: On 26/02/2010 15:32, Brian Mathis wrote: Welcome to the second decade of the 21st century. We may not have flying cars or found the monolith on the moon yet, but at least we can have proportional

Re: [CentOS] Recommended PCIe SATA/SAS Controller?

2010-02-24 Thread Christopher Chan
On Thursday, February 25, 2010 12:56 AM, Tim Nelson wrote: Greetings all- I need to purchase a PCIe SATA or SAS controller(non-raid) for a Supermicro 2U system. It should be directly bootable. Any recommendations? The system will be running CentOS 5.4 as an LTSP system. Thanks! Anything

Re: [CentOS] Recommended PCIe SATA/SAS Controller?

2010-02-24 Thread Christopher Chan
On Thursday, February 25, 2010 08:57 AM, John R Pierce wrote: Christopher Chan wrote: On Thursday, February 25, 2010 12:56 AM, Tim Nelson wrote: Greetings all- I need to purchase a PCIe SATA or SAS controller(non-raid) for a Supermicro 2U system. It should be directly bootable. Any

Re: [CentOS] Recommended PCIe SATA/SAS Controller?

2010-02-24 Thread Christopher Chan
On Thursday, February 25, 2010 09:47 AM, Stephen Wong wrote: Any Silicon Image card will do, don't worry about the fake-raid bios, don't define anything under the fake-raid bios, and the kernel will see the Silicon Image chip and connected disks readily. The kernel module for Silicon Image

Re: [CentOS] Recommended PCIe SATA/SAS Controller?

2010-02-24 Thread Christopher Chan
On Thursday, February 25, 2010 09:53 AM, John R Pierce wrote: Christopher Chan wrote: So what chipset would you recommend for non-raid, SATA solution? the OP said SAS/SATA without specifying how many ports, or what sort of connectors, or internal vs external... I've already suggested

Re: [CentOS] Recommended PCIe SATA/SAS Controller?

2010-02-24 Thread Christopher Chan
On Thursday, February 25, 2010 10:36 AM, Stephen Wong wrote: I'll not pay 60USD for a fake-raid BIOS. Here, a Silicon Image 3124 (PCI not PCIe, but I believe PCIe version is also available) 4-port SATA card worths 30USD or below. The fake-raid BIOS comes with the card, I can't remove it, but

Re: [CentOS] OT: Torrent software choice

2010-02-22 Thread Christopher Chan
Sorry to hear that a member of the list has passed away. Google tells me that 970 is the area code for Colorado so maybe members of the list who live there might want to give her a hand with the computer. On Tuesday, February 23, 2010 02:40 AM, Bob Taylor wrote: Hi, I am writting this

[CentOS] Supermicro H8QI6-F

2010-02-22 Thread Christopher Chan
Anybody using this four way board for AMD processors that packs multiple HT links? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

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