Re: [CentOS] dual head on centos 5 and ancient Nvidia Quadro NVS280SD card

2013-05-07 Thread Ross Walker
On Tue, May 7, 2013 at 3:59 PM, Fred Smith wrote: > On Tue, May 07, 2013 at 03:09:13PM -0400, Ross Walker wrote: > > On Tue, May 7, 2013 at 2:34 PM, Ross Walker wrote: > > > > > On Mon, May 6, 2013 at 4:47 PM, Fred Smith < > fre...@fcshome.stoneham.ma.us>wrote:

Re: [CentOS] dual head on centos 5 and ancient Nvidia Quadro NVS280SD card

2013-05-07 Thread Ross Walker
On Tue, May 7, 2013 at 2:34 PM, Ross Walker wrote: > On Mon, May 6, 2013 at 4:47 PM, Fred Smith > wrote: > >> I was just handed a 2nd monitor for my system at work, and using Centos 5 >> (latest) >> can't make dual head work. a good bit of googling isn't

Re: [CentOS] dual head on centos 5 and ancient Nvidia Quadro NVS280SD card

2013-05-07 Thread Ross Walker
On Mon, May 6, 2013 at 4:47 PM, Fred Smith wrote: > I was just handed a 2nd monitor for my system at work, and using Centos 5 > (latest) > can't make dual head work. a good bit of googling isn't being particularly > helpful either. > Dual head or dual monitor? Dual head typically means running t

Re: [CentOS] NIS expiration of passwords

2012-07-06 Thread Ross Walker
On Jun 28, 2012, at 4:49 PM, Michael Coffman wrote: >> I would believe this information is shared from the server to the >> other computers but here users still can connect (via SSH). If I try >> to get the information on the user connected I have: >> # chage -l USER >> user 'USER' does not exis

Re: [CentOS] Memory recognition in 6.2

2012-06-20 Thread Ross Walker
On Jun 20, 2012, at 2:18 AM, "Hugh E Cruickshank" wrote: > Thanks for all the responses and suggestions. I have been doing some > more research and I believe that it may be possible to go 64-bit. I > am going to leave this for now and have another look at it in the > morning when I am, hopefully,

Re: [CentOS] Sendmail SMTP Brute-Force Attack

2012-06-14 Thread Ross Walker
If you have disabled open relaying then I would look at grey listing and throttling to reduce the number of spam per hour that comes in. Since your routing others emails there is no point in spam analysis cause your customers are probably doing it already. Just need to dissuade spammers from f

Re: [CentOS] OT - Is there a package to monitor network traffic

2012-06-14 Thread Ross Walker
On Jun 14, 2012, at 6:44 PM, Ross Walker wrote: > On Jun 14, 2012, at 1:07 PM, Steve Campbell wrote: > >> We have a situation here that is a real mystery. >> >> Our MRTG on our outgoing router and a firewall server that protects our >> web servers is showing a

Re: [CentOS] OT - Is there a package to monitor network traffic

2012-06-14 Thread Ross Walker
On Jun 14, 2012, at 1:07 PM, Steve Campbell wrote: > We have a situation here that is a real mystery. > > Our MRTG on our outgoing router and a firewall server that protects our > web servers is showing a spike every six hours. I can't find the server > behind the firewall that is generating

Re: [CentOS] Centos 6 - Networking: Some Queries -- GURUS HELP PL

2012-06-14 Thread Ross Walker
On Jun 13, 2012, at 2:52 AM, Sanjay Arora wrote: > My machine is on LAN 192.168.1.0/24, has an IP of 192.168.1.3. This > Network has GW 192.168.1.1 which is an adsl router in the office. No > firewall on the router. Other LAN machines have IPs in the > 192.168.1.0/24 network & I'm not allowed to

Re: [CentOS] Upgrading FC2 to CentOS 5.* - anyone second this? - general report

2012-06-03 Thread Ross Walker
On Jun 3, 2012, at 12:55 PM, "Max Pyziur" wrote: >> On Wednesday, May 30, 2012 02:56:24 PM Max Pyziur wrote: >>> My hope is to upgrade; that way I don't have to change/specify partition >>> topology, and hopefully only minimally adjust the existing >>> configurations. >> >> I have tried this typ

Re: [CentOS] biggest disk partition on 5.8?

2012-05-24 Thread Ross Walker
On May 23, 2012, at 2:25 PM, Alan McKay wrote: > Damn, should have checked the archives first (had been looking at > Centos and RHEL docs but no luck) > > Looks like 16TB is the limit? In ext3, i believe xfs has a limit in the PBs. -Ross ___ CentOS

Re: [CentOS] SMB shares and LDAP

2012-05-23 Thread Ross Walker
On May 22, 2012, at 11:07 AM, aurfalien wrote: > > On May 21, 2012, at 11:25 PM, Gordon Messmer wrote: > >> On 05/21/2012 03:17 PM, aurfalien wrote: >>> Is there some kind of passwd backend option in my smb.conf that allows it >>> to query my OpenLDAP server? >> >> Presumably, you're trying t

Re: [CentOS] Help needed with NFS issue

2012-04-18 Thread Ross Walker
On Apr 18, 2012, at 3:35 PM, Steve Thompson wrote: > Interesting. It looks like some kind of RPC failure. During the hang, I > cannot contact the nfs service via RPC: > > # rpcinfo -t nfs > rpcinfo: RPC: Timed out > program 13 version 0 is not available > > even though it is supposedly av

Re: [CentOS] Help needed with NFS issue

2012-04-17 Thread Ross Walker
On Apr 17, 2012, at 6:57 PM, Steve Thompson wrote: > On Tue, 17 Apr 2012, Ross Walker wrote: > >> Let me also add that constant spanning tree convergence can cause this >> too. Make sure your choice of protocol and priority suit your topology >> and equipment. > >

Re: [CentOS] Help needed with NFS issue

2012-04-17 Thread Ross Walker
On Apr 17, 2012, at 6:49 PM, Ross Walker wrote: > Just a shot in the dark here. > > Take a look at the NIC and switch port flow control status during an outage, > they may be paused due to switch load. > > Is there anything else on the network switches that might flood them

Re: [CentOS] Help needed with NFS issue

2012-04-17 Thread Ross Walker
On Apr 17, 2012, at 5:40 PM, Steve Thompson wrote: > I have four NFS servers running on Dell hardware (PE2900) under CentOS > 5.7, x86_64. The number of NFS clients is about 170. > > A few days ago, one of the four, with no apparent changes, stopped > responding to NFS requests for two minutes

Re: [CentOS] IPSEC How To?

2012-04-06 Thread Ross Walker
On Apr 6, 2012, at 9:34 AM, Ross Walker wrote: > Here is a how-to on openswan l2tp. > > Seems PSKs are also supported so no PKI is necessary. Oops forgot the link: http://www.jacco2.dds.nl/networking/openswan-l2tp.html ___ CentOS mai

Re: [CentOS] IPSEC How To?

2012-04-06 Thread Ross Walker
On Apr 6, 2012, at 9:20 AM, Ross Walker wrote: > On Apr 5, 2012, at 10:55 AM, Helmut Drodofsky > wrote: > >> Hello, >> >> now I have spent many hours to configure openswan for VPN connections >> without any success. >> >> My goal: >> &g

Re: [CentOS] IPSEC How To?

2012-04-06 Thread Ross Walker
On Apr 5, 2012, at 10:55 AM, Helmut Drodofsky wrote: > Hello, > > now I have spent many hours to configure openswan for VPN connections > without any success. > > My goal: > > VPN Server CentOS 6 with public IPv4 > VPN Client (= road warrier) from private site with NAT router or from > mobil

Re: [CentOS] mismatch in openssh latest rpm available at centos

2012-03-29 Thread Ross Walker
On Mar 29, 2012, at 11:39 AM, Johnny Hughes wrote: > On 03/29/2012 09:56 AM, m.r...@5-cent.us wrote: >> Johnny Hughes wrote: >>> On 03/28/2012 08:05 PM, Vinay Nagrik wrote: The latest rpm in openssh is 5.8, however, the corresponding latest rpm available in centos 5.7 is only open

Re: [CentOS] CentOS Server Backup Options: at runlevel 5? ... w/snapshot

2012-03-17 Thread Ross Walker
On Mar 16, 2012, at 4:29 PM, John R Pierce wrote: > and with LVM, an entire PP block has to be copied, right? those are > generally much larger than file system blocks, 4MB to 16MB, I believe? > thats kind of brutal. Actually the larger the block the less of a load. It moves more data in a

Re: [CentOS] postfix and spam, I am impressed

2012-03-13 Thread Ross Walker
On Mar 13, 2012, at 2:56 PM, Nataraj wrote: > For a small site it runs > very well in a VM. A VM is certainly adequate for testing. Hehe, I run my complete environment in a VM, it isn't the CPU/memory that limits VM deployments it's network/disk. Got enough network and disk spindles and I can

Re: [CentOS] postfix and spam, I am impressed

2012-03-13 Thread Ross Walker
On Mar 13, 2012, at 10:02 AM, m.r...@5-cent.us wrote: > I'm just trying to think of ways around a blacklist... *esp* the way > dnsorb does, where they'll blacklist an entire block that belongs to a > hosting provider, who provides one external delivery address. When I did spamassassin I relied on

Re: [CentOS] debugging RAM issues

2012-03-13 Thread Ross Walker
On Mar 13, 2012, at 12:50 PM, Alan McKay wrote: > Back about 3 months ago I took this system down and removed all the RAM, > and stuck individual chips into it and booted it, testing each chip on its > own. At that time every single one of them worked! But I'm about to try > this again to see

Re: [CentOS] postfix and spam, I am impressed

2012-03-13 Thread Ross Walker
On Mar 12, 2012, at 5:25 PM, m.r...@5-cent.us wrote: > Here's a question: is there any way to inspect an email's headers, and > reject it if the alleged FWDN in the From:" doesn't match the oldest > "Received: "? That would be problematic with dual homed mail gateways that received on internal i

Re: [CentOS] Difference between 'cr' and ' fasttrack'

2012-03-08 Thread Ross Walker
On Mar 8, 2012, at 4:18 PM, Johnny Hughes wrote: > On 03/08/2012 11:56 AM, Ross Walker wrote: >> I see the two distribution points for each release, they seem very alike, >> what is the difference? >> >> -Ross > > CR is something that the CentOS team wi

Re: [CentOS] Cloud on CentOS Server

2012-03-08 Thread Ross Walker
On Mar 8, 2012, at 2:29 PM, John Hinton wrote: > Perhaps the definition of cloud has gone lower and should be called > "fog" now? Totally, it has been taken way out of context and blown completely out of proportion. Cloud, is what is depicted as a cloud on the topology diagram. It is a black

Re: [CentOS] md raid 10

2012-03-08 Thread Ross Walker
On Mar 8, 2012, at 1:12 PM, Lamar Owen wrote: > On Thursday, March 08, 2012 12:37:30 PM Ross Walker wrote: >> On Mar 8, 2012, at 11:06 AM, Lamar Owen wrote: >>> I live in the same sort of world, just on a smaller scale, and my biggest >>> power consumer is

[CentOS] Difference between 'cr' and ' fasttrack'

2012-03-08 Thread Ross Walker
I see the two distribution points for each release, they seem very alike, what is the difference? -Ross ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] md raid 10

2012-03-08 Thread Ross Walker
On Mar 8, 2012, at 11:06 AM, Lamar Owen wrote: > On Thursday, March 08, 2012 10:52:02 AM Les Mikesell wrote: >> Yes, part of the power savings are deceptive - they only kick in when >> the CPUs are idle and your users would be one of the rare cases that >> peg them for long intervals. I think t

Re: [CentOS] md raid 10

2012-03-08 Thread Ross Walker
On Mar 7, 2012, at 7:48 PM, Ljubomir Ljubojevic wrote: > We are talking about *software* /boot partition on RAID1! that can have > any number of member partitions. And the rest of the disk here discussed > is *software* "mdraid RAID10" with 1,2,3,4,... member partitions, not > regular hardware

Re: [CentOS] xfs, inode64, and NFS

2012-03-07 Thread Ross Walker
On Mar 7, 2012, at 1:16 PM, John R Pierce wrote: > On 03/07/12 6:47 AM, Ross Walker wrote: >> These days XFS should always be inode64 enabled, given the size of disks, >> and NFS should have been fixed a long, long time ago. > > yes. problem is, we have clients that are

Re: [CentOS] md raid 10

2012-03-07 Thread Ross Walker
On Mar 7, 2012, at 11:02 AM, Les Mikesell wrote: > On Wed, Mar 7, 2012 at 9:49 AM, William Warren > wrote: >> well ubuntu allows me to boot from MD RAID10...so there's something they >> are doing that allows that to boot. > > That ubuntu version has probably switched to grub2. Good luck > debu

Re: [CentOS] xfs, inode64, and NFS

2012-03-07 Thread Ross Walker
On Mar 7, 2012, at 2:17 AM, John R Pierce wrote: > On 03/06/12 10:40 PM, James A. Peltier wrote: >> I've had to use inode64 on far smaller file systems (15TB) due to inode >> counts (many files) and not file system size. > > > My understanding of it is, the inode number is its physical positio

Re: [CentOS] xfs, inode64, and NFS

2012-03-06 Thread Ross Walker
On Mar 6, 2012, at 6:59 PM, John R Pierce wrote: > On 03/06/12 3:51 PM, Ross Walker wrote: >> Is there a need for inode64? Is it too late to back-out of it, or have you >> pickled the file system already. > > as i undertsand it, you need inode64 on any XFS file system over

Re: [CentOS] xfs, inode64, and NFS

2012-03-06 Thread Ross Walker
On Mar 6, 2012, at 4:36 PM, John R Pierce wrote: > On 03/02/12 10:05 AM, John R Pierce wrote: >> is anyone familiar with this inode64 stuff and NFS in EL6.2 ? > > still having show stopping issues with XFS, inode64, and NFS. the > fsid=uuid option suggested by some googling doesn't seem to wo

Re: [CentOS] CentOS 6.2 software raid 10 with LVM - Need help with degraded drive and only one MBR

2012-03-05 Thread Ross Walker
On Mar 4, 2012, at 8:01 PM, "Luke S. Crawford" wrote: >> Right. I was referring to RAID 1. For a RAID 10, you would have to >> find the proper drive to boot from. This is why I tend to limit myself >> to RAID 1 in software. If I need something more complex than that, I >> get a hardware card

Re: [CentOS] Problems with Microsoft Forefront proxy with yum

2012-02-10 Thread Ross Walker
On Feb 9, 2012, at 10:57 AM, "C. L. Martinez" wrote: > On Thu, Feb 9, 2012 at 4:51 PM, Giles Coochey wrote: >> On 2012-02-09 15:35, C. L. Martinez wrote: >>> Hello all, >>> >>> How can I configure yum to download updates when I need to >>> authenticate to a Microsoft Forefront proxy?? I have t

Re: [CentOS] Centos 5.6 3ware raid 5

2012-02-08 Thread Ross Walker
On Feb 7, 2012, at 3:53 PM, Ken Smith wrote: > Hi, I've seen comments about the poor performance of these cards with > raid 5 configs. I have an old card with 3 x 500G IDE drives connected in > raid 5 and I'm getting around 10mb/s write performance. :-( > > I'm seeing high iowait figures at ti

Re: [CentOS] about major version upgrades

2012-02-07 Thread Ross Walker
On Feb 7, 2012, at 7:58 AM, Johnny Hughes wrote: > The purpose for having enterprise software is so that you can get a > return on your investment and use your code for 7 years (for CentOS > versions before CentOS-4 ... now 10 years in post CentOS-5). But > keeping things for that period of time

Re: [CentOS] distributed storage/home-made cloud recommendations

2012-02-07 Thread Ross Walker
On Feb 5, 2012, at 6:33 PM, John R Pierce wrote: > I just tried a bunch of combinations on a 3 x 11 raid60 configuration > plus 3 global hotspares, and decided that letting the controller (LSI > 9260-8i MegaSAS2) do it was easier all the way around. of course, with > other controllerrs, your

Re: [CentOS] distributed storage/home-made cloud recommendations

2012-02-05 Thread Ross Walker
On Feb 5, 2012, at 5:42 PM, Boris Epstein wrote: > What you are saying seems to make sense actually. I wonder how much a RAID6 > with a few spares would make sense. If we are talking a large number of > disks then RAID 6 + 2 spares means overpaying only for 5 disks. Not a lot > if the total numbe

Re: [CentOS] distributed storage/home-made cloud recommendations

2012-02-05 Thread Ross Walker
On Feb 5, 2012, at 10:32 AM, Phil Schaffner wrote: > Boris Epstein wrote on 02/04/2012 11:57 AM: >> What is RAID0+1? > > Nested RAID. Paraphrasing http://en.wikipedia.org/wiki/RAID : > > For a RAID 0+1, drives are first combined into multiple level 0 RAIDs > that are themselves treated as sin

Re: [CentOS] configure network bridge listing bridged intefaces

2012-02-04 Thread Ross Walker
On Feb 3, 2012, at 11:56 PM, Robert Spangler wrote: > On Friday 03 February 2012 09:10, the following was written: > >> On 02/03/2012 08:07 AM, Mihamina Rakotomandimby wrote: >>> Hi all, >>> >>> Having a 4 NIC server, I want to bridge eth2 and eth3, with a bridge >>> named br0. >>> >>> Searchi

Re: [CentOS] install detecting disk as sdb not sda

2012-02-03 Thread Ross Walker
On Feb 3, 2012, at 5:02 PM, wwp wrote: > Hello Ross, > > > On Fri, 3 Feb 2012 16:01:53 -0500 Ross Walker wrote: > >> On Feb 3, 2012, at 1:34 PM, wwp wrote: >> >>> Hello Jerry, >>> >>> >>> On Fri, 03 Feb 2012 12:24:14 -05

Re: [CentOS] install detecting disk as sdb not sda

2012-02-03 Thread Ross Walker
On Feb 3, 2012, at 1:34 PM, wwp wrote: > Hello Jerry, > > > On Fri, 03 Feb 2012 12:24:14 -0500 Jerry Geis wrote: > >> I am trying to install 6.2 on a machine. >> I am using PXE as I have done so a number of times. >> >> My hard disk is being detected as sdb and not sda. >> My kickstart confi

Re: [CentOS] Configuration Compliance auditing for many CentOS 5.x boxes

2012-02-01 Thread Ross Walker
On Feb 1, 2012, at 2:54 PM, Tom H wrote: > Hi CentOS experts,* > > Short Version* > > I would like to produce a weekly report in HTML for each CentOS 5.x > server we have indicating configuration compliance with some industry > benchmark. I am looking for a tool or tools to implement this, I

Re: [CentOS] weird XFS problem

2012-01-22 Thread Ross Walker
On Jan 22, 2012, at 4:41 PM, Ross Walker wrote: > On Jan 22, 2012, at 10:00 AM, Boris Epstein wrote: > >> Jan 22 09:17:53 nrims-bs kernel: 3w-9xxx: scsi6: AEN: ERROR (0x04:0x0026): >> Drive ECC error reported:port=4, unit=0. >> Jan 22 09:17:53 nrims-bs kernel: 3w-9xxx:

Re: [CentOS] weird XFS problem

2012-01-22 Thread Ross Walker
On Jan 22, 2012, at 10:00 AM, Boris Epstein wrote: > Jan 22 09:17:53 nrims-bs kernel: 3w-9xxx: scsi6: AEN: ERROR (0x04:0x0026): > Drive ECC error reported:port=4, unit=0. > Jan 22 09:17:53 nrims-bs kernel: 3w-9xxx: scsi6: AEN: ERROR (0x04:0x002D): > Source drive error occurred:port=4, unit=0. > J

Re: [CentOS] CentOS and LessFS

2012-01-22 Thread Ross Walker
On Jan 17, 2012, at 4:00 PM, "Hugh E Cruickshank" wrote: > From: Les Mikesell Sent: January 17, 2012 05:56 >> >> Big disks are cheap these days - I wouldn't worry that much about the >> total space that much and you'll still be able to keep a lot online. > > This is true for current hardware ho

Re: [CentOS] LSI/3ware 9750-4i and multipath I/O

2012-01-13 Thread Ross Walker
On Jan 13, 2012, at 6:51 PM, John R Pierce wrote: > On 01/13/12 3:46 PM, Ross Walker wrote: >> You will need to publish these disks as straight through individual disks >> with write-through cache and use software RAID if the controllers can't >> communicate with each

Re: [CentOS] LSI/3ware 9750-4i and multipath I/O

2012-01-13 Thread Ross Walker
On Jan 13, 2012, at 2:37 PM, John R Pierce wrote: > On 01/13/12 6:41 AM, Vahan Yerkanian wrote: >> multipath -ll showed everything OK, with both sdb and sdc (the same 24 x 3tb >> raid6 array) as active and ready. > > > are those controllers aware you're using them for multipathing?RAID >

Re: [CentOS] LSI/3ware 9750-4i and multipath I/O

2012-01-13 Thread Ross Walker
On Friday, January 13, 2012, Vahan Yerkanian wrote: > Hi, > > I was wondering if anyone has successfully configured two lsi/3ware 9750-4i series controllers for multipathing under CentOS 5.7 x86_64? > > I've tried some basic setups with both multibus and failover settings, and had repeatable files

Re: [CentOS] bug submission justified for distribution of obsolete java software?

2012-01-12 Thread Ross Walker
On Jan 12, 2012, at 11:30 AM, Les Mikesell wrote: > You can never count on free future support or additions to anything > and java isn't an exception, but how can anything that works now on > current openjdk (which includes most open source java apps and > libraries) be locked in? Ok, I may be d

Re: [CentOS] bug submission justified for distribution of obsolete java software?

2012-01-12 Thread Ross Walker
On Jan 12, 2012, at 2:13 AM, Les Mikesell wrote: > On Wed, Jan 11, 2012 at 11:32 PM, Ross Walker wrote: >>> >> Corporate greed will always trump idealistic pursuits. > > I'm still pondering how Sun's demise fits into this picture > >> As soon

Re: [CentOS] bug submission justified for distribution of obsolete java software?

2012-01-11 Thread Ross Walker
On Jan 12, 2012, at 12:25 AM, Ross Walker wrote: > On Jan 11, 2012, at 9:45 PM, Les Mikesell wrote: > >> On Wed, Jan 11, 2012 at 5:42 PM, Ross Walker wrote: >>> >>> >>>> But you'd be wrong on all counts. I'd argue the opposite - that y

Re: [CentOS] bug submission justified for distribution of obsolete java software?

2012-01-11 Thread Ross Walker
On Jan 11, 2012, at 9:45 PM, Les Mikesell wrote: > On Wed, Jan 11, 2012 at 5:42 PM, Ross Walker wrote: >> >> >>> But you'd be wrong on all counts. I'd argue the opposite - that you >>> should only be allowed to use languages that work across CPU

Re: [CentOS] Clustering solutions - mail, www, storage.

2012-01-11 Thread Ross Walker
On Jan 10, 2012, at 2:59 PM, Rafał Radecki wrote: > Hi all. > > I am currently working for a hosting provider in a 100+ linux hosts' > environment. We have www, mail HA solutions, as storage we mainly use > NFS at the moment. We are also using DRBD, Heartbeat, Corosync. > > I am now gathering i

Re: [CentOS] bug submission justified for distribution of obsolete java software?

2012-01-11 Thread Ross Walker
On Jan 10, 2012, at 11:15 AM, Les Mikesell wrote: > But you'd be wrong on all counts. I'd argue the opposite - that you > should only be allowed to use languages that work across CPU types and > OS's so as to never be locked into a monopolistic single vendor. You mean like Oracle? -Ross _

Re: [CentOS] an actual hacked machine, in a preserved state

2012-01-06 Thread Ross Walker
On Jan 5, 2012, at 6:34 PM, Johnny Hughes wrote: > On 01/05/2012 02:51 PM, Bennett Haselton wrote: >> On 1/5/2012 6:53 AM, Johnny Hughes wrote: >>> On 01/04/2012 07:47 PM, Bennett Haselton wrote: On 1/4/2012 1:59 PM, Lamar Owen wrote: > [Distilling to the core matter; everything else is

Re: [CentOS] kernel panic/abort during boot

2011-12-23 Thread Ross Walker
On Dec 23, 2011, at 2:47 PM, fred smith wrote: > On Fri, Dec 23, 2011 at 01:02:12PM -0500, fred smith wrote: >> On Thu, Dec 22, 2011 at 05:53:13PM -0600, Johnny Hughes wrote: >>> On 12/22/2011 05:44 PM, fred smith wrote: On Thu, Dec 22, 2011 at 04:56:42PM -0600, Johnny Hughes wrote: >>

Re: [CentOS] 6.x - find interface with link up

2011-12-15 Thread Ross Walker
On Dec 15, 2011, at 3:45 PM, Les Mikesell wrote: > In earlier versions 'mii-tool' would iterate over interfaces and show > which have link up. In 6.x it wants an interface as a parameter. > What is the appropriate way to find which of some number of of > interfaces are connected? Better yet,

Re: [CentOS] Cause for kernel panic

2011-12-14 Thread Ross Walker
On Dec 14, 2011, at 10:49 PM, Nicolas Ross wrote: > Hi ! On an 8-node cluster, one of the node did a kernel panic. > > The only bit of information I have is on a ssh console I had open, which > said : > > > Message from syslogd@node108 at Dec 14 19:00:15 ... > kernel:[ cut here ]

Re: [CentOS] iSCSI best practices

2011-12-10 Thread Ross Walker
On Dec 10, 2011, at 2:36 PM, Alan McKay wrote: >> >> LOL! Cisco. If I told you that that particular device used to be called >> Linksys, would it change your opinion of the device? I've got a Linksys >> ADSL gateway that I'm quite sure couldn't keep up with the Dell. In fact, >> I used to hav

Re: [CentOS] iSCSI best practices

2011-12-10 Thread Ross Walker
On Dec 10, 2011, at 2:05 PM, "James A. Peltier" wrote: > - Original Message - > | On Dec 10, 2011, at 1:49 PM, "James A. Peltier" > | wrote: > | > | > Jumbo frames is really the important thing when it comes to iSCSI. > | > Having 9000 byte packets verses 1500 byte packets will dramatic

Re: [CentOS] iSCSI best practices

2011-12-10 Thread Ross Walker
On Dec 10, 2011, at 1:49 PM, "James A. Peltier" wrote: > Jumbo frames is really the important thing when it comes to iSCSI. Having > 9000 byte packets verses 1500 byte packets will dramatically increase your > performance per interrupt. Most cheaper unmanaged switches cannot do this. I want

Re: [CentOS] iSCSI best practices

2011-12-10 Thread Ross Walker
On Dec 10, 2011, at 9:35 AM, Alan McKay wrote: >> The Dell 6224 or 6248 switches are priced low > > Hmmm, we seem to have different definitions of "priced low" :-) > > http://search.dell.com/results.aspx?s=bsd&c=ca&l=en&cs=cabsdt1&k=PowerConnect+6224&cat=all&x=0&y=0 > > $2000 for the 24 port.

Re: [CentOS] iSCSI best practices

2011-12-09 Thread Ross Walker
On Dec 9, 2011, at 11:27 AM, Alan McKay wrote: > So 2 questions : > - how important is it to have it on its own network? The traffic should definitely be segregated for security reasons and to make sure there is minimal crosstalk. Whether to put on a separate switch or VLAN depends on your cur

Re: [CentOS] ZFS magic (was: Backup Redux)

2011-12-09 Thread Ross Walker
On Dec 9, 2011, at 11:09 AM, Les Mikesell wrote: > On Fri, Dec 9, 2011 at 8:11 AM, Ross Walker wrote: >>>> >>> All I would ask now is that someone comment on ZFS implementation on >>> Linux/CentOS. >> >> Fuse-ZFS still is at the enthusiast level.

Re: [CentOS] ZFS magic (was: Backup Redux)

2011-12-09 Thread Ross Walker
On Dec 9, 2011, at 7:08 AM, Ljubomir Ljubojevic wrote: > Vreme: 12/09/2011 03:02 AM, Mikael Fridh piše: >> On Thu, Dec 8, 2011 at 9:24 PM, Ljubomir Ljubojevic wrote: >>> Vreme: 12/08/2011 08:31 PM, Alan McKay piše: >> [...] >> wondering if anyone has some recommended reading that is concis

Re: [CentOS] megaraid/PERC

2011-11-30 Thread Ross Walker
On Nov 30, 2011, at 1:39 PM, m.r...@5-cent.us wrote: > Ross Walker wrote: >> On Nov 29, 2011, at 3:35 PM, m.r...@5-cent.us wrote: >> >>> I've got two drives from a now-dead server, they were RAIDed, a mirror, >>> I'd assume. I need to see if there'

Re: [CentOS] megaraid/PERC

2011-11-30 Thread Ross Walker
On Nov 29, 2011, at 3:35 PM, m.r...@5-cent.us wrote: > I've got two drives from a now-dead server, they were RAIDed, a mirror, > I'd assume. I need to see if there's anything on them I need to transfer > to the replacement, so I just shoved them into another Dell server, with a > PERC 5 controller

Re: [CentOS] restricting access to an NIS netgroup

2011-11-09 Thread Ross Walker
On Nov 9, 2011, at 8:53 AM, Mike VanHorn wrote: > >> You'll probably need to add a pam_access.so reference to the stock >> /etc/pam.d/password-auth. Make the first "account" line >> >> account required pam_access.so > > My CentOS system doesn't have a stock password-auth file. I tried creat

Re: [CentOS] coordinated NIS and LDAP servers

2011-11-09 Thread Ross Walker
On Nov 4, 2011, at 2:48 PM, Boris Epstein wrote: > Hello listmates, > We are currently running NIS for authentication but would like to > migrate to LDAP. Thing is, though, that some of the machines that > authenticate via NIS are so old I'd rather not even touch them. > Hence the question - is t

Re: [CentOS] Centos 6.0 , DRBD

2011-10-12 Thread Ross Walker
On Oct 11, 2011, at 4:02 PM, Ljubomir Ljubojevic wrote: > Bear in mind that RHEL kernel is not stock kernel, > there are number of back-ported patches in it. It is safer to use a > package with applied RHEL specific patches (if necessary) done by people > working with RHEL kernel regularly. S

Re: [CentOS] Hard I/O lockup with EL6

2011-09-26 Thread Ross Walker
On Sep 26, 2011, at 3:11 PM, Benjamin Smith wrote: > I'm trying to figure out why 2 machines have a "hard I/O lock" on the HDD > when > running EL6. > > I have 4 identical machines, all were stable with EL5. 2 work great with EL6, > 2 do not. I've checked momtherboard BIOS versions and setti

Re: [CentOS] data recovery

2011-09-26 Thread Ross Walker
On Sep 26, 2011, at 11:18 AM, Paras pradhan wrote: > Hi Lamar, > > On Mon, Sep 26, 2011 at 5:53 AM, Lamar Owen wrote: >> On Friday, September 23, 2011 04:29:39 PM Paras pradhan wrote: >>> This is a SAN drive mounted. I have checked with my storage >>> administrator if this has been re mapped or

Re: [CentOS] CentOS-6 by PXEboot?

2011-09-24 Thread Ross Walker
On Sep 23, 2011, at 4:45 PM, Timothy Murphy wrote: > m.r...@5-cent.us wrote: > >>> Has anyone succeeded in installing CentOS-6.0 by PXEboot. >>> If so, would you say how you did it, please. >>> I tried (on an HP MicroServer), >>> but gave up in the end and used a USB stick installation instead.

Re: [CentOS] Finding i/o bottleneck

2011-09-23 Thread Ross Walker
On Sep 21, 2011, at 9:33 AM, "Nicolas Ross" wrote: >> Hi Nicolas, >> >> While this doesn't exactly answer your question, I was wondering what >> scheduler you were using on your GFS2 (Note: I have not used this file >> system before) block. You can find this by issuing 'cat /sys/block/> block de

Re: [CentOS] How to update CentOS 5.4 to 5.6?

2011-09-23 Thread Ross Walker
On Sep 22, 2011, at 10:32 AM, fred smith wrote: > On Thu, Sep 22, 2011 at 03:37:38AM -0700, John R Pierce wrote: >> On 09/22/11 3:08 AM, Sebastian Schubert wrote: >>> Am 22.09.11 11:59, schrieb John R Pierce: > On 09/22/11 2:13 AM, John Doe wrote: >>> If you want to take the risk anyway,

Re: [CentOS] This doesn't make sense

2011-09-21 Thread Ross Walker
On Sep 21, 2011, at 12:03 AM, Craig White wrote: > On Tue, 2011-09-20 at 09:18 -0400, Ross Walker wrote: >> On Sep 19, 2011, at 7:12 PM, Craig White wrote: >> >>> On Mon, 2011-09-19 at 18:41 -0400, Ross Walker wrote: >>>> On Sep 17, 2011, at 7:49 PM, Cra

Re: [CentOS] This doesn't make sense

2011-09-20 Thread Ross Walker
On Sep 19, 2011, at 7:12 PM, Craig White wrote: > On Mon, 2011-09-19 at 18:41 -0400, Ross Walker wrote: >> On Sep 17, 2011, at 7:49 PM, Craig White wrote: >> >>> At some point, security updates for 6.1 will be released and then it >>> becomes a matter of de

Re: [CentOS] This doesn't make sense

2011-09-19 Thread Ross Walker
On Sep 17, 2011, at 7:49 PM, Craig White wrote: > At some point, security updates for 6.1 will be released and then it > becomes a matter of deciding to install it based on the evidence that > security updates have been non-existent all this time. I'm sorry I don't follow you here? I'm fairly c

Re: [CentOS] Emulate RHEV On CentOS - A note on Xen v. KVM

2011-09-08 Thread Ross Walker
On Sep 8, 2011, at 9:16 PM, Always Learning wrote: > > On Thu, 2011-09-08 at 20:00 -0400, Ross Walker wrote: >> On Sep 7, 2011, at 9:57 AM, Always Learning wrote: >> >>> Perhaps a silly question, but why maintain patches ? Why not compile a >>> new

Re: [CentOS] Emulate RHEV On CentOS - A note on Xen v. KVM

2011-09-08 Thread Ross Walker
On Sep 7, 2011, at 9:57 AM, Always Learning wrote: > Perhaps a silly question, but why maintain patches ? Why not compile a > new version and discard all the patches ? Patches are a messy manner to > maintain programmes. RHEL needs to keep the same ABI (application binary interface) for both ker

Re: [CentOS] CentOS 6 + XEN problem

2011-09-02 Thread Ross Walker
On Sep 2, 2011, at 9:49 AM, R P Herrold wrote: > On Fri, 2 Sep 2011, Rudi Ahlers wrote: > >> Does anyone know what version of XEN works fine with CentOS 6? >> >> I installed XEN on a CentOS 6 server, as per these instructions: >> http://www.crc.id.au/xen-on-rhel6-scientific-linux-6-centos-6-how

Re: [CentOS] Off topic list for centos please?

2011-08-25 Thread Ross Walker
On Aug 25, 2011, at 6:53 AM, Karanbir Singh wrote: > On 08/25/2011 11:00 AM, Keith Roberts wrote: >> Could we have a centos-offtopic list please, so anything >> that would be considered OT can be posted there? > > an offtopic list would need to come with a lot more moderation here then. How abo

Re: [CentOS] Problem getting eth0 up

2011-08-18 Thread Ross Walker
On Aug 18, 2011, at 9:16 PM, William Warren wrote: > > On 8/17/2011 9:58 AM, Lisandro Grullon wrote: >> >> Alfred, >> I would not delete network manager, it would be better if you stop it >> "service NetworkManager stop" and disable from booting "chkconfig >> NetworkManager off"it can tu

Re: [CentOS] which firewall to automatically block bandwidth abusers?

2011-08-18 Thread Ross Walker
On Aug 17, 2011, at 3:50 PM, Rudi Ahlers wrote: > Hi, > > I'm looking for a firewall (preferably on Linux / UNIX) that could > automatically block bandwidth abusers as soon as a connection goes > over a certain speed, or limit - i.e. either more than say 3Mb/s or > 10GB in a giving period (like

Re: [CentOS] stupid question about kickstart file

2011-08-18 Thread Ross Walker
On Aug 18, 2011, at 12:25 PM, Eero Volotinen wrote: > Hi, > > Is is possible to use kickstart file to install rhel from dvd drive? > Mainly idea is to clone one anaconda.ks file to about twenty > machines.? > examples? ftp/http/dhcp is not possible due to network limitations. Create a USB insta

Re: [CentOS] cr repository when running your own mirror

2011-08-18 Thread Ross Walker
On Aug 17, 2011, at 12:21 PM, Karanbir Singh wrote: > On 08/17/2011 09:31 AM, Kai Schaetzl wrote: >>> You wont need to remove anything. As >>> long as you do not edit that file it will be managed by >>> centos-release-5-7 and centos-release-cr-5-7 etc. >> >> Well, surely those people using their

Re: [CentOS] Problem getting eth0 up

2011-08-18 Thread Ross Walker
On Aug 17, 2011, at 10:58 AM, Alfred von Campe wrote: > On Aug 17, 2011, at 9:58, Lisandro Grullon wrote: > >> In a second note about the multi-NIC, i would focus in the actual card that >> have the connections > > That's my point, I only have one NIC (it's a desktop system) yet NM created >

Re: [CentOS] Does anyone try Xen in Kernel 3.0?

2011-08-08 Thread Ross Walker
On Aug 8, 2011, at 2:37 PM, Pasi Kärkkäinen wrote: > On Mon, Aug 08, 2011 at 07:07:57AM +0700, "LHT. Qu???c" wrote: >> On 08/08/2011 12:01 AM, Pasi Kärkkäinen wrote: >>> On Fri, Aug 05, 2011 at 03:05:42PM +0700, LHT. Qu???c wrote: Does anyone try Xen in Kernel 3.0? I use "$ git clone gi

Re: [CentOS] yum segfault - rpmforge problem?

2011-07-28 Thread Ross Walker
On Jul 26, 2011, at 2:03 PM, Keith Roberts wrote: > On Tue, 26 Jul 2011, Always Learning wrote: > > *snip* > >> Programmes that abort because of bad data are defective programmes and >> need rectification. No good programmer ever accepts that other people's >> data will always be valid. > > +1

Re: [CentOS] Yum Issues ; Segmentation fault

2011-07-28 Thread Ross Walker
On Jul 26, 2011, at 2:06 PM, "Frank M. Ramaekers" wrote: > Mine just segfault on the next one (I was having problems with dag): > > # yum --disablerepo=dag check-update > Loaded plugins: fastestmirror, priorities > Loading mirror speeds from cached hostfile > * addons: mirrors.tummy.com > * base

Re: [CentOS] nouveau driver one centos 6

2011-07-22 Thread Ross Walker
On Jul 21, 2011, at 8:08 AM, Jerry Geis wrote: > I "wish" to not load the or even install the nouveau driver by default. > I want to use the NVIDIA binary driver. > > I have tried a number of things: > > 1) in my kickstart package section add the line: > -xorg-x11-drv-nouveau > > This did not

Re: [CentOS] really large file systems with centos

2011-07-15 Thread Ross Walker
On Jul 14, 2011, at 8:02 PM, John R Pierce wrote: > On 07/14/11 7:39 AM, przemol...@poczta.fm wrote: >> What is the reason to avoid ZFS ? IMHO for such systems ZFS is the best. > > Oracle, mostly. How about Nexenta then? Their product is solid, their prices reasonable and I think their in good

Re: [CentOS] autofs problem on CentOS6

2011-07-15 Thread Ross Walker
On Jul 15, 2011, at 7:02 AM, John Hodrien wrote: > I'm trying to use autofs with Active Directory. > > This works: > > autofs_ldap_auth.conf: > > usetls="yes" >tlsrequired="yes" >authrequired="yes" >clientprinc="nfs/myhost@MYDOMAIN" > /> > > /etc/sysconfig/autofs: > > LDAP_UR

Re: [CentOS] Quota (and disk usage) is incorrectly reported on nfs client mounting XFS filesystem

2011-07-02 Thread Ross Walker
On Jun 28, 2011, at 4:43 PM, Julie Ashworth wrote: > - > Filesystem blocks quota > /dev/mapper/fs 6635021816* 4294967300 > > Filesystem blocks quota > server:/fs 2340054520* 4 >

Re: [CentOS] mirroring with lftp

2011-06-27 Thread Ross Walker
On Jun 27, 2011, at 6:26 PM, John R Pierce wrote: > i've maintained a local centos repository at work using rsync, but it > seems the corp honchos have decided to block rsync at our firewall, plus > its never been 100% reliable, I'd get aborts on protocol errors > sometimes several times befor

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