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SNMP Log entries
by Enyo 29 Nov '07

29 Nov '07

Hi, Does anyone know how to prevent snmpd from writing the below into /var/log/messages/ Nov 29 19:35:02 serenity snmpd[2287]: Received SNMP packet(s) from UDP: [127.0.0.1]:34309 Nov 29 19:35:02 serenity snmpd[2287]: Connection from UDP: [127.0.0.1]:34309 Nov 29 19:35:02 serenity last message repeated 7 times Nov 29 19:40:02 serenity snmpd[2287]: Connection from UDP: [127.0.0.1]:34313 Nov 29 19:40:02 serenity snmpd[2287]: Received SNMP packet(s) from UDP: [127.0.0.1]:34313 Nov 29 19:40:02 serenity snmpd[2287]: Connection from UDP: [127.0.0.1]:34313 Nov 29 19:40:02 serenity last message repeated 7 times Nov 29 19:45:02 serenity snmpd[2287]: Connection from UDP: [127.0.0.1]:34319 Nov 29 19:45:02 serenity snmpd[2287]: Received SNMP packet(s) from UDP: [127.0.0.1]:34319 Nov 29 19:45:02 serenity snmpd[2287]: Connection from UDP: [127.0.0.1]:34319 We query the server to gain load stats etc every 5 mins and this is causing /var/log/messages to fill up pretty quickly/ I do not care about seeing normal connection info from snmpd, but retaining logging for other info such as malformed packets, bad community strings etc is of interest. Thanks

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RAID, LVM, extra disks...
by Ugo Bellavance 29 Nov '07

29 Nov '07

Hi, This is my current config: /dev/md0 -> 200 MB -> sda1 + sdd1 -> /boot /dev/md1 -> 36 GB -> sda2 + sdd2 -> form VolGroup00 with md2 /dev/md2 -> 18 GB -> sdb1 + sde1 -> form VolGroup00 with md1 sda,sdd -> 36 GB 10k SCSI HDDs sdb,sde -> 18 GB 10k SCSI HDDs I have added 2 36 GB 10K SCSI drives in it, they are detected as sdc and sdf. What should I do if I want to optimize disk space? The simplest solution would be to create /dev/md3 out of sdc1 and sdf1, and add it to the VG, and increase the size of my /vz logical volume. However, if I could convert that to a RAID5 (it could be possible to re-install, but I would rather not), I could have 6 drives in RAID5, so I'd have 5x36 GB (180) of space available total, instead of 3*36 (108). Also, please note that this is a Dual PIII 1.2 Tualatin. I'm runing OpenVZ with virtual machines that are not really CPU expensive, but I would not like to see my processors spending most of their time computing XORs for the RAID5. Any suggestions/tips welcome. Regards, Ugo

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32-bit xen pv domU on 64-bit dom0?
by Amos Shapira 29 Nov '07

29 Nov '07

Hello, I'm hitting a problem with heartbeat which might be related to the use of x86_64. My test system is CentOS 5 Xen DomU x86_64 under CentOS 5 Dom0. Can I run i386 CentOS 5 DomU under x86_64 Dom0? Thanks, --Amos

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RE: [CentOS] Re: Mail Server Install
by James D. Parra 29 Nov '07

29 Nov '07

-----Original Message----- From: Scott Silva [mailto:ssilva@sgvwater.com] Sent: Wednesday, November 28, 2007 10:37 AM To: centos(a)centos.org Subject: [CentOS] Re: Mail Server Install on 11/28/2007 10:24 AM Alain Spineux spake the following: > On Nov 28, 2007 2:54 AM, Jun Salen <nokijun(a)yahoo.com> wrote: >> Hi Friends, >> >> I am planning to upgrade my mail server from CentOS4.5 to CentOS5. By this, I also planned to replace my postfix mail server with Scalix although the community edition limit me to just 25 premium user, I think it is suffice for us with the remaining user as standard user (with approx. <> 100 users total). Is there a catch on using Scalix based on your experience. I see that Horde is available from Dag's repository, do you think it is better for me to use that instead? Is there anyone using it that may share their gotchas and good points from their experience for me to prepare and be ready. Thank you in advance. > > You could take a look at kolab. > Their is no native binary for package for centos, but the openpkg > packaging work well on centos-5. > > All user are premium user on kolab and are not limited :-) > Except Outlook users, which must pay to play through the toltec connector. ~~~~~ My personal experience with Scalix is pretty bad. Administering it is cumbersome and trying to find a user's mailbox is problematic, not to mention other issues. Perhaps your experience would be better. ~James

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Deleting files from dump?
by Scott Ehrlich 29 Nov '07

29 Nov '07

Is it possible to delete a file from dump? I saved it in one dump archive, and want to save space by deleting it from the others. Thanks. Scott

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lvresize --resizefs
by Ugo Bellavance 29 Nov '07

29 Nov '07

Hi, There is a difference between the help of lvresize and its man page. In the manpage, there is nothing about the -r or --resizefs function. Centos4. [root@serv01 ~]# lvresize Please specify either size or extents (not both) lvresize: Resize a logical volume lvresize [-A|--autobackup y|n] [--alloc AllocationPolicy] [-d|--debug] [-h|--help] [-i|--stripes Stripes [-I|--stripesize StripeSize]] {-l|--extents [+|-]LogicalExtentsNumber[%{VG|LV|FREE}] | -L|--size [+|-]LogicalVolumeSize[kKmMgGtTpPeE]} [-n|--nofsck] [-r|--resizefs] [-t|--test] [--type VolumeType] [-v|--verbose] [--version] LogicalVolume[Path] [ PhysicalVolumePath... ]

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Re: [CentOS] Announcing the CentOS on Laptops initiative
by David G. Miller 29 Nov '07

29 Nov '07

"Bart Schaefer" <barton.schaefer(a)gmail.com> wrote: > On Nov 28, 2007 7:23 AM, David G. Miller <dave(a)davenjudy.org> wrote: >> > Now everything (sort of) "just works (TM)". I say "sort >> > of" because I'm still running ndiswrapper since every time I've tried >> > the bcm43xx kernel module it hasn't worked with my WAP. >> > > I've had a similar experience with my HP. Did you manage to get > NetworkManager and ndiswrapper to co-operate? I had to disable > NetworkManager, but it'd be nice to use the profiles rather than > reconfigure the network when changing access points. I had it working for a while but it kept getting in the way when I was trying to get the bcm43xx module working. I went back to my old system of just having eth0 for the wired connection and eth1 for wireless and user controllable. Other than my home network, I don't have any other wireless networks that I connect to on a regular basis so this approach lets me manually control what happens when I'm trying to connect to some oddball network that I've never seen before and probably won't see again. One thing I remember about getting NetworkManager and the piece that handles keys (not gnome-keyring; don't remember the name right now and the laptop is off) was to tell that piece to use the generic wireless kernel API instead of the ndiswrapper control interface. Seems weird but it worked. If you need more information, I can fire up the laptop at some point. Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

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reasons for using CentOS in business environments
by Rogelio 29 Nov '07

29 Nov '07

My apologies if this question has been previously answered, but could anyone here provide me with resources that I might use to help build a case for exclusively using CentOS in an enterprise environment? (Approximately 200 servers) Long story short, I've used a little of everything out there (Gentoo/Debian/*BSD/Slackware) and have a fairly good overall strategy of how they all work (all of them have lived on my laptop at one time or another over the last 10 years or so), but I'm now looking for solid business reasons that I can present to the CxO types of a company to show them that CentOS is probably where they'd like to look. Reasons thus far I've come up with include: --free *and* "fully" (at least, in my experience) compatible with RHEL --fairly stable (I don't have problems unless I start mixing repos) --yum packages (almost as cool as Debian! Ok, I'm biased...or maybe I don't know how to properly use yum?) Any other suggestions / tips I might add to my list would be greatly appreciated!

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cisco vpn client on linux
by Jerry Geis 29 Nov '07

29 Nov '07

Is there a cisco vpn client for linux centso 5 AMD 64 bit? Using google it talks about cisco vpn client but everyplace to download is blocked. I then found a vpnc reference but did not find a 64 bit version. yum install vpnc did nothing.... What is my next step? Jerry

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CentOS-announce Digest, Vol 33, Issue 14
by centos-announce-request＠centos.org 29 Nov '07

29 Nov '07

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2007:1084 Critical CentOS 3 ia64 seamonkey - security update (Pasi Pirhonen) ---------------------------------------------------------------------- Message: 1 Date: Wed, 28 Nov 2007 21:08:58 +0200 From: Pasi Pirhonen <upi(a)centos.fi> Subject: [CentOS-announce] CESA-2007:1084 Critical CentOS 3 ia64 seamonkey - security update To: centos-announce(a)centos.org Message-ID: <20071128190858.GF18540(a)centos.fi> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory 2007:1084 https://rhn.redhat.com/errata/RHSA-2007-1084.html The following updated files have been uploaded and are currently syncing to the mirrors: ia64: updates/ia64/RPMS/seamonkey-1.0.9-0.7.el3.centos3.ia64.rpm updates/ia64/RPMS/seamonkey-chat-1.0.9-0.7.el3.centos3.ia64.rpm updates/ia64/RPMS/seamonkey-devel-1.0.9-0.7.el3.centos3.ia64.rpm updates/ia64/RPMS/seamonkey-dom-inspector-1.0.9-0.7.el3.centos3.ia64.rpm updates/ia64/RPMS/seamonkey-js-debugger-1.0.9-0.7.el3.centos3.ia64.rpm updates/ia64/RPMS/seamonkey-mail-1.0.9-0.7.el3.centos3.ia64.rpm updates/ia64/RPMS/seamonkey-nspr-1.0.9-0.7.el3.centos3.ia64.rpm updates/ia64/RPMS/seamonkey-nspr-devel-1.0.9-0.7.el3.centos3.ia64.rpm updates/ia64/RPMS/seamonkey-nss-1.0.9-0.7.el3.centos3.ia64.rpm updates/ia64/RPMS/seamonkey-nss-devel-1.0.9-0.7.el3.centos3.ia64.rpm -- Pasi Pirhonen - upi(a)iki.fi - http://pasi.pirhonen.eu/ Top-postings silently ignored

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