Discuss December 2009

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295 participants
272 discussions

LVM, usb drives, Active Directory
by Scott Ehrlich 16 Dec '09

16 Dec '09

I have a client with a handful of USB drives connected to a CentOS box. I am charged with binding the USB drives together into a single LVM for a cheap storage data pool (10 x 1 TB usb drives = 10 TB cheap storage in a single mount point). The next fun piece is how to incorporate that storage space into an existing Active Directory structure to apply AD acls for limited access. I'd rather not use Samba, as that is its own infrastructure and maintains its own credentials database. What are my best options? Thanks. Scott

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sshfs & CentOS 5
by Rudi Ahlers 16 Dec '09

16 Dec '09

Has anyone installed sshfs on CentOS 5 and used it sucessfully? -- Kind Regards Rudi Ahlers CEO, SoftDux Hosting Web: http://www.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

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CentOS-announce Digest, Vol 58, Issue 3
by centos-announce-request＠centos.org 16 Dec '09

16 Dec '09

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-2009:1648 Moderate CentOS 4 i386 ntp - security update (take 2) (Tru Huynh) 2. CESA-2009:1648 Moderate CentOS 4 x86_64 ntp - security update (take 2) (Tru Huynh) ---------------------------------------------------------------------- Message: 1 Date: Tue, 15 Dec 2009 21:02:55 +0100 From: Tru Huynh <tru(a)centos.org> Subject: [CentOS-announce] CESA-2009:1648 Moderate CentOS 4 i386 ntp - security update (take 2) To: centos-announce(a)centos.org Message-ID: <20091215200255.GA30743(a)sillage.bis.pasteur.fr> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory CESA-2009:1648 re-release see http://bugs.centos.org/view.php?id=4065 for more details ntp security update for CentOS 4 i386: https://rhn.redhat.com/errata/RHSA-2009-1648.html The following updated file has been uploaded and is currently syncing to the mirrors: i386: updates/i386/RPMS/ntp-4.2.0.a.20040617-8.el4_8.2.centos.i386.rpm source: updates/SRPMS/ntp-4.2.0.a.20040617-8.el4_8.2.centos.src.rpm You may update your CentOS-4 i386 installations by running the command: yum update ntp Tru -- Tru Huynh (mirrors, CentOS-3 i386/x86_64 Package Maintenance) http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B

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Canon Printer Woe
by Colin Coles 16 Dec '09

16 Dec '09

Hi, Has anyone had any success using a Canon LBP5300 with CentOS or any other RH type os for that matter, using the rpms and intructions downloaded from the Canon website? I have it working on XP and OS X both via USB and network but am having no success with either on CentOS 5.4 . Print jobs seem to be processed correctly by CUPS but the printer doesn't respond at all and the jobs show up as completed in the CUPS job list. I do not know how to test the ccpd daemon but it seems to be running. Any pointers greatly appreciated. Cheers, Colin.

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bnx2 losing connectivity
by nate 16 Dec '09

16 Dec '09

Hoping someone else has seen this before. I have a few dozen Dell R610 systems with CentOS 5.2 that are using kernels from 5.3 and 5.4 (2.6.18-128.1.10.el5 & 2.6.18-164.6.1.el5), that at random lose layer 2 network connectivity either partially or totally. Running tcpdump on the interface reveals only ARP broadcasts, no responses. Switch reports no packets being received on the interface. Systems can run for days/weeks or even months without an issue then drop off the network. At first I thought it was the Dell switches which we had lots of problems with but it has happened on two other brands of switches as well(Cisco and Extreme), so I no longer believe it's the switch but rather the systems. The workaround is to restart the network on the system. I have even configured the bonding driver to do ARP requests and fail over to the backup link in the event that fails but wasn't successful there either as both links can go down, and/or the system can go into "degraded" state where it can reach some systems but not others. I have ESXi systems running on the same hardware and to-date have not seen any of them drop off the same way. System can be under high traffic load at the time or completely idle, it doesn't seem to make a difference. No log entries indicating what might be going on. I have a case open with Dell but am not expecting a whole lot from them, maybe I'll get lucky though. They asked me to upgrade the NIC firmware which I did on a batch of systems to no avail(the release notes for the firmware said nothing about any fixes that sounded like my issue). Driver versions: ESXi (vSphere): Broadcom NetXtreme II Gigabit Ethernet Driver bnx2 v1.6.9 (December 8, 2007) Most linux systems(5.3 kernel): Broadcom NetXtreme II Gigabit Ethernet Driver bnx2 v1.7.9-1 (July 18, 2008) Some linux systems(5.4 kernel): Broadcom NetXtreme II Gigabit Ethernet Driver bnx2 v1.9.3 (March 17, 2009) Happens across at least a dozen systems spread over 4 data centers. Never seen this sort of behavior before in the hundreds and hundreds of systems I've run. These systems are all new, the R610 hardware was released around May 2009, and we've been having issues since day 1, but only recently have been able to rule the switches out as the cause. The latest driver on Broadcom's site is 1.9.20b which seems odd since CentOS 5.4 seems to come with 1.9.3(the date on the Broadcom site is more recent than the date on the linux kernel driver in 5.4) Most of the fixes in the recent driver versions seem to focus around iSCSI, which I'm not using. lspci says: 02:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit Ethernet (rev 20) Subsystem: Dell Unknown device 0236 Flags: bus master, fast devsel, latency 0, IRQ 114 Memory at dc000000 (64-bit, non-prefetchable) [size=32M] Capabilities: [48] Power Management version 3 Capabilities: [50] Vital Product Data Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/4 Enable- Capabilities: [a0] MSI-X: Enable- Mask- TabSize=9 Capabilities: [ac] Express Endpoint IRQ 0 Capabilities: [100] Device Serial Number c9-dc-93-fe-ff-9b-21-00 Capabilities: [110] Advanced Error Reporting Capabilities: [150] Power Budgeting Capabilities: [160] Virtual Channel I suppose I could go build the latest driver from their site and see how it goes.. thanks nate

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Old hd, new machine
by Jussi Hirvi 16 Dec '09

16 Dec '09

What should I do to make an existing CentOS (5.4) disc boot up on a new computer? I just made on CentOS 5.3 installation on that machine, so I know the hardware is compatible. Would it be enough to boot with a DVD in rescue mode, or boot with another hd, and install grub? - Jussi -- Jussi Hirvi * Green Spot Topeliuksenkatu 15 C * 00250 Helsinki * Finland Tel. +358 9 493 981 * Mobile +358 40 771 2098 (only sms) jussi.hirvi(a)greenspot.fi * http://www.greenspot.fi

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Is ext4 safe for a production server?
by Miguel Medalha 16 Dec '09

16 Dec '09

I am about to install a new server running CentOS 5.4. The server will contain pretty critical data that we can't afford to corrupt. I would like to benefit from the extra speed and features of a ext4 filesystem but I don't have any experience with it. Is there some member of the list who can enlighten me on whether ext4 is mature enough to be used on a production server without too much risk? Thank you!

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sox rpm for el5?
by Johnny Tan 15 Dec '09

15 Dec '09

I believe I used to pull sox for el5 from dag's site, but it doesn't appear to be there anymore. Nor on rpmforge, atrpms, epel. Does any (trusted/reliable) repo out there have sox built for el5? I started a rebuild of fedora-12 version, but it's a pretty major dependency hell. johnny

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libvirt 0.7.4 for Centos 5.4
by Albert 15 Dec '09

15 Dec '09

Hi, It's exist any repo where I find a newer libvirt-0.7.4 for Centos 5.4_x86_64? For@ll

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Define an alias with an embeded awk command
by Majian 15 Dec '09

15 Dec '09

Hi ,all : I'm trying to define an alias with an embeded awk command: alias checketh0 `ifconfig eth0 |grep 'inet addr:' |awk '{prinrt $2}' |cut -c 6- ` After I edit it in the .cshrc file and run "source .cshrc" , I run the "checketh0" command in the terminal , the screen displays the "192.168.7.24: Command not found " Why does is it ?Any help will be highly appreciated. note: I'm using csh shell. Thanks for you help.

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Discuss December 2009