Discuss March 2009

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Re: [CentOS] Clonezilla SE with CentOS5
by Les Mikesell 09 Mar '09

09 Mar '09

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Re: [CentOS] Clonezilla SE with CentOS5
by Thomas Johansson 09 Mar '09

09 Mar '09

Sorin Srbu wrote: > Hi all, > > I'm looking for a cloning solution for our Windows/Linux/*nix computer park > and ran into Clonezilla. Apparantely the DRBL and other documentation > mentions CentOS as a suitable base for it. > > Does anybody on this list use this solution and can say something about it > in the running-Clonezilla-with-CentOS-context, be it recommendations, > gotchas', warnings or whatever? > Hi We have a standalone network cloning laptops using clonezilla. The person using it says it does what it is supposed to. The install was pretty much by the instructions on the webpage. The computer we use have an extra NIC for a private clone network. We also installed an extra HDD 500GB for clone image storage. What i did was pretty much; 1. Configure nic on eth1 to 192.168.100.1 2. Add packages dkms dkms-fuse dkms-ntfs3g dkms-ntfs fuse-ntfs-3g-devel fuse-ntfs-3g * /yum install dkms dkms-fuse dkms-ntfs3g dkms-ntfs fuse-ntfs-3g-devel fuse-ntfs-3g/ 3. /Modify ///etc/sysconfig/iptables/ according to Clonezilla server firewall <https://sysadm.isy.liu.se/wiki/pmwiki.php/Main/ClonezillaFirewall> 4. Install Clonezilla following Clonezilla server install <http://drbl.sourceforge.net/one4all/> 5. Configure the server according to the webpage Regards Thomas

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Nfs4 with kerberos freezing system
by Olaf Mueller 09 Mar '09

09 Mar '09

Hello, I have a CentOS 5.2 server that exports /home on the local network for 2 users by secure nfs4 with kerberos krb5p. The clients are a notebook and a desktop pc. The following error is always reproducible on all clients. If running the clients on high load, that means for example 5 firefox windows open and connected with www pages from the internet, installing the new qt development environmet on the nfs4 share from the 297 mb big qt-sdk-linux-x86-opensource-2009.01.bin file and copy a 649 mb iso image to the nfs4 share, the client is freenzing and a reboot is necessary. If running the clients on low load, than the system is stable for hours. In my opinion this is an error by an CentOS nfs package, cause this problem is reproducible with different kernels, different desktop environments and different clients. I don't think the error is caused by the server hardware, cause if running the same nfs setting with nfs version 3 and disabling nfs secure, the system is stable. I have test this with - latest CentOS 5.2 kernel and testing redhat kernel 2.6.18-133.el5 - kde and gnome - different clients and hardware Is anybody here successfully using nfs4/krb5p with CentOS 5.2? regards Olaf

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hplip problems - configure: error: "cannot find libjpeg support"
by Anne Wilson 09 Mar '09

09 Mar '09

I'm trying to get hplip-2.7.12 installed, and I'm reasonably sure that I had it installed on this box before my problems last month. Anyway, it will not build at the moment. It stops the Configure with "configure: error: "cannot find libjpeg support". However, Package libjpeg - 6b-37.i386 is already installed. Similarly, attempting to install hplip-3.9.2 stops with warning: Missing REQUIRED dependency: libusb but Package libusb - 0.1.12-5.1.i386 is already installed. Version 2.7.12 is the earliest version to support my printer. I'm fairly sure I had it installed on this box before my problems last month, and I'm fairly sure that it also was installed on FC6 some time back. Either of these versions would be fine. Any ideas? Anne

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Clonezilla SE with CentOS5
by Sorin Srbu 09 Mar '09

09 Mar '09

Hi all, I'm looking for a cloning solution for our Windows/Linux/*nix computer park and ran into Clonezilla. Apparantely the DRBL and other documentation mentions CentOS as a suitable base for it. Does anybody on this list use this solution and can say something about it in the running-Clonezilla-with-CentOS-context, be it recommendations, gotchas', warnings or whatever? Thanks. -- BW, Sorin ----------------------------------------------------------- # Sorin Srbu [Sysadmin, Systems Engineer] # Dept of Medicinal Chemistry, Phone: +46 (0)18-4714482 >3 signals> GSM # Div of Org Pharm Chem, Mobile: +46 (0)701-718023 # Box 574, Uppsala University, Fax: +46 (0)18-4714482 # SE-751 23 Uppsala, Sweden Visit: BMC, Husargatan 3, D5:512b # Web: http://www.orgfarm.uu.se ----------------------------------------------------------- # () ASCII ribbon campaign - Against html E-mail # /\ # # MotD follows: # CentOS: The OS Maker!

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LDAP proxy
by Test 09 Mar '09

09 Mar '09

List, I have a challenge with some LDAP servers: I am in the process of converting from physical LDBM backends to virtualized BDB backends. Problem is that there are a lot of clients connecting to this ldap instance (with updates), so i do not want to inform them that our ldap server is offline for a maintenance window... I would like to have a solution which does some form of caching until the new instances are online and then flush the updates to the new instance.. Does anyone have a clue on how to do this, or a better solution to my problem ?

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whither mplayerplug-in?
by Frank Cox 09 Mar '09

09 Mar '09

I have rpmfusion set up, but yum tells me that mplayerplug-in is not available. Has it been replaced by something else? -- MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com

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Re: [CentOS] Creating an alternitive install CD for CentOS 5.2 (w/patched mkinitrd)
by Jason Pyeron 09 Mar '09

09 Mar '09

> -----Original Message----- > From: centos-bounces(a)centos.org > [mailto:centos-bounces@centos.org] On Behalf Of Robert Heller > Sent: Sunday, March 08, 2009 15:46 > To: CentOS mailing list > Cc: CentOS mailing list > Subject: Re: [CentOS] Creating an alternitive install CD for CentOS > 5.2 (w/patched mkinitrd) > > At Sun, 8 Mar 2009 08:47:50 -0400 CentOS mailing list > <centos(a)centos.org> wrote: > > > > > On Sat, Mar 7, 2009 at 2:34 PM, Robert Heller > <heller(a)deepsoft.com> wrote: > > ..... > > > > > I was unsure of the specific options above -- After installing > > > revisor and poked around in the source code and found > what I needed, > > > but my test install failed -- it complained that there > was a problem > > > with mkinitrd -- could not open it or find it -- guessing > I need to > > > rebuild the repro database. > > > > > > > > >> > > >> ... reboot, lather, rinse and repeat .... :-) :=) > > >> > > >> You may find "re-generating" the CentOS CDs/DVD quite > easy at times > > >> and very frustrating and complex at others ...... > > > > > > Yeah, it appears so. B I just hope I don't have to rebuild all 6 > > > CDs, since I don't have the DVD nor do I have a DVD-R > drive either, > > > so doing things with a single DVD is not an option. > > > > > > > Last time I added a DVD burner to my Build system, it cost > $29 (USD) > > and this was for a very good, reliable unit. Not worth my time and > > immense hassle to do otherwise .... > > > > As for ... > > > > > could not open it or find it -- guessing I need to > rebuild the repro > > > database. > > > > What about: > > > > >> First of all, if you replace an RPM, you'll need to do > createrepro. > > > > What isn't clear?? As "need to" means **MUST**.... <hmmmm>. > > Why did you even make an attempt without the createrepro command?? > > Two to three minutes of your time wasn't worth it (but > taking our time > > is, of course) :-):-) ... > > I did not even know about the createrepro command! > > > > > While I believe your bug reports, I install CentOS on RAID + LVM > > everyday without any problems, private kernel patches, etc. -- as a > > counter-example. > > Did you *specificly* install CentOS 5.2 (as opposed to 5.1 or 4.7? Do > you want the URLs of of the CentOS 5.2 & RHEL 5.2 bug reports? Did > you install onto bare partitions and then migrate to RAID and/or LVM > later? > Note this is *software RAID*, not hardware RAID. > > > > > Now, let's see if we understand the situation clearly: > > > > 1. This is a "one-time" conversion (will "throw the CD > away when done") ... > > > > 2. You're migrating a system from Ubuntu to CentOS > (e.g., a different > > version / patch level of LVM + RAID) and *hope* to keep data > > consistency and reliability ... > > > > 3. You have a backup of this precious data, yes / no?? > If no, eegaddss.... > > > > 4. So, why not just do a wipe + fresh install and > reload the data??? > > I want the option of falling back to the existing (working) Ubuntu > system, in case there are problems with the CentOS setup. Right now, > this is for a small (and relatively > impoverished) small town library. Is the library a 501c3? > The original setup (done by someone else who does not have the time, > etc. to deal with it) uses LTSP and diskless thin clients. While this > works, there are some performance issues. Because the LTSP uses the > 'PC's as pretty much bare X Terminals, this means all of the real > 'work' > is done on the server itself. With several people working, often kids > and teens playing Flash games and maybe one or two people using Open > Office, the server litterally runs out of RAM and starts swapping, > which slows everything down. I want to set up a slighter thicker > clients using NFS mounted file systems in hopes that this will work > better. > > There is a backup process in place, but it has not been working > lately, since there seems to be a problem with sshd on the external > server. > Even if it was working it might be problematical to restore it anyway > because of the rather funcky internet connection we have (HughesNet > satelite dishes -- nothing better is available here in the wilds of > Western Mass). > > The main reason for moving from Ubuntu to CentOS is that I am much > more familar / confortable with RedHat flavored systems. > Ubuntu seems to have more 'magical' things going on, which I could > not figure out. I think Ubuntu tries to be overly 'helpful', which > might be nice for some users and probably makes more sense for home > desktop users, but was just frustating for someone trying to do some > 'outside of the box' things. Trying to get this straight, is this for the server or a client? What are the disk specs for the machine? Why would you not just buy additional storage, even if you accomplish this install/upgrade over the old version you will most likely not be able to go back. > > > > > Now how much time have you spent on this "project" so far?? > I believe > > the above would be done 2 to 3x times over by now .... > > > > Plus, you've found out that it is a lot more than "just a mkisofs > > command with a few arguments" (and that you have to follow > > instructions precisely or things just don't WORK(tm)). > > > > Hmmmm.... > > > > -rak- > > _______________________________________________ > > CentOS mailing list > > CentOS(a)centos.org > > http://lists.centos.org/mailman/listinfo/centos > > > > > > > -- > Robert Heller -- 978-544-6933 > Deepwoods Software -- Download the Model Railroad System > http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows > heller(a)deepsoft.com -- > http://www.deepsoft.com/ModelRailroadSystem/ > > -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Principal Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is copyright PD Inc, subject to license 20080407P00.

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Creating an alternitive install CD for CentOS 5.2 (w/ patched mkinitrd)
by Robert Heller 08 Mar '09

08 Mar '09

I need to be able to install CentOS 5.2 on a machine with software RAID (and LVM) setup. I discovered (the hard way!) that there is a bug in the mkinitrd package that causes it to enter an endless loop when there are /dev/mapper/ devices present during the install process. There is a patch to mkinitrd, which I applied and created a new rpm for mkinitrd with this patch applied. I'd like to now create a alternitive install CD, but I am not sure of the exact mkisofs command line to properly create a bootable CD. I am also not sure if I need to update any of the files the installer uses to install the system -- is it enough to just drop the alternitive mkinitrd rpm? Do I need to rebuild any of the other files on the CD? -- Robert Heller -- 978-544-6933 Deepwoods Software -- Download the Model Railroad System http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows heller(a)deepsoft.com -- http://www.deepsoft.com/ModelRailroadSystem/

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CentOS-announce Digest, Vol 49, Issue 4
by centos-announce-request＠centos.org 08 Mar '09

08 Mar '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-2009:0315 Critical CentOS 4 s390(x) firefox - security update (Pasi Pirhonen) 2. CESA-2009:0325 Critical CentOS 4 s390(x) seamonkey - security update (Pasi Pirhonen) ---------------------------------------------------------------------- Message: 1 Date: Sat, 7 Mar 2009 18:51:01 +0200 From: Pasi Pirhonen <upi(a)centos.fi> Subject: [CentOS-announce] CESA-2009:0315 Critical CentOS 4 s390(x) firefox - security update To: centos-announce(a)centos.org Message-ID: <20090307165101.GK23300(a)centos.fi> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory 2009:0315 https://rhn.redhat.com/errata/RHSA-2009-0315.html The following updated files have been uploaded and are currently syncing to the mirrors: s390: updates/s390/RPMS/firefox-3.0.7-1.el4.centos.s390.rpm s390x: updates/s390x/RPMS/firefox-3.0.7-1.el4.centos.s390x.rpm -- Pasi Pirhonen - upi(a)iki.fi - http://pasi.pirhonen.eu/ Top-postings silently ignored

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Discuss March 2009