Discuss January 2007

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RE: [CentOS] Problems with building a complete kernel
by Mark Hull-Richter 30 Jan '07

30 Jan '07

I am building on an x86_64 machine for itself. "Jim's tutorial" - unfamiliar reference. Please elaborate. Thanks. Mhr

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RAID1 building via hardware
by Patricia Bittencourt 30 Jan '07

30 Jan '07

Hi all, I´m trying to create a RAID1 on a machine. I´ve already configurated BIOS (mother board, Intel, S500VSA SATA) so as to build RAID1 via hardware. However on CentOS Installer, when I reach "disk setup" screen, it shows up 2 devices (/dev/sda and /dev/sdb). Is this right (both devices being showed)? How should I proceed on this moment? If I create the partitions on sda, sdb will be identical?? There is no away to assure this on the installation, so that the doubt came to my mind... thanks in advance, Patricia __________________________________________________ Fale com seus amigos de graça com o novo Yahoo! Messenger http://br.messenger.yahoo.com/

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Openoffice 2.1 install error?
by Robert Moskowitz 30 Jan '07

30 Jan '07

When I installed OpenOffice 2.1, I installed a number of 'core' rpms: openoffice.org-core01-2.1.0-6.i586.rpm openoffice.org-core02-2.1.0-6.i586.rpm openoffice.org-core03-2.1.0-6.i586.rpm openoffice.org-core03u-2.1.0-6.i586.rpm openoffice.org-core04-2.1.0-6.i586.rpm openoffice.org-core04u-2.1.0-6.i586.rpm openoffice.org-core05-2.1.0-6.i586.rpm openoffice.org-core05u-2.1.0-6.i586.rpm openoffice.org-core06-2.1.0-6.i586.rpm openoffice.org-core07-2.1.0-6.i586.rpm openoffice.org-core08-2.1.0-6.i586.rpm openoffice.org-core09-2.1.0-6.i586.rpm openoffice.org-core10-2.1.0-6.i586.rpm Are they all needed? What are they all in there for? thank you.

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Java headaches
by Robert Moskowitz 30 Jan '07

30 Jan '07

I lost my harddrive, and have had to reinstall. This time, I am being a bit smarter on imaging, but still got to get things installed... Installing Freemind. It needs Java JRE. So after lots of pain, and reading past messages, I got jre-1_5_0_09-linux-i586.rpm from sun and installed it. Then I tried to follow Jim Perrin's recommendation to install from jpackage.org the java-1.5.0-sum-compat.rpm. Thing is it is complaining about no JDK (not JRE!) yum install java-1.5.0-sun-compat (have jpackage.org repo in yum.repo.d) Resolving Dependencies --> Populating transaction set with selected packages. Please wait. ---> Package java-1.5.0-sun-compat.noarch 0:1.5.0.09-1jpp set to be updated --> Running transaction check --> Processing Dependency: jdk = 2000:1.5.0_09-fcs for package: java-1.5.0-sun-compat --> Finished Dependency Resolution Error: Missing Dependency: jdk = 2000:1.5.0_09-fcs is needed by package java-1.5.0-sun-compat Huh? so i just try Alfred von Campe's Alternatitive commands: /usr/sbin/alternatives --install /usr/bin/java java /usr/java/jre1.5.0_09/bin/java 10 \ --slave /usr/bin/rmiregistry rmiregistry /usr/java/jre1.5.0_09/bin/rmiregistry \ --slave /usr/lib/jvm/jre jre /usr/java/jre1.5.0_09 /usr/sbin/alternatives --set java /usr/java/jre1.5.0_09/bin/java These seem to work but: rpm -ivh jgoodies-forms-1.0.5-2jpp.noarch.rpm error: Failed dependencies: java >= 0:1.4 is needed by jgoodies-forms-1.0.5-2jpp.noarch and java -version yields: java version "1.5.0_09" Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_09-b03) Java HotSpot(TM) Client VM (build 1.5.0_09-b03, mixed mode, sharing) OK. What is broken here?

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RE: [CentOS] Problems with building a complete kernel
by Mark Hull-Richter 30 Jan '07

30 Jan '07

Not exactly. 1) I will be modifying the kernel and possibly writing one or more device drivers. I'd like to start with a build that works - that's been one of the best ways I've found to ensure that any added or modified code can be reasonably inferred to cause whatever problems I might find. Why is it a problem for one to want to be able to build a working kernel? 2) The build log was clean - where would I find the error log? Wait - that's kind of secondary. I then moved to the instructions in the README file, which are, yes, drastically different - they don't involve rpm, using the exact same source for the exact same kernel. The only fundamental difference is that make doesn't necessarily generate an rpm package (actually, this one does), and I don't need to use rpm for anything. Later on that may be a problem, but not right now. 3) The modification to xfs is a sample based on what I have been assigned to do - I'm not trying to generate the latest and greatest xfs that's available out there. Maybe I should, in the ideal world, but working in corporate America is pretty far from the ideal world. 4) This is all true, but not particularly relevant. I need a base kernel with NO modifications that I can then start to use to create any customizations, like a new device driver or twiddling with some other code that we need to customize because, perhaps, for compatibility reason, we can't just upgrade to a new version of <some_module>. As for the lvm "incompatibility," this is the main one I don't understand. If I am building from the same source as the distribution I am running on this box, why would there be an incompatibility here? Here's what the boot panel displays (copied by hand but missing all indents since it hangs at the end and I don't know if there's a better way to capture the display): Booting (CentOS 2.6.9MHRsmp)' kernel direct mapping nodes[?] up to 10100000000 @ 8000-d000 root (hd0,0) Filesystem type is ext2fs, partition type 0x83 kernel /vmlinuz-2.6.9MHRsmp ro root=/dev/VolGroup00/LogVol00 rhgb quiet [Linux-bzImage, setup=0x1400, size=0x190795] initrd /initrd-2.6.9MHRsmp.img [Linux-initrd @ 0x3706300, 0x18caf6 bytes] . Decompressing Linux...done Booting the kernel audit (1170068438.664:0): initialized Red Hat nash version 4.2.1.8 starting Reading all physical volumes. This may take a while... No volume groups found Volume group "VolGroup00" not found ERROR: /bin/lvm exited abnormally! (pid 206) mount: error 6 mounting ext3 mount: error 2 mounting none switchresest: mount failed: 22 umount /initrd/dev failed: 2 Kernel panic - not syncing: Attempted to kill init [system halts] Thanks. mhr -----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Jim Perrin Sent: Friday, January 26, 2007 5:36 PM To: CentOS mailing list Subject: Re: [CentOS] Problems with building a complete kernel 1. There was no need specified for why a custom kernel was needed. If such a need was spelled out, it's possible that much better help could be provided, or it could even be added to the centosplus kernel. 2. No build log or error of any kind was shown to help troubleshoot. And rather than figuring out what went wrong, the user moved to a drastically different set of instructions, which use a drastically different kernel. Doing so without proper understanding could (and likely would) lead to problems down the road. (The install with --nodeps on the howtoforge listing is a nice touch) 3. The user in question seems to have not done homework regarding centos and XFS, and will be modifying the 2.6.9 xfs code instead of using the much nicer xfs code backported by ex-SGI folks specifically for centos. 4. There are many considerations in building a custom kernel for centos, such as the audit libs, utmp compatability, current system compatability (as demonstrated by the lvm troubles) and so on.

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New daylight savings law
by Jerry Geis 30 Jan '07

30 Jan '07

*Hi All, * I presume the upstream provider is aware of this??? I am in Indiana. Go figure. Jerry ** *---------------- * *New Federal Law—Springing Forward in March, Back in November* Months after Indiana passed the law that got it in step with the rest of the country, the federal government announced a major change in Daylight Saving Time. In Aug. 2005, Congress passed an energy bill that included extending Daylight Saving Time by about a month. Beginning in 2007, DST will start the second Sunday of March and end on the first Sunday of November.

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How to access the internet from load-balanced nodes?
by Igor Zhbanov 30 Jan '07

30 Jan '07

Hello! I have set-up four nodes system: two LVS load balancers (CentOS) and two working nodes (openSUSE). LVS nodes have global IPs, so they able to access the internet and working nodes have only private IPs, so they cannot access internet directly. I use NAT-base load balancing. Now I need to know how give working nodes ability to access the internet? I ask this because I don't know how to write properly iptables rules so LVS balancing packets will not conflict with working nodes internet connections. Should I assign some IP-alias for default gateway for that nodes or something else? Thanks.

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CentOS3 tzdata-2006m
by John R Pierce 30 Jan '07

30 Jan '07

I don't see the tzdata updates for 2006m in the centos 3 mirrors ?!? http://mirror.centos.org/centos-3/3/updates/i386/RPMS/ its here for centos4... http://mirror.centos.org/centos-4/4/updates/i386/RPMS/tzdata-2006m-3.el4.no… and here for 2.1, http://mirror.centos.org/centos-2/updates/noarch/tzdata-2006m-3.el2_1.noarc… so where is it for centos3 ?!? my RHN connected RHEL3 system has found tzdata-2006m-3.el3 via up2date should CentOS-3/3/updates have a noarch like 2.1 did ? I note in 4 they are mixed in with the specific architectures...

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unable to mount centos hard drive
by Lance Earl 30 Jan '07

30 Jan '07

I am considering changing my server from Ubuntu to Centos. I have been tinkering with a box that will eventually become a new server. I am having a problem. This box has two ide drives. Originally I had a Ubuntu desktop installed on hda and then added a Centos server installed on hdb. I wanted to try a different server configuration without overwriting the current install on hdb. With the server on hdb running, I mounted hda and copied some important files from the Ubuntu drive to the Centos drive. I installed a another instance of centos on hda and everything worked fine. With the hda install running, I have attempted to mount hdb so that I can retrieve my files. The problem I have is that when I mount the drive I am taken to the boot directory on hdb and cannot navigate to the directory that holds my files. How do I get access to the rest of the drive? Thanks Lance Earl

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UCD-SNMP rpm
by Matthias Nilsson 30 Jan '07

30 Jan '07

Hi where can i find the UCD-SNMP rpm for nagios ???? in CentOS4.4 Matthias Nilsson U.D.COMM.

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Discuss January 2007