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How to make nodes in my local LAN see each other's names
by Timothy Madden 03 Dec '11

03 Dec '11

Hello Sorry for the (I guess) simple question, but: I have 7 computers under one 8-port router (D-Link DIR-100, firmware v1.13EU) in my network (actually in a sub-network) and they do not see each other's host names. The router has the 'DNS relay' option enabled, and all 7 computers use the router as the DNS server, which in turn will forward DNS requests to the ISP DNS server. That way I can understand that simple, plain, default DNS is not enough for my boxes to see each-other's names. Windows has a nice (or not) way to resolve the problem: CIFS (Samba) server names are automatically included in the name resolving procedure. I know I can do the same with my CentOS boxes if I install samba on each of them and add 'wins' to the 'hosts: ' line in /etc/nsswitch.conf, but somehow I think installing cifs on every node just to get my local machine names to resolve properly to the IP addresses is not the right way to solve my problem ... What is the way to have all computers in my simple network know each other by name ? Is it possible to have the name resolving procedure used by the system automatically recognize a new machine added to my network, when I try to access it with right host name, like WINS can ? Also, I hear Linux does not have, by default, a cache of resolved names (like Windows does), and I find that to be a sad thing. Why should the default be set so that I contact the ISP DNS server for each and every web page I hit ? Is there an easy way to install a caching name server on my each machine, and make sure my system is using /that server/ to resolve names ? Thank you, Timothy Madden

10 48

Missing sources in CentOS 6.0
by Ryan R. Uber 03 Dec '11

03 Dec '11

Hello everyone, In the 6.0 release, I have found a gap in the provided source under the SRPMS/ directories on the mirrors. Let's take the 'bash' source as the first example. The version of bash that I find in the binary x86_64 directories is: http://mirror.centos.org/centos-6/6.0/os/x86_64/Packages/bash-4.1.2-3.el6.x… One would expect to find the source to that binary at: http://mirror.centos.org/centos-6/6.0/os/x86_64/Packages/bash-4.1.2-3.el6.s… However, it does not exist. I have looked on many mirrors, all with the same result, which leads me to believe that this is simply missing on all CentOS mirrors. I have checked other distributions to see if the result is consistent, but Red Hat provides the SRPMS in their repository: ftp://ftp.redhat.com/redhat/linux/enterprise/6Server/en/os/SRPMS/bash-4.1.2… As do other rebuild-distributions like Scientific Linux: http://mirrors.200p-sf.sonic.net/scientific/6.0/SRPMS/vendor/bash-4.1.2-3.e… I have noticed this same anomoly with the following packages: bash coreutils iptables libselinux mod_auth_kerb nss redhat-logos There may be others as well, but I have not checked the entire distribution. Is this a mistake? Or is there a reason that these are left out? I searched the forums and found this thread, but it offers no real solution: https://www.centos.org/modules/newbb/viewtopic.php?post_id=143030&topic_id=… Also, there doesn't appear to be any source available for the CR repository. Is there any place I can find these? Or am I just supposed to fetch them from upstream? - Ryan

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qemu-kvm failed after update from CR repo
by Emmett Culley 02 Dec '11

02 Dec '11

I finally decided to install the CR repo on one of my CentOS 6 machines that I use as a host for some VMs (also running CentOS 6). Before updating the host I updated a VM that was not critical to test the process and was able to boot that VM, so I went ahead with updating the host and the two VMs that were in use. When I rebooted the host none of the VM would start. Once I figured out that it had to be the host I started downgrading the virtual packages. I was finally able to get the VMs to boot after dwongrading qemu-kvm. Has anyone else seen this? Emmett

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Re: [CentOS] DHCP_HOSTNAME in ifcfg-eth0
by Александр Кириллов 02 Dec '11

02 Dec '11

> Sorry for the wrong wording: what I want is the DHCP client to send > the > hostname when a lease is requested, but I do not want to give > dhclient > any explicit hostname to be sent. > > I want dhclient to read the hostname from `hostname` or from > /etc/sysconfig/network or any other way, and use that name to send > the > hostname to DHCP server. DHCP_HOSTNAME=$(hostname -s)

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CentOS-announce Digest, Vol 82, Issue 1
by centos-announce-request＠centos.org 02 Dec '11

02 Dec '11

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-2011:1508 Moderate CentOS 5 x86_64 cyrus-imapd Update (Johnny Hughes) 2. CESA-2011:1508 Moderate CentOS 5 i386 cyrus-imapd Update (Johnny Hughes) 3. CESA-2011:1508 Moderate CentOS 4 i386 cyrus-imapd Update (Johnny Hughes) 4. CESA-2011:1508 Moderate CentOS 4 x86_64 cyrus-imapd Update (Johnny Hughes) 5. CentOS-4 End Of Life 3 Month Notice (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 1 Dec 2011 17:48:28 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2011:1508 Moderate CentOS 5 x86_64 cyrus-imapd Update To: centos-announce(a)centos.org Message-ID: <20111201174828.GA29501(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2011:1508 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2011-1508.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 8a51558d164a0091ef2937d082269461 cyrus-imapd-2.3.7-12.el5_7.2.x86_64.rpm 1102eb2857fd8a71c1e4b51927aac33f cyrus-imapd-devel-2.3.7-12.el5_7.2.i386.rpm c1cc71a5d3d6fd6d317d5cd830ed49a9 cyrus-imapd-devel-2.3.7-12.el5_7.2.x86_64.rpm 0f6f55cc8214a8e62ee4d95bbee07740 cyrus-imapd-perl-2.3.7-12.el5_7.2.x86_64.rpm 7492f9c4adcdfad3b999c83acae5c872 cyrus-imapd-utils-2.3.7-12.el5_7.2.x86_64.rpm Source: b6bff411a338e2c86e1e66d84a26ff3a cyrus-imapd-2.3.7-12.el5_7.2.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Thu, 1 Dec 2011 17:48:28 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2011:1508 Moderate CentOS 5 i386 cyrus-imapd Update To: centos-announce(a)centos.org Message-ID: <20111201174828.GA29484(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2011:1508 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2011-1508.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: cd49a50d798896f2bc59e0dfb1c97df4 cyrus-imapd-2.3.7-12.el5_7.2.i386.rpm 1102eb2857fd8a71c1e4b51927aac33f cyrus-imapd-devel-2.3.7-12.el5_7.2.i386.rpm 2d90cbfeae0957c2853a12d99edc4f9b cyrus-imapd-perl-2.3.7-12.el5_7.2.i386.rpm b42714d0e06d70be63c843667e0a8330 cyrus-imapd-utils-2.3.7-12.el5_7.2.i386.rpm Source: b6bff411a338e2c86e1e66d84a26ff3a cyrus-imapd-2.3.7-12.el5_7.2.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Thu, 1 Dec 2011 17:53:09 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2011:1508 Moderate CentOS 4 i386 cyrus-imapd Update To: centos-announce(a)centos.org Message-ID: <20111201175309.GA29677(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2011:1508 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2011-1508.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: 54816676158d0bb5e04f7b0dc2d5db7d cyrus-imapd-2.2.12-17.el4.i386.rpm 4ebcaf5079b4b034733876c100acb751 cyrus-imapd-devel-2.2.12-17.el4.i386.rpm 347c419e71c3d635c203014083aa83ae cyrus-imapd-murder-2.2.12-17.el4.i386.rpm 3dff94693d66055e4fd835b9e1c4bd94 cyrus-imapd-nntp-2.2.12-17.el4.i386.rpm caa2ee158b5d97805be69a50d066281b cyrus-imapd-utils-2.2.12-17.el4.i386.rpm 9dac71c3cd42a203bd6ec70566e62274 perl-Cyrus-2.2.12-17.el4.i386.rpm Source: 9017c761b8018fb3e7c9b408a3ce1a39 cyrus-imapd-2.2.12-17.el4.src.rpm -- Tru Huynh CentOS Project { http://www.centos.org/ } irc: tru_tru, #centos(a)irc.freenode.net ------------------------------ Message: 4 Date: Thu, 1 Dec 2011 17:53:09 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2011:1508 Moderate CentOS 4 x86_64 cyrus-imapd Update To: centos-announce(a)centos.org Message-ID: <20111201175309.GA29691(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2011:1508 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2011-1508.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 4031dfdd73fa739e1d0588a4a7ea98b1 cyrus-imapd-2.2.12-17.el4.x86_64.rpm cc4ca53b90562d7ee589fd572a4c7e6c cyrus-imapd-devel-2.2.12-17.el4.x86_64.rpm 9895fb2aa1e0831b3cf88d8cb91461e7 cyrus-imapd-murder-2.2.12-17.el4.x86_64.rpm fc5cff1e26142bfbe6ae3f11f5e79507 cyrus-imapd-nntp-2.2.12-17.el4.x86_64.rpm e10653ceeee29e9d90ccf092a0e0625d cyrus-imapd-utils-2.2.12-17.el4.x86_64.rpm 2943f97be5f5c04feb2e765f6780e0ba perl-Cyrus-2.2.12-17.el4.x86_64.rpm Source: 9017c761b8018fb3e7c9b408a3ce1a39 cyrus-imapd-2.2.12-17.el4.src.rpm -- Tru Huynh CentOS Project { http://www.centos.org/ } irc: tru_tru, #centos(a)irc.freenode.net ------------------------------ Message: 5 Date: Fri, 02 Dec 2011 07:52:13 -0600 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CentOS-4 End Of Life 3 Month Notice To: CentOS-Announce <centos-announce(a)centos.org> Message-ID: <4ED8D80D.3000302(a)centos.org> Content-Type: text/plain; charset="iso-8859-1" All, The CentOS-4 distribution (current version 4.9) will be at End of Life on February 29, 2012. That means there is only 3 months left in the life cycle. This coincides with the date that the upstream provider stops releasing updates for their EL4 products. Users who still need the EL4 platform can contact Red Hat for their Extended Lifecycle Support (ELS) product: http://www.redhat.com/rhel/server/extended_lifecycle_support/ Be advised that the upstream provider does NOT release their ELS source code publicly and therefore after February 29, 2012 they will no longer release security updates for their EL4 product line. Soon after 1 March 2012, the CentOS-4.9 tree will be moved off the main CentOS mirrors and placed on http://vault.centos.org/ where it will be available for reference. All users currently using CentOS-4 are advised to begin planning the upgrade to CentOS-5 (EOL Date: March 31, 2014) or CentOS-6 (EOL Date: November 30, 2017) ... or a move to the upstream ELS program for EL4. This will be the 3rd enterprise Linux distribution that the CentOS Project has taken to EOL, with CentOS-4.9 joining CentOS-3.9 and CentOS-2.1 in the vault. If you have any questions, please use one of the getting help methods from the CentOS Wiki: http://wiki.centos.org/Documentation?action=show Thanks, Johnny Hughes

1 0

megaraid/PERC
by m.roth＠5-cent.us 02 Dec '11

02 Dec '11

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 - I think that's what the dead one had. I fired up MegaRAID storage manager... but can't see any way to tell it to recreate that RAID. Anyone done this? mark

9 21

HP Smart Array B110i SATA RAID Controller
by Richard Gliebe 02 Dec '11

02 Dec '11

Hello, I'm trying to install CentOS 6.0 64bit on a HP ProLiant ML110 G7 with a HP Smart Array B110i SATA RAID Controller. One logical drive (RAID 1+0) on the RAID Controller is already build. CentOS Installation can't find the logical Drive, but it shows me the zwo physical drives (sda+sdb). After searching the web, I found following hints: http://www.linuxquestions.org/questions/linux-hardware-18/raid-array-not-de… http://linuximagination.blogspot.com/2011/04/centos-installer-wasnt-detecti… OK. Downloaded the file "hpahcisr-1.2.6-7.rhel5.x86_64.dd.gz" and do the dd from another Linux workstation. # dd if=hpahcisr-1.2.6-7.rhel5.x86_64.dd.gz of=/dev/sdb (4Gig USB Stick) starting the CentOS 6.0 64 bit installation from the DVD boot: linux dd After loading the kernel, the installer is asking whether I have driverdisk and asked to indicate which drive (sdc) /dev/sdc is my 4Gig USB Stick. My problem is now, the step "Driver Disk" is failed: Failed to mount driver disk. any hints are very, very welcome. Thanks in advance Richard

5 10

System Time - UTC and Local Time
by Johan Martinez 01 Dec '11

01 Dec '11

I have installed CentOS on a VM by checking 'System Clock uses UTC' option. Later I selected CST time zone. Now the date command shows UTC time with CST timezone: "Thu Dec 1 04:14:39 CST 2011". How do I change system clock to show CST local time? Also, more likely a dumb question but why isn't date command showing UTC here instead of CST? jM

3 4

how to install standard software on systems with heterogeneous hardware?
by Thomas Burns 01 Dec '11

01 Dec '11

I've been thinking about ways to proceed if I need to set up 5 machines with basically identical software but somewhat variable hardware. A simple approach would be to just set up my golden system and clone the disk, but the hardware differences would probably cause problems. One approach that appeals to me is to install minimal centos on the first system, add a few rpms after installation, do my desired config file tweaks, then somehow generate an rpm that depends on all the post-install rpms and contains my custom versions of the config files I tweaked. Then, to set up the other 4 systems, I'd use the kickstart file from the first, then yum localinstall my custom rpm, which would install all the dependencies and tweak all the config files. I assume the centos install would deal with the hardware differences. Does this idea make sense? What happens when two different rpms want to provide the same config file? Are there any other simple alternatives I have overlooked? What is the best practice when setting up identical software on multiple systems with heterogeneous hardware? mahalo, Dave

8 14

ipa-server
by Louis Lagendijk 30 Nov '11

30 Nov '11

hi I am a happy user of CentOS since Centos 4. I very much appreciate the effort you guys are putting into Centos 6. I am planning to play around with the ipa-server in Centos 6.1. Now I noticed that ipa-server is in the cr-repository. In order to install however the pki-ca and pki-silent packages are missing. The fact that ipa-server is built suggests that these packages have been built. If so, tit may be an oversight that these packages have not yet been pushed to the repo. In that case it would be nice if they could be pushed. If they are not yet ready, I will happily wait for them...(I understand the complexity of the work involved!!!) Thanks for the great distro! Louis

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