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Installing on partitionable RAID arrays
by RedShift 29 Mar '09

29 Mar '09

Hello Since linux 2.6, the md layer has a feature called partitionable arrays. So instead of having two disks, creating an identical partition table on both and then putting those partitions in RAID 1, you take those two disks and put them in one partitionable RAID 1 array (in mdadm terms, "mdp") and create a partition table on the new RAID device. The advantages are quite clear compared to the old non-partitionable arrays. My question is, is this supported by CentOS? The GTK installer doesn't provide a way to create such an mdp device and the integrated partitioning tool does not see for example md_d0 when I create it manually from the console. Another way to get CentOS on such a configuration would be to do everything manually, thus installing the base system by creating the necessary disk allocations and then rpm -i all the required packages to get it to boot. (I've done this before, it's not a big deal, you just need to follow a certain order - I remember documenting it somewhere but forgot). But since this method is probably not officially documented anywhere or even supported I'll most likely won't get any support if this setup were to fail somehow (like when upgrading between minor versions). I've tried STFW'ing, but searching for centos and partitionable arrays is too ambiguous. Thanks, Best regards, Glenn Matthys

9 16

APCUPSD port 3551 permission problem
by Bob Taylor 29 Mar '09

29 Mar '09

I need a little help on this problem, please? I include my /etc/apcupsd/apcupsd.conf file is attached. port 3551 udp/tcp has been added to the (running) firewall. My APC is recognized as: APC Back-UPS 450 FW:844.Kld.D USB FW:Kld This from the hardware browser. PS says: root 2419 0.0 0.0 4196 584 ? Ss Mar23 0:09 /sbin/apcupsd -f /etc/apcupsd/apcupsd.conf Is group 2419 the problem? What should I name it? apcupsd? The status field of the Service Configuration GUI says: apcupsd (pid 2419) is running... Error contacting host localhost port 3551: Connection refused TIA -- Bob Taylor

2 2

xen serial port access for domu?
by Gordon McLellan 29 Mar '09

29 Mar '09

Is serial port "passthrough" possible for the version of xen that ships with centos 5.2? I've disabled the xen hypervisor serial console, and can see the serial port in dom0. I've masked out the 8250, 8250_pnp and serial_core modules on dom0 and rebooted. xm create domain fails with the error that exactly 4 arguments are required and only 3 were given. Steps I followed: 1) I have xencons=off as a kernel arg for dom0, and when dom0 boots, it finds the serial port. 2) I have blacklisted 8250, 8250_pnp and serial_core, rebooted, no serial port under dom0 3) added the following to my domu config (domu is 32bit centos 5.2, pvm) addirq = [ 4 ] ioports = [ "3f8-3ff" ] 4) now to start the vm and see what happens: # xm create mythserver Using config file "./mythserver". Error: function takes exactly 4 arguments (3 given) My host is 64 bit centos 5.2, domu is 32 bit centos 5.2. I'm running the stock redhat version of xen that ships with el5.2 Any suggestions? -Gordon # uname -a Linux xenmaster.dimension-x.local 2.6.18-92.1.22.el5xen #1 SMP Tue Dec 16 12:26:32 EST 2008 x86_64 x86_64 x86_64 GNU/Linux # xm log [2009-03-28 18:09:41 xend 8017] ERROR (xmlrpclib2:184) function takes exactly 4 arguments (3 given) Traceback (most recent call last): File "/usr/lib64/python2.4/site-packages/xen/util/xmlrpclib2.py", line 162, in _marshaled_dispatch response = self._dispatch(method, params) File "/usr/lib64/python2.4/SimpleXMLRPCServer.py", line 406, in _dispatch return func(*params) File "/usr/lib64/python2.4/site-packages/xen/xend/server/XMLRPCServer.py", line 64, in domain_create info = XendDomain.instance().domain_create(config) File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 238, in domain_create dominfo = XendDomainInfo.create(config) File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 205, in create vm.initDomain() File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 1507, in initDomain self.createDevices() File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 1716, in createDevices self.createDevice(n, c) File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line 1189, in createDevice return self.getDeviceController(deviceClass).createDevice(devconfig) File "/usr/lib64/python2.4/site-packages/xen/xend/server/DevController.py", line 80, in createDevice (devid, back, front) = self.getDeviceDetails(config) File "/usr/lib64/python2.4/site-packages/xen/xend/server/iopif.py", line 78, in getDeviceDetails allow_access = True) TypeError: function takes exactly 4 arguments (3 given) Full pvm config file: # cat /etc/xen/mythserver name = "mythserver" uuid = "f06f3124-0f62-9ea6-ae2e-df597103b5de" maxmem = 1024 memory = 512 vcpus = 2 bootloader = "/usr/bin/pygrub" on_poweroff = "destroy" on_reboot = "restart" on_crash = "restart" vfb = [ "type=vnc,vncunused=1,keymap=en-us" ] disk = [ "phy:/dev/vg0/xen_mythserver,xvda,w" ] vif = [ "mac=00:16:3e:0a:bf:d8,bridge=xenbr0" ] pci = [ "0000:05:02.0","0000:06:08.0","0000:06:09.0" ] addirq = [ 4 ] ioports = [ "3f8-3ff" ] # xm info host : xenmaster.dimension-x.local release : 2.6.18-92.1.22.el5xen version : #1 SMP Tue Dec 16 12:26:32 EST 2008 machine : x86_64 nr_cpus : 8 nr_nodes : 1 sockets_per_node : 2 cores_per_socket : 4 threads_per_core : 1 cpu_mhz : 1995 hw_caps : bfebfbff:20100800:00000000:00000140:040ce33d:00000000:00000001 total_memory : 16382 free_memory : 784 node_to_cpu : node0:0-7 xen_major : 3 xen_minor : 1 xen_extra : .2-92.1.22.el5 xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 xen_pagesize : 4096 platform_params : virt_start=0xffff800000000000 xen_changeset : unavailable cc_compiler : gcc version 4.1.2 20071124 (Red Hat 4.1.2-42) cc_compile_by : mockbuild cc_compile_domain : centos.org cc_compile_date : Tue Dec 16 11:51:08 EST 2008 xend_config_format : 2

1 0

command line programs for ldap
by Jerry Geis 28 Mar '09

28 Mar '09

Hi all. I am looking for some command line programs (pre made) that will connect to an ldap server and list out the users in question provided by the search argument given. I found some mention of it from oracle but I did not see where they can be downloaded. Is something like this available and I just havent found them? Thanks, Jerry

4 4

Minimal Install?
by Norberto Bensa 28 Mar '09

28 Mar '09

Hello list, I'm testing CentOS 5.2 as a possible Xen Server (i.e.: dom0) but the default no-items-selected still installs cups, portmap, and many other thing I don't want in a dom0 installation. I've already removed the packages I don't want, and replaced sendmail with postfix (I need a mailserver because of mdadm/smartd) but there're some executables I don't know what they do (gam_server for example) Two questions: 1) Is there a _real_ minimal install? 2) Is it possible, using yum, to know which packages holds what file? (like dpkg -S in Debian/Ubuntu) Many thanks in advance, Norberto

5 5

Installing on LVM on SW-RAID
by Norberto Bensa 28 Mar '09

28 Mar '09

Hello list, I'm trying to install CentOS 5.2 on LVM on a SW-RAID level 1, but I'm unable to understand how to use the installer correctly. What I'm trying to do is emulate something I've already done with another distro where: sda5 \ RAID1 --> /boot sdb5 / sda6 \ RAID1 --> LVM --> /root, /home, /usr, /var... etc. sdb6 / I've succesfully created the raid, and the PV for LVM, but I can't figure out how to create a VG inside the PV. Is it possible using the installer, or should I better install it using one disk, and once installed create the raid/pv/vg, and move everything around by hand? Many thanks in advance, Norberto

4 9

CentOS-announce Digest, Vol 49, Issue 12
by centos-announce-request＠centos.org 28 Mar '09

28 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-2009:0398 Critical CentOS 3 i386 seamonkey - security update (Tru Huynh) 2. CESA-2009:0398 Critical CentOS 3 x86_64 seamonkey - security update (Tru Huynh) ---------------------------------------------------------------------- Message: 1 Date: Sat, 28 Mar 2009 15:45:12 +0100 From: Tru Huynh <tru(a)centos.org> Subject: [CentOS-announce] CESA-2009:0398 Critical CentOS 3 i386 seamonkey - security update To: centos-announce(a)centos.org Message-ID: <20090328144512.GB19431(a)sillage.bis.pasteur.fr> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory CESA-2009:0398 seamonkey security update for CentOS 3 i386: https://rhn.redhat.com/errata/RHSA-2009-0398.html The following updated file has been uploaded and is currently syncing to the mirrors: i386: updates/i386/RPMS/seamonkey-1.0.9-0.36.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-chat-1.0.9-0.36.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-devel-1.0.9-0.36.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-dom-inspector-1.0.9-0.36.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-js-debugger-1.0.9-0.36.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-mail-1.0.9-0.36.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-nspr-1.0.9-0.36.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-nspr-devel-1.0.9-0.36.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-nss-1.0.9-0.36.el3.centos3.i386.rpm updates/i386/RPMS/seamonkey-nss-devel-1.0.9-0.36.el3.centos3.i386.rpm source: updates/SRPMS/seamonkey-1.0.9-0.36.el3.centos3.src.rpm You may update your CentOS-3 i386 installations by running the command: yum update seamonkey\* Tru -- Tru Huynh (mirrors, CentOS-3 i386/x86_64 Package Maintenance) http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B

1 0

USB, AutoMount & VNC
by Guy Boisvert 28 Mar '09

28 Mar '09

Hi! I'm trying to figure out how to make automount do its job when nobody is logged at the console and the user access the server by VNC. Does anybody knows how to make CentOS automount USB Hard Drives / Pendrive when accessed by VNC? Thanks! Guy Boisvert, ing IngTegration inc.

4 5

Getting asciidoc
by James B. Byrne 28 Mar '09

28 Mar '09

I need to install asciidoc on my build machine. There is a version for CentOS-5 available at dags rpm site. I have a repository configured for dag like so: [dag] name=Dag Wieers RPM Repository for Red Hat Enterprise Linux #Also see URL http://dag.wieers.com/home-made/apt/ baseurl=http://apt.sw.be/redhat/el$releasever/en/$basearch/dag gpgkey=http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt gpgcheck=1 # this repo just does not respond in a timely fashion so # turned off by default # Use yum --enablerepo=dag to use. enabled=0 gpgkey=http://dag.wieers.com/packages/RPM-GPG-KEY.dag.txt includepkgs=acsiidoc* bitt* perl* # priority requires yum-priorities. Must also be enabled in # yum.conf and /etc/yum/pluginconf.d/priorities.conf priority=20 I tried to install asciidoc using yum like so: # yum --enablerepo=dag install asciidoc Loading "fastestmirror" plugin Loading mirror speeds from cached hostfile * epel: www.muug.mb.ca * adobe-linux-i386: linuxdownload.adobe.com * dag: apt.sw.be * base: mirror.csclub.uwaterloo.ca * updates: www.muug.mb.ca * addons: www.muug.mb.ca * extras: www.muug.mb.ca Reducing Extra Packages for Enterprise Linux 5 - x86_64 to included packages only Finished Reducing Dag Wieers RPM Repository for Red Hat Enterprise Linux to included packages only Finished Setting up Install Process Parsing package install arguments No package asciidoc available. Nothing to do What am I doing wrong? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

5 7

Open Source Mail Server Solution for RHEL/CentOS 5.x
by Zhang Huangbin 28 Mar '09

28 Mar '09

Hi, all. I'd like to introduce iRedMail open source mail server solution for RHEL/CentOS to you. * iRedMail is: - mail server solution for Red Hat(R) Enterprise Linux and CentOS 5.x, support both i386 and x86_64. - a shell script set, used to install and configure all mail server related software automatically. - open source project (GPL v2). * iRedOS is: - Customized CentOS 5.x, remove unnecessary packages - Ships iRedMail. * Download: - http://code.google.com/p/iredmail/downloads/list - http://www.iredmail.org/iredos/ * Feature list: http://code.google.com/p/iredmail/wiki/Features * Installation guide: http://code.google.com/p/iredmail/wiki/Installation * Success Stories: http://code.google.com/p/iredmail/wiki/Success_Stories * Group/Forum: http://groups.google.com/group/iredmail/ -- Best regards. Zhang Huangbin - Open Source Mail Server Solution for RHEL/CentOS 5.x: http://code.google.com/p/iredmail/

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