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Installing xfce on CentOS 5.3?
by James Pearson 08 May '09

08 May '09

I would like to install xfce from the "extras" repo - but when I run: yum groupinstall XFCE-4.4 I get: Warning: Group XFCE-4.4 does not exist. Also 'yum grouplist' appears to only show the base groups ... Is there anything else I have to do to install xfce? Thanks James Pearson

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domU corrupt after server crash, help needed trying to recover domU LVM
by Rudi Ahlers 08 May '09

08 May '09

Hi all, One of our Dell servers has failed badly, and one of the domU's has been corrupted in the process. It boots up to a point and then gives me a kernel panic: Loading dm-zero.ko module Loading dm-snapshot.ko module Scanning and configuring dmraid supported devices Scanning logical volumes Reading all physical volumes. This may take a while... No volume groups found Activating logical volumes Volume group "VolGroup00" not found Creating root device. Mounting root filesystem. mount: could not find filesystem '/dev/root' Setting up other filesystems. Setting up new root fs setuproot: moving /dev failed: No such file or directory no fstab.sys, mounting internal defaults setuproot: error mounting /proc: No such file or directory setuproot: error mounting /sys: No such file or directory Switching to new root and running init. unmounting old /dev unmounting old /proc unmounting old /sys switchroot: mount failed: No such file or directory Kernel panic - not syncing: Attempted to kill init! It shows up as a Zombie: [root@xen ~]# xm list Name ID Mem(MiB) VCPUs State Time(s) Domain-0 0 1439 1 r----- 329.0 Zombie-hfserver2 15 1024 1 ----c- 0.5 hfdns02 10 519 2 r----- 1552.8 I can't mount either: root@xen ~]# mount /dev/data/hf hfdns02 hfserver2 [root@xen ~]# mount /dev/data/hfserver2 /mnt/cpanel/ mount: you must specify the filesystem type [root@xen ~]# mount -o loop /dev/data/hfserver2 /mnt/cpanel/ mount: you must specify the filesystem type Here's the output of the LVM partitions: [root@xen ~]# lvscan ACTIVE '/dev/data/cpanel002' [100.00 GB] inherit ACTIVE '/dev/data/windows2003_web' [30.00 GB] inherit ACTIVE '/dev/data/storage' [50.00 GB] inherit ACTIVE Original '/dev/data/hfserver2' [30.00 GB] inherit ACTIVE '/dev/data/hfdns02' [30.00 GB] inherit ACTIVE '/dev/data/pluto' [30.00 GB] inherit ACTIVE Snapshot '/dev/data/pluto_s' [30.00 GB] inherit ACTIVE '/dev/system/root' [39.06 GB] inherit ACTIVE '/dev/system/swap' [9.75 GB] inherit [root@xen ~]# vgscan Reading all physical volumes. This may take a while... Found volume group "data" using metadata type lvm2 Found volume group "system" using metadata type lvm2 [root@xen ~]# Does anyone know how to fix a LVM like this? -- Kind Regards Rudi Ahlers CEO, SoftDux Hosting Web: http://www.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

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OS2 filesystems?
by Julian Thomas 08 May '09

08 May '09

Has anyone managed to access OS2 HPFS and OS2 JFS filesystems from Centos? This is a multiple boot system with Centos, XP, and OS2. Tnx -- Julian Thomas: jt(a)jt-mj.net http://jt-mj.net In the beautiful Genesee Valley of Western New York State! -- -- Hex dump: Where witches put used curses...

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Hibernate Timeout
by James Bensley 08 May '09

08 May '09

Hi Guys n Gals, I've been trying to find out how to set the timeout value for how long my machine will wait before it goes into hibernation via the terminal but I can't find it anywhere? Does any one know? Any help would be greatly appreciated. Regards, James ;) -----BEGIN GEEK CODE BLOCK----- Version: 3.1 GIT/MU/U dpu s: a--> C++>$ U+> L++> B-> P+> E?> W+++>$ N K W++ O M++>$ V- PS+++ PE++ Y+ PGP t 5 X+ R- tv+ b+> DI D+++ G+ e(+++++) h--(++) r++ z++ ------END GEEK CODE BLOCK------

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Re: [CentOS] timezone "Europe/London" ntpdate
by Yuri Timofeev 08 May '09

08 May '09

I setup to the timezone, date and time. And now I want to add synchronize time with the time-server. I want to change with daylight savings/summer time. 2009/5/8, lists-centos <replies-lists-a2z2-centos(a)listmail.innovate.net>: > is this the first time you've run ntpdate (or equiv) in a bit over a > month? > > "london" goes on "summer time" toward the end of march, so switches > to gmt+1 at that point, so it would be 22:nn now in "london time", > while it's 21:nn GMT. > > if you want your machine to not change with daylight savings/summer > time you need to select GMT or UTC, rather than a country-specific > timezone. > > - Rick > > > > ------------ Original Message ------------ >> Date: Thursday, May 07, 2009 11:43:58 PM +0300 >> From: Yuri Timofeev <tim4dev(a)gmail.com> >> To: centos <centos(a)centos.org> >> Subject: [CentOS] timezone "Europe/London" ntpdate >> >> Hi >> >> CentOS 5.3 with latest updates. >> >> I have a problem with the time zone on dedicated server. >> I had to setup the timezone using system-config-date to >> "Europe/London" and "System clock uses UTC" == checked >> >># date; date -u; hwclock --show; hwclock --show --utc; zdump >># /etc/localtime >> Thu May 7 21:29:47 GMT 2009 >> Thu May 7 21:29:47 UTC 2009 >> Thu 07 May 2009 09:29:48 PM GMT -0.411568 seconds >> Thu 07 May 2009 09:29:49 PM GMT -0.997482 seconds >> /etc/localtime Thu May 7 21:29:48 2009 GMT >> >># cat /etc/sysconfig/clock >> ZONE="Europe/London" >> UTC=true >> ARC=false >> >># cat /etc/adjtime >> -3525.635197 1241730131 0.000000 >> 1241730131 >> UTC >> >># strings /etc/localtime >> TZif2 >> TZif2 >> GMT0 >> >># ntpdate -q 0.centos.pool.ntp.org >> 7 May 21:14:51 ntpdate[12689]: step time server 195.42.115.77 >> offset -3638.766689 sec >> >> Why -3638 sec ? >> >> thanks. > > ------------ End Original Message ------------ > > > -- with best regards

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problem with updates
by Charles E Campbell Jr 08 May '09

08 May '09

Using Centos 5.2 and the "Software Updater/Package Updater/pup", I winnowed the problem updates down to six packages: 1: Updated file packages available 2: Updated gcc43 packages available 3: Updated gcc packages available 4: Updated pam packages available 5: Updated redhat-logos packages available 6: Updated redhat-menus packages available It'd really help if there was a button on pup to deselect all updates (and let me click just a few updates back on). The problem is typically... Updated file packages available Component: pirut Summary: TBe8ae967a sqlitesack.py:94:_read_db_obj:TypeError: unsubscriptable object As a result, /usr/share/gdm/themes/TreeFlower/background.png is missing, and so I get an error message about it and the "default" login screen. Of course, I don't know what else is missing (for example, those gcc packages...). Regards, Chip Campbell -- someday I'll have a good signature, I'm sure of it...

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Software RAID resync
by Rajagopal Swaminathan 08 May '09

08 May '09

I have configured 2x 500G sata HDD as Software RAID1 with three partitions md0,md1 and md2 with md2 as 400+ gigs Now it is almost 36 hours the status is cat /proc/mdstat Personalities : [raid1] md0 : active raid1 hdb1[1] hda1[0] 104320 blocks [2/2] [UU] resync=DELAYED md1 : active raid1 hdb2[1] hda2[0] 4096448 blocks [2/2] [UU] resync=DELAYED md2 : active raid1 hdb3[1] hda3[0] 484182912 blocks [2/2] [UU] [==========>..........] resync = 51.8% (251168768/484182912) finish=1975. 7min speed=1964K/sec unused devices: <none> I have reniced the md2-resync to -10 Q1. Does is take this long? Q2. How to speed it up Regards and Thanks Rajagopal

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OT: Photo Editor to reduce 272 photos to VGA at once
by Lanny Marcus 07 May '09

07 May '09

I returned from Bogotá and have a Folder with 272 photos that total 419.9 MB. I would like to email them to several people who were there for the concerts I attended. I have Picasa, gThumb (not really an Editor but I believe it can reduce the quality of photos) and The GIMP installed. Is there a way I can have a photo editor reduce all of them to VGA size, without doing that 272 times? The people who will receive them are using M$ Windoze. Also, they are in a folder and it doesn't seem possible to attach a folder in gmail. A good way to zip them up in one file that can be unzipped on Windoze boxes? TIA! P.S. I met people there who participate in the forum for my favorite singer. I suspect it would be equally interesting, to meet many of the people who participate in this Mailing List.

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Local yum mirror and repomd.xml
by Mathew S. McCarrell 07 May '09

07 May '09

Hey, So, I'm having a minor issue. Today, I configured one of our CentOS systems to use our local mirror (mirror.clarkson.edu) for its repositories. After doing this, I ran a yum update and received the following warning in the output along with the updates available: Not using downloaded repomd.xml because it is older than what we have: Current : Thu May 7 14:41:57 2009 Downloaded: Tue Apr 28 05:04:32 2009 In order to get rid of this error, I ran "yum clean all" and then "yum update" again. This results in the warning no longer being present but also results in yum telling me there are no packages marked for update. Any thoughts on why this is occuring? I've posted my mirror configuration at the bottom of the page. Thanks, Matt ======= Mirror Configuration (CentOS-Base.repo) ======= # CentOS-Base.repo # # This file uses a new mirrorlist system developed by Lance Davis for CentOS. # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates # unless you are manually picking other mirrors. # # If the mirrorlist= does not work for you, as a fall back you can try the # remarked out baseurl= line instead. # # [base] name=CentOS-$releasever - Base #mirrorlist= http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os baseurl=http://mirror.clarkson.edu/centos/$releasever/os/$basearch/ gpgcheck=1 protect=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #released updates [updates] name=CentOS-$releasever - Updates #mirrorlist= http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updat… baseurl=http://mirror.clarkson.edu/centos/$releasever/updates/$basearch/ gpgcheck=1 protect=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #packages used/produced in the build but not released [addons] name=CentOS-$releasever - Addons #mirrorlist= http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=addons baseurl=http://mirror.clarkson.edu/centos/$releasever/addons/$basearch/ gpgcheck=1 protect=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #additional packages that may be useful [extras] name=CentOS-$releasever - Extras #mirrorlist= http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras baseurl=http://mirror.clarkson.edu/centos/$releasever/extras/$basearch/ gpgcheck=1 protect=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever - Plus #mirrorlist= http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=cento… baseurl=http://mirror.clarkson.edu/centos/$releasever/centosplus/$basearch/ gpgcheck=1 enabled=0 protect=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #contrib - packages by Centos Users [contrib] name=CentOS-$releasever - Contrib #mirrorlist= http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contr… baseurl=http://mirror.clarkson.edu/centos/$releasever/contrib/$basearch/ gpgcheck=1 enabled=0 protect=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 ======================================== -- Mathew S. McCarrell Clarkson University '10 mccarrms(a)gmail.com mccarrms(a)clarkson.edu

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stale dm-multipath mappings
by Eugene Vilensky 07 May '09

07 May '09

Greetings, I've hit this exact 'bug': https://bugzilla.redhat.com/show_bug.cgi?id=491311 I need to remove the mappings manually. I assume this is done via 'multipath -F' followed by a 'multipath -v2' ? Has anyone experienced doing this on a production system? We can do it during hours of low activity, but we would prefer to keep the databases on this host online at the time. The LUNs themselves are completely removed from the host and are not visible on the HBA bus. Regards, Eugene Vilensky evilensky(a)gmail.com

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