Discuss November 2009

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311 participants
291 discussions

EMERGENCY: Server Crash
by Victor Subervi 12 Nov '09

12 Nov '09

Hi; I went to install some s/w and it looked like there was a problem with openssl. So I decided to uninstall it (yum remove) and reinstall it. When I went to reinstall, I discovered I couldn't use yum. Then I discovered: [root@13gems qmail-1.03]# yum install openssl -bash: /usr/bin/yum: No such file or directory [root@13gems qmail-1.03]# man yum Floating point exception [root@13gems qmail-1.03]# cd / [root@13gems /]# mkdir yum mkdir: error while loading shared libraries: libselinux.so.1: cannot open shared object file: No such file or directory [root@13gems /]# wget http://linux.duke.edu/projects/yum/download/2.0/yum-2.0.7.tar.gz -bash: /usr/bin/wget: No such file or directory [root@13gems /]# ls /usr/bin/ ls: error while loading shared libraries: libselinux.so.1: cannot open shared object file: No such file or directory [root@13gems /]# [root@13gems /]# python -bash: python: command not found Please advise ASAP! Victor

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please suggest reading on Linux memory management
by Alan McKay 12 Nov '09

12 Nov '09

Hey folks, This is sort of a follow up to my email yesterday about memory leaks. I'd found some really good reading material in my hour or so of googling prior to sending that email. Wondering if anyone can recommend good reading on the topic - including raw facts like this jackpot I seem to have hit upon ( http://www.kernel.org/doc/gorman/html/understand/ ), as well as articles on troubleshooting techniques and so forth. thanks, -Alan -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"

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kernel error
by Helmut Drodofsky 12 Nov '09

12 Nov '09

Hi, yesterday there was obviously a problem in one virtual server. Host centos uname -rm: 2.6.18-128.1.6.el5 x86_64 Guest: centos uname -rm: 2.6.18-128.4.1.el5 x86_64 Vmware server : VMware-server-2.0.1-156745.x86_64.rpm Logwatch in guest: --------------------- Kernel Begin ------------------------ WARNING: Kernel Errors Present [<ffffffff8005dde9>] error_exit+0x0/0x84 ...: 3 Time(s) ---------------------- Kernel End ------------------------- Any ideas? Hardware problem? How can I check hardware? The only message I found is from mysqld: Number of processes running now: 0 091111 12:29:05 mysqld restarted 091111 12:29:07 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 091111 12:29:08 InnoDB: Starting log scan based on checkpoint at InnoDB: log sequence number 0 100423936. InnoDB: Doing recovery: scanned up to log sequence number 0 100423936 091111 12:29:09 InnoDB: Started; log sequence number 0 100423936 091111 12:29:09 [Note] /usr/libexec/mysqld: ready for connections. Version: '5.0.45' socket: '/var/lib/mysql/mysql.sock' port: 3306 Source distribution Best regards Helmut

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CentOS Beer event in Berlin
by Geerd-Dietger Hoffmann 12 Nov '09

12 Nov '09

Hey So after quite a few people want to attend here the official data. There will be a CentOS Beer event in a bar called Aufsturz [1] in Berlin Mitte on the 22nd of Nov. I will reserve a table for us. They do nice food too, I remebember :) I will be bringing CentOS promo stuff like sticker, flyer and T-Shirts. It would help if you could email me your size if you want one. So : CentOS Beer event Berlin Date : Sunday, Nov 22, 2009 Time : 18.00 + Location : Oranienburger Str. 67 D-10117 Berlin-Mitte [2] Please invite people you know and bring friends. The "C" in CentOS is for community and there is no better way to discuss geek related stuff as over a nice pint of German brew. Liebe Gruesse Didi P.S. You can find my contact details under [3] [1] http://www.aufsturz.de/ [2] http://maps.google.co.uk/maps?oe=utf-8&client=firefox-a&ie=UTF8&q=aufsturz+… [3] http://www.ribalba.de/pmwiki/pmwiki.php?n=Site.ContactMe ---- My www page: www.ribalba.de Email / Jabber: ribalba(a)gmail.com Skype : ribalba

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Problem when opening files after installing OpenOffice 3.1 on CentOS 5.4
by Mathieu Baudier 12 Nov '09

12 Nov '09

Hi, I have installed OpenOffice 3.1 downloaded from the openoffice.org website on CentOS 5.4 x86_64. The downloaded file is actually an archive containing RPMs. I did not use their setup tool but installed directly the RPMs I was interested in via 'yum localinstall' (my idea is in the future to put them on a custom yum repository, so that they can be managed via regular yum install / update). It works fine, except that when I double-click on, say, *.odt files in the file browser I get the following exception: Cannot open xxxxxxx.odt The filename "xxxxxxx.odt" indicates that this file is of type "odt document". The contents of the file indicate that the file is of type "OpenDocument Text". If I do a right-click, Open with... > Open Office Writer 3.1, it opens the file properly. 1. Did anybody already experienced that? 2. Do you know where I can manage the file types in GNOME? I have already added Open Office 3.1 as the default application to open such files (Right-click, Properties > Open With) Thanks in advance! Mathieu

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no valid partitiontables anymore
by Götz Reinicke - IT-Koordinator 12 Nov '09

12 Nov '09

Hi, recently I had to shut down an iscsi-raid an the connected servers. After the reinstallation and changing the ip config to match our new lan design, I can login to the iscsi device, the volumes are there and I can establish an iscsi link to some volumes. But, some other volumes on the iscsi device are reported with an invalid partition table or that they can't be mounted. e.g.: fdisk -l /dev/sdf Disk /dev/sdf: 53.6 GByte, 53687091200 Byte 64 heads, 32 sectors/track, 51200 cylinders Einheiten = Zylinder von 2048 × 512 = 1048576 Bytes Gerät boot. Anfang Ende Blöcke Id System /dev/sdf1 1 51200 52428784 83 Linux fdisk -l /dev/sdf1 Disk /dev/sdf1: 53.6 GByte, 53687074816 Byte 64 heads, 32 sectors/track, 51199 cylinders Einheiten = Zylinder von 2048 × 512 = 1048576 Bytes Disk /dev/sdf1 doesn't contain a valid partition table mount -t ext3 /dev/sdf1 /export/iscsi01-UDV1/ (lot of german information, e.g. wrong fs-type, damaged superblock ...) mount: Falscher Dateisystemtyp, ungültige Optionen, der Superblock von /dev/sdf1 ist beschädigt, fehlende Kodierungsseite oder ein anderer Fehler Manchmal liefert das Syslog wertvolle Informationen – versuchen Sie dmesg | tail oder so dmesg ... VFS: Can't find ext3 filesystem on dev sdf1. But I'm sure, about using ext3. The error message is the same with maount -t ext2 (for testing) Any hint would make my happy Thanks a lot an best regards, Götz -- Götz Reinicke IT-Koordinator Tel. +49 7141 969 420 Fax +49 7141 969 55 420 E-Mail goetz.reinicke(a)filmakademie.de Filmakademie Baden-Württemberg GmbH Akademiehof 10 71638 Ludwigsburg www.filmakademie.de Eintragung Amtsgericht Stuttgart HRB 205016 Vorsitzende des Aufsichtsrats: Prof. Dr. Claudia Hübner Staatsrätin für Demographischen Wandel und für Senioren im Staatsministerium Geschäftsführer: Prof. Thomas Schadt

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lvm and device nodes
by Götz Reinicke - IT-Koordinator 12 Nov '09

12 Nov '09

Hi, my iscsi volumes are all lvm created :-) But the server(s) dont have the device nodes any more. So how may I create tham again? Or ist there an lvm-tool (option) to do this for me? e.g. for: --- Logical volume --- LV Name /dev/VGJBOD01/lvol0 VG Name VGJBOD01 LV UUID IK35sK-bL9B-MeMv-2co6-XtOd-RCxK-lUpank LV Write Access read/write LV Status NOT available LV Size 4,77 TB Current LE 1251375 Segments 1 Allocation inherit Read ahead sectors auto Any hint would make my happy! Thanks a lot an best regards, Götz -- Götz Reinicke IT-Koordinator Tel. +49 7141 969 420 Fax +49 7141 969 55 420 E-Mail goetz.reinicke(a)filmakademie.de Filmakademie Baden-Württemberg GmbH Akademiehof 10 71638 Ludwigsburg www.filmakademie.de Eintragung Amtsgericht Stuttgart HRB 205016 Vorsitzende des Aufsichtsrats: Prof. Dr. Claudia Hübner Staatsrätin für Demographischen Wandel und für Senioren im Staatsministerium Geschäftsführer: Prof. Thomas Schadt _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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anyone tried firefox 3.5 under centos 5.4
by Janez Kosmrlj 12 Nov '09

12 Nov '09

? BR Janez

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PHP 5.2.x
by Craig White 12 Nov '09

12 Nov '09

I am trying to install GOsa and it seems to need PHP 5.2 So I searched CentOS Plus but no luck So I downloaded the src RPM from Fedora 11 and tried to build but got derailed early on in the process with these errors... + cat /usr/share/aclocal/libtool.m4 \ /usr/share/aclocal/ltoptions.m4 \ /usr/share/aclocal/ltsugar.m4 \ /usr/share/aclocal/ltversion.m4 \ /usr/share/aclocal/lt~obsolete.m4 cat: /usr/share/aclocal/ltoptions.m4: No such file or directory cat: /usr/share/aclocal/ltsugar.m4: No such file or directory cat: /usr/share/aclocal/ltversion.m4: No such file or directory cat: /usr/share/aclocal/lt~obsolete.m4: No such file or directory error: Bad exit status from /var/tmp/rpm-tmp.28181 (%build) and I can't figure out where those might come from with yum provide/search Are there reliable repositories for PHP 5.2 for CentOS 5? Is there some way I can get this to build on CentOS 5? Craig -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

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32bit development on x86-64
by Roger K. Wells 11 Nov '09

11 Nov '09

We develop software and are beginning a slow transition from 32 bit applications to their 64 bit equivalents. During this period it will be necessary to build programs targeted for both environments using the x86-64 machines for development. here is a simple/small "application", sizes.c: #include <stdio.h> #include <stdlib.h> int main(int argc, char **argv) { printf("Various sizes:\n"); printf(" short = %d\n", sizeof(short)); printf(" int = %d\n", sizeof(int)); printf(" long = %d\n", sizeof(long)); printf(" float = %d\n", sizeof(float)); printf(" double = %d\n", sizeof(double)); return 0; } if I build it using: gcc -m32 -Wall -osizes sizes.c there are no warnings or complaints and a functioning 32 bit program runs, giving the size of a long as 4 bytes. (Of course without the m32 flag the size of long is 8 bytes.) if I try to do the equivalent in two steps: gcc -c -m32 -Wall sizes.c gcc -osizes -Wl,-m,elf_i386 sizes.o the result is: /usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/4.1.2/libgcc.a when searching for -lgcc /usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/4.1.2/libgcc.a when searching for -lgcc /usr/bin/ld: cannot find -lgcc collect2: ld returned 1 exit status there is some confusion in the man pages as to whether the correct 32 bit emulation is elf_i386 or i386linux so: gcc -osizes -Wl,-m,i386linux sizes.o gives result: /usr/bin/ld: unrecognized option '--eh-frame-hdr' /usr/bin/ld: use the --help option for usage information collect2: ld returned 1 exit status since the single line command works it seems that there must be a way to get the job done. This becomes important when there are many source files and use of a traditional makefile is involved where compiling and linking are separate steps. Thanks in advance for reading this, roger wells -- Roger Wells, P.E. SAIC 221 Third St Newport, RI 02840 401-847-4210 (voice) 401-849-1585 (fax) roger.k.wells(a)saic.com

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Discuss November 2009