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Mark facility in CentOS
by Daniel Bareiro 16 Aug '10

16 Aug '10

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi all! This is my first message to the list. Some time ago I'm user of Debian GNU/Linux and recently I also started to use CentOS GNU/Linux. Does anyone know how to enable the mark facility on CentOS? According to what I was seeing, unlike Debian GNU/Linux, which uses rsyslog, CentOS still uses the traditional syslog where the parameters to be passed to the daemon are taken from /etc/sysconfig/syslog and the default configuration is: SYSLOGD_OPTIONS="-m 0" So, no time stamps are added. As I watched in the man pages for syslog, I tried removing the zero assuming it would take the default of 20 minutes, but I get a error message suggesting to put a numerical value following the "-m". I tried also with "-m 20" and nothing happens. Same result if, besides that, I put in the /etc/syslog.conf: *.info;mail.none;authpriv.none;cron.none,mark.* /var/log/messages ^^^^^^ aggregate Any idea what might be missing? Thanks in advance for your reply. Regards, Daniel -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkxomwUACgkQZpa/GxTmHTfQvQCgi2LlLgwDbBlHBrx7NEakqkwk 2SsAniEylf0DvoWCKVvZf9xpdc2m2R9j =eOlp -----END PGP SIGNATURE-----

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how many folks are *seriously* using ACLs?
by Robert P. J. Day 16 Aug '10

16 Aug '10

i'm just curious -- how many people here are using ACLs as a regular and significant part of their sys admin? rday -- ======================================================================== Robert P. J. Day Waterloo, Ontario, CANADA Top-notch, inexpensive online Linux/OSS/kernel courses http://crashcourse.ca Twitter: http://twitter.com/rpjday LinkedIn: http://ca.linkedin.com/in/rpjday ========================================================================

7 8

best ways to do mysql backup
by Agnello George 16 Aug '10

16 Aug '10

we have multiple servers approx 10 and each has about 100 GB of data in the /var/lib/mysql dir , excluding tar , mysqldump and replication how do we take backup for these databases on to a remote machine and store them datewise , ( the remote machine is a 2TB HDD ) currently tar is not feasible as the data is too huge and the same goes with mysqldump suggestion will be of great help -- Regards Agnello D'souza

10 11

Ethernet Quad
by Daniel Bruno 16 Aug '10

16 Aug '10

Hello, Someone can indicate some Ethernet device Quad 10/100 to use with CentOS 5.x? Thanks, -- Daniel Bruno http://danielbruno.eti.br

9 9

Yum broken after x86_64 upgrade
by listmail 16 Aug '10

16 Aug '10

Hi All, I just upgraded a machine from CentOS 5.3 32-bit to CentOS 5.5 x86_64 using the updater on the release disk. Now that the machine is running 64-bit, I notice that Yum is broken, failing with the following error: ~~~ There was a problem importing one of the Python modules required to run yum. The error leading to this problem was: /usr/lib/python2.4/site-packages/rpm/_rpmmodule.so: wrong ELF class: ELFCLASS32 ~~~ OK, so I thought I could fix this by installing the dependency. After digging through a bunch of cascading dependencies using rpm, I got to the elfutils, which didn't want to install until I used the --ignorearch switch on rpm. However, when I try to install the 64-bit version of rpm-libs on top of that, I still get the complaint about the failed dependency on elfutils. My first question is: Would I be better off just wiping the machine and installing from scratch at this point, or is there some sane way to get yum reconstructed? And the second question: did I make a mistake by assuming that the upgrade system would work as it should, or is this just a bug in the upgrade system? And to my first question, does anyone know what else the updater is likely to have broken? Thanks, --Bill

3 6

uuid problem while compiling glue
by Tang Jianwei 14 Aug '10

14 Aug '10

Hi guys I got the errors like this while compiling cluster glue: ./.libs/libplumb.so: undefined reference to `uuid_parse' ./.libs/libplumb.so: undefined reference to `uuid_generate' ./.libs/libplumb.so: undefined reference to `uuid_copy' ./.libs/libplumb.so: undefined reference to `uuid_is_null' ./.libs/libplumb.so: undefined reference to `uuid_unparse' ./.libs/libplumb.so: undefined reference to `uuid_clear' ./.libs/libplumb.so: undefined reference to `uuid_compare' collect2: ld returned 1 exit status gmake[2]: *** [ipctest] Error 1 gmake[2]: Leaving directory `/root/Reusable-Cluster-Components-glue-1.0.5/lib/clplumbing' gmake[1]: *** [all-recursive] Error 1 gmake[1]: Leaving directory `/root/Reusable-Cluster-Components-glue-1.0.5/lib' make: *** [all-recursive] Error 1 and here is the output when I run ./configure: configure: creating ./config.status config.status: creating Makefile config.status: creating config.h config.status: config.h is unchanged config.status: executing depfiles commands cluster-glue configuration: Version = 1.0.6 (Build: 1c87a0c58c59fc384b93ec11476cefdbb6ddc1e1) Features = Prefix = /usr Executables = /usr/sbin Man pages = /usr/man Libraries = /usr/lib Header files = /usr/include Arch-independent files = /usr/share Documentation = /usr/share/doc State information = /usr/var System configuration = /usr/etc Use system LTDL = no HA group name = haclient HA user name = hacluster CFLAGS = -g -O2 -ggdb3 -O0 -fgnu89-inline -fstack-protector-all -Wall -Waggregate-return -Wbad-function-cast -Wcast-qual -Wcast-align -Wdeclaration-after-statement -Wendif-labels -Wfloat-equal -Wformat=2 -Wformat-security -Wformat-nonliteral -Winline -Wmissing-prototypes -Wmissing-declarations -Wmissing-format-attribute -Wnested-externs -Wno-long-long -Wno-strict-aliasing -Wpointer-arith -Wstrict-prototypes -Wwrite-strings -ansi -D_GNU_SOURCE -DANSI_ONLY -Werror Libraries = -lbz2 -lxml2 -lc -lrt -ldl -L/lib -lglib-2.0 Stack Libraries = I found that some one said that maybe I need libuuid-devel. but when I tried to install libuuid-2.17.2-4.el6.i686.rpm and libuuid-devel-2.17.2-4.el6.i686.rpm I still got this: # rpm -ihv libuuid-2.17.2-4.el6.i686.rpm libuuid-devel-2.17.2-4.el6.i686.rpm warning: libuuid-2.17.2-4.el6.i686.rpm: Header V3 RSA/SHA256 signature: NOKEY, key ID f21541eb error: Failed dependencies: rpmlib(FileDigests) <= 4.6.0-1 is needed by libuuid-2.17.2-4.el6.i686 rpmlib(PayloadIsXz) <= 5.2-1 is needed by libuuid-2.17.2-4.el6.i686 rpmlib(FileDigests) <= 4.6.0-1 is needed by libuuid-devel-2.17.2-4.el6.i686 rpmlib(PayloadIsXz) <= 5.2-1 is needed by libuuid-devel-2.17.2-4.el6.i686 what should I do to fix those problems? you will be very appreciated for any suggestion. thank you -- Tang Jianwei

2 4

ATI mobility Radeon HD 5470
by sync 14 Aug '10

14 Aug '10

Hi , guys: I have a new Acer laptop and I have installed CentOS 5.5 x86_64 bit. The problem is that there is no driver for the ATI mobility radeon HD5470 and the graphic is so bad! On amd-ati website I have found the catalyst driver version 10.2 butit seems not to be the correct solution. The current screen resolution is 1024x768, but my laptop is widescreen and the best screen resolution is 1366x768. Do you have any suggestion? Thanks in advance .... [image: Reply With Quote]<http://ubuntuforums.org/newreply.php?do=newreply&p=8970366>

5 9

upgrading storage on hardware RAID 10 possible?
by Rudi Ahlers 13 Aug '10

13 Aug '10

Hi all, Can anyone please tell me, from experience, if it's possible to upgrade the hard drives in a RAID 10 system from 250GB HDD's to 500GB / 750GB HDD's, while the server is running? The server runs CentOS 5.5 x64. Our hardware vendors simply always say no, so we never actually tried doing this, and when a client needed an upgrade like this we had to build a new server with the same spec and larger hard drives and then migrate the data across, which can sometimes take a few days to complete (due to DNS & MAC address caches). So, I'm wondering, is it possible (and safe) to upgrade the existing drives to larger drives in a running server? I know we're done this with Linux's software RAID many times with great success. But I don't want to take a risk if it's not possible. The amount of effort and upfront costs for a new server makes hardware RAID far more expensive than it's reliability, which Linux's software RAID offers equally so I'm beginning to think we should just move all the servers to software RAID in the future as well. -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://Blog.SoftDux.com Office: 087 805 9573 Cell: 082 554 7532

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CentOS 5.5 latest revisions seem really slow
by Mark 13 Aug '10

13 Aug '10

I recently updated to OpenOffice 3.2 and I noticed that it, and the latest Evolution, seem to be incredibly slow for some operations. E.g., in OO, about half the time when I'm editing something, it takes anywhere from 10-30 seconds for OO to respond to a click on one of the icons or menu items, and Evo is taking forever to format messages. During these times the gnome-system-monitor icon on my panel is showing almost no activity, and if I expand it to the full window, it shows the same. Is anyone else seeing this? I'm running the x86_64 release on an Athlon II X4, 2.6GHz with 4GB of memory and lots of available space in memory and on disk. Thanks in advance. Mark

5 21

preupgrade
by Charles Campbell 13 Aug '10

13 Aug '10

Hello! Just thought I'd present this problem for comment/help/hints: * want to upgrade from Fedora Core 11 to 13 * I have a 64-bit system with Vista as a host o/s, running VMWare, and FC11 as a client o/s * cloned my FC11 as a backup * ran preupgrade, got expected problem with 200MB /boot, but preupgrade said that it could continue downloading (presumably to the larger partition) so I did * preupgrade told me to reboot, so I did * began upgrade process; ran Test. First oddity: Test said it was testing media for FC10 , but test passed. * Problem#1: after test finished, upgrade wanted me to install a disk. There is no such disk -- preupgrade put the upgrade information mostly into /boot, I presume. * had to shutdown the upgrade process * rebooted (I figured I'd try skipping the test this time) * Problem#2: not running upgrade, instead just does a normal boot into FC11 In inspecting /boot, I see a fair amount of upgrade info there. The help for this indicates that I should be using grub to select the upgrade; there is no grub since FC is running as a virtual machine client. At this point I'm considering downloading FC13, writing DVDs, and doing a new virtual client. I was hoping to avoid all that, especially as my FC11 has never recognized the DVD writer drive, so I'll end up having to do it from another machine. Regards, Chip Campbell

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