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openldap-2.3.43 and db4-utils - DB_VERSION_MISMATCH
by Götz Reinicke - IT-Koordinator 08 Mar '10

08 Mar '10

Hi, I just started to set up a test ldap server and followed some tutorials. One topic is the tuning/monitoring of the bdb. So I installed the db4-utils and executed a "db_stat -h /var/lib/ldap/ -m". The answere is no stat, but: db_stat: Program version 4.3 doesn't match environment version db_stat: DB_ENV->open: DB_VERSION_MISMATCH: Database environment version mismatch The systemsetup is a basic, fresh centos 5.4 isntallation. So why do I get this message? db4-4.3.29-10.el5 db4-utils-4.3.29-10.el5 openldap-servers-2.3.43-3.el5 Thanks and best regrads, 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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CentOS server running java - won't let go of swap
by Sean Carolan 08 Mar '10

08 Mar '10

I'm monitoring some CentOS 5 servers running Sun Java. We have set things up so 2048 MB of RAM are available for the base operating system, taking into account the xMx and permgen settings. What we're seeing is the swap space getting used up, and not released. Is this normal behavior? Performance doesn't seem to be affected, however I'm a bit concerned that the swap file is completely full: free -m total used free shared buffers cached Mem: 9993 9945 48 0 174 1695 -/+ buffers/cache: 8074 1919 Swap: 2047 2033 14 Here are the xMx and permgen settings: -Xms7177m -Xmx7177m -XX:MaxPermSize=768m Apart from Java/Tomcat/Apache and some HP hardware monitoring tools we are not running anything else on this server.

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Solutions Linux : Paris, March 16th - 18th
by Niki Kovacs 08 Mar '10

08 Mar '10

Hi, Will CentOS be present at the "Solutions Linux" fair in Paris ? Other question. I'm currently re-reading "The Definitive Guide to CentOS". The book's introduction mentions 10 million CentOS users worldwide. Wow! I wouldn't have expected that much. How do you get this figure? By the number of downloads? Cheers, Niki

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Looking for Newsletter Stuff
by Geerd-Dietger Hoffmann 08 Mar '10

08 Mar '10

Hey I want to start the next Newsletter early so it can be a little more relaxed. The next release will be the 1. April. I really need someone to *interview*, just drop me a mail and I will send you a few questions. This can be anyone from the community that has some sort of CentOS install. And then I want to introduce a new section called DeskShot where users can show off their workplaces. Something around the lines of [1] [2] Comments, like always welcome :) Cheers Didi [1] http://picasaweb.google.com/ribalba/CernWork#5165470488379454594 [2] http://i790.photobucket.com/albums/yy187/ribalba/CIMG0027.jpg Feel free to obfuscate anything to personal -- Hoffmann Geerd-Dietger http://contact.ribalba.de

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Convert DHCP to static during kickstart
by Marcus Moeller 08 Mar '10

08 Mar '10

Hi all. is there an easy way to kickstart a system using DHCP, but then use the obtained settings to define static network configurations on the installed system? Best Regards Marcus

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Samsung f3 hd502hj and Centos 5.4
by Tom Bishop 08 Mar '10

08 Mar '10

Not sure if anyone has seen this probably not but thought that I would throw it out there, running centos 5.4 on a tyan s4985 and I wanted to add a hot swap drive cage to it so I added a supermicro cage and bought some drives, not wanting raid but something for storage and rsync backups. Well I decided to buy some of the newer samsung F3 hd502hj 500Gig hard drives, supposedly good performance for the price since they didnt have enough of them I bought some WD black 500G drives also. Well when I got everything back together I noticed that I was getting errors when centos was first trying to boot, the error was Comreset -16 sata1.... wash and repeat 4 times, then it did it a second time, finally it would time out and and start to boot. Once booted it did not see the 2 samsung drives but saw all of the other drives, didn't matter what channel etc...whether it was in the drive cage or not. I orginally thought it was the bios of the tyan board, which is bad, but to no avail. I finally booted one of the newer buntu livecd and all drives were picked up, so i wonder if it is a kernel issue..if anyone has any ideas or would like more info please let me know....other wise I will need to swap/sell some drives....Thanks. Here is the output from dmesg.... ***Failed**** ata7: SATA max UDMA/133 cmd 0x3048 ctl 0x303c bmdma 0x3010 irq 98 ata8: SATA max UDMA/133 cmd 0x3040 ctl 0x3038 bmdma 0x3018 irq 98 ata7: SATA max UDMA/133 cmd 0x3048 ctl 0x303c bmdma 0x3010 irq 98 ata8: SATA max UDMA/133 cmd 0x3040 ctl 0x3038 bmdma 0x3018 irq 98 ata7: link is slow to respond, please be patient (ready=0) ata7: COMRESET failed (errno=-16) ata7: link is slow to respond, please be patient (ready=0) ata7: COMRESET failed (errno=-16) ata7: link is slow to respond, please be patient (ready=0) ata7: COMRESET failed (errno=-16) ata7: limiting SATA link speed to 1.5 Gbps ata7: COMRESET failed (errno=-16) ata7: reset failed, giving up ata8: link is slow to respond, please be patient (ready=0) ata8: COMRESET failed (errno=-16) ata8: link is slow to respond, please be patient (ready=0) ata8: COMRESET failed (errno=-16) ata8: link is slow to respond, please be patient (ready=0) ata8: COMRESET failed (errno=-16) ata8: limiting SATA link speed to 1.5 Gbps ata8: COMRESET failed (errno=-16) ata8: reset failed, giving up

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upgrading 32-bit installation to 64-bit
by fred smith 07 Mar '10

07 Mar '10

Hi! I've got a 32-bit Centos installed on an AMD Phenom II X2 processor and I'm interested ni making it 64 bit instead. But I'd sure like to avoid having to go back thru the whole installation again... in part because I've got sotware RAID set up and I'm assuming that I can't do a fresh install into it without having to re-configure the whole thing. So, is it possible (and practical) to upgrade a 32 bit system to 64? Thanks! -- ------------------------------------------------------------------------------- .---- Fred Smith / ( /__ ,__. __ __ / __ : / / / / /__) / / /__) .+' Home: fredex(a)fcshome.stoneham.ma.us / / (__ (___ (__(_ (___ / :__ 781-438-5471 -------------------------------- Jude 1:24,25 ---------------------------------

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Re: [CentOS] is it possible to recover LVM drive from accidental Fdisk? [SOLVED]
by Rudi Ahlers 07 Mar '10

07 Mar '10

On Sun, Mar 7, 2010 at 8:50 AM, nate <centos(a)linuxpowered.net> wrote: > > re-create the original partition table, which is just a map, as long > as you haven't formatted or overwritten data everything should still > be there > > Also suggest if your not already doing it set your LVm partitons to > type 8e so it's obvious they are LVM > > [root@dc1-mysql001b:~]# fdisk -l /dev/sdc > > Disk /dev/sdc: 2197.9 GB, 2197949513728 bytes > 255 heads, 63 sectors/track, 267218 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > > Device Boot Start End Blocks Id System > /dev/sdc1 1 267218 2146428553+ 8e Linux LVM > > > nate > > _______________________________________________ > > Thanx Nate, I didn't know if this could damage the data or not, but it seems that I could get the data of the HDD :) The partitions (there's 4 of them) was still mounted on the sever ( I didn't even think to check this before I sent-off this email) and I could recover the data through the mounts. -- 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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is it possible to recover LVM drive from accidental Fdisk?
by Rudi Ahlers 07 Mar '10

07 Mar '10

Hi all, Does anyone know if it's possible to recover an LVM partition from a drive that was fdisked? I accidently fdisk'd the wrong drive (had to fdisk a lot of 160GB drivers from old servers and one still has important data on that client now wants) by running fdisk /dev/sdc & deleting the partitions. The drive is still in a another machine and hasn't been rebooted yet, but there's no no partition on it. -- 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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upgrading a wordpress install
by David Mehler 07 Mar '10

07 Mar '10

Hello, I'm running wordpress via rpm on centos 5.4 i believe it is. There's a new version out v .92 and am wanting to upgrade to it. I'm trying the automatic install and am being prompted for credentials. Googling shows this is most likely a permissions problem. I was wondering what the right permissions were to allow automatic upgrades of wordpress, plugins, and/or themes? Thanks. Dave.

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