Discuss April 2007

discuss@lists.centos.org

368 participants
444 discussions

max RAM support on CENTOS 4.3 (32 bits) ???
by mcclnx mcc 03 Apr '07

03 Apr '07

we have DELL 6800 server with 20GB RAM in it. We like to expand it to 64 GB. I checked Redhat web site and it say max memory is "Architecture & system dependent". Does anyone know what is Max RAM Redhat CENTOS 4.3 (32 bits) support? Thanks. ___________________________________________________ 您的生活即時通－溝通、娛樂、生活、工作一次搞定！ http://messenger.yahoo.com.tw/

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where are debuginfo packages for CentOS 4.4?
by David Thompson 03 Apr '07

03 Apr '07

I checked all the usual suspects without success. Specifically, I'm looking for debuginfo packages for the updates kernels. Thanks much, Dave Thompson UW-Madison

2 1

NTP
by Mike 03 Apr '07

03 Apr '07

Greets! Ok. I'm looking at a client that needs to keep their server time close as reasonably possible (within a minute) of the actual time of day. I've installed the RPM for NTP and I'm looking for tips on what the simplest setup should be, ie: What server(s) should I be using for sync? Should I just run it from a cron every 20 minutes or so? thx. Mike

10 14

Re: [CentOS] Centos 5 will have full NTFS read write support?
by David G. Miller 03 Apr '07

03 Apr '07

"Josep M." <mylinuxmaillists-2006(a)yahoo.es> wrote: > Hello Ralph. > > I was searching and was reading that after kernel 2.6.15 all kernels have full NTFS read/write support,(RHEL5 is 2.6.18) so, maybe I will have to rebuild this, I hope Redhat do not stripped this from kernel sources. > > Josep > > > Ralph Angenendt <ra+centos(a)br-online.de> escribió: Josep M. wrote: > >> > >> > Hello. >> > I have Centos 4.4 with the NTFS read-only driver from >> > http://www.linux-ntfs.org/content/view/135/71/ >> > I would like know if someone who installed this can test if Centos 5 can >> > read/write NTFS,. >> > > Not out of the box: > > [angenenr@shutdown ~]$grep -i ntfs /boot/config-2.6.18-8.el5 > # CONFIG_NTFS_FS is not set > [angenenr@shutdown ~]$ It wouldn't surprise me if NTFS was encumbered by some sort of Micro$oft intellectual property claim. This would be sufficient to cause Red Hat to not build their kernel with it even if all it takes to make it work is to enable the feature in the kernel build. See one of the many flame wars over MP3 or some other IP encumbered technology as to why RH won't include it (and risk getting sued). Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

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Centos 5 will have full NTFS read write support?
by Josep M. 03 Apr '07

03 Apr '07

Hello. I have Centos 4.4 with the NTFS read-only driver from http://www.linux-ntfs.org/content/view/135/71/ I would like know if someone who installed this can test if Centos 5 can read/write NTFS,. Thanks Josep --------------------------------- LLama Gratis a cualquier PC del Mundo. Llamadas a fijos y móviles desde 1 céntimo por minuto. http://es.voice.yahoo.com

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Changed: Was: Re: [CentOS] Beta question - initial install of packages Now: Turn off unneeded services after installation
by Lanny Marcus 03 Apr '07

03 Apr '07

>Date: Sun, 01 Apr 2007 05:38:20 -0500 >From: Johnny Hughes <mailing-lists(a)hughesjr.com> >Subject: Re: [CentOS] Beta question - initial install of packages >To: CentOS mailing list <centos(a)centos.org> >Message-ID: <1175423900.13599.88.camel(a)myth.home.local> >Content-Type: text/plain; charset="us-ascii" <snip> <Even with the mostly conservative default <settings, having services on your machine that you will never use makes <your machine ripe for break ins and a root kit. Amen. I have been installing Red Hat Linux (and now CentOS) since RH 7. After installing, I am always astonished at the unneeded services that upstream has running. Check services, after installing and stop the services you do not need!

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4.92 alsa compile issue
by Jerry Geis 03 Apr '07

03 Apr '07

I was trying to compile alsa 1.0.14rc3 on centos 4.92 and there are errors. I have informed alsa. They dont seem to happy redhat has once again messed up alsa with their custom kernel. Just FYI. Jerry CC [M] /usr/src/alsa-driver-1.0.14rc3/misc/ac97_bus.o In file included from /usr/src/alsa-driver-1.0.14rc3/misc/ac97_bus.c:1: /usr/src/alsa-driver-1.0.14rc3/misc/../alsa-kernel/ac97_bus.c:30: error: syntax error before "pm_message_t" /usr/src/alsa-driver-1.0.14rc3/misc/../alsa-kernel/ac97_bus.c:31: warning: function declaration isn't a prototype /usr/src/alsa-driver-1.0.14rc3/misc/../alsa-kernel/ac97_bus.c: In function `ac97_bus_suspend': /usr/src/alsa-driver-1.0.14rc3/misc/../alsa-kernel/ac97_bus.c:34: error: `dev' undeclared (first use in this function) /usr/src/alsa-driver-1.0.14rc3/misc/../alsa-kernel/ac97_bus.c:34: error: (Each undeclared identifier is reported only once /usr/src/alsa-driver-1.0.14rc3/misc/../alsa-kernel/ac97_bus.c:34: error: for each function it appears in.) /usr/src/alsa-driver-1.0.14rc3/misc/../alsa-kernel/ac97_bus.c:35: error: `state' undeclared (first use in this function) /usr/src/alsa-driver-1.0.14rc3/misc/../alsa-kernel/ac97_bus.c: In function `ac97_bus_resume': /usr/src/alsa-driver-1.0.14rc3/misc/../alsa-kernel/ac97_bus.c:45: error: too few arguments to function make[3]: *** [/usr/src/alsa-driver-1.0.14rc3/misc/ac97_bus.o] Error 1 make[2]: *** [/usr/src/alsa-driver-1.0.14rc3/misc] Error 2 make[1]: *** [_module_/usr/src/alsa-driver-1.0.14rc3] Error 2 make[1]: Leaving directory `/usr/src/kernels/2.6.9-42.0.10.EL-smp-x86_64' make: *** [compile] Error 2

2 1

CentOS + GNU Zebra
by Jordi Espasa Clofent 03 Apr '07

03 Apr '07

Hi folks, At work, we're considering the idea to replace the presente router with a stardard box with CentOS as a SO and GNU Zebra as a routing software. The line is a 4Mbps SDSL. ¿What do you think about Zebra and what are your experiencies with it? Any feedback will be so appreciated. TIA.

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CentOS 5 Dual Drive Confusion
by Brett Serkez 02 Apr '07

02 Apr '07

I performed a test install of CentOS Beta 5 on a system with two ~60 GB drives. When installing CentOS 4 on this system, I normally work thru setting up Software RAID with identically sized partitions on each drive. For my test, the CentOS installer only presented a single drive. I took the default of letting it do what it wanted. After looking over the system I have verified that /boot is using DMRAID, but it isn't not clear if the balance of the drive for the root file system is using both drives or not, I think it might be. Using fdisk, I can see both disks are carved out identically: Device Boot Start End Blocks Id System /dev/hda1 * 1 13 104391 83 Linux /dev/hda2 14 7297 58508730 8e Linux LVM /dev/hdd1 * 1 13 104391 83 Linux /dev/hdd2 14 7297 58508730 8e Linux LVM Using dmraid it *looks* like the drives are mirrored in total? dmraid -r -D /dev/hda: pdc, "pdc_bacfgfjaf", mirror, ok, 117231345 sectors, data@ 0 /dev/hdd: pdc, "pdc_bacfgfjaf", mirror, ok, 117231345 sectors, data@ 0 But then using df it is less obvious: df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 54G 1009M 50G 2% / /dev/mapper/pdc_bacfgfjafp1 99M 11M 83M 12% /boot tmpfs 125M 0 125M 0% /dev/shm pvs shows VolGroup00 as using pdc_bacfgfjafp2: PV VG Fmt Attr PSize PFree /dev/mapper/pdc_bacfgfjafp2 VolGroup00 lvm2 a- 55.78G 32.00M which is RAID1?????? Seems to be: dmraid -s *** Active Set name : pdc_bacfgfjaf size : 117231232 stride : 128 type : mirror status : ok subsets: 0 devs : 2 spares : 0 Am I properly understanding that by default, CentOS 5 is creating a full drive mirrored RAID? Then for other than the boot partition, it is laying LVM over this mirrored RAID, presumably to allow adjustments later? Thank you in advance, Brett

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Centos really slow as VMware Server guest OS..
by WipeOut 02 Apr '07

02 Apr '07

Hi.. Does anyone have any ideas how to speed up CentOS when its running as a guest OS under VMWare server?? It seems to be really slow...

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Discuss April 2007