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Red Hat Enterprise Linux 5 and CentOS 5 extras packages
by Dag Wieers 15 Mar '07

15 Mar '07

Hi, In the advent of RHEL5 and CentOS 5, I've been rebuilding the RPMforge packages for EL5. You can find these at the usual location[*]. A few points though: + Not all RPMforge packages are available at this time + If you find a package that you need and isn't there, please do look at the buildlogs and send me instructions on how to fix this specific build. (Saves us time having to go through it ourselves) + Upgrading from RHEL4 to RHEL5 using Anaconda does work. Even when people do not recommend it for various reasons. You should be able to update your packages directly to EL5. If you find that some EL4 package is not replace by its EL5 counterpart, let me know. + If you see FC6 tagged packages, don't panic ! These are official RHEL5 packages. RPMforge does not provide fc6-tagged packages for RHEL5. ANd we do not recommend installing these (even if they seem to work). Enjoy RHEL5 ! PS To me it looks like it could finally replace the current desktop OS of relatives. (low-risk updates, security fixes for 7 years, no changing parts) [*] http://dag.wieers.com/rpm/ http://apt.sw.be/redhat/el5/en/ http://apt.sw.be/redhat/el5/en/i386/dag/repodata/ Kind regards, -- dag wieers, dag(a)wieers.com, http://dag.wieers.com/ -- [all I want is a warm bed and a kind word and unlimited power]

3 4

Replacing a hard drive
by Bowie Bailey 14 Mar '07

14 Mar '07

I have a CentOS 4.4 system where all of the main filesystems are on a single hard drive. This drive is starting to give some errors, so I got a new (larger) drive to replace it with. What is the easiest way to copy my filesystems over to the new drive? I considered using dd, but I lose the extra capacity of the new drive that way. I tried using SystemImager, but it is giving me some errors. I think the easiest way may be to boot from the LiveCD, recreate the partitions, copy the info with rsync and then fix the boot partition and grub. Any tips or pointers to a good how-to? -- Bowie

4 7

Extra Packages for Enterprise Linux (EPEL) Repo
by Phil Schaffner 14 Mar '07

14 Mar '07

May want to check out the new Fedora-Extras-based EPEL repo. There will be overlap with KBS repos (in fact they cite karan.org as an example of rebuilding Fedora Extras packages for EL4), RPMforge, etc. so be wary as of any other 3rd party repo. The Wiki page says "The EPEL repository is not yet publicly available -- we are in the process of creation and initial testing phase."; however, it is live. If you are using the C5 Beta, hard-code $releasever as 5 below. Phil ------------------------- /etc/yum.repos.d/EPEL.repo ----------------------------------- # Name: EPEL RPM Repository for Red Hat Enterprise $releasever # URL: http://www.fedoraproject.org/wiki/EPEL/ [epel] name = Red Hat Enterprise $releasever - EPEL baseurl = http://download.fedora.redhat.com/pub/epel/$releasever/$basearch/ enabled = 1 protect = 0 gpgkey = http://download.fedora.redhat.com/pub/epel/RPM-GPG-KEY-EPEL gpgcheck = 1

2 1

Re: [CentOS] CentOS vs. RHEL Advanced Platform
by Jeff 14 Mar '07

14 Mar '07

The faq does not cover the new versions of RHEL 5. Thank you anyway. http://centos.org/modules/smartfaq/faq.php?faqid=31-- Matthew MartzCentOS Mirror Adminmdmartz(a)gflug.net _______________________________________________ Join Excite! - http://www.excite.com The most personalized portal on the Web!

1 0

Dell Desktop Linux Survey
by Johnny Hughes 14 Mar '07

14 Mar '07

All, Dell is running a Linux survey for Linux desktop machines. If you use Linux on the desktop and would like to see it supported by Dell ... take the survey. Selecting "Other" and inputing CentOS would be appreciated for the distribution as well. http://www.dell.com/content/topics/survey.aspx/ss?ssid=OeAjvuto67E~&s=corp Thanks, Johnny Hughes

3 2

LVM performance with snapshots
by t m 14 Mar '07

14 Mar '07

I've been experimenting with LVM and snapshots under Centos 4.4 recently, and have found performance to be horrible while a snapshot of a logical volume exists. I expected some performance degradation with a snapshot in place due to my understanding of the copy-on-write behavior, but my system becomes almost unusable when writing to my system with a snapshot in place. For example, I can write a 4 gigabyte file in about 16 seconds with no snapshots in place, but the same file either takes about 4 minutes to write, or my systems seems to hang when a snapshot exists. The top and iostat commands seem to show very high iowait times and very low actual I/O throuhput, and pdflush seems to be quite busy doing something. Removing the snapshot immediately brought performance back to normal. Are LVM snapshots not recommended with Centos, or are there recommended ways to tune it for better performance? Thanks for any input!

2 1

Bind configuration
by Devraj Mukherjee 14 Mar '07

14 Mar '07

Hi everyone, I know this is probably the wrong forum to ask this question, but is there someone who has a working BIND configuration file that they are willing to share. Thanks. -- "I never look back darling, it distracts from the now", Edna Mode (The Incredibles)

4 3

What is the stack size?
by Robert Moskowitz 14 Mar '07

14 Mar '07

I am installing the hsfmodem drivers for my ALI 5457 softmodem from http://www.linuxant.com/drivers/hsf/full/downloads-rhel40-i686.php The following warning is supplied: *Note:* The default stack size in original Red Hat Enterprise Linux 4.0 kernels is only 4K. Because some drivers require more stack space to operate properly, we recommend using a kernel with a larger stack size if you experience problems or crashes. You can either rebuild your own custom kernel, or *get one of our replacement "stk16" kernels provided for your convenience* <http://www.linuxant.com/drivers/hsf/full/downloads-rhel40-kernel-i686.php>. They are identical to the Red Hat kernels, except that the stack size was increased to 16K. I ASSuME that Centos 4 also has a 4K stack? Should I increase my stack size to 16K and if so, how?

2 1

How to enable mysql support on php 5
by Ern jura 14 Mar '07

14 Mar '07

I am using php 5.1.6 and mysql 5.0 on 4.3 centos on running phpinfo mysql is shown as not supported how can I enable mysql support on php 5

3 3

Problem with Promise Ultra100 controllers & 2.6.9-42 kernel
by Lee Parmeter 14 Mar '07

14 Mar '07

When I boot my Centos home file server with the latest kernel, 2.6.9-42.0.10.EL, the two Promise controllers installed in the system are unable to enable the 2nd IDE Channel on both cards due to a memory conflict. The error indicates that the next block of memory is already allocated. So the 2nd IDE channel on each card does not get enabled. Listing of the two controllers is below: 00:09.0 Mass storage controller: Promise Technology, Inc. PDC20267 (FastTrak100/Ultra100) (rev 02) 00:0a.0 Mass storage controller: Promise Technology, Inc. PDC20268 (Ultra100 TX2) (rev 02) Looking at "config-2.6.9-42.0.10.EL", the driver is enabled and compiled into the kernel. Both IDE channels on both controllers are enabled OK on the previous installed kernel which is 2.6.9-34.0.1.EL. Kernels before did not exhibit the current problem either. Anyone seen a similar problem or aware of a remedy? Any assistance would be appreciated. -Lee ____________________________________________________________________________________ Finding fabulous fares is fun. Let Yahoo! FareChase search your favorite travel sites to find flight and hotel bargains. http://farechase.yahoo.com/promo-generic-14795097

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