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best URL for tuning for maximum connections, fds, etc.
by Larry Vaden 25 Jul '06

25 Jul '06

If list members know of a good URL for tuning Centos or Linux servers which face high demands for concurrent connections, large numbers of fds, etc., please advise. thnx/rgds/ldv

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RE: [CentOS] All screwed up
by Alex Palenschat 25 Jul '06

25 Jul '06

> > Sam, I don't think clamav is part of centos. I ended up using > > Karanbir's Centos Extras repo (centos.karan.org I believe). > > > > alex > > > > > You are probably correct Alex. I do have the extras repo enabled. > > -sam Hmmm. Now I am confused. I guess I just realized that there is an "extras" repo in the stock CentOS yum config. I used the repo file that I retrieved from the above URL. There are not the same are they? Sorry if that is a thread hijack ;) alex

1 0

Building a new 2.6 kernel
by John Warren 25 Jul '06

25 Jul '06

I needed more serial ports that the basic CentOS Version 4 system is built to use so I'm using the following kernel build instructions to build the new 2.6 kernel: http://www.hylafax.org/content/Handbook:Basic_Server_Configuration:Modem-sp… fic_Guidance I believe the procedure is correct but the kernel is not building. I used the "kernel-2.6.9-34.EL.src.rpm file that I found on one of the CentOS mirrors. Here are the problems that I've had so far. 1) The correct architecture to use. Does anyone know which architecture should be used for the Dell 2650 Dual Xeon processor? I thought the correct configuration file would have been "kernel-2.6.9-i686-smp.config". I've also tried "kernel-2.6.9-i586-smp.config" and run into the same problems. 2) When it built the rpm it was named "kernel-2.6.934.ELcustom-1.i386.rpm" but I would have expected it to be named "kernel-2.6.9-34.ELcustom-1.i386.rpm". Was it build using the correct name or might something be misconfigured. 3) When I entered the following command: "rpm -i /usr/src/redhat/RPMS/i386/kernel-2.6.934.ELcustom-1.i386.rpm" I get the following error: "error: Failed dependencies: kernel >= 2.6.10 conflicts with lksctp-tools-1.0.2-6.4E.1.i386" The "kernel >= 2.6.10" does not make sense but I was wondering if it had anything to do with the file being named kernel-2.6.934.... or is there some other problem I should be looking for? Ideas anyone? John Warren Network Operations Administrator Prudent Rx Inc. 100 Corporate Pointe, Suite 395 Culver City, CA 90230 P: +1 (310)642-1700 x121 F: +1 (310)642-1701 e: jwarren(a)prudentrx.com **Notice of Confidentiality** Please note that the information contained in this message may be privileged and confidential and protected from disclosure under the law, including the Health Insurance Portability and Accountability Act (HIPAA). If the reader of this message is not the intended recipient, or an employee or agent responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited and may subject you to criminal or civil penalties. If you have received this communication in error, please notify the sender by replying to the message and delete the material from any computer. Thank you, Prudent Rx, Inc.

5 17

All screwed up
by Sam Drinkard 25 Jul '06

25 Jul '06

I've apparently made a mess of clamav. Tried uninstalling it, and excluded it from dag's repo. Now, when I yum install clamav and clamav-server, I'm apparently missing all the libs, data and so forth. Can someone tell me what I need to do to get this back ? I probably blew all the old stuff away during the update or later, and don't have a clue as to why it's not doing what it's supposed to now. TIA -- Sam W.Drinkard -- sam(a)wa4phy.net NOAA Cooperative Observer http://wa4phy.net Augusta Area Mesonet

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RE: [CentOS] Cron not sending e-mails anymore
by Mark Schoonover 25 Jul '06

25 Jul '06

Ugo Bellavance wrote: > Hi, > > I have a cronjob that executes a script that has some echo statements > in it and the commands in it also generate output (it copies files, > reloads services, etc...). > > Recently, cron stopped sending its output by e-mail. I restarted > cron, without success. Any ideas where I shoud start to debug this? > Ugo, What happens when you run the scripts manually?? That's how I debug scripts that are run from cron... HTH Mark

4 3

RPM questions about trying to build php-ldap --with-ldap-sasl
by Michael B Allen 25 Jul '06

25 Jul '06

Hello CentOS People, I'm trying to build the php-5.0.4-5 subpackage 'php-ldap' from the centosplus repo --with-ldap-sasl. Strangly the stock php-ldap package is linked with libsasl2 et al but the ldap_sasl_bind PHP function is not available which leads me to conclude that it was not built --with-ldap-sasl. To this end, can anyone help with the following questions: 1) The php-5.0.4-5.centos4.src.rpm builds 17 packages. Is there anyway to instruct rpmbuild to only build 1 of those packages? Is there a way to hack the php.spec to only build 1 package? 2) Is there a way to specify a configure option with rpmbuild? I know PHP's configure accepts --with-ldap-sasl but trying to simply pass that as an argument to rpmbuild does not work. 3) Where is config.log? After running rpmbuild it is nowhere to be found. 4) I suspect I will need to experiment with changing the .src.rpm contents and rebuilding the package(s). However, because rpmbuild unpacks the archive anew each time, it overwrites any changes I attempt to make. Is there a way to instruct rpmbuild to build from an existing build dir? Thanks, Mike -- Michael B Allen PHP Extension for SSO w/ Windows Group Authorization http://www.ioplex.com/

3 2

Support for SIS761GX video
by Matt Arnilo S. Baluyos (Mailing Lists) 25 Jul '06

25 Jul '06

Anyone here who has tried running CentOS x86_64 on newer hardware like motherboards based on the SIS761GX chipset (AM2 socket)? My display adapter isn't detected and downgrades to VESA. -- Stand before it and there is no beginning. Follow it and there is no end. Stay with the ancient Tao, Move with the present.

1 0

CentOS4.3: Upgrade Python for Zope&Plone
by Ben 25 Jul '06

25 Jul '06

Hi, I need to upgrade Python to at least 2.3.5, (but 2.4.3 would probably be better), to run Zope & Plone. Is it possible to replace the current version without breaking anything? or should I run two versions in parallel? What's the best way to go about doing this? Ben (please CC me in responses as I use digest)

4 6

i need help about centos and dell poweredge 2800
by Roberto Barrientos Molina 24 Jul '06

24 Jul '06

i, someone can help me with migration from redhat 4 to centos 4 with a dell poweredge machine in RAID 5. i have sequence from old mailist than can migration from redhat 3 yo centos 3 with the next sequence, from Ted Targosz: #### we performed the following steps to migrate a RHEL 3.0 machine to centos 3.7 backup all data Import GPG Keys: rpm --import http://mirror.centos.org/centos/3.7/os/i386/RPM-GPG-KEY-CentOS-3 Install yum: rpm -Uvh --nodeps http://mirror.centos.org/centos/3.7/os/i386/RedHat/RPMS/yum-2.0.8-1.centos.… http://mirror.centos.org/centos/3.7/os/i386/RedHat/RPMS/centos-yumconf-1-11… http://mirror.centos.org/centos/3.7/os/i386/RedHat/RPMS/centos-yumcache-3.1… Update Release information: rpm -e redhat-release-3ES-13.6.2 && rpm -ivh http://mirror.centos.org/centos/3.7/os/i386/RedHat/RPMS/centos-release-3-7.… then just: yum upgrade and voila, after all downloaded and installed (and a reboot because of kernel upgrade)...we were running on Centos 3.7 (and getting free updates/patches) #### question: i can do the same procedure with redhat 4 to centos 4 ?? i read a lot, lot lot info doc, and i try my own move, like: #linux update #linux upgradeany ..etc..the result is kernel panic... that all.. i hope some help. Thanks Roberto.-

2 1

Installed plus kernel, kudzu did not see atheros wifi
by Robert Moskowitz 24 Jul '06

24 Jul '06

I took the dive and installed the CentosPlus kernel. I remembered that I could always boot with the old kernel if things went south. But on reboot, kudzu wanted to delete the Atheros config. I told it not to, but.... Would a simple 'freshen' of madwifi-0.9.1-24.el4.at.i386.rpm ? an rpm -qa |grep wifi returns: madwifi-kmdl-2.6.9-34.0.2.EL-0.9.1-24.el4.at madwifi-0.9.1-24.el4.at madwifi-hal-kmdl-2.6.9-34.0.2.EL-0.9.1-24.el4.at

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