Discuss March 2008

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300 participants
373 discussions

First official release candidate of the com.oonics open shared root cluster installation DVD is available (RC3)
by Marc Grimme 20 Mar '08

20 Mar '08

Hello, we are very happy to announce the availability of the first official release candidate of the com.oonics open shared root cluster installation DVD (RC3). The com.oonics open shared root cluster installation DVD allows the installation of a single node open shared root cluster with the use of anaconda, the well known installation software provided by Red Hat. After the installation, the open shared root cluster can be easily scaled up to more than hundred cluster nodes. You can now download the open shared root installation DVD from www.open-sharedroot.org. We are very interested in feetback. Please either file a bug or feature or post to the mailinglist (see www.open-sharedroot.org). More details can be found here: http://www.open-sharedroot.org/news-archive/availability-of-first-beta-of-t…. Note: The download isos are based on Centos5.1! Have fun testing it and let us know the outcome. -- Gruss / Regards, Marc Grimme http://www.atix.de/ http://www.open-sharedroot.org/

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Intel SATA controller (cmiiw) not recognized by Centos 5.1 installation?
by Yu-Hui Jin 20 Mar '08

20 Mar '08

Hi, there, I tried to install Centos 5.1 on a Dell Inspiron 530 box I just bought, but failed due to invalid drive. The installation did not recognize either the DVD nor the hard disk. Joseph from the community said it is likely that Centos can't recognize the controller -- Intel SATA controller (cmiiw). Did anyone solve this problem before? How did you do it? Here's the related configuration for my box: Inspiron 530 Intel Core2 processor Q6600 (2.40Ghz 1066FSB) w/Quad Core Technology and 8MB cache SATA 0: Samsung HD501LJ (500GB Serial ATA II Hard Drive(7200RPM)) SATA 1: PDBS DVD +/- RW DH-16W1S (16X DVD+/-RW Drive) Many thanks! regards, -Hui

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mail_always fails in CentOS 5
by Eric DuToit 20 Mar '08

20 Mar '08

I'm using the same sudoers file for all hosts. Out of 35 hosts, 14 are CentOS 5, the rest are CentOS 4. There are mixtures of MTA's on both platforms but the behavior is consistent. Here is the snip of my sudoers: Defaults mail_always Defaults mailto="mail(a)domain.com" Works fine in CentOS 4, doesn't even produce a blip in the maillog in CentOS 5 on all servers. Outbound mail tested and working on all boxes. Does anyone else see this behavior?

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which open source wiki CMS?
by Simon Jolle sjolle 20 Mar '08

20 Mar '08

Hi Centos Users I am searching for an Open Source Wiki CMS based on PHP/MySQL. There are so much out there, thats why feel free to share you experience. Please review your favorite Wiki software. Code quality, security, features and continuous, stable development. cheers Simon

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Incremental backups?
by Scott R. Ehrlich 20 Mar '08

20 Mar '08

So I thought I'd get a head start for next week - I have a low-power Linux box that has a few samba shares mounted, and limited hard disk space. This box is connected to a tape library via SCSI card. I want to find the best way to create a full, then incremental backup of the samba mounts, directly to tape. Some of the samba mounts are appliances that cannot run any special client/agent. I'm looking at tar as an option, with its --incremental switch. Bacula uses a mysql database. I tried setting it up and it was not so easy, so I opted to use my time for other tasks. Same for Amanda. I would use dump, but samba connections are not device files. How about rsync? The tape library is LTO3 with hardware compression available. Google searching just now doesn't make rsync directly to tape too hopeful. What are the simplest options for incrementals based on date/time modified? Thanks. Scott

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CentOS 5.1 - Postfix Mysql
by Tom Brown 19 Mar '08

19 Mar '08

Hi I am building a new box and i want to get away from hand rolled stuff this time and i need Postfix with MySQL support compiled in - Is this available anywhere already built? thanks

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Making a CentOS livecd bootable on a flash drive
by Joseph L. Casale 19 Mar '08

19 Mar '08

I was following the guide at https://projects.centos.org/trac/livecd/ to do this, and sure enough it claimed the partition wasn't bootable, so fdisk to toggle the flag bootable yet it still didn't boot. Any subtle nuance anyone might know to do this? Thanks! jlc

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Centos 5.1
by Tom Browder 19 Mar '08

19 Mar '08

I'm about to try Centos 5 (first time user). Question: I have the 5.0 CD-ROMs, so can I install with them and them update to 5.1 via the internet, or should I use the 5.1 CDs? Thanks. -Tom Tom Browder Niceville, Florida USA

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Server to server communication
by D Steward 19 Mar '08

19 Mar '08

Hi all, I have 2 servers online and wish them to communicate and exchange information with each other at times. I have been developing a web application which is extremely CPU-intensive, and since I don't want to overload the main server which deals with the apache/php/mysql stuff, I got a separate server (a phenom) to deal with it. I prefer the communication to be secure, low latency, scalable and two-way ie. either server can initiate communication with the other. As the number of users increase, I will need to add more quad-core servers. What would be the easiest/quickest-to-implement way to do this? Is there a daemon I could use to do this, or would I need to develop my own? Since I have only ever had a single server, I have never had to do this before, so wouldn't have a clue as to where to start. (I Googled "server communication" but got a pile of semi-useless links) TIA

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Re: [CentOS] remote command execution
by Ross S. W. Walker 19 Mar '08

19 Mar '08

I'm wrong! Uh! Take that mister know-it-all. Check out: http://www.faqs.org/faqs/unix-faq/faq/part3/section-2.html (God I've got some issues) -Ross ----- Original Message ----- From: centos-bounces(a)centos.org <centos-bounces(a)centos.org> To: centos(a)centos.org <centos(a)centos.org> Sent: Mon Mar 17 18:39:07 2008 Subject: Re: [CentOS] remote command execution I got the BSD and negate forms mixed up and forgot the &. C:\rsh host "stty -hup; command&" -Ross ----- Original Message ----- From: centos-bounces(a)centos.org <centos-bounces(a)centos.org> To: centos(a)centos.org <centos(a)centos.org> Sent: Mon Mar 17 18:27:58 2008 Subject: Re: [CentOS] remote command execution Use rsh and in the remote command preface it with stty -nohup, like such: C:\rsh <host> "stty -nohup;<command>" This will tell the command to disassociate from the shell. -Ross ----- Original Message ----- From: centos-bounces(a)centos.org <centos-bounces(a)centos.org> To: 'centos(a)centos.org' <centos(a)centos.org> Sent: Mon Mar 17 18:13:48 2008 Subject: [CentOS] remote command execution I need to launch a job remotely from a Windows machine on a CentOS box, the caveat is that I can't maintain a connection once I have initiated the job. Anyone got an idea how I can accomplish this? Thanks! jlc _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos ________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof. ________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof. ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.

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Discuss March 2008