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LSI 2008 SAS driver?
by tony＠softins.co.uk 23 Mar '12

23 Mar '12

Can anyone tell me which versions of CentOS/kernel support the LSI 2008 SAS chipset, as used in the Supermicro X8DT6-F motherboard? It's billed as a "hardware RAID" controller. Is this real RAID or fake RAID? I will be having two hard drives in a mirrored configuration. I usually use MD software RAID1, mirroring at the partition level. Would this still be best with this chipset, or would hardware RAID1 mirroring be better? Anything else I should watch out for? I'm also interested in whether it's even worthwhile going for the SAS rather than just sticking to SATA drives with AHCI. Thanks in advance for any comments! Tony -- Tony Mountifield Work: tony(a)softins.co.uk - http://www.softins.co.uk Play: tony(a)mountifield.org - http://tony.mountifield.org

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Centos long end of life support, but im interested in packages themselves.
by Brent Clark 23 Mar '12

23 Mar '12

Hi Guys Im hoping someone would be so kind to answer my question. Where I work we are currently reviewing and making use of Centos, because of its long end of life support. CentOS-6 updates until November 30, 2020 The question I would like to ask is. Say Centos 6 offers and makes use of PHP 5.3. Say as time goes on PHP themselves deprecate 5.3 and EOL is reached. Would Centos 6 continue to offer security and bug fixes support for PHP 5.3 till November 30, 2020? If someone could help me understand this, it would be appreciated. Kindest Regards Brent Clark

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CentOS-announce Digest, Vol 85, Issue 11
by centos-announce-request＠centos.org 23 Mar '12

23 Mar '12

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2012:0410 Important CentOS 6 raptor Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 22 Mar 2012 20:07:09 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2012:0410 Important CentOS 6 raptor Update To: centos-announce(a)centos.org Message-ID: <20120322200709.GA12775(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2012:0410 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2012-0410.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: af13fa8c2f29582db0652b17aee4a916563f02a011ec90e20c5c385255c4b136 raptor-1.4.18-5.el6_2.1.i686.rpm 05ab8ff7ae79fddce00e688eef3978d233d64f6ad575cc75def9408a9f50a549 raptor-devel-1.4.18-5.el6_2.1.i686.rpm x86_64: af13fa8c2f29582db0652b17aee4a916563f02a011ec90e20c5c385255c4b136 raptor-1.4.18-5.el6_2.1.i686.rpm 2d8e8c781d77c8865a6fd051b9e1a08ee4b9e4f9ab3e2c0469cb46341fc5bbd0 raptor-1.4.18-5.el6_2.1.x86_64.rpm 05ab8ff7ae79fddce00e688eef3978d233d64f6ad575cc75def9408a9f50a549 raptor-devel-1.4.18-5.el6_2.1.i686.rpm 2b7082d19b69b1520b039b4cd1fb3c32bd523fd78d4f55068b1252e685a2352f raptor-devel-1.4.18-5.el6_2.1.x86_64.rpm Source: 35ddda3d8b1f832cc8ba610261ce99f83c312dd3eb39e958e8965bd57119ae79 raptor-1.4.18-5.el6_2.1.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 85, Issue 11 ***********************************************

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MySQL query profiling
by Andy Taylor 23 Mar '12

23 Mar '12

Hi, I recently upgraded to the latest MySQL 5.0.95 package as part of the CentOS 5.8 upgrade. I use MySQL query profiling on a regular basis for performance testing. However, if I try to use any of the profiling functionality I get this error: ERROR 1289 (HY000): The 'SHOW PROFILE' feature is disabled; you need MySQL built with 'enable-profiling' to have it working Oddly enough, profiling is enabled in the MySQL package bundled with CentOS 6.2, and was enabled in the package before on CentOS 5 (5.0.77 I think) I'm assuming this is probably an upstream decision, but does anyone know of any way around this other than compiling my own RPM/using a different RPM from another repository? Query profiling is essential functionality in my opinion, so I'm surprised it hasn't been enabled in the package. Thanks, Andy

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Re: [CentOS] wiki - vnc -gerald and walsh, update?
by Travis Fraser 23 Mar '12

23 Mar '12

The docs that apprennaisance provided? Or the code in github? -- Travis Fraser ----- Reply message ----- From: "Johnny Hughes" <johnny(a)centos.org> Date: Fri, Mar 23, 2012 2:04 am Subject: [CentOS] wiki - vnc -gerald and walsh, update? To: <centos(a)centos.org>

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Add. Sense: Logical unit not ready, initializing command required
by Rahul Tidke 23 Mar '12

23 Mar '12

Hello everyone! What does following error mean, I am getting this in /var/log/messages repeatedly, this morning my server (IBM eServer x226) was unable to boot and when it booted its giving following errors. I have RAID 1 (Adaptec HOSTRAID) setup on this server. How to fix this? "fdisk -l /dev/sdb" does not give me any output. Yesterday I had power failure (UPS failure) and server shutdown abruptly. Mar 23 12:11:53 matrix kernel: sd 3:0:0:0: Device not ready: <6>: Current: sense key: Not Ready Mar 23 12:11:53 matrix kernel: Add. Sense: Logical unit not ready, initializing command required Mar 23 12:11:53 matrix kernel: Mar 23 12:11:53 matrix kernel: end_request: I/O error, dev sdb, sector 0 Mar 23 12:11:53 matrix kernel: Buffer I/O error on device sdb, logical block 0 Mar 23 12:11:53 matrix kernel: Buffer I/O error on device sdb, logical block 1 Mar 23 12:11:53 matrix kernel: Buffer I/O error on device sdb, logical block 2 Mar 23 12:11:53 matrix kernel: sd 3:0:0:0: Device not ready: <6>: Current: sense key: Not Ready If I run smartctl, I get following: [root@matrix ~]# smartctl -a /dev/sdb Device: IBM-ESXS PYH300C3-ETS10FN Version: RXQN Serial number: VAVH8YVA Device type: disk Local Time is: Fri Mar 23 12:23:53 2012 IST *device is NOT READY (e.g. spun down, busy)* A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options. -- Without Wax! Rahul Tidke

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aggravations of t-bird 10
by mark 22 Mar '12

22 Mar '12

a) I do not run gnome. I will *NEVER* voluntarily run gnome. I don't even want it installed. b) Click on link in an email in t-bird, and get this in the error console: Error: uncaught exception: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIExternalProtocolService.loadUrl]" nsresult: "0x80004005 (NS_ERROR_FAILURE)" location: "JS frame :: chrome://communicator/content/contentAreaClick.js :: openLinkExternally :: line 188" data: no] I *used* to be able to fix their True Religion crap by editing /usr/lib/thunderbird<whatever>/open-browser.sh, but that doesn't fix it. Clues for the poor? mark -- If libertarians believe in freedom and democracy, then why aren't they pushing a Constitutional Amendment to eliminate the Electoral College?

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control panels, like or dislike?
by Bob Hoffman 22 Mar '12

22 Mar '12

When I first started using webservers I leased shared hosting. Then I moved to vps. Then to dedicated. In all that I was with various control panels. In almost all cases bugs in those control panels would cause all sorts of issues. (ensim, cpanel, plesk). The load on the server seemed greatly increased (especially with ensim). When I built my first server 4 years ago I decided to heck with control panels. I looked at what I was using the control panel for, mainly for adding users, protecting directories or adding a new website. Seriously, I found the original setup daunting as a step by step is not really available for a new admin. But I did it. Without a control panel. Now my new server went all virtual and still no control panel. I looked at them but just adding one seemed to install a gazillion programs, overtake my system, and seemed to prevent me from updating the servers until the panel was updated. And they seem buggy and insecure. I understand for webhosting it might seem practical to add them, but with the issues and bugs they present the techs on my vps/dedicated sure spent a lot of time on the phone with me. That is costly. Do you use control panels? Why? Like/dislike? For some family and friends who I host a site for I found the setup of an additional server quite easy. A simple one page explanation of adding/deleting ftp, mail, or shell users, protecting directories, etc seems to suffice. I feel control panels are not needed and detract from being a knowledgeable admin. I can see if you are very new to running a centos server it would be helpful, but in the end run it seems to keep people from learning how to manage things. From a tech view, paid by the hour, I imagine those guys and gals love control panel issues... more money for them to fix things. Interested in where anyone else sits on this issue. I read a lot of articles on them but cannot find a solution where I think they would be better to use, at least not yet. I am open-minded about it though...

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CentOS-6, Postfix and Mailman
by James B. Byrne 22 Mar '12

22 Mar '12

We have a bunch of lists hosted on a CentOS-4.9 server running sendmail and mailman that we are moving to a CentOS-6 vm running postfix and mailman. I am testing the setup and I am running into a problem no doubt caused by my own ignorance wrt postfix. Based on groking the web I discovered that the recommended way to configure postfix to work with mailman is a script called postfix-to-mailman.py. I installed and modified this script to suit our installation. I followed the instructions therein and made the recommended changes to posfix, to wit: # postfix-to-mailman.py MailmanHome = "/var/lib/mailman"; # Mailman home data directory # Add mailman virtual domains to transport # /etc/postfix/transport: # mailman.ourdomain.tld mailman: # mailman.other.tld mailman: # # /etc/postfix/main.cf: # inet_interfaces = localhost, mailman.ourdomain.tld, ... # relay_domains = mailman.ourdomain.tld, ... # transport_maps = hash:/etc/postfix/transport # mailman_destination_recipient_limit = 1 # # /etc/postfix/master.cf # mailman unix - n n - - pipe # flags=FR user=mailman:mailman # argv=/var/mailman/postfix-to-mailman.py ${nexthop} ${user} The mailman web interface is setup and works. The mm_cfg.py file was altered to handle the virtual domains of the mailing lists. Adding a new list via the web interface generates and successfully delivers via our mail hub the new list instructions to the owner's email. Similarly, adding a new user via the web interface generates and successfully delivers a welcome email. However, email to the test mailing list does not get processed by mailman. This is what I see in /var/log/maillog: /var/log/maillog:Mar 22 14:53:53 inet08 postfix/smtpd[2785]: E248860A9A: client=inet06.hamilton.harte-lyne.ca[216.185.71.26] /var/log/maillog:Mar 22 14:53:53 inet08 postfix/cleanup[2789]: E248860A9A: message-id=<201203221853.q2MIrrV5026005(a)inet06.hamilton.harte-lyne.ca> /var/log/maillog:Mar 22 14:53:54 inet08 postfix/qmgr[2519]: E248860A9A: from=<root(a)inet06.hamilton.harte-lyne.ca>, size=563, nrcpt=1 (queue active) /var/log/maillog:Mar 22 14:53:55 inet08 postfix/error[2792]: E248860A9A: to=<test(a)mailman.byrnejb.ca>, relay=none, delay=1.3, delays=0.11/1.1/0/0.07, dsn=4.3.0, status=deferred (unknown mail transport error) The script postfix-to-mailman.py says that entries in the aliases map are not required for it to work. So, I did not create any. As I am completely unfamiliar with postfix I cannot interpret the errors I am seeing. It appears that mail is routed correctly to the posfix server but that the delivery agent, presumably mailman, is not working or postfix is unable to connect to it. Does anyone here have experience getting postfix and mailman working together and, if so, how does one do it? Is postfix-to-mailman.py the proper way to do this or not? Should there be entries in the postfix aliases map for mailman? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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odd arpwatch error
by m.roth＠5-cent.us 22 Mar '12

22 Mar '12

On and off, I'm seeing Mar 22 14:10:04 <server> arpwatch: short (want 42) The only thing like it I find in googling is an old debian bug, with the only solution I see, from <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=155182>, is "It seems that "struct ether_header" was 2 bytes too long, and with attribute packed it works fine on my NSLU2." Anyone know if this could have crept in? Johnny? Karanbir? mark

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