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Slow perl on CentOS - ActivePerl as a solution
by Vaclav Mocek 29 Aug '08

29 Aug '08

Hi all, I found out that one of my perl scripts is heavily affected by the current bug. I was lazy to compile anything and I didn't want to mess up my system doing some experiments, so I tried to install ActivePerl as a temporary solution instead (RPMs are available). ActivePerl 5.8 is approximately 73x faster that CentOS version and ActivePerl 5.10 even slightly faster. Both versions and all installed packages (GUI ppm) work flawlessly and at least for me it is the way how to survive until CentOS 5.3 will be released. [vamo@argon ~]$ cat test.pl #!/usr/bin/perl use overload q(<) => sub {}; my %h; for (my $i=0; $i<50000; $i++) { $h{$i} = bless [ ] => 'main'; print STDERR '.' if $i % 1000 == 0; } print "\n"; [vamo@argon ~]$ /opt/ActivePerl-5.8/bin/perl -d:DProf test.pl .................................................. [vamo@argon ~]$ dprofpp tmon.out Total Elapsed Time = 0.199955 Seconds User+System Time = 0.189955 Seconds Exclusive Times %Time ExclSec CumulS #Calls sec/call Csec/c Name 5.26 0.010 0.010 2 0.0050 0.0050 main::BEGIN 0.00 - -0.000 1 - - overload::OVERLOAD 0.00 - -0.000 1 - - warnings::BEGIN 0.00 - -0.000 2 - - warnings::register::mkMask 0.00 - -0.000 1 - - overload::import 0.00 - -0.000 1 - - overload::BEGIN 0.00 - -0.000 1 - - warnings::register::import [vamo@argon ~]$ /usr/bin/perl -d:DProf test.pl .................................................. [vamo@argon ~]$ dprofpp tmon.out Total Elapsed Time = 12.48996 Seconds User+System Time = 12.47996 Seconds Exclusive Times %Time ExclSec CumulS #Calls sec/call Csec/c Name 0.08 0.010 0.010 1 0.0100 0.0100 main::BEGIN 0.00 - -0.000 1 - - warnings::BEGIN 0.00 - -0.000 1 - - overload::OVERLOAD 0.00 - -0.000 2 - - warnings::register::mkMask 0.00 - -0.000 1 - - overload::import 0.00 - -0.000 1 - - overload::BEGIN 0.00 - -0.000 1 - - warnings::register::import Vaclav

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realtek 8211CL driver centos 5.2 x86_64
by Jerry Geis 29 Aug '08

29 Aug '08

Anyone know how to get the realtek 8211CL network driver working on an ASUS M3N78 motherboard? I was able to get the SATA disks to work with using the pci=nomsi boot option. Jerry

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HIP rpms for Centos 5.2
by Robert Moskowitz 29 Aug '08

29 Aug '08

For anyone that is interested in looking at HIP, I have posted the latest HIP build on my server: http://htt-consult.com/~rgm/hip/ You don't need the src rpm, the others will do. Since we do not have the IPsec ESP BEET mode patch (http://www.ietf.org/internet-drafts/draft-nikander-esp-beet-mode-09.txt) for the 2.6.18 kernel (it is in the 2.6.27 kernel), we have to run HIP in userspace. For this you have to run hipfw with at least -i to get the userspace mode working. You should also include -A if you want to accept any HIP traffic. Well read the hipfw docs. If anyone does try it, let me know.

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unix2dos did NOT fix line wrap problem on PC
by mcclnx mcc 29 Aug '08

29 Aug '08

I have log files will mail from LINUX to my PC (MS exchange and outlook). When I look the E-MAIL, the log file line is unwrap. My script did use "unix2dos" to convert format. anyone know why? ====== script ============= tail -30 /var/log/messages > /tmp/diskmsg.log unix2dos /tmp/diskmsg.log mail -s "Check log" dba101(a)yahoo.com </tmp/diskmsg.log _________________________________________________________________________________________________________ 知識+ 的電玩高手全都在這裡！ http://tw.knowledge.yahoo.com/dir/group_buzz?time=total&type=article&sid=39…

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Re: Curmudgeoning (was Re: Problems with writing, Dual Layer DVD)
by David G. Miller 29 Aug '08

29 Aug '08

Scott Silva <ssilva(a)sgvwater.com> wrote: > on 8-28-2008 4:15 PM William L. Maltby spake the following: >> > On Thu, 2008-08-28 at 15:50 -0700, Scott Silva wrote: >> >>> >> <snip> >>> >> > >> >>> >> I have motherboards in my garage older than you! ;-D >>> >> > >> > PIKER! I've mobos still running (when I fire 'em up). Although I'm >> > seriously considering ditching the 386SX with Win 3.11. Don't find any >> > reason to fire it up anymore. >> > >> > Hell, even at my age I've got more memory left than it ever had! :-)) >> > >> >>> >> <snip> >>> >> > >> > I don't think I kept anything lower than a 486. You never know if you might > need it! > One of my projects of the moment is to get rid of all of the old motherboards and systems in my basement. I'm thinking I'll keep one working system/MB that has ISA slots. Not sure which one yet but probably either the Pentium or a K6/2 550Mhz. I've got W2K running in a qemu virtual machine on my current desktop so I'm guessing I can get any older versions of Windows working if I have to. I just can't virtualize an ISA slot if the need arises. A few things hanging around the basement I *won't* part with though as part of this clean up: - A still shrink wrapped copy of Windows/386 (media is 5.25 inch floppies) - A true blue (IBM logo) PC-AT (6 MHz 80286) with a full height 30MB hard drive and 1MB of RAM, DOS 3.3. Also, I've still got at least one punch card from my college days (Ohio State in the late '70s). I usually hang it on my cubicle wall when I'm working a regular gig. Most of the kids have never seen one before. Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

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new software raid installs
by Jerry Geis 29 Aug '08

29 Aug '08

I have noticed that when I do software raid installed (RAID1) that I reboot and one of the first things it says is md1 is not in sync doing background reconstruction... md0 is my /root partition md1 is my /home partition why would md1 not be in sync after an install. Jerry

4 3

Xen HVM and tap:aio
by Lane Bryson 29 Aug '08

29 Aug '08

Hello, I'm wondering if anyone out there is doing tap:aio disk devices on a Xen HVM vm with any success. Please let me know if you are, and perhaps your version info and a config file snippet. I've posted this to the xen-users list, and what I'm trying to do seems to be correct, works on Ubuntu, Debian, and XenSource; but it doesn't work on CentOS. Here's the snippet from my config. More info in the message below: builder = "hvm" kernel = "/usr/lib/xen/boot/hvmloader" acpi = 0 apic = 0 device_model = "/usr/lib64/xen/bin/qemu-dm" disk = [ "tap:aio:/xen/ausmsit05/ausmsit05.raw,hda,w", "tap:aio:/xen/iso/win2003r2_std_32bit_disk1of2.iso,hdc :cdrom,r" ] ---------- Forwarded message ---------- From: - <debaan(a)gmail.com> Date: Thu, Aug 28, 2008 at 2:27 PM Subject: HVM and tap:aio? To: xen-users(a)lists.xensource.com Hello, I'm not able to use tap:aio disk definitions with my HVM domU's. Is this supposed to work on this version of Xen, or am I doing something wrong? I've tried everything I can think of. file: works, but not tap:aio: , and I understand that file: will cause OOMkiller if using NFS mounts and is deprecated. Likewise, tap:aio: for cdrom does not allow me to boot off of cdrom; file: does work fine. Furthermore, any time I use tap:aio, the bochs bios of the hvm domU shows the hard disk size as 0 MBytes. Any disk definition that I use that has tap:aio: gives the result either (if tap:aio:/xen/foo/foo.img,xvda,w): Booting from Hard Disk... Boot from Hard Disk failed: could not read the boot disk or (if specifying tap:aio:/xen/foo/foo.img,hda,w) ata0 master: QEMU HARDDISK ATA-7 Hard-Disk (0 MBytes) Boot from Hard Disk failed: could not read the boot disk Host: CentOS 5.2 x86_64, kernel 2.6.18-92.1.6.el5xen Xen version: 3.1.2-92.1.6.el5 xen_caps: xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 selinux: disabled for testing domU: OS doesn't appear to matter; domU OS won't start loading at all. disk lines I've tried: # disk recognized as 0/1 MB, can't install #disk = [ "tap:aio:/xen/ausmsit05/ausmsit05.raw,ioemu:sda,w", "file:/xen/iso/Win2003r2_std_32bit.iso,hdc:cdrom,r" ] #disk = [ "tap:aio:/xen/ausmsit05/ausmsit05.raw,sda,w", "file:/xen/iso/Win2003r2_std_32bit.iso,hdc:cdrom,r" ] #disk = [ "file:/xen/ausmsit05/ausmsit05.raw,hda,w", "file:/xen/iso/Win2003r2_std_32bit.iso,hdc:cdrom,r" ] #disk = [ "tap:aio:/xen/ausmsit05/ausmsit05.raw,sda1,w", ",hdc:cdrom,r" ] #disk = [ "tap:aio:/xen/ausmsit05/ausmsit05.raw,xvda,w", ",hdc:cdrom,r" ] #disk = [ "tap:aio:/xen/ausmsit05/ausmsit05.raw,hda:ioemu,w", ",hdc:cdrom,r" ] #disk = [ "tap:aio:/xen/ausmsit05/ausmsit05.raw,ioemu:hda,w", ",hdc:cdrom,r" ] #disk = [ "tap:aio:/xen/ausmsit05/ausmsit05.raw,ioemu:xvda,w", "phy:/dev/scd0,ioemu:xvdc:cdrom,r" ] # Boot from Hard Disk failed: could not read the boot disk disk = [ "tap:aio:/xen/ausmsit05/ausmsit05.raw,hda,w", "tap:aio:/xen/iso/win2003r2_std_32bit_disk1of2.iso,hdc:cdrom,r" ] in the last example, this is the output of xm block-list ausmsit05 --long (768 ((backend-id 0) (virtual-device 768) (device-type disk) (state 1) (backend /local/domain/0/backend/tap/55/768) ) ) (5632 ((backend-id 0) (virtual-device 5632) (device-type cdrom) (state 1) (backend /local/domain/0/backend/tap/55/5632) ) ) and this is from xend.log: [2008-08-28 14:18:09 xend 3692] DEBUG (blkif:24) exception looking up device number for hda: [Errno 2] No such file or directory: '/dev/hda' [2008-08-28 14:18:09 xend 3692] DEBUG (DevController:110) DevController: writing {'backend-id': '0', 'virtual-device': '768', 'device-type': 'disk', 'state': '1', 'backend': '/local/domain/0/backend/tap/55/768'} to /lo cal/domain/55/device/vbd/768. [2008-08-28 14:18:09 xend 3692] DEBUG (DevController:112) DevController: writing {'domain': 'ausmsit05', 'frontend': '/local/domain/55/device/vbd/768', 'format': 'raw', 'dev': 'hda', 'state': '1', 'params': 'aio:/xen/ausmsit05/ausmsit05.raw', 'mode': 'w', 'online': '1', 'frontend-id': '55', 'type': 'tap'} to /local/domain/0/b ackend/tap/55/768. [2008-08-28 14:18:09 xend 3692] DEBUG (blkif:24) exception looking up device number for hdc: [Errno 2] No such file or directory: '/dev/hdc' [2008-08-28 14:18:09 xend 3692] DEBUG (DevController:110) DevController: writing {'backend-id': '0', 'virtual-device': '5632', 'device-type': 'cdrom', 'state': '1', 'backend': '/local/domain/0/backend/tap/55/5632'} to /local/domain/55/device/vbd/5632. [2008-08-28 14:18:09 xend 3692] DEBUG (DevController:112) DevController: writing {'domain': 'ausmsit05', 'frontend': '/local/domain/55/device/vbd/5632', 'format': 'raw', 'dev': 'hdc', 'state': '1', 'params': 'aio:/xen/iso/win2003r2_std_32bit_disk1of2.iso', 'mode': 'r', 'online': '1', 'frontend-id': '55', 'type': 'tap'} to /lo cal/domain/0/backend/tap/55/5632. Thank you in advance for any help you can offer.

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CentOS-announce Digest, Vol 42, Issue 11
by centos-announce-request＠centos.org 29 Aug '08

29 Aug '08

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-2008:0648 Important CentOS 5 i386 tomcat5 Update (Karanbir Singh) 2. CESA-2008:0648 Important CentOS 5 x86_64 tomcat5 Update (Karanbir Singh) 3. CESA-2008:0863-01: Important CentOS 2 i386 libtiff security update (John Newbigin) ---------------------------------------------------------------------- Message: 1 Date: Thu, 28 Aug 2008 23:01:41 +0100 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2008:0648 Important CentOS 5 i386 tomcat5 Update To: centos-announce(a)centos.org Message-ID: <20080828220141.GA20513(a)base.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2008:0648 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2008-0648.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: c734374fd4c1b01b0de140dec457191e tomcat5-5.5.23-0jpp.7.el5_2.1.i386.rpm cbcc5625b147fd60528accff52ae6504 tomcat5-admin-webapps-5.5.23-0jpp.7.el5_2.1.i386.rpm e734a99b5332bec54776322377a34b3b tomcat5-common-lib-5.5.23-0jpp.7.el5_2.1.i386.rpm 5453cd446682ccbfcb27b953cbf51bca tomcat5-jasper-5.5.23-0jpp.7.el5_2.1.i386.rpm 967e0961aff3640927ab4b7ac9d971e8 tomcat5-jasper-javadoc-5.5.23-0jpp.7.el5_2.1.i386.rpm 2ecf6542b6e80d4048962b334afacfcf tomcat5-jsp-2.0-api-5.5.23-0jpp.7.el5_2.1.i386.rpm e8429b70d77822f9a74c18c5423327ef tomcat5-jsp-2.0-api-javadoc-5.5.23-0jpp.7.el5_2.1.i386.rpm ae1ef29d5b9c4de4530a32ab7763cae8 tomcat5-server-lib-5.5.23-0jpp.7.el5_2.1.i386.rpm e7057b9bdf2405699cf2314229bfef28 tomcat5-servlet-2.4-api-5.5.23-0jpp.7.el5_2.1.i386.rpm 444f64a54d96e2ca0337954ba2127e16 tomcat5-servlet-2.4-api-javadoc-5.5.23-0jpp.7.el5_2.1.i386.rpm e20b64e80ac54a4d3a1d3081a14a33a1 tomcat5-webapps-5.5.23-0jpp.7.el5_2.1.i386.rpm Source: cb7239b7652235a6ca1f071d077bba44 tomcat5-5.5.23-0jpp.7.el5_2.1.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Thu, 28 Aug 2008 23:01:41 +0100 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2008:0648 Important CentOS 5 x86_64 tomcat5 Update To: centos-announce(a)centos.org Message-ID: <20080828220141.GA20526(a)base.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2008:0648 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2008-0648.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 57c5fa963dfa5d8c7d803bdb45bcacbf tomcat5-5.5.23-0jpp.7.el5_2.1.x86_64.rpm 7f9a6b53bedd90d55bb102eeaf7f5190 tomcat5-admin-webapps-5.5.23-0jpp.7.el5_2.1.x86_64.rpm 2232b4f300cd3e5727feb2792538c957 tomcat5-common-lib-5.5.23-0jpp.7.el5_2.1.x86_64.rpm 777bb2cb9944d5684f74a2359d212460 tomcat5-jasper-5.5.23-0jpp.7.el5_2.1.x86_64.rpm 7d97a8badecebd3160cb097959c31558 tomcat5-jasper-javadoc-5.5.23-0jpp.7.el5_2.1.x86_64.rpm 1ad97060c50877d9f56c5b21eae30fa7 tomcat5-jsp-2.0-api-5.5.23-0jpp.7.el5_2.1.x86_64.rpm 5ced478472279e95b32500951bcc51e8 tomcat5-jsp-2.0-api-javadoc-5.5.23-0jpp.7.el5_2.1.x86_64.rpm 972cc8e64e5ef402939c44d884c534f1 tomcat5-server-lib-5.5.23-0jpp.7.el5_2.1.x86_64.rpm 99422eeb42ff8dc2633f8ca13e4c5cf2 tomcat5-servlet-2.4-api-5.5.23-0jpp.7.el5_2.1.x86_64.rpm aaa91d8800238bebb6b6af814935bb13 tomcat5-servlet-2.4-api-javadoc-5.5.23-0jpp.7.el5_2.1.x86_64.rpm a30fd711d57bbd6ebfa3d9e4caf72bf0 tomcat5-webapps-5.5.23-0jpp.7.el5_2.1.x86_64.rpm Source: cb7239b7652235a6ca1f071d077bba44 tomcat5-5.5.23-0jpp.7.el5_2.1.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Fri, 29 Aug 2008 10:41:41 +1000 From: John Newbigin <jnewbigin(a)ict.swin.edu.au> Subject: [CentOS-announce] CESA-2008:0863-01: Important CentOS 2 i386 libtiff security update To: centos-announce(a)centos.org Message-ID: <48B745C5.90008(a)ict.swin.edu.au> Content-Type: text/plain; charset=ISO-8859-1; format=flowed The following errata for CentOS-2 have been built and uploaded to the centos mirror: RHSA-2008:0863-01 Important: libtiff security update Files available: libtiff-3.5.7-31.el2.i386.rpm libtiff-devel-3.5.7-31.el2.i386.rpm More details are available from the RedHat web site at https://rhn.redhat.com/errata/rh21as-errata.html The easy way to make sure you are up to date with all the latest patches is to run: # yum update -- John Newbigin ITS Senior Analyst / Programmer Faculty of Information and Communication Technologies Swinburne University of Technology Melbourne, Australia http://www.ict.swin.edu.au/staff/jnewbigin ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 42, Issue 11 ***********************************************

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lmsensors support in net-snmp
by Andrew Hearn 29 Aug '08

29 Aug '08

Hello, I'm wanting to use cacti* to graph my motherboard fan/temperature/voltage readings. I have sensors working and it giving me the temperatures ets, but it seems that net-snmp needs to be compiled with sensors/lmsensors support. Is there a centos 5 rpm for net-snmp that support this? Thanks. *http://forums.cacti.net/viewtopic.php?t=11590

1 0

iptables question
by Joseph L. Casale 29 Aug '08

29 Aug '08

When do you know you need the "-m multiport" option? I see examples with -dport xx:xxx for example that sometimes use it and sometimes don't? I have read the man page and see what "-m multiport" requires, but don't see the requirement involving its use. Thanks! jlc

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