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Virtual Hosting
by mailadmin＠baladia.gov.kw 01 Sep '07

01 Sep '07

Dear All, Im sorry for posting this query here but was helpless.. as i am not able to subscribe to sendmail mailing list i have jus installed CentOS 5 and the following software sendmail 8.13 bind 9.3 this machine is used as a primary DNS and out mail server and is been workin perfect we jus have a new domain and i want to have virtual mail hosting on the smae machine for our new domain apprecite if you can help me with some steps or any links which can give me example of settin up virtual mail hosting with sendmail thnks and regards benedict -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

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CentOS-announce Digest, Vol 31, Issue 1
by centos-announce-request＠centos.org 01 Sep '07

01 Sep '07

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-2007:0875 Important CentOS 4 x86_64 mysql - security update (Johnny Hughes) 2. CESA-2007:0875 Important CentOS 4 i386 mysql - security update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Fri, 31 Aug 2007 19:43:01 -0500 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2007:0875 Important CentOS 4 x86_64 mysql - security update To: CentOS-Announce <centos-announce(a)centos.org> Message-ID: <46D8B595.8040801(a)centos.org> Content-Type: text/plain; charset="iso-8859-1" CentOS Errata and Security Advisory 2007:0875 https://rhn.redhat.com/errata/RHSA-2007-0875.html The following updated files have been uploaded and are currently syncing to the mirrors: x86_64 mysql-4.1.20-2.RHEL4.1.0.1.i386.rpm mysql-4.1.20-2.RHEL4.1.0.1.x86_64.rpm mysql-bench-4.1.20-2.RHEL4.1.0.1.x86_64.rpm mysql-devel-4.1.20-2.RHEL4.1.0.1.x86_64.rpm mysql-server-4.1.20-2.RHEL4.1.0.1.x86_64.rpm src: mysql-4.1.20-2.RHEL4.1.0.1.src.rpm

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RE: [CentOS] OT: Suggestions for RAID HW for 2 SATA drives in DellPowerEdge SC
by Lanny Marcus 01 Sep '07

01 Sep '07

On 29 August 2007, "Ross S. W. Walker" <rwalker(a)medallion.com> wrote: > Message: 39 <snip> > I wouldn't worry too much about the OS HD configuration, you are > always going to want RAID1 for the OS, whether software or hardware. > > Reason I say not to worry too much about the OS HD config is because > you are almost certainly going to put the application or user data > on a separate array, so the OS HD is basically used for loading > binaries. Ross: Thank you! I also read your reply to Israel in Cuba, which may be applicable for me. About 10 seconds after I started this thread, I remembered a long discussion about RAID, SATA, etc., 2 or 3 months ago. I think that Feizhou (?) strongly recommended going with Software RAID in CentOS. I will search for that and do a lot of reading. RAID 1 for mirroring is what I want. Lanny

3 5

CentOS4 and older megaraid
by Craig White 01 Sep '07

01 Sep '07

Release notes say no support for the RAID card in a box I just picked up...is there no hope for this box running 2.6 kernel? http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/release- notes/as-x86/ The kernel shipped with Red Hat Enterprise Linux 4 includes the new megaraid_mbox driver from LSI Logic, which replaces the megaraid driver. The megaraid_mbox driver has an improved design, is compatible with the 2.6 kernel, and includes support for the latest hardware. However, megaraid_mbox does not support some of the older hardware that was supported by the megaraid driver. Adapters with the following PCI vendor ID and device ID pairs are not supported by the megaraid_mbox driver: vendor, device 0x101E, 0x9010 0x101E, 0x9060 0x8086, 0x1960 <--- my card ---< The lspci -n command can be used to display the IDs for adapters installed in a particular machine. Products with these IDs are known by (but not limited to) the following model names: * Dell PERC (dual-channel fast/wide SCSI) RAID controller * Dell PERC2/SC (single-channel Ultra SCSI) RAID controller * Dell PERC2/DC (dual-channel Ultra SCSI) RAID controller * Dell CERC (four-channel ATA/100) RAID controller * MegaRAID 428 * MegaRAID 466 * MegaRAID Express 500 * HP NetRAID 3Si and 1M Both Dell and LSI Logic have indicated that they no longer support these models in the 2.6 kernel. As a result, these adapters are not supported in Red Hat Enterprise Linux 4. Craig

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Re: [CentOS] SELinux question - to fix bug in Webmin
by Lanny Marcus 31 Aug '07

31 Aug '07

On 30 August 2007, Kenneth Porter <shiva(a)sewingwitch.com> wrote: <snip> > You might also want to direct your question to the SELinux people on > their > lists: > > <http://www.redhat.com/mailman/listinfo/fedora-selinux-list> > <http://www.nsa.gov/selinux/info/list.cfm> > > (I'm curious to know what the solution is, though, so please follow up > back > here with anything you find!) I looked at the archives of the NSA list. Nothing shown since March 2007. The Fedora list is much more active. I think I will join that list, and post there, in the morning. I noticed a reference to this very recent article from Upstream, about SELinux, which possibly will be of interest to some of the people on the CentOS ML: <http://www.redhatmagazine.com/2007/08/21/a-step-by-step-guide-to-building-a…>

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Migration question?
by Carl Boberg 31 Aug '07

31 Aug '07

Hi, Im new in this list and I have recently started a project to migrate all our servers from RHEL to Centos. My question is if anyone have any tips/tricks regarding online migration from RHEL to Centos, especially between ver. 5? I have read most stuff I have found thru Google and the Centos wiki and most migrations have worked fine except the RHEL 5 - Centos 5 migration. Hit a few bumps and lost the rpm db and such... Any tips/pointers/tricks/experiences are welcome. Yes, I know a clean reinstall is the best thing to do. Cheers

3 4

Very slow disk performance on CentOS 4.5
by Alfred von Campe 31 Aug '07

31 Aug '07

I recently moved my CentOS 4.5 disk from a Lenovo ThinkCentre M52 (3.2 GHz Pentium 4) to a Lenovo ThinkCentre M55 (3.4 GHz Core 2 Duo). I had to install the SMP kernel, but other than that everything just worked. I did have an issue with accidentally initializing my /boot partition, but that was my own fault. But the system was not feeling right. Some things just seemed to be slower, but I couldn't put my finger on it. Today, I noticed that disk I/O was very slow to one of the disks (the boot drive, /dev/ hda). It took over 18 minutes to unzip a set of files that used to take just under 2 minutes on the old system. Sure enough, if I copied the files to the second drive (/dev/sda), I was able to unzip them in under 2 minutes again. When I accidentally clobbered the /boot partition, I learned that there were two IDE controllers on this motherboard, which explained why one SATA drive was named /dev/hda and the other SATA drive /dev/ sda. But I find it hard to believe that there would be such a performance difference between the two controllers/drivers/disks. And I know the slow disk worked just fine before I moved it to the new system. Any ideas what could cause a drive to be so slow? Could it be that DMA is disabled on the drive (see the output of hdparm below)? Also, why does hdparm work for one disk but not the other? Thanks for any pointers, Alfred # lspci 00:00.0 Host bridge: Intel Corporation 82Q963/Q965 Memory Controller Hub (rev 02) 00:01.0 PCI bridge: Intel Corporation 82Q963/Q965 PCI Express Root Port (rev 02) 00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Contoller #4 (rev 02) 00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 02) 00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 02) 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02) 00:1c.4 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 (rev 02) 00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 02) 00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev f2) 00:1f.0 ISA bridge: Intel Corporation 82801HB/HR (ICH8/R) LPC Interface Controller (rev 02) 00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA IDE Controller (rev 02) 00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02) 00:1f.5 IDE interface: Intel Corporation 82801H (ICH8 Family) 2 port SATA IDE Controller (rev 02) 01:00.0 VGA compatible controller: nVidia Corporation G70 [GeForce 7300 GT] (rev a1) 03:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5755 Gigabit Ethernet PCI Express (rev 02) 0a:0a.0 Serial controller: NetMos Technology PCI 9835 Multi-I/O Controller (rev 01) 00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA IDE Controller (rev 02) (prog-if 8a [Master SecP PriP]) Subsystem: Lenovo: Unknown device 1011 Flags: bus master, 66Mhz, medium devsel, latency 0, IRQ 177 I/O ports at <unassigned> I/O ports at <unassigned> I/O ports at <unassigned> I/O ports at <unassigned> I/O ports at 30d0 [size=16] I/O ports at 30c0 [size=16] Capabilities: [70] Power Management version 3 00:1f.5 IDE interface: Intel Corporation 82801H (ICH8 Family) 2 port SATA IDE Controller (rev 02) (prog-if 85 [Master SecO PriO]) Subsystem: Lenovo: Unknown device 1011 Flags: bus master, 66Mhz, medium devsel, latency 0, IRQ 185 I/O ports at 3428 [size=8] I/O ports at 341c [size=4] I/O ports at 3420 [size=8] I/O ports at 3418 [size=4] I/O ports at 30f0 [size=16] I/O ports at 30e0 [size=16] Capabilities: [70] Power Management version 3 # hdparm /dev/hda /dev/hda: multcount = 16 (on) IO_support = 0 (default 16-bit) unmaskirq = 0 (off) using_dma = 0 (off) keepsettings = 0 (off) readonly = 0 (off) readahead = 256 (on) geometry = 24792/255/63, sectors = 203928109056, start = 0 # hdparm /dev/sda /dev/sda: HDIO_GET_MULTCOUNT failed: Inappropriate ioctl for device IO_support = 0 (default 16-bit) readonly = 0 (off) readahead = 256 (on) geometry = 9730/255/63, sectors = 80032038912, start = 0

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Re: OT: Suggestions for RAID HW for 2 SATA drives in
by Lanny Marcus 31 Aug '07

31 Aug '07

On 30 August 2007, Scott Silva <ssilva(a)sgvwater.com> wrote: > Message: 57 <snip> > And, learning how to remove/replace > a defective drive is something I should do. > VMWare is a good way to experiment with things like that. Scott: Thank you for that idea! I don't think any of the boxes in our house have boards that permit virtualization (sp?), but possibly the server will support that. Lanny

2 1

rpmsave files and pagasus
by Centos 31 Aug '07

31 Aug '07

Hello I just upgraded Centos, and now doing some post upgarde task to make sure every thing is fine. First of all, it seems upgrade add rpmsave extension to configuration files, which we should copy them back example is /etc/httpd/conf/httpd.conf.rpmsave also what is Pegasus ? there is a lot of rpmsaved in /var/lib/pegasus example : /var/lib/Pegasus/prev_repository_2007-08-30-1188481293.980554182.rpmsave Thanks

2 1

Re: [CentOS] SELinux question - to fix bug in Webmin
by Lanny Marcus 31 Aug '07

31 Aug '07

On 30 August 2007, Kenneth Porter <shiva(a)sewingwitch.com> wrote: > Message: 75 <snip> > You might also want to direct your question to the SELinux people on > their lists: > > <http://www.redhat.com/mailman/listinfo/fedora-selinux-list> > <http://www.nsa.gov/selinux/info/list.cfm> > > (I'm curious to know what the solution is, though, so please follow up > back here with anything you find!) Ken: I looked at the NSA web site. I will ask him if he wants to ask for the information, or, if he wants me to ask for it. I will post back here, if/when I have more information! Lanny

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