Discuss November 2009

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311 participants
290 discussions

Question about the ahci kernel module: missing in the CentOS (4) Plus kernel
by Robert Heller 16 Nov '09

16 Nov '09

Is there some reason the ahci kernel module is *missing* from the 2.6.9-89.0.16.plus.c4 kernel? It is in the standard 2.6.9-89.0.16.EL kernel. Is this due to an oversight or is there some sort of conflict? I wanted to add IEEE1394 support to my system running CentOS 4.8. I *looks* like what I need to do is download the kernel SRPM and patch the config to include the IEEE1394 modules and re-build the kernel from source. Arg... -- Robert Heller -- 978-544-6933 Deepwoods Software -- Download the Model Railroad System http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows heller(a)deepsoft.com -- http://www.deepsoft.com/ModelRailroadSystem/

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vsftpd question
by Victor Subervi 16 Nov '09

16 Nov '09

Hi; I've learned how to add a user and change the root dir of vsftpd (which of course is undocumented). Now I need to learn how to make it so that a given user can only access his/her folder (within the root dir). Please advise. TIA, Victor

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Problem with Yum on CentOS 5.4
by Niki Kovacs 16 Nov '09

16 Nov '09

Hi, I recently downloaded and burned the 5.4 DVD ISO. All my machines are now running 5.4, but these are installs I performed with 5.0, 5.1, 5.2 etc. and then progressively upgraded. Now I had to use 5.4 because a friend's laptop, a brandnew Fujitsu Esprimo Mobile, refuses to boot anything under 5.4. After a fresh install of the base system, first thing I do is 'yum update' with the default setup... only this time, nothing happens. I stays about a minute or two on 'Determining fastest mirror'... and then tells me : "Could not retrieve mirrorlist..." On the other hand, 'yum update' on all the other installs (from older CentOS disks) works correctly. What's wrong? Niki

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Re: [CentOS] Adaptec SCSI Card 2930LP supported by CentOS 5.x?
by Tim Nelson 16 Nov '09

16 Nov '09

----- "Rainer Duffner" <rainer(a)ultra-secure.de> wrote: > Except that nowadays, some cheap desktop-motherboards may not know > how > to enable booting from such a card. > It's years since I used SCSI-drives for desktop-use - and then it was > a > workstation-class Dual-Xeon board, Socket 604. > So I can't say if this is still true today - but I've read that > people > have problems like that. > > Rainer I've actually found that even in some systems that can boot from addon cards properly, there are still some cards that are not "bootable". In fact, I have a 29160LP that would not show up as a bootable option in a half dozen servers I tried. This includes anywhere from custom built boxes to nice upper end Dell units. YMMV... Tim Nelson Systems/Network Support Rockbochs Inc. (218)727-4332 x105

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yum-changelog dependencies...
by John Doe 16 Nov '09

16 Nov '09

Hi, I wanted to try yum-changelog, so I yum installed it. It installed without complaining. But, when I try to use it, it complains about a missing module: "Dateutil module not available, so can't parse dates" Missing dependency? Only package I found is python-dateutil.noarch from rpmforge. Is it the one? Thx, JD

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PHP Add-on
by Ricky Tompu Breaky 16 Nov '09

16 Nov '09

Dear my friends... I want to install Magento but the installer asks me several PHP Add-on: PHP Extension "pdo_mysql" must be loaded PHP Extension "mcrypt" must be loaded PHP Extension "curl" must be loaded PHP Extension "gd" must be loaded Anybody would be so nice to tell me the way to install the PHP add-on-s? Thank you very much.

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kernel not booting after update
by Spiro Harvey 15 Nov '09

15 Nov '09

Hi all, I'm having a strange problem in which a certain box won't boot any kernel newer than 2.6.18-53. I have a kickstart setup that installs a CentOS 5.1 base (which comes with kernel 2.6.18-53), and then I do a "yum update" to 5.3. However, when 2.6.18-164 gets installed, the box is rebooted, and it dumps me in a grub prompt. If I manually enter root, kernel, initrd and boot commands and point it at the -164 kernel, I am given "Error 13: invalid or unsupported executable format." But I can manually enter the -53 kernel and that boots fine. I tried backing down to the -128 and same problem. (all our updates come from our own mirrored repos and we only sync i386 directories) I enabled the menu and selected -164, and it gave me Error 13 the first time, and subsequent selects of the menu item resulted in Error 15: File not found. Now all of the above was with a separate /boot partition. Box is a dual core Xeon (E8500) with hardware SATA RAID on board. I'm pretty sure the old boxes were the same spec (but I don't have them onsite so can't verify that) and they successfully booted the -128 kernel. I've since rebuilt it with a single / partition. I then did all the updates, and updated my grub.conf to the following: default=0 timeout=5 splashimage=(hd0,0)/boot/grub/splash.xpm.gz #hiddenmenu title CentOS (2.6.18-53.el5) root (hd0,0) kernel /boot/vmlinuz-2.6.18-53.el5 ro root=LABEL=/ initrd /boot/initrd-2.6.18-53.el5.img title CentOS (2.6.18-164.el5) root (hd0,0) kernel /boot/vmlinuz-2.6.18-164.el5 ro root=LABEL=/ initrd /boot/initrd-2.6.18-164.el5.img The menu came up but only showed the -53 option. The most common answer I seem to find with Grub's Error 13 is that a different architecture kernel was installed, but they're all the same; ie; i686 kernel from i386 repo. [root@dhcp-248 boot]# file vmlinuz-2.6.18-53.el5 vmlinuz-2.6.18-53.el5: ELF 32-bit LSB shared object, Intel 80386, version 1, stripped [root@dhcp-248 boot]# file vmlinuz-2.6.18-164.el5 vmlinuz-2.6.18-164.el5: ELF 32-bit LSB shared object, Intel 80386, version 1, stripped current running kernel is: Linux dhcp-248.off.knossos.net.nz 2.6.18-53.el5 #1 SMP Mon Nov 12 02:22:48 EST 2007 i686 i686 i386 GNU/Linux [root@dhcp-248 ~]# rpm -qa | grep kernel kernel-2.6.18-53.el5 kernel-2.6.18-164.el5 [root@dhcp-248 ~]# yum list kernel* Loaded plugins: fastestmirror Determining fastest mirrors knl-base 2508/2508 knl-gen 42/42 knl-updates 528/528 Installed Packages kernel.i686 2.6.18-53.el5 installed kernel.i686 2.6.18-164.el5 installed Available Packages kernel-PAE.i686 2.6.18-164.el5 knl-updates kernel-PAE-devel.i686 2.6.18-164.el5 knl-updates kernel-debug.i686 2.6.18-164.el5 knl-updates kernel-debug-devel.i686 2.6.18-164.el5 knl-updates kernel-devel.i686 2.6.18-164.el5 knl-updates kernel-doc.noarch 2.6.18-164.el5 knl-updates kernel-headers.i386 2.6.18-164.el5 knl-updates kernel-xen.i686 2.6.18-164.el5 knl-updates kernel-xen-devel.i686 2.6.18-164.el5 knl-updates [root@dhcp-248 ~]# cat /etc/fstab LABEL=/ / ext3 defaults 1 1 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 LABEL=SWAP-isw_dgcfec swap swap defaults 0 0 [root@dhcp-248 ~]# fdisk -l Disk /dev/sda: 251.0 GB, 251059544064 bytes 255 heads, 63 sectors/track, 30522 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 30391 244115676 83 Linux /dev/sda2 30392 30522 1052257+ 82 Linux swap / Solaris Disk /dev/sdb: 251.0 GB, 251059544064 bytes 255 heads, 63 sectors/track, 30522 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 * 1 30391 244115676 83 Linux /dev/sdb2 30392 30522 1052257+ 82 Linux swap / Solaris [root@dhcp-248 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 226G 1.3G 213G 1% / tmpfs 504M 0 504M 0% /dev/shm -- Spiro Harvey Knossos Networks Ltd 021-295-1923 www.knossos.net.nz

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stunbdc
by Timothy Murphy 15 Nov '09

15 Nov '09

Does anyone know if the program stunbdc, which prints one's IP address, is available in CentOS-5? It comes with the libnice package in Fedora-11. ------------------------------ [tim@rose ~]$ stunbdc -4 stun.ekiga.net Server address: 75.101.138.128 port 3478 STUN transaction started (timeout 600ms). STUN unknown: 0 mandatory attribute(s)! Received 88-bytes STUN message No XOR-MAPPED-ADDRESS: 1 Mapped address found! Mapped address: 79.53.131.211 port 44939 ------------------------------ Or is there any other program as simple as this ... ? -- Timothy Murphy e-mail: gayleard /at/ eircom.net tel: +353-86-2336090, +353-1-2842366 s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland

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Hello Everyone
by earl ramirez 15 Nov '09

15 Nov '09

Hello Everyone, My names is Earl Ramirez, I am from the little islands of Trinidad and Tobago.I will like to be part of this wonderful community I'm new to CentOS and I will like to contribute in any way that I can, I have a few certificates which include Security+ and Linux+ from Comptia. I'm currently preparing for RHEL exam so I think that I might be able to contribute in some little way. I hope that you accept me as part of this community Thank Earl - Done. -- Evolution Of Linux OS "The Most Powerful Operating System In The World"

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On-Boot Scripts
by Victor Subervi 14 Nov '09

14 Nov '09

Hi; Where do I add my on-bootup scripts? TIA, Victor

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Discuss November 2009