Discuss January 2008

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311 participants
383 discussions

RE: [CentOS] Yum-update error
by Harry Sukumar 07 Jan '08

07 Jan '08

Hi again, Problem solved, I am able to connect to mirror server now, I guess there was a problem with mirror server, someone seem to have fixed it. Everything rocks now Special thanks to Akemi Cheers!!! Harry -----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Akemi Yagi Sent: Monday, 7 January 2008 3:52 PM To: CentOS mailing list Subject: Re: [CentOS] Yum-update error On Jan 6, 2008 9:37 PM, Harry Sukumar <hsukumar(a)bond.edu.au> wrote: > > Dear All, > > Quick question: I am currently having issues with "yum", I recently updated > centos 5 server using the command > > # yum update > > Yum was working fine till, before the update, > > When I try to use yum now I am getting the following error, > ------------------------------------------------------------------------ --------------------------------------- > > [root@pet ~]# yum list all > > Loading "installonlyn" plugin > > Setting up repositories > > Could not retrieve mirrorlist > http://mirrorlist.centos.org/?release=5&arch=i386&repo=extras error was > > [Errno 14] HTTP Error 503: Service Unavailable I believe there is some problem with CentOS mirror servers. Just wait and try again later. Akemi _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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How do I blank or overwrite DVD-RW disks in CentOS 5?
by Robert Nichols 07 Jan '08

07 Jan '08

I'm trying to use DVD-RW ("minus RW") disks in my LG GSA-4040B drive. I can write a new disk just fine, but can't find any way to blank or re-use a disk. When I run xcdroast and click on the "Blank CD/DVD+-RW" button, I get "Error while blanking." Here is last part of the dialog: Using generic SCSI-3/mmc DVD-R(W) driver (mmc_mdvd) Driver flags : SWABAUDIO BURNFREE Supported modes: PACKET SAO Drive buf size : 1245184 = 1216 KB Drive DMA Speed: 11772 kB/s 66x CD 8x DVD cdrecord.prodvd: Success. set streaming: scsi sendcmd: no error CDB: B6 00 00 00 00 00 00 00 00 00 1C 00 status: 0x2 (CHECK CONDITION) Sense Bytes: F0 00 05 00 00 00 00 10 B6 00 00 0D 21 00 00 00 Sense Key: 0x5 Illegal Request, Segmant 0 Sense Code: 0x21 Qual 0x00 (logical block address out of range) Fru 0x0 Sense flags: Blk 0 (valid) cmd finished after 0.004 s timeout 40s Current Secsize: 2048 cdrecord.prodvd: Cannot set speed/dummy. ATIP start of lead in: -150 (00:00/00) I've had similar lack of success trying to blank or overwrite using cdrecord or growisofs. The disks I'm using are Sony 2X DVD-RW 4.7GB, which _should_ be compatible with the drive AFAICT. The drive is happy to write to a new disk. I'm not using KDE, so I'd prefer a command-line or Gnome tool. -- Bob Nichols "NOSPAM" is really part of my email address. Do NOT delete it.

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Weird crash with CentOS 5.1
by Jean-Yves Avenard 07 Jan '08

07 Jan '08

Dear all. I'm experiencing a weird crash with one of our desktop running CentOS 5.1 We have 5 machines identical, onle one has this problem. Right after it starts, it will kernel panic. Unfortunately, from the backtrace this is all I've managed to get : serial port isn't working. So it's a manual copy of what the screen show. [<c04721f3>] sync_buffer+0x0/0x33 [<c04bff66>] avc_has_perm+0x3a/0x44 [<c04c055d>] inode_has_perm+0x54 [<f8899829>] ext3_lookup+0x25/0xb7 [ext3] [<c047b0d1>] do_lookup+0xb4/0x166 [<c047ce5b>] __link_path_walk+0x87a/0xd33 [<c047d35d>] link_path_walk+0x49/0xbd [<c046f582>] sys_chdir+0x4f/0x57 [<c047d72a>] do_path_lookup+0x20e/0x25e [<c0470daf>] get_empty_filp+0x99/0x15e [<c047dfd7>] __path_lookup_intent_open+0x42/0x72 [<c047e056>] path_lookup_open+0xf/0x13 [<c047e15a>] open_namei+0x7b/0x609 [<c046e8ca>] do_filp_open+0x1c/0x31 [<c046f582>] sys_chdir+0x4f/0x57 [<c046e91d>] do_sys_open+0x3e/0xae [<c046e9ba>] sys_open+0x16/0x18 [<c0404eff>] syscall_call+0x7/0xb ======================= Code: 0c 29 d0 83 e8 18 c1 e8 03 39 c1 74 29 68 d4 22 8a f8 68 80 01 00 00 68 3e 21 8a f8 68 68 12 8a f8 68 4e 21 8a f8 e8 d0 f1 b8 c7 <0f> 0b 80 01 3e 21 8a f8 83 c4 14 8b 44 24 28 89 44 24 0c 66 8b EIP: [<f8897626>] dx_probe+0x16e/0x2b4 [ext3] SS:ESP 0068:f7e47cc4 <0>Kernel panic - not syncing: Fatal exception This machine is dual booting windows and CentOS. Windows has no problem and will run just fine (so I believe this is not a hardware issue). Interestingly, this machine worked fine for several weeks and one day decided to crash within the first few seconds of boot. I have tried with several kernel, including the latest one as of today: not working any better. If I boot the CentOS DVD, when it comes to searching for existing CentOS installation, it will crash just the same. If I format the linux partition, I can then re-install CentOS, update it just fine... Then a few days later it will crash just the same right after booting. This machine is running a Gigabyte P35-DS3P motherboard, with 2GB of DDR2-667MHz RAM, an Intel core-duo quad: Q6600. It has two 250GB hard drive in RAID1 using the bios RAID support (so I can have RAID on both Windows and Linux). It's running the 32 bits version of CentOS 5 Any ideas what the problem could be? Any help will be greatly appreciated. Thank you Jean-Yves

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nForce 630i Chipset, unable to get integrated nic working
by David Levinger 07 Jan '08

07 Jan '08

Hello everyone, I've also posted this onto the Network support forums but figured I'd shoot it to the mailing list as well. I recently purchased a ECS GF7100PVT-M motherboard and now I'm wishing I'd investigated driver support a little better before I did! I was able to get Centos 5.1 XEN Kernel installed but have been having a helluva time getting the on board NIC going. The MB is running a nForce 630i chipset and has the nic card listed as a Realtek 8111B. I've downloaded what I believe to be the latest Realtek drivers and if I do an lsmod I can see the r8168 module present. I've tried adding the line alias eth0 r8168 to my /etc/modprobe.conf file but it hasn't gotten me anywhere, I've also tried with Nvidia's forcedeth module to no avail. Does anyone have some ideas of what I could try next? Do I need a newer version of the forcedeth driver? Is this chipset not going to work with Centos 5.1? Is it a Xen related issue? lspci shows "Ethernet controller: nVidia Corporation Unknown device 07dc (rev a2)" Any thoughts/pointers would be much appreciated. Thanks in advance, David

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Iptables and impersonating another O/S
by Tom Laramee 07 Jan '08

07 Jan '08

i have a CentOS 5.1 server running sshd (exposed to the outside world). i'd like to use iptables to fool nmap into thinking i'm running another O/S. e.g.: iptables -t mangle -A PREROUTING -d 192.168.0.64 -j PERS \ --tweak dst --local --conf /etc/personalities/macos9.conf iptables -t mangle -A OUTPUT -d 192.168.0.64 -j PERS \ --tweak src --local --conf /etc/personalities/macos9.conf all of the tutorials on iptables i've found take me through steps that involve a kernel recompile ... do i really need to do this? is there a tutorial that provides a somewhat large degree of detail on how to do what i'm interested in doing? i haven't compiled a kernel in approx. a decade (slackware). of course, i'd like to avoid the kernel recompile if possible. thanks --tom

2 1

mounting & partitioning Seagate FreeAgent external HD
by Tim McGeary 06 Jan '08

06 Jan '08

Hi all, As a disclaimer, I'm new to this list and very green administering CentOS. I run it on my test servers and do very basic networking and server administration (most users, permissions, and web app stuff). I have a backup server that I am using rsync to collect important in-process file for our digital library from both Windows and Linux servers, as well as a specific applications which are updated on a separate test server. This backup server ran out of space and I have no more internal slots available to add another disk, so I bought a 750 GB Seagate FreeAgent external USB hard drive. I've seen some various issues out there about how Seagate FA HDs go into sleep mode when used in the manner I want to, but all of the people posting about that seemed to be able to mount theirs with no problem. I can see the device in my /proc/bus/usb/devices file, but fdisk -l doesn't show it at all. I was trying to mount and partition it using Webmin, but I can't figure out the device name I need to give it to mount and partition it. How is the best way to figure that out? This particular server is running CentOS 4. Thanks, Tim -- Tim McGeary Senior Systems Specialist Lehigh University 610-758-4998 tim.mcgeary(a)lehigh.edu Google Talk: timmcgeary

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I am confused. Chmod / chown issues?
by Jason Pyeron 06 Jan '08

06 Jan '08

Where did I go wrong? [root@mail busdev]# stat . File: `.' Size: 4096 Blocks: 16 IO Block: 32768 Directory Device: ah/10d Inode: 147591 Links: 5 Access: (0750/drwxr-x---) Uid: (56755/ busdev) Gid: (56755/ busdev) Access: 2008-01-06 15:49:53.000000000 -0500 Modify: 2008-01-06 15:49:15.000000000 -0500 Change: 2008-01-06 15:59:59.000000000 -0500 [root@mail busdev]# grep ^jpyeron: /etc/group && grep ^busdev: /etc/group jpyeron:x:500: busdev:x:56755:jpyeron [root@mail busdev]# su jpyeron [jpyeron@mail busdev]$ ls -al ls: .: Permission denied [jpyeron@mail busdev]$ exit [root@mail busdev]# uname -r 2.4.21-37.EL [root@mail busdev]# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Sr. Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, purge the message from your system and notify the sender immediately. Any other use of the email by you is prohibited.

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Long time waiting on boot
by Robert Moskowitz 06 Jan '08

06 Jan '08

I just installed Centos 5.1 with XEN on my HP nc2400 duo core and there are two problems out the starting gate: Oh, I am booting off a 40Gb 2.5" drive on a USB adapter. The internal hard drive is encrypted and not usable right now (until I get XEN figured out). But I don't think it has a bearing... The system hangs for some reason at various points. When first starting up graphic (you know, when the screen goes from character mode to graphic and you can then follow the boot by pressing <alt-D>. When bringing up loopback When bringing up eth0 (dhcp server very reachable) When starting mcstransd (whatever that is) When starting system message bus When starting some bluetooth service (the first boot but not after the yum update) When starting Avahi deamon (timeout out and failed during this long wait, I should turn that service off anyway) When starting HAL (the first boot but not after the yum update) Each hangup is a few minutes! Then the system continues. I did not see anything of note in /var/log Second issue, the external video. I cannot not turn it on. This HP notebook does not offer any BIOD control of the external monitor. There is a 'presentation' button right above the keyboard you are suppose to press to toggle the external video. It does nothing. Well I do hear the drive spinning so the system is trying something? I should point out that my XP boot off the internal harddrive sometimes 'looses' the external video, and I have to go into display control and turn off then on the 'presentation' option. This could work out GREAT if I can get a few more things working (and learn XEN to boot the XP in a window).

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SOLVED: [CentOS] Skype Public Key - How to install PGP Public Key in CentOS5, from alternate site that I have in web browser?
by Lanny Marcus 06 Jan '08

06 Jan '08

On Sunday, 06 January 2008, Akemi Yagi wrote: <snip> > Question: What rpm > command do I use, to Import the Public Key that's in the browser > window? Or, if I need more than one command, what are they? You should wget that file and run the rpm command as instructed in that wiki. Akemi: Having the proper command did the trick! Thanks a million! It's installed. :-) Lanny

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Re: [CentOS] Skype Public Key - How to install PGP Public Key in CentOS5, from alternate site that I have in web browser?
by Lanny Marcus 06 Jan '08

06 Jan '08

[CentOS] Skype Public Key - How to install PGP Public Key in CentOS5, from alternate site that I have in web browser? On Sunday, January 6, 2008, Akemi Yagi wrote: <snip> Question: What rpm > command do I use, to Import the Public Key that's in the browser > window? Or, if I need more than one command, what are they? You should wget that file and run the rpm command as instructed in that wiki. Akemi: Thank you! I will try that now! I get the Digest version of the ML, and I checked on the CentOS web site, to be sure my question got to the ML OK. I couldn't believe that you answered me so quickly! :-) Your help is *always* greatly appreciated! Lanny

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Discuss January 2008