Discuss September 2008

discuss@lists.centos.org

264 participants
315 discussions

Re: [CentOS] USB flash drive and VMs (Was Curmudgeoning)
by David G. Miller 05 Sep '08

05 Sep '08

"Marcelo Roccasalva" <marcelo-centos(a)irrigacion.gov.ar> wrote: > > Flash support under qemu seems to be about the same as CD-ROM support. That > > is, you can access a device present at start up but it's not swappable. > > > You can swap cdrom from qemu monitor. I haven't tried, but I think the > same thing can be applied to usb.. It looks like the qemu monitor should let you either eject the device or delete/add the USB drive using usb_del and usb_add. I wasn't able to get it to work. W2K gives me a control to unmount the thumb drive in the system tray which makes the drive "disappear" from W2K. Unfortunately, attaching a new drive or just reattaching the old drive isn't recognized by W2K. qemu monitor tells me it unable to add the new device or delete the old device. If hot swapping a USB drive can be made to work with qemu, swapping a USB drive will still be ugly. The USB device number assigned by the kernel changes each time I swap thumb drives. This isn't too bad but access to /proc/bus/usb/<usb_bus_number>/<usb_dev_number> is root:root with permissions rw-r--r--. This means that each time I swap the drive I have to chmod the "new" USB device entry. I don't see this changing even if I can get qemu to let me add the new device. I'll have to try using qemu monitor to swap a CD-ROM at some point in the future. Usually I only use W2K and IE under qemu to access those few sites that still only work with IE (e.g., my state's income tax site). Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

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gFTP IPv6 bug
by Robert Moskowitz 05 Sep '08

05 Sep '08

I found the following bug report that matches what I am seeing with the gFTP we have in Centos: http://bugzilla.gnome.org/show_bug.cgi?id=350813 This is an old bug that they claim has been fixed in CVS. Has that been applied to what we are running? Becuase gFTP crashes for me on IPv6 using FTP.

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Compiling v6tun from KAME
by Robert Moskowitz 05 Sep '08

05 Sep '08

I need vtun working over IPv6. The version from rpmforge does not seem to support IPv6 (binds to 0.0.0.0:5000 if I specify binding to the interface, and won't let me put in an IPv6 address for address binding). So I was pointed to the KAME (which does not provide any FC/RHEL support. The person who sent me there provided a makefile that he said works on Linux, but did not work for me: Makefile from KAME: install_dir = /usr/local/v6/bin v6tun: v6tun.o cc -o $@ $> install: v6tun -rm -f $(install_dir)/v6tun install -c -o root -g wheel -m 04710 v6tun $(install_dir) clean: -rm -f *.o v6tun Makefile from contact: v6tun: v6tun.o gcc v6tun.c v6tun.h -o v6tun install: v6tun -rm -f $(install_dir)/v6tun install -c -o root -g wheel -m 04710 v6tun $(install_dir) clean: 6tun: v6tun.o -rm -f *.o v6tun gcc v6tun.c v6tun.h -o v6tun install: v6tun -rm -f $(install_dir)/v6tun install -c -o root -g wheel -m 04710 v6tun $(install_dir) clean: -rm -f *.o v6tun I changed the install_dir to /usr/local/bin I had put the makefile, v6tun.c, & v6tun.h in /root/v6tun and as root issued make install. I got the following error: Makefile:10: *** target pattern contains no '%'. Stop. What is missing to get this compiled?

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OT Spammer Mark Kabore on this list
by josh donovan 05 Sep '08

05 Sep '08

Hi folks, A spammer is getting email addresses from the mailing list and sending people an email saying he needs help. This is the classic advance free fraud. This is what he says in broken english - "I need your urgently assistance in transferring the sum of $39.5)million to your account. This fund belongs to our decease costumer who died along with his Family in air crash. Contacts me for more details." Thanks, Josh.

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Custom install DVD with new (SB600 chipset & Intel network) kernel modules
by Keith Wilkinson 05 Sep '08

05 Sep '08

First, congratulations on the fabulous CentOS Wiki. About the only information that I haven't found on it is how to create a custome install DVD with added kernel modules -- e.g. when the standard install DVD does not support the motherboard chipset (SATA drives & network cards not recognized, for example) and network card. I have an AMD ATI motherboard with SB600 chipset. When I tried to install the RH5.2 trial, I could not get Internet connectivity either with the onboard network chip (the network chip was recognized, but not the SB600 chipset interface) or with an Intel server net- work card (seems that the Intel driver in 5.2 does not support that network card's chip). Maybe I had to set IDE emulation for the SATA drives in the BIOS as well, I don't remember. Both the AMD ATI SB600 chipset and the Intel server card worked without problems on Fedora 9, so I'd like to try to compile the Fedora 9 modules on CentOS 5.2 then create an updated DVD ISO that is installable and has network connectivity on my hardware.

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Re: [CentOS] OT: workstation recommends: Thinkmate?
by Barry Olddog 05 Sep '08

05 Sep '08

----- Original Message ---- > From: Rainer Duffner <rainer(a)ultra-secure.de> > To: CentOS mailing list <centos(a)centos.org> > Sent: Thursday, September 4, 2008 4:49:02 PM > Subject: Re: [CentOS] OT: workstation recommends: Thinkmate? > > > Am 04.09.2008 um 21:36 schrieb Lanny Marcus: > > > Barry Olddog wrote: > >> I'm looking to buy a new workstation, and it looks like Thinkmate > >> makes what I need -- their vsx "virtually silent" variety. I > >> hestitate because I wasn't happy with a laptop I bought a few > >> years ago from a small outfit that sold Linux boxes exclusively. > >> Does anyone have experience with Thinkmate, and in particular, the > >> VSX line? If the later, is it really quiet. I run Centos on four > >> machines now, three of which are Dells, and I'm hoping to do > >> better. The Dell T5400 is close to what I want, but I get more for > >> less from Thinkpad -- at least on paper. > > > > No experience with Thinkmate, or, knowledge of them, but 4 of the 5 > > computers in this room are Dell's. If Thinkmate is a long > > established company, with an excellent reputation, buy from them. If > > not, Dell will be around, to support your T5400, for a long time. > > > > > Indeed. > But before I spent that much money on a PC, I'd want to *see* it and > hear it. In reality. > Anybody can claim to manufacture a "virtually silent" workstation. > > Too bad, Apple is the only vendor that has stores and all models on > display (at least, for desktops - but for a server, noise isn't > relevant anyway). > > How much is the price difference actually? > > > Rainer The difference is about $1,000 -- 25% more for the Dell -- but the machines are not exactly the same. Thinkmate is opteron, and the Dell, xeon -- which some would say is a factor in Dell's favor; Dell includes a RH subscription whether you want it or not; Dell has three hard drives (the max), Thinkmate four. With the Dell, the memory comes from Crucial, which means there's a waste of two small modules; Thinkmate sells memory at a reasonable price (I'm figuring 32 gigs). The HP xw9400 is closer to the Thinkmate, but an extra $200 to $300, with memory from Crucial. I'm just leery of a maker that I don't know; I searched for reviews and comments, but found almost nothing. Maybe that's telling me something. Barry

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A new blog on the block for Linux newbies
by Sadaruwan Samaraweera 04 Sep '08

04 Sep '08

Hi Good People, I've created a blog to help newbies in the world of Linux. Can you people see it and tell what departments that I've to improve more to help the grate community of Linux. Please click this link to go to my blog http://slinuxworld.blogspot.com/ Thank you -- Sadaruwan Samaraweera -- Sadaruwan Samaraweera

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Problems making custom isolinux.cfg
by treed＠ultraviolet.org 04 Sep '08

04 Sep '08

I have added a few custom RPM's to my CentOS 5.2 CD, dropped a kickstart.cfg file in the root of the CD, and now want to change the isolinux.cfg in the boot.iso so that it will automatically do a kickstart install when the CD boots up. I am using buildinstall to make the ISO. I edited the isolinux.cfg in /isolinux in my CentOS 5.2 distribution tree off of which I am building my ISO. But after buildinstall runs the isolinux.cfg is changed back! Where is it getting the original from? Where should I be changing it to get my modified isolinux.cfg into my cd? Just to get around the isolinux.cfg issue manually I tried booting and at the prompt I say: linux ks=cdrom:/kickstart.cfg But it says that it cannot find the kickstart.cfg file. Is it expecting it in the root of the boot.iso or of the CD? I put it in the root of the CD. I can mount the CD and see that it is there. I can't figure out how to put it in the root of the boot.iso (if it even needs to go there) because apparently that is getting remade by the buildinstall also and I'm not sure where it is getting the contents from. Here is the entire process I use for building and burning the ISO: /usr/lib/anaconda-runtime/buildinstall --version 5 --product CentOS --comps /var/www/html/centos/5.2/os/x86_64/repodata/comps.xml --release MyCentOS-5 --prodpath CentOS /var/www/html/centos/5.2/os/x86_64 mkisofs -R -J -T -r -l -d -allow-multidot -allow-leading-dots -no-bak -o /var/www/html/centos/5.2/isos/MyCentOS-5.2-x86_64.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table /var/www/html/centos/5.2/os/x86_64/ cdrecord blank=fast -dev=/dev/sg1 -v -eject /var/www/html/centos/5.2/isos/MyCentOS-5.2-x86_64.iso Any help would be greatly appreciated! -- Tracy Reed http://tracyreed.org

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OT: workstation recommends: Thinkmate?
by Barry Olddog 04 Sep '08

04 Sep '08

I'm looking to buy a new workstation, and it looks like Thinkmate makes what I need -- their vsx "virtually silent" variety. I hestitate because I wasn't happy with a laptop I bought a few years ago from a small outfit that sold Linux boxes exclusively. Does anyone have experience with Thinkmate, and in particular, the VSX line? If the later, is it really quiet. I run Centos on four machines now, three of which are Dells, and I'm hoping to do better. The Dell T5400 is close to what I want, but I get more for less from Thinkpad -- at least on paper. thx, Barry

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kickstart problems
by Paolo Supino 04 Sep '08

04 Sep '08

Hi I'm having a problem with setting up a kickstart environment based on CentOS 5.2 x86_64, on a Sun X2200 M2 server (both the server and the client in the kickstart environment are Sun X2200 M2 systems): the first attempt to load stage2.img fails with the error screen: "unable to retrieve http://192.168.11.10/source/images/stage2.img". Pressing the "OK" button brings up the "HTTP Setup" screen with "Website name: 192.168.11.10" and "CentOS directory: /source" if I press OK it successfully loads stage2.img file and continues with the kickstart installation to a successful completion. I checked the apache logs on 192.168.11.10 and there is no attempt by the client to even load stage2.img before it prompts for the error. Has anyone encounter this problem and has a solution for it? -- ttyl Paolo

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Discuss September 2008