Hi,

I don't have any problem on Scientific Linux (SL). Which should be more or less the same es CentOS. Does this HowTo help?

http://www.livecd.ethz.ch/diskless.html

        Urs

On 04/24/2013 03:12 PM, Jiang Jim wrote:

I want to pxe a official CentOS-6.3-x86_64-LiveCD.iso to other servers.
I face to some problem, I use livecd-iso-to-pxeboot to build a tftpboot/.

I can get vmlinuxz0 and initrd0.img

This is my pxelinux.cfg/default

DEFAULT pxeboot
TIMEOUT 20
PROMPT 0
LABEL pxeboot
         KERNEL livecd/vmlinuz0

         APPEND rootflags=loop initrd=livecd/initrd0.img root=live:/CentOS-6.3-x86_64-LiveCD.iso rootfstype=auto ro liveimg nodiskmount nolvmmount  rhgb vga=791 rd.luks=0rd.md  <http://rd.md>=0rd.dm  <http://rd.dm>=0  rd.live.check

ONERROR LOCALBOOT 0


But someting wrong in root section

cannot open root device "live:/CentOS-6.3-x86_64-LiveCD.iso"

I want to find out whereCentOS-6.3-x86_64-LiveCD.iso It put into initrd0.img

I extract the content of initrd0.img, but when I extract coip img, 700mb content become 21m

I can't find where the  CentOS-6.3-x86_64-LiveCD.iso is.

Then I found the code of livecd-iso-to-pxeboot

( cd "$ISODIRNAME" && echo "$ISOBASENAME" | cpio -H newc -L -o ) |
   gzip -9 |
   cat $CDMNT/isolinux/initrd0.img - > tftpboot/initrd0.img

I can't understand why this commend is using cat to put two file, initrd and iso together.

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