CentOS/RHEL has the 'kickstart' over network mechanism for about a decade :)
This is a big question, so in general:
1. The DVD contents should be available for reading on an NFS share.
2. TFTP server should supply PXE (see pxelinux), which would lead to the
correct kernel + initrd (also on the tftp), with kernel parameters "ks" to
point on your "ks.cfg".
3. DHCP would give the server its IP and the path to the TFTP PXE boot.
("next-server" dhcp parameter).
I'm sure there's plenty of docs out there about ks..
On Friday, 28 March 2008 17:41:50 Hetz Ben Hamo wrote:
> Hi,
>
> I just got an thinkpad X31 without the ultrabase, which means - no
> CDROM/DVD. I don't have an external CDROM/DVD (I have 6 internal DVD
> drives on my other machines already).
>
> So I was wondering if someone knows a way to install CentOS/RHEL (or
> any other Linux distribution) without using any external DVD/CD drive,
> without disk-on-key (the ISO image itself is about 3.6 GB). Any ideas?
> anyone tried to install a distribution using the PXE boot?
>
> Also, does anyone knows any Linux program which can simulate a
> CDROM/DVD drive with a PXE?
>
> Thanks,
> Hetz
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