> > On Friday 11 July 2008 06:39:53 am Masopust, Christian wrote:
>> > > has anybody of you done a upgrade of RHEL4 to RHEL5 without booting
>> > > form DVD?

Here is a short script I use to automatically add the appropriate files and grub
entry to boot anaconda from an existing grub (for example EL4).

Partially based on these:
http://fedoraproject.org/wiki/FWN/Issue105#CDs.2C_DVDs_Or_Netboot_Oh_My.21
https://www.redhat.com/archives/fedora-devel-list/2007-October/msg00888.html


#!/bin/sh
mkdir -p /boot/pxeboot
wget -P /boot/pxeboot/
http://kickstart.example.com/ks/el5/images/pxeboot/vmlinuz
wget -P /boot/pxeboot/
http://kickstart.example.com/ks/el5/images/pxeboot/initrd.img

grubby --add-kernel=/boot/pxeboot/vmlinuz \
       --args="ks=http://kickstart.example.com/ks/server.cfg
ksdevice=link ramdisk=32768" \
       --make-default --title="reinstall" --initrd=/boot/pxeboot/initrd.img

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