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#!/bin/bash
# A basic script to setup a PXE server enviroment for Arch Linux live-media.
# Contributed by Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
# usage example: archiso-pxe-server [ip] [bootdevice]
BOOT=/bootmnt/boot
TFTPBOOT=/var/tftpboot
IP="$1"
ISO="$2"
IP_ETH0=`ifconfig eth0 | awk -F":| +" '/inet addr/{print $4}'`
if grep archisolabel /proc/cmdline > /dev/null; then
LABEL=`sed "s/.\+archisolabel=\([^ ]\+\).\+/\1/" /proc/cmdline`
else
LABEL=""
fi
usage()
{
echo
echo "archiso-pxe-server [ip] [bootdevice]"
echo
echo " options:"
echo " [ip] ip address of the local interface to serve (default use ip of eth0)"
echo " [bootdevice] boot device of Arch Linux Live media (for example /dev/cdrom)"
echo
}
copy_files()
{
if [ ! -d $TFTPBOOT ]; then
mkdir -p $TFTPBOOT/boot/i686
mkdir -p $TFTPBOOT/boot/x86_64
mkdir -p $TFTPBOOT/pxelinux.cfg
[ -f $BOOT/vmlinuz26 ] && cp $BOOT/vmlinuz26 $TFTPBOOT/boot
[ -f $BOOT/archiso.img ] && cp $BOOT/archiso.img $TFTPBOOT/boot
[ -f $BOOT/i686/vmlinuz26 ] && cp $BOOT/i686/vmlinuz26 $TFTPBOOT/boot/i686
[ -f $BOOT/i686/archiso.img ] && cp $BOOT/i686/archiso.img $TFTPBOOT/boot/i686
[ -f $BOOT/x86_64/vmlinuz26 ] && cp $BOOT/x86_64/vmlinuz26 $TFTPBOOT/boot/x86_64
[ -f $BOOT/x86_64/archiso.img ] && cp $BOOT/x86_64/archiso.img $TFTPBOOT/boot/x86_64
cp $BOOT/memtest $TFTPBOOT/boot
cp $BOOT/x86test $TFTPBOOT/boot
cp $BOOT/splash.png $TFTPBOOT/boot
cp $BOOT/isolinux/pxelinux.0 $TFTPBOOT
cp $BOOT/isolinux/chain.c32 $TFTPBOOT
cp $BOOT/isolinux/reboot.c32 $TFTPBOOT
cp $BOOT/isolinux/vesamenu.c32 $TFTPBOOT
sed 's|IPAPPEND 0|IPAPPEND 3|g' \
$BOOT/isolinux/isolinux.cfg > \
$TFTPBOOT/pxelinux.cfg/default
fi
}
start_pxe_server()
{
dnsmasq \
--enable-tftp \
--tftp-root=$TFTPBOOT \
--dhcp-boot=/pxelinux.0,"${IP}" \
--dhcp-range=${IP%.*}.2,${IP%.*}.254,86400
}
start_nbd_server()
{
nbd-server 9040 ${ISO} -r
}
check_parameters()
{
if [ -z "$IP_ETH0" -a -z "$IP" ]; then
echo "ERROR: missing IP address"
usage
exit 1
else
IP=$IP_ETH0
fi
if [ -z "$LABEL" -a -z "$ISO" ]; then
echo "ERROR: can't determine boot device, please specify on command line"
usage
exit 1
else
ISO="/dev/disk/by-label/$LABEL"
fi
}
check_parameters
copy_files
start_pxe_server
start_nbd_server
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