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===== Net install =====
==== Setup dnsmasq Server ====
<code>
apt -y install dnsmasq pxelinux tcpdump iftop ethtool
</code>
<code>
vi /etc/dnsmasq.conf
...
# disable DNS
port=0

# dhcp range, lease for 12 h
dhcp-range=192.168.1.2,192.168.1.60,12h

# option 3 = default gateway
dhcp-option=3,192.168.1.1

# option 6 = DNS servers
dhcp-option=6,192.168.1.1

dhcp-host=00:01:02:03:04:05,192.168.1.9
dhcp-host=06:07:08:09:0a:0b,192.168.1.5
dhcp-host=0c:0d:0e:0f:00:01,192.168.1.52

pxe-service=x86PC,"Network Boot",pxelinux

enable-tftp
tftp-root=/srv/tftpboot
</code>
<code>
systemctl restart dnsmasq.service
</code>
<code>
mkdir -p /srv/tftpboot
cd /srv/tftpboot/

cp /usr/lib/PXELINUX/pxelinux.0 /srv/tftpboot/
cp /usr/lib/syslinux/modules/bios/ldlinux.c32 /srv/tftpboot/
cp /usr/lib/syslinux/memdisk /srv/tftpboot/

wget https://deb.debian.org/debian/dists/stable/main/installer-amd64/current/images/netboot/mini.iso
</code>
<code>
cd /srv/tftpboot
mkdir pxelinux.cfg
cd pxelinux.cfg

vi 01-00-01-02-03-04-05
...
default deb
label deb
linux memdisk
append iso
initrd mini.iso
</code>

==== Troubleshoot ====
<code>
tcpdump host 192.168.1.9 -vvven
tcpdump ether host 00:01:02:03:04:05 -vvven
</code>