k30s configuration scripts

dhcpcd.conf

 A sample configuration for dhcpcd.
# See dhcpcd.conf(5) for details.

# Allow users of this group to interact with dhcpcd via the control socket.
#controlgroup wheel

# Inform the DHCP server of our hostname for DDNS.
hostname

# Use the hardware address of the interface for the Client ID.
clientid
# or
# Use the same DUID + IAID as set in DHCPv6 for DHCPv4 ClientID as per RFC4361.
# Some non-RFC compliant DHCP servers do not reply with this set.
# In this case, comment out duid and enable clientid above.
#duid

# Persist interface configuration when dhcpcd exits.
persistent

# Rapid commit support.
# Safe to enable by default because it requires the equivalent option set
# on the server to actually work.
option rapid_commit

# A list of options to request from the DHCP server.
option domain_name_servers, domain_name, domain_search, host_name
option classless_static_routes
# Respect the network MTU. This is applied to DHCP routes.
option interface_mtu

# Most distributions have NTP support.
#option ntp_servers

# A ServerID is required by RFC2131.
require dhcp_server_identifier

# Generate SLAAC address using the Hardware Address of the interface
#slaac hwaddr
# OR generate Stable Private IPv6 Addresses based from the DUID
slaac private

# Example static IP configuration:

interface eth0
static ip_address=192.168.0.100/24
static routers=192.168.0.1
static domain_name_servers=8.8.8.8

each.sh

#!/bin/sh

exec_cmd() {
 echo "[$1] $2"
 echo ""
 ssh -o ConnectTimeout=1 pi@$1 $2
 echo ""
}

# Customize {101..124} for the number of RPis you have i.e. for host in {101..111} for 10 hosts
for host in {101..124}
do
    exec_cmd 192.168.0.$host "$@"
done

make.sh

#!/bin/bash

echo "Host: k30s-$1"

mount /dev/sdc1 /mnt/sd/boot
mount /dev/sdc2 /mnt/sd/root

mkdir -p /mnt/sd/root/home/pi/.ssh/
cat authorized_keys > /mnt/sd/root/home/pi/.ssh/authorized_keys

sed -ie s/raspberrypi/k30s-$1/g /mnt/sd/root/etc/hostname 
sed -ie s/raspberrypi/k30s-$1/g /mnt/sd/root/etc/hosts

touch /mnt/sd/boot/ssh

echo "gpu_mem=16" >> /mnt/sd/boot/config.txt

echo "PasswordAuthentication no" >> /mnt/sd/root/etc/ssh/sshd_config

sed s/100/$1/g dhcpcd.conf > /mnt/sd/root/etc/dhcpcd.conf

rm -rf /mnt/sd/root/etc/motd

sync

umount /dev/sdc1
umount /dev/sdc2

echo "Host: k30s-$1"