#!/bin/bash

sudo apt update
sudo apt install -y isc-dhcp-server

config="default-lease-time 600;
max-lease-time 7200;

subnet 192.168.16.0 netmask 255.255.255.0 {
    range 192.168.16.10 192.168.16.100;
    option subnet-mask 255.255.255.0;
    option domain-name-servers 192.168.16.1;
}"

echo -e "INTERFACES='$1'" | sudo tee /etc/default/isc-dhcp-server >/dev/null

echo -e "$config" | sudo tee /etc/dhcp/dhcpd.conf >/dev/null

systemctl start isc-dhcp-server
systemctl enable isc-dhcp-server