Foreman on ubuntu

Install and configure isc-dhcp-server

• apt-get install isc-dhcp-server

sample config

ddns-update-style interim;
ignore client-updates;
authoritative;
allow booting;
allow bootp;
omapi-port 7911;
key omapi_key {
        algorithm HMAC-MD5;
        secret "2wgoV3yukKdKMkmOzOn/hIsM97QgLTT4CLVzg9Zv0sWOSe1yxPxArmr7a/xb5DOJTm5e/9zGgtzL9FKna0NWis==";
}
omapi-key omapi_key;
subnet 192.168.252.0 netmask 255.255.255.0 {
  option routers      192.168.252.1;
  option subnet-mask  255.255.255.0;

  option domain-name    "xinux.org";
  option domain-name-servers  192.168.240.200;
  range dynamic-bootp 192.168.252.10 192.168.252.30;
  default-lease-time 21600;
  max-lease-time 43200;
}

Install Foreman
Repositories
*apt-get -y install ca-certificates
*wget https://apt.puppetlabs.com/puppetlabs-release-trusty.deb
*dpkg -i puppetlabs-release-trusty.deb
Enable the Foreman repo
*echo "deb http://deb.theforeman.org/ trusty 1.9" > /etc/apt/sources.list.d/foreman.list
*echo "deb http://deb.theforeman.org/ plugins 1.9" >> /etc/apt/sources.list.d/foreman.list
*wget -q http://deb.theforeman.org/pubkey.gpg -O- | apt-key add -
Downloading the installer
*apt-get update && apt-get -y install foreman-installer