nhr

function get_eth0_ipaddr() {
  eth0_ip=$(ip addr list eth0 | grep 'inet ' | tr -s ' ' | cut -d ' ' -f 3 | cut -d '/' -f 1)
  echo "${eth0_ip}"
}

function get_public_ipaddr() {
  public_ip=$(curl -s ipecho.net/plain)
  echo "${public_ip}"
}