title: Is there a way to dynamically change hostname to ip address mapping in linux (without having to restart)?
body: <p>In a linux system, I suppose you can configure hostname to IP address mapping in /etc/hosts, but I guess if you change the mapping for a particular hostname, you would have to restart for the change to take effect.</p>
  
  <p>Is there a way to dynamically (without restarting) change the mapping of a hostname to a different IP address?</p>