title: Node.js: How to change log level without restarting the server?
body: <p>In the Node.js application, I use Winston for logging. Right now, the <code>winston.level</code> is set from <code>process.env.LOG_LEVEL</code> variable. </p>
  
  <p>How to reset the <code>winston.level</code> whenever there is a change in <code>process.env.LOG_LEVEL</code> without restarting the Node process or server.</p>