title: Monitor log size activity
body: <p>How can I get an alert if a file's size stops growing?</p>
  
  <pre><code>tail -f mytext.txt 
  </code></pre>
  
  <p>show's lines being appended to a file.</p>
  
  <pre><code>mail -s "Alert" email@email.com 
  </code></pre>
  
  <p>can send an an alert. </p>
  
  <p>I'm a bit lost on how you can combine the two or if there is a more efficient way of monitoring a file's activity. </p>