title: Ovewrite a symbolic link to your executable JAR file
body: <p>I want to create or ovewrite a symbolic link to a executable JAR file:</p>
  
  <pre><code> sudo ln -s /var/elcor/elCorApp-1.0.0-SNAPSHOT.jar /etc/init.d/elcor
  ln: failed to create symbolic link '/etc/init.d/elcor': File exists
  </code></pre>
  
  <p>but the file already exists</p>