title: Install VMware : Could not open /dev/vmmon: No such file or directory. Please make sure that the kernel module `vmmon' is loaded
body: <p>I downloaded the VMware S/W from official website and installed the same. When I try to run any virtual machine it shows error</p>
  
  <blockquote>
    <p>Could not open /dev/vmmon: No such file or directory. Please make sure that the kernel module `vmmon' is loaded</p>
  </blockquote>
  
  <p>and says <code>failed to initialize</code>.
  I tried <a href="https://forums.virtualbox.org/viewtopic.php?f=7&amp;t=77363&amp;start=15" rel="noreferrer">this</a> solution and at the last command got the following error </p>
  
  <pre><code>$ sudo mokutil --import MOK.der
  </code></pre>
  
  <blockquote>
    <p>EFI variables are not supported on this system``</p>
  </blockquote>
  
  <p>Also I couldn't install the virtualbox as well, the error was  </p>
  
  <blockquote>
    <p>Kernel driver not installed (rc=-1908)</p>
  </blockquote>