title: How to know the TLS version install and how to upgrade to TLS v1.3
body: <p>I have a Ubuntu 16.04 Server and I would like to know witch version of TLS is already installed on my server.</p>
  
  <p>And how to upgrade to version 1.3 if version version is under v1.3</p>
  
  <p>Thank you</p>