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:We can use the '''netstat''' utility as a trouble-shooting tool to view the SSH service and determine which STATE the SSH service is performing:<br> '''LISTENING''', '''ESTABLISHED''', '''CLOSED''' , or '''WAITING''' <br><br>
<ol><li value="2">Run the '''netstat -atunp''' command (pipe to "grep sshd") to check the state of a possible ''ssh connection''. What is the state (i.e. LISTENING or ESTABLISHED)?</li>
<li>While in your '''centos3''' VM, issue the following command to connect to the '''your same VM ''' via ssh: <b><code><span style="color:#3366CC;font-size:1.2em;">ssh ops235@centos3</span></code></b></li>
<li>Enter yes at the prompt, and enter your OPS235 password.<br>The output should appear similar as what is shown below:<br><br>
:<span style="font-family:courier">The authenticity of host 'centos3 (192.168.235.13)' can't be established.</span><br>
