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<li>You will then be prompted for a pass-phrase. The pass-phrase must be entered in order to use your private key. Pass-phrases are more secure than passwords and should be lengthy, hard to guess and easy to remember. For example one pass-phrase that meets this criteria might be "seneca students like fish at 4:00am". Avoid famous phrases such as "to be or not to be" as they are easy to guess. It is possible to leave the pass-phrase blank but this is dangerous. It means that if a hacker were able to get into your account they could then use your private key to access other systems you use.<br><br></li>
<li>Now issue the command <b><code><span style="color:#3366CC;font-size:1.2em;">ssh-copy-id -i ~/.ssh/id_rsa.pub centos3</span></code></b></li>
<li>Now we can ssh into '''centos3 ''' <u>from </u> '''centos2 ''' using two different authentication methods.</li><li>Make certain to logout of your '''centos3 ''' system. Use the '''hostname''' command to verify you are back in your centos2 server.</li>
</ol>
'''Arrange proof of the following on the screen:'''
<ol><li><span style="color:green;font-size:1.5em;">✓</span> '''centos1''' VM:<ul><li>'''Logical Volume''', '''Physical Volume''', and '''Volume Group''' information </li><li>Contents of '''/etc/fstab''' file</li><li>Proof that '''/archive''' has been mounted</li></ul></li><li><span style="color:green;font-size:1.5em;">✓</span> '''centos2''' VM:<ul><li>Proof of virtual hard disk creation</li><li>'''Logical Volume''', '''Physical Volume''', and '''Volume Group''' information </li></ul></li><li><span style="color:green;font-size:1.5em;">✓</span> '''centos3''' VM:<ul><li>have configured sshd to '''allow connection to centos3 VM'''</li><li>have logged in centos3 VM using '''public key authentication'''</li></ul></li><li><span style="color:green;font-size:1.5em;">✓</span> '''c7host''' Machine:<ul><li>Confirmation that sshd is running on host machine</li></ul></ol>
Arrange proof of the following on the screen:
#
# have logged in to a VM using public key authentication
# have scp'd and sftp'd files to a VM.
# have tunneled Xwindows applications through ssh
