Changes

# Run the graphical program remotely by issuing only one Linux command:<br> <b><code><span style="color:#3366CC;font-size:1.2em;">ssh -X -C yourUserID@centos1 &nbsp; gedit</span></code></b> (Note: ignore warning messages).

# Exit the gedit application.

'''Answer INVESTIGATION 2 observations / questions in your lab log book.'''

=INVESTIGATION 3: MANAGING FIREWALLS FOR PROTECTION &amp; TROUBLESHOOTING =

= LAB 7 SIGN-OFF (SHOW INSTRUCTOR) =

{{Admon/important|Time for a new backup!|If you have successfully completed this lab, make a new backup of your virtual machines as well as your host machine.}}

# Switch to your '''c7host''' VM and '''su -''' into root.

# Change to the '''/root/bin''' directory.

# Give the '''lab7-check.bash''' file execute permissions (for the file owner).

# Run the shell script and if any warnings, make fixes and re-run shell script until you receive "congratulations" message.

#Arrange proof of the following on the screen:<br><blockquote><span style="color:green;font-size:1.5em;">&#x2713;</span> '''centos2''' VM:<blockquote><ul><li>have logged into centos3 VM using '''public key authentication''' (with a pass-phrase)</li></ul></blockquote><span style="color:green;font-size:1.5em;">&#x2713;</span> '''c7host''' Machine:<blockquote><ul><li>have tunneled Xwindows application from '''centos1''' via ssh</li><li>Run the '''lab7-check.bash''' script in front of your instructor (must have all <b><code><span style="color:#66cc00;border:thin solid black;font-size:1.2em;">&nbsp;OK&nbsp;</span></code></b> messages)</li></ul></blockquote><span style="color:green;font-size:1.5em;">&#x2713;</span> '''Lab7''' log-book filled out.

= Practice For Quizzes, Tests, Midterm &amp; Final Exam =

[[Category:OPS235]]