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# Verify that the elinks package has been removed. Also verify that the application called: '''xchat''' is not installed.
# Use the wget command to download the xchat rpm binary from the following URL:
::<b><code><span style="color:#3366CC;font-size:1.2em;">http://mirror.centos.org/centos/7/os/x86_64/Packages/xchat-2.8.8-2425.el7.x86_64.rpm</span></code></b><br>
::What do you think is the purpose of the numbers also contained in the filename?
<ol><li value="8">Issue the command: <b><code><span style="color:#3366CC;font-size:1.2em;">yum localinstall xchat-2.8.8-2425.el7.x86_64.rpm</span></code></b></li>
<li>Verify that the '''xchat''' command has been installed.</li>
<li>Run the xchat application. What does it say if you run this application as root?</li></ol>
<ol>
<li value="8">Save, set permissions, and then run that shell script for the application '''gedit'''. Did it create that report? Try running the script without an argument - What did it do? <li>Use the <b><code>wget</code></b> command to download, study, and run the following shell scripts on-line:<blockquote><b><code><span style=" pointer-events:none;cursor:default;color:#3366CC;font-size:1.2em;">https://ict.senecacollege.ca/~ops235/lab3labs/packageInfoGraphical.bash</span></code></b></blockquote></li><li>Try to understand what this Bash Shell script does.</li><li>You have completed lab3. Proceed to Completing The Lab, and follow the instructions for "lab sign-off".</li></ol>
'''Answer the Investigation 3 observations / questions in your lab log book.'''
= LAB 3 SIGN-OFF (SHOW INSTRUCTOR) =
===Exclusively for Summer 2020 term, submissions are accepted only online!===
Follow the submission instructions for lab 3 on Blackboard.
{{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 <u>'''c7host'''</u> machine, open a shell terminal, and login as root.
# Change to the directory: '''/root/bin'''
# Issue the Linux command: <b><code><span style="color:#3366CC;font-size:1.2em;">wget https://ict.senecacollege.ca/~ops235/lab3labs/lab3-check.bash</span></code></b>
# Give the '''lab3-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.
[[Category:CentOS 7]]
[[Category:SSD2]]
[[Category:Digital Classroom]]