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OPS235 Lab 2

106 bytes added, 12:55, 16 September 2018
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# Shut down your '''centos1''', '''centos2''', and '''centos3''' VMs. For ''centos2'' and ''centos3'', which are CLI-only, you can issue the following command as root to shutdown: <b><code><span style="color:#3366CC;font-size:1.2em;">shutdown -h</span></code></b>. Please be patient, the VMs will shut down!
# In your '''c7host''' VM, change open a new Terminal window, and '''switch to the root account ''inside'' the terminal'''.# Change to the images directory by issuing the command: <b><code><span style="color:#3366CC;font-size:1.2em;">cd /var/lib/libvirt/images/</span></code></b><brul><li>Note the size of the files in this directory. What do these files contain?</li></ul># Make a compressed backup of your '''centos1.qcow2''' , '''centos2.qcow2''', and '''centos3.qcow2''' files to your regular user's home directory by issuing each command (one at a time):<br><b><code><span style="color:#3366CC;font-size:1.2em;">gzip < centos1.qcow2 > ~YourRegularUsername/centos1.qcow2.backup.gz</span></code></b><br><b><code><span style="color:#3366CC;font-size:1.2em;">gzip < centos2.qcow2 > ~YourRegularUsername/centos2.qcow2.backup.gz</span></code></b><br><b><code><span style="color:#3366CC;font-size:1.2em;">gzip < centos3.qcow2 > ~YourRegularUsername/centos3.qcow2.backup.gz</span></code></b><br><br>
{{Admon/important |Please be patient|It may look like the command prompt is stuck but it could take a while for gzip to compress an entire operating system. '''NOTE:''' Do NOT press '''&lt;ctrl&gt;c''' to cancel this process. If you do, your archive will become incomplete and your recovery will be corrupt.}}
('''NOTE:''' Make certain to use the redirection signs "<" and ">" properly in the command!)<br><br>
&nbsp;echo "Backing up VM #$numanswer"<br>
&nbsp;gzip < /var/lib/libvirt/images/centos$numanswer.qcow2 > /root/centos$numanswer.qcow2.backup.gz<br><br>
&nbsp;echo "VM #$numanswer BACKUP DONE":<br>
else<br>
&nbsp;echo "Invalid Selection... Aborting program"<br>
= LAB 2 SIGN-OFF (SHOW INSTRUCTOR) =
{{Admon/important|Backup ALL of your VMs!|If you have successfully completed this lab, make a new backup of all of your virtual machines onto your UBS USB Key.}}
:'''Perform the Following Steps:'''