13,420
edits
Changes
no edit summary
# '''Make certain that you are in your VM and <u>not</u> in your main system!'''
# Wreck <u>only</u> your centos3 system! Try this command inside the centos3 virtual machine:<b><code><span style="color:#3366CC;font-size:1.2em;">rm -rf /*</span></code></b> (ignore error messages).
# Shut down the centos3 VM. If you tried to start the centos3 VM, it would not boot since all system files have been removed!</li>
# Restore the original image from the backup in your home directory by typing this command: <b><code><span style="color:#3366CC;font-size:1.2em;">gunzip < ~YourUserId/centos3.img.backup.gz > centos3.img'''</span></code></b>
# Restart the VM. Is it working normally?
# Create compressed backups of your other virtual machines (ie. '''centos1''' and '''centos2''').</li>
# You should make a copy of the xml configuration file in case you "wipe" and re-install the host machine, and want to add a restored VM backups to the virtual machine manager list. We will demonstrate using the centos3 xml configuration file, and prove that a "clone" can be added to your list.Please perform the following step:
# Execute the following command: <b><code><span style="color:#3366CC;font-size:1.2em;">virsh dumpxml centos3 > centos3.xml</span></code></b>