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{{Admon/important |Backup your VMs!|You MUST backup ALL of your VMs whenever you complete your '''OPS335 labs''' or when working on your '''OPS335 assignments''': <br>[ [https://wiki.cdot.senecacollege.ca/wiki/OPS235_Lab_2_-_CentOS7_-_HD2#Part_1:_Backing_Up_Virtual_Machines Backing up Your Virtual Machines] ]. Refer to OPS235 lab2 notes on how to backup your VMs. You should backup your VMs to a USB key in case something happens to your host machine. Note: VM files contained in the '''/var/lib/libvirt/images''' directory have the extension in '''.qcow2''' and instead of '''.img''' (eg. for OPS235 courses prior to Fall 2016.}}