{{Admon/caution|Allow Time to Perform Yum Updates|Allow sufficient time in order to perform updates prior to the end of the lab. Since you will be updating ALL of your VMs, allow 15-20 "lead-time" to start your updates and to backup your VMs prior to the end of the lab. '''NEVER force a shut-down of your VM while updates are running, since this will ruin your VM''', and you will have to restore from a backup, or redo your labs for that VM!}}