Often times, I employ a CentOS VirtualBox virtual machine (VM) as a
development, testing and staging environment, I love the flexibility of
virtual environments for testing and development work before moving my
work to production environments.
Recently I ran a yum update and yum upgrade on a CentOS 6.4 VM and
subsequently rebooted it, only to be greeted by a blank screen following
bootup. A quick search of virtual TTY terminals yielded a login
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