Getting acquainted with oVirt
Bear in mind that most of the work that a sizeable percentage of Linux system administrators do is done via command-line utilities, libvirt, and KVM. They offer us a good set of tools to do everything that we need from the command line, as we're going to see in next part of this chapter. But also, we will get a hint as to what GUI-based administration can be like, as we're briefly going to discuss Virtual Machine Manager later in this chapter.
However, that still doesn't cover a situation in which you have loads of KVM-based hosts, hundreds of virtual machines, dozens of virtual networks interconnecting them, and a rack full of storage devices that you need to integrate with your KVM environment. Using the aforementioned utilities is just going to introduce you to a world of pain as you scale your environment out. The primary reason for this is rather simple – we still haven't introduced any kind of centralized software package...