October 2018
Intermediate to advanced
704 pages
19h 51m
English

Virtualization separates an operating system instance from the underlying hardware. Virtualization allows you to move operating system installs from one piece of hardware to another by copying a file. Virtualization needs an operating system installed on the hardware, but that install is normally very minimal, has no public-facing services, and is easily reproduced on new hardware. It’s perhaps the biggest change in system administration in decades.
Virtualization is something like a client-server environment. The hardware and its core operating system instance is the host, while the clients are all virtualized operating system instances. ...
Read now
Unlock full access