Chapter 31
Containers and Ubuntu
The latest trend in cloud computing is containers. The easiest way to define containers is to begin with a comparison. Virtualization, which is described in Chapter 30, “Virtualization on Ubuntu,” enabled us to end our dependence on physical hardware when we need a new server; thanks to virtualization, we can instead create servers as virtual machines that can be moved across physical machines or parts of physical machines. Similarly, containers allow us to replicate the software components needed to run specific processes or programs. This is a much faster and smaller subset of software than virtualization requires.
A container packages an ...
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