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2019-04-30

How to build a lightweight system container cluster

You will learn how working in this environment:

LXD, the system container manager, developed by Canonical and shipped by default with Ubuntu, makes it possible to create many containers of various Linux distributions and manage them in a way similar to virtual machines (VMs) but with lower overhead costs associated with them.

Unlike VMs, containers have the benefit of using a shared kernel such as; kernel security updates in Ubuntu, Livepatch support, minimal memory footprint, ease of sharing resources and an extremely low CPU usage/wakeups at idle.

This whitepaper explores the use of LXD containers as part of a team development environment, effectively setting up a shared lab on physical hardware or in the cloud.

You will learn how working in this environment:

  • Reduces the time spent by team members getting a functional work environment
  • Makes it easy to collaborate with colleagues, accessing their containers if needed
  • Makes it possible to access the work environment of team members who are on leave
  • Better use and control of resources by using shared systems
  • Easy to implement snapshots and backups, huge time savers when a mistake happens
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