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Getting Started with Containers


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This presentation was given at the Belgium VMUG on 11 June 2015, and provides an introduction to containers with Docker, rkt, Photon, and Vagrant.

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Getting Started with Containers

  1. 1. Getting Started with Containers: Vagrant, Docker, rkt and VMware Photon Scott Lowe
  2. 2. Before we start — Get involved! Audience participation is requested and encouraged. — If you use Twitter, feel free to tweet about this session (use @VMUGBe or hashtag #VMUGBe) — Feel free to take photos or videos of today's session and share them online — A PDF copy of this presentation will be available online after the event
  3. 3. What is Docker? — A CLI tool for simplifying creating, using, and sharing Linux containers — Linux containers leverage features in the Linux kernel and can be thought of as "OS virtualization" — Combines daemon, client, image format all in single project — Available from
  4. 4. Docker demo
  5. 5. What is rkt ("rock-it")? — An alternative to Docker, rkt is CoreOS' implementation of the App Container specification ("appc") — Designed to be modular/pluggable/extensible, secure, interoperable, natively integrated with init systems and orchestration tools — Still very, very early (0.5.6 is latest release)
  6. 6. rkt demo
  7. 7. What is Photon? — Lightweight, container-optimized Linux distribution created by VMware — Designed for use not just as host OS, but also as "container OS" — Similar projects/efforts include CoreOS, Project Atomic (RHEL/CentOS), Ubuntu Snappy Core
  8. 8. Photon demo
  9. 9. Cool...everyone's a container expert now, right?
  10. 10. What is Vagrant? — A cross-platform, Ruby-based CLI tool for streamlining the use of VM environments (creation, provisioning, usage, & decommissioning) — Supports multiple virtualization backends — Great for testing, sharing with others, creating consistent environments — Available from
  11. 11. Vagrant demo
  12. 12. Q&A
  13. 13. Thank you! Be sure to provide feedback to the VMUG leaders regarding this session. Blog: Twitter: @scott_lowe GitHub: Life: Colossians 3:17