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THE VIDEO SHELF · linux containers

Cgroups, namespaces, and beyond: what are containers made from?

Jérôme Petazzoni explains how Linux containers are built from kernel features like cgroups, namespaces and SELinux. He demonstrates putting the pieces together by hand to make a container and compares runtimes and approaches like jails and zones.

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Why HN readers recommended it

HN recommends it as a talk that makes containers click, showing that containerization is not virtualization and demystifying what Docker does.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Docker
Topic
linux containers
Format
talk
Level
intermediate
HN recommenders in dataset
4
HN mentions in dataset
5
Recommendation years in dataset
2017–2023

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • I watched this talk couple of years ago that made docker/containers finally click for me. Cgroups, namespaces, and beyond: what are containers made from? - Jérôme Petazzoni, [VIDEO]

    dominotw on Hacker News · 2017-12
    In Demystifying container runtimes

  • This topic is perfectly covered in a presentation by Jérôme Petazzoni from Dockercon 2015, a Docker developer, on how containerization works. After watching the video, I began to clearly understand that this is not virtualization at all, as many at first imagine. [VIDEO]

    dmpanch on Hacker News · 2023-06
    In Build Your Own Docker with Linux Namespaces, Cgroups, and Chroot

  • Jérôme Petazzoni's talk on cgroups, namespaces, etc. I think he has given the talk a bunch of times, I saw it in person once, here is a video I found: [VIDEO] He goes into cgroups, namespaces, etc. Then does a demo where is manually does …

    antoncohen on Hacker News · 2017-12
    In Ask HN: Good resources on learning how docker works under the hood?

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.

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