Featherlight

In the world of container virtualization, the operating systems of compute nodes are largely degraded to non-player characters that can do little more than start and stop containers. Talos Linux takes the game to the extreme and offers a system for Kubernetes that weighs in at less than 90MB.

Martin Loschwitz

Huge environments for automation and orchestration used to be standard – think Ansible, Puppet, and others; however, today’s buzzword is “reduction.” Logically, a system that only needs to run containers can easily do without a massive user space; you don’t need additional services on the system or extravagant configuration options. Strictly speaking, you don’t even need a package manager – at least if you don’t intend to update the system while it is running. Instead, you would remove all the containers and then reinstall more up-to-date software. A simple Linux kernel with a paired down set of drivers in combination with a runtime environment for containers – typically Docker Community Edition (CE) or Podman – is absolutely fine for this scenario. Proponents of immutable IT have developed and radicalized their…

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ADMIN Network & Security (Digital) - 1 Issue, January/February 2025

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