Why are containers different from package management? Reference slide deck How do containers compare to Package Managers?
Linux OpenVZ circa 2005 (not in mainstream Linux).Meiosys - MetaClusters with Checkpoint/Restore 2004-05.Now… if you look in the Linux kernel, there is no such thing as a container… so what gives? History of Container Technology Containers feel like lightweight VMs (lower footprint, faster), but are not Virtual Machines!Ĭomponents of a container ecosystem include:.Containers ensure isolation through namespaces.Containers use the kernel ability to group processes for resource control.The target of this section is to give a very short overview of containers from a Linux system perspective, it is not meant as an introduction to users unfamiliar with Docker nor people unfamiliar with Linux systems.ĭevelopers in Saigon looking to find out more on how they can get started with Docker, are referred to the excellent Installation Guide (OSX/Windows) and User Guides available on the Docker website.Īnyone wondering if/why Docker matters, is invited to contact the Docker Saigon user group (preferably through our Slack auto-invite app) for discussion. Namespaces, cgroups, Images, Layers & copy-on-write How do they relate to Package Managers, Configuration Management, …? What is a Linux container, some history about Linux containers. For more details go to /Docker-Saigon Outline Audience experience with Docker and Linux operating systems was expected.Īnyone interested to learn more about Docker, Full free hands-on-labs training events are scheduled for 23⁄ 24 March.
The event was centered around DevOps, for our talk Docker Saigon needed to interest an engineering audience with how things tick on the inside of Docker. This post was the basis for a joint event with the grokking engineering community in Saigon.
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