View source for Container (virtualization)

Linux Container virtualization is an [[os-level virtualization]] technology based in [[Linux kernel]] [[cgroups]] and [[namespaces]] features. [[Docker]] containers are available since 2013 and [[runC]] was first released in July 2015 as version 0.0.1<ref>https://github.com/opencontainers/runc/releases/tag/v0.0.1</ref>.

[[Containers]]: 
* [[Docker]]: <code>[[docker version]]</code>
* [[container runtime]]: [[containerd]]
* [[runc]] runtime
* [[Podman]] daemonless container engine for developing, managing, and running [[OCI]] Containers on Linux
* [[buildah]]
* [[skopeo]]

== Containers Technology Timeline ==
* 2007 [[Cgroups]] v1 was added into the [[Linux kernel]] (cgroups version 1).<ref>{{cite web |url=https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/diff/Documentation/cgroup-v1?id=v4.5&id2=v4.4 |title=diff between Linux kernel 4.4 and 4.5 |date=2016-03-14}}</ref>
* 2008 [[LXC]]
* 2012 OpenShift Origin the open source codebase used in the OpenShift PaaS released<ref>https://www.redhat.com/en/blog/Announcing-OpenShift-Origin-Open-Source-Code-For-Platform-as-a-Service?source=author&term=2661</ref>
* 2011 [[Openshift]] platform is launched based on Linux containers<ref>https://blog.openshift.com/red-hat-chose-kubernetes-openshift/</ref>
* 2013/03 [[Docker]]
* 2013/10 [[Container Linux]] ([[CoreOS]])
* 2014/06 [[Kubernetes]]
* 2014/10 <code>[[docker-compose]]</code> available
* 2015 <code>[[runC]]</code> released
* 2015 [[GKE]]
* 2016 <code>cgroups-v2</code> [[Linux kernel 4.5]] 
* 02/2019 <code>[[containerd]]</code> becames official [[CNCF]] project.
* 05/2019 Red Hat remove [[docker]] from [[RHEL 8]] and includes <code>[[runC]]</code>

== Tools ==
* [[Buildah]], building containers.
* [[Podman]], running containers.
* [[Skopeo]], sharing/finding containers.
* [[runc]]<ref>https://en.wikipedia.org/wiki/Open_Container_Initiative</ref> container management tool from [[Open Container Initiative]]

== containerd ==
<code>[[containerd]]</code><ref>https://www.mankier.com/1/containerd</ref><ref>https://containerd.io/</ref> is an industry-standard container runtime.

== Activities ==
# Understand the differences between <code>[[runc]]</code><ref>https://github.com/opencontainers/runc/blob/master/man/runc.8.md</ref>, <code>[[containerd]]</code><ref>https://www.mankier.com/1/containerd</ref> and <code>[[docker]]</code>. https://medium.com/@alenkacz/whats-the-difference-between-runc-containerd-docker-3fc8f79d4d6e

== See also ==
* [[Container Registry]], software that enables container image storage and management 
* {{Containers}}
* {{container orchestration}}
* {{virtualization}}
* [[Container Scanning]]


[[Category:Cloud computing]]
[[Category:Software development]]
[[Category:Server administration]]

{{CC license}}
Source: Wikiversity