DevOps/Container

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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^[1].

Containers Technology Timeline[edit | edit source]

2007 Cgroups v1 was added into the Linux kernel (cgroups version 1).^[2]
2012 OpenShift Origin the open source codebase used in the OpenShift PaaS released^[3]
2011 Openshift platform is launched based on Linux containers^[4]
2013 Docker launched
06/2014 Kubernetes launched
2015 runC released
05/2019 Red Hat remove docker from RHEL 8 and includes runC

Tools[edit | edit source]

Buildah, building containers.
Podman, running containers.
Skopeo, sharing/finding containers.
runc^[5] container management tool from Open Container Initiative

containerd[edit | edit source]

containerd^[6]^[7] is an industry-standard container runtime.

Activities[edit | edit source]

Understand the differences between runc^[8], containerd^[9] and docker. https://medium.com/@alenkacz/whats-the-difference-between-runc-containerd-docker-3fc8f79d4d6e

See also[edit | edit source]

w:OS-level_virtualisation
Docker, containerd, Podman, buildah, skopeo
Container Registry, software that enables container image storage and management
DevOps/Container-Orchestration: AWS ECS, AWS Fargate, Kubernetes (Certified Kubernetes Administrator), Openshift, Nomad and EKS
KVM, Vagrant

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