18 lines
759 B
Markdown
18 lines
759 B
Markdown
---
|
|
title: Docker
|
|
id: docker
|
|
date: 2018-04-12
|
|
full_link: https://docs.docker.com/engine/
|
|
short_description: >
|
|
Docker is a software technology providing operating-system-level virtualization also known as containers.
|
|
|
|
aka:
|
|
tags:
|
|
- fundamental
|
|
---
|
|
Docker (specifically, Docker Engine) is a software technology providing operating-system-level virtualization also known as {{< glossary_tooltip text="containers" term_id="container" >}}.
|
|
|
|
<!--more-->
|
|
|
|
Docker uses the resource isolation features of the Linux kernel such as cgroups and kernel namespaces, and a union-capable file system such as OverlayFS and others to allow independent containers to run within a single Linux instance, avoiding the overhead of starting and maintaining virtual machines (VMs).
|