315 lines
13 KiB
HTML
315 lines
13 KiB
HTML
<!DOCTYPE html>
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<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
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<html class="no-js" xmlns="http://www.w3.org/1999/html"> <!--<![endif]-->
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
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<meta name="google-site-verification" content="UxV66EKuPe87dgnH1sbrldrx6VsoWMrx5NjwkgUFxXI" />
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<title>Docker - the Linux container engine</title>
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<meta name="description" content="Docker encapsulates heterogeneous payloads in standard containers">
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<meta name="viewport" content="width=device-width">
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<!-- twitter bootstrap -->
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<link rel="stylesheet" href="static/css/bootstrap.min.css">
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<link rel="stylesheet" href="static/css/main.css">
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<script src="static/js/vendor/modernizr-2.6.2-respond-1.1.0.min.js" type="text/javascript" ></script>
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<style>
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.indexlabel {
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float: left;
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width: 150px;
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display: block;
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padding: 10px 20px 10px;
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font-size: 20px;
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font-weight: 200;
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background-color: #a30000;
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color: white;
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height: 22px;
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}
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.searchbutton {
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font-size: 20px;
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height: 40px;
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}
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.debug {
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border: 1px red dotted;
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}
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</style>
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</head>
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<body>
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<div class="navbar navbar-fixed-top">
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<div class="navbar-dotcloud">
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<div class="container" style="text-align: center;">
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<div class="pull-right" >
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<ul class="nav">
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<li class="active"><a href="../sources">Introduction</a></li>
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<li ><a href="gettingstarted">Getting started</a></li>
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<li class=""><a href="http://docs.docker.io/en/latest/concepts/introduction/">Documentation</a></li>
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</ul>
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<div class="social links" style="float: right; margin-top: 14px; margin-left: 12px">
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<a class="twitter" href="http://twitter.com/getdocker">Twitter</a>
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<a class="github" href="https://github.com/dotcloud/docker/">GitHub</a>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="container" style="margin-top: 30px;">
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<div class="row">
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<div class="span12">
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<section class="contentblock header">
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<div class="span5" style="margin-bottom: 15px;">
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<div style="text-align: center;" >
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<img src="static/img/docker_letters_500px.png">
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<h2>The Linux container engine</h2>
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</div>
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<div style="display: block; text-align: center; margin-top: 20px;">
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<h5>
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Docker is an open-source engine which automates the deployment of applications as highly portable, self-sufficient containers which are independent of hardware, language, framework, packaging system and hosting provider.
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</h5>
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</div>
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<div style="display: block; text-align: center; margin-top: 30px;">
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<a class="btn btn-custom btn-large" href="gettingstarted/">Let's get started</a>
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</div>
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</div>
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<div class="span6" >
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<div class="js-video" >
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<iframe width="600" height="360" src="http://www.youtube.com/embed/wW9CAH9nSLs?feature=player_detailpage&rel=0&modestbranding=1&start=11" frameborder="0" allowfullscreen></iframe>
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</div>
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</div>
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<br style="clear: both"/>
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</section>
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</div>
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</div>
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</div>
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<div class="container">
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<div class="row">
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<div class="span6">
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<section class="contentblock">
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<h4>Heterogeneous payloads</h4>
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<p>Any combination of binaries, libraries, configuration files, scripts, virtualenvs, jars, gems, tarballs, you name it. No more juggling between domain-specific tools. Docker can deploy and run them all.</p>
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<h4>Any server</h4>
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<p>Docker can run on any x64 machine with a modern linux kernel - whether it's a laptop, a bare metal server or a VM. This makes it perfect for multi-cloud deployments.</p>
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<h4>Isolation</h4>
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<p>Docker isolates processes from each other and from the underlying host, using lightweight containers.</p>
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<h4>Repeatability</h4>
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<p>Because each container is isolated in its own filesystem, they behave the same regardless of where, when, and alongside what they run.</p>
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</section>
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</div>
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<div class="span6">
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<section class="contentblock">
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<h1>New! Docker Index</h1>
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On the Docker Index you can find and explore pre-made container images. It allows you to share your images and download them.
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<br><br>
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<a href="https://index.docker.io" target="_blank">
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<div class="indexlabel">
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DOCKER index
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</div>
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</a>
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<input type="button" class="searchbutton" type="submit" value="Search images"
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onClick="window.open('https://index.docker.io')" />
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</section>
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<section class="contentblock">
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<div id="wufoo-z7x3p3">
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Fill out my <a href="http://dotclouddocker.wufoo.com/forms/z7x3p3">online form</a>.
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</div>
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<script type="text/javascript">var z7x3p3;(function(d, t) {
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var s = d.createElement(t), options = {
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'userName':'dotclouddocker',
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'formHash':'z7x3p3',
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'autoResize':true,
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'height':'577',
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'async':true,
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'header':'show'};
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var rs = this.readyState; if (rs) if (rs != 'complete') if (rs != 'loaded') return;
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try { z7x3p3 = new WufooForm();z7x3p3.initialize(options);z7x3p3.display(); } catch (e) {}};
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})(document, 'script');</script>
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</section>
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</div>
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</div>
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</div>
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<style>
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.twitterblock {
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min-height: 75px;
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}
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.twitterblock img {
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float: left;
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margin-right: 10px;
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}
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</style>
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<div class="container">
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<div class="row">
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<div class="span6">
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<section class="contentblock twitterblock">
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<img src="https://twimg0-a.akamaihd.net/profile_images/2491994496/rbevyyq6ykp6bnoby2je_bigger.jpeg">
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<em>John Willis @botchagalupe:</em> IMHO docker is to paas what chef was to Iaas 4 years ago
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</section>
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</div>
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<div class="span6">
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<section class="contentblock twitterblock">
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<img src="https://twimg0-a.akamaihd.net/profile_images/3348427561/9d7f08f1e103a16c8debd169301b9944_bigger.jpeg">
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<em>John Feminella @superninjarobot:</em> So, @getdocker is pure excellence. If you've ever wished for arbitrary, PaaS-agnostic, lxc/aufs Linux containers, this is your jam!
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</section>
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</div>
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</div>
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<div class="row">
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<div class="span6">
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<section class="contentblock twitterblock">
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<img src="https://si0.twimg.com/profile_images/3408403010/4496ccdd14e9b7285eca04c31a740207_bigger.jpeg">
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<em>David Romulan @destructuring:</em> I haven't had this much fun since AWS
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</section>
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</div>
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<div class="span6">
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<section class="contentblock twitterblock">
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<img src="https://si0.twimg.com/profile_images/780893320/My_Avatar_bigger.jpg">
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<em>Ricardo Gladwell @rgladwell:</em> wow @getdocker is either amazing or totally stupid
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</section>
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</div>
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</div>
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</div>
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<div class="container">
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<div class="row">
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<div class="span6">
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<section class="contentblock">
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<h2>Notable features</h2>
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<ul>
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<li>Filesystem isolation: each process container runs in a completely separate root filesystem.</li>
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<li>Resource isolation: system resources like cpu and memory can be allocated differently to each process container, using cgroups.</li>
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<li>Network isolation: each process container runs in its own network namespace, with a virtual interface and IP address of its own.</li>
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<li>Copy-on-write: root filesystems are created using copy-on-write, which makes deployment extremeley fast, memory-cheap and disk-cheap.</li>
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<li>Logging: the standard streams (stdout/stderr/stdin) of each process container is collected and logged for real-time or batch retrieval.</li>
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<li>Change management: changes to a container's filesystem can be committed into a new image and re-used to create more containers. No templating or manual configuration required.</li>
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<li>Interactive shell: docker can allocate a pseudo-tty and attach to the standard input of any container, for example to run a throwaway interactive shell.</li>
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</ul>
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<h2>Under the hood</h2>
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<p>Under the hood, Docker is built on the following components:</p>
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<ul>
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<li>The <a href="http://blog.dotcloud.com/kernel-secrets-from-the-paas-garage-part-24-c">cgroup</a> and <a href="http://blog.dotcloud.com/under-the-hood-linux-kernels-on-dotcloud-part">namespacing</a> capabilities of the Linux kernel;</li>
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<li><a href="http://aufs.sourceforge.net/aufs.html">AUFS</a>, a powerful union filesystem with copy-on-write capabilities;</li>
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<li>The <a href="http://golang.org">Go</a> programming language;</li>
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<li><a href="http://lxc.sourceforge.net/">lxc</a>, a set of convenience scripts to simplify the creation of linux containers.</li>
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</ul>
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<h2>Who started it</h2>
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<p>
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Docker is an open-source implementation of the deployment engine which powers <a href="http://dotcloud.com">dotCloud</a>, a popular Platform-as-a-Service.</p>
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<p>It benefits directly from the experience accumulated over several years of large-scale operation and support of hundreds of thousands
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of applications and databases.
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</p>
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</section>
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</div>
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<div class="span6">
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<section class="contentblock">
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<h3 id="twitter">Twitter</h3>
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<a class="twitter-timeline" href="https://twitter.com/getdocker" data-widget-id="312730839718957056">Tweets by @getdocker</a>
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<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script>
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</section>
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</div>
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</div>
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</div> <!-- end container -->
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<div class="container">
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<footer id="footer" class="footer">
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<div class="row">
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<div class="span12">
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Docker is a project by <a href="http://www.dotcloud.com">dotCloud</a>
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</div>
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</div>
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<div class="row">
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<div class="emptyspace" style="height: 40px">
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</div>
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</div>
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</footer>
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</div>
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</html>
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