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CoreOS
Meetup Tokyo #1
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I’m Taichi Nakashima
@deeeet tcnksm
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Introduction of Core OS
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What is Core OS
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CoreOS is a new Linux distribution
that provides scale with high resilience
infrastructure like Google, Facebook
and Twitter realize.
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Motivation of Core OS
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Fundamentally improve
the security of the Internet.
http://www.linux.com/news/featured-blogs/200-libby-clark/806347-collaboration-summit-keynote-alex-polvi-coreos
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All security boils down to
the ability to update software
http://www.linux.com/news/featured-blogs/200-libby-clark/806347-collaboration-summit-keynote-alex-polvi-coreos
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Let’s build a server that can
automatically update itself
http://www.linux.com/news/featured-blogs/200-libby-clark/806347-collaboration-summit-keynote-alex-polvi-coreos
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Feature of Core OS
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Minimal
Traditional Linux distributions has always
been about adding value by adding more.
CoreOS creates value by giving you less.
http://formtek.com/blog/coreos-linux-vendors-in-the-crosshairs-of-disruption/
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Update System
Quick and reliable updating system
Same as update Engine as Chrome (Omahaʣ
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No package manager
& No language runtime
Container
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Clustering
Clustered by default
using powerful and simple tool like etcd and fleet
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Data Center as a Computer
Clustering multiple servers in DC
and using it like it’s a single computer
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Technologies of Core OS
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Distributed KVS, v2.0.9
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fleet Distributed init System, v0.9.2
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App Container runtime, v0.5.3
http://blog.exoplatform.com/en/2014/12/05/cartoon-of-the-week-coreos-just-fired-a-rocket-at-docker
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flannel Overlay network for k8s, v0.3.0
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Who uses Core OS
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http://deis.io/
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http://www.memsql.com/
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http://cloudfoundry.org/index.html
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Latest news of Core OS
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@deeeet