Intro to CoreOS

July 02, 2014

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Intro to CoreOS

bradgignac

July 02, 2014

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Transcript

CoreOS
An Introduction to

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@bradgignac
bradgignac.com

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What is CoreOS?

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Based on Gentoo
Kernel + Containers
Built for running HA clusters
Updates applied automatically
CoreOS

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Docker + nspawn
Isolated from other applications
Less overhead than VMs
Containers

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System management daemon
Services, timers, and one-off jobs
Logging through journal
systemd

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Key-Value Database
Provides service discovery for cluster
Similar to Consul and Zookeeper
etcd

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Cluster-level service management
Schedules jobs across cluster
Reschedules units on failure
fleet

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Demo

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Questions?

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