Container Linux: Difference between revisions

Revision as of 07:33, 26 March 2014

Revision as of 07:35, 26 March 2014

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CoreOS also provides '''<tt>etcd</tt>''', a [[Daemon (computing)|daemon]] which runs across all computers in a [[Computer cluster|cluster]], allowing configuration data to be easily shared by providing a dynamic configuration registry. Since the [[key–value data]] stored within <tt>etcd</tt> is automatically distributed and [[Replication (computing)|replicated]] (with automated [[master election]]), all changes are reflected across the entire cluster. Beside configuration management, <tt>etcd</tt> also provides [[service discovery]] by allowing deployed applications to announce themselves. Communication with <tt>etcd</tt> is performed through a simple [[API]], which internally uses [[JSON]] on top of [[HTTP]]; the API can be used directly through <tt>[[cURL|curl]]</tt> (for example), or indirectly through '''<tt>etcdctl</tt>''' which is a [[command-line]] utility also supplied by CoreOS. <tt>etcd</tt> is written in [[Go language]] and distributed under the [[Apache License 2.0 License]].<ref name="linux.com-737364" /><ref name="coreos-using" /><ref>{{Cite web

| url = https://coreos.com/using-coreos/etcd/

| title = Using etcd with CoreOS | work = CoreOS documentation