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Server Installation and Configuration with Chef
This document discusses the server configuration management tool Chef. It begins by outlining problems with manual system administration and explains that Chef allows for repeatable, version controlled configurations through recipes defined in Ruby. It then describes Chef's client-server architecture and its embrace of modern web technologies. The remainder of the document outlines Chef's components like nodes, attributes, cookbooks and resources and concludes with a link to a demo.
Server Installation and Configuration with Chef
- 1. Server installation and configuration with Chef
- 2. Raimonds Simanovskis TietoEnator Alise @rsim github.com/rsim
- 3. Problem • Manual systemadministration • Non-repeatable • No version control • Takes too long
- 4. What is Chef? Chef is a state based, declarative configuration management engine. You define recipes of how you want your system to look and then chef makes it so.
- 5. Chef • Client-server architecture •Embraces modern web technologies • Best ideas from cfengine and Puppet • Targeted to Linux, Solaris, Mac OS X • Written in Ruby, recipes in Ruby
- 6. Architecture Client Chef Server Chef Client Ohai Chef Indexer
- 7. Ohai { "kernel": { "machine": "x86_64", "name": "Linux", "os": "GNU/Linux", "version": "#1 SMP Wed Aug 20 21:08:51 UTC 2008", "release": "2.6.24-19-xen" }, "uptime_seconds": 12043422, "platform_version": "8.04", "platform": "ubuntu", "virtualization": { "role": "guest", "emulator": "xen" }, "os": "linux", "idletime": "115 days 23 hours 34 minutes 06 seconds", "idletime_seconds": 10020846, "lsb": { "id": "Ubuntu", "description": ""Ubuntu 8.04.1"", "codename": "hardy", "release": "8.04" }, "os_version": "2.6.24-19-xen" }
- 8. Chef components • Nodes • Attributes • Cookbooks • Libraries • Recipes • Files • Definitions • Templates
- 9. Resources cron execute directory file group user link package remote_directory remote_file route script service template http_request
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- 26. Links http://wiki.opscode.com/display/chef/Home http://www.slideshare.net/ Orlando_Ruby_Users_Group/cooking-with-chef
- 27.