cs312-lecture18_slides

cs312-lecture18_slides - CS 312 Linux System Administration...

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CS 312 Linux System Administration 18: CFEngine Lance Albertson OSU Picture © Greg Keene used under CC SA 3.0 license
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Today's Objectives Central Config Management Solutions CFEngine example http://www.cfengine.org http://www.cfengine.org/AutonomicCfengine.pdf
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Large Site Management Configuration Management Automation Centralized Standardization History
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What config management does Verify permissions for security/mgmt purposes Distribute config files and scripts Control batch jobs Ensure packages are up to date Look for file changes
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Configuration Management System-wide settings sshd, ntp, ldap, etc Group settings Web, email, database Standardize settings globally Easy to troubleshoot
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CF Management Tools CFEngine Mature, widely used Puppet Getting mature, different concept Chef Very new
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CFEngine Software for installing & maintaining networked servers Automation of processes Good for 1 to 10,000+ hosts! Not “imperative” programming (i.e. perl) Convergent states
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Components cfagent – inteprets policy and implements in a covergent manner cfexecd cfservd – server daemon for remote copy/execution cfrun – trivial help app that polls hosts and tells them to run cfagent cfkey – generates pub/priv key pairs (once) for host
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This note was uploaded on 06/28/2009 for the course CS 312 taught by Professor Staff during the Spring '08 term at Oregon State.

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cs312-lecture18_slides - CS 312 Linux System Administration...

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