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Introduction to System Administration
CSCI N321 – System and Network Administration
Copyright © 2000, 2011 by Scott Orr and the Trustees of Indiana University
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Section Overview
What is a System Administrator?
Personal Perspectives
Ethics
Documentation
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References
CQU COIT13146 Study GuideChapters 1-3
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What is a System Administrator?
Someone who takes care of the systems others are using.
System Running System Running Smoothly and EfficientlySmoothly and Efficiently
Users able to work in Users able to work in Easy and Efficient MannerEasy and Efficient Manner
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Sysadmin .sig file
“My job is like an airplane pilot's -- When I'm doing it well, you might not even notice me, but my mistakes are often quite spectacular.”
Source: Unknown
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System Administration Tasks
User ManagementHardware ManagementSoftware ManagementSystem Monitoring & TroubleshootingDocumentation & Help DeskBackupsAutomation, Planning, Policies, and AuditingFirefighting!!!
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The Good…
Lots of varietyChallenging FulfillingPays wellVery employable
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The Bad…
Annoying at times Users Management Vendor Tech Support
Long hoursMay not be your only job
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And the Ugly…
Most people don’t understand the job
When things go well… Go unnoticed “They don’t do anything”
Game players Web Surfers
Important to document everything
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And the Ugly (Con’t.)…
When there is a problem… Everyone is looking for you Highly stressful Some blame you for the problem
May graduate to “Miracle Worker” status once problem is fixed
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Sage Advice…Kirk: “Scotty, Do you always multiply your repair estimates by a factor of four?”Scotty: “How else to maintain my reputation as a miracle worker?” ~Star Trek IV
“Starship captains are like children. They want everything right now and they want it their way. The secret is to give them what they need, not what they want.”
~ST:TNG - Relics
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SAGE/LOPSA Code of Ethics
ProfessionalismPersonal IntegrityPrivacyLaws and PoliciesCommunication
System IntegrityEducationResponsibility to Computing CommunitySocial ResponsibilityEthical Responsibility
“The greater the power, the more dangerous the abuse”
~Edmund Burke
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Documentation
Enables you to recreate systemContents include Configuration information Policies and procedures Useful commands and resources Daily log of modifications
WikisRequest/Ticket Systems
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Documentation Wiki
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Ticket Systems
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Conference!!!