Lecture1 1 intro-sysadmin
- 1. Introduction to System and Network Administration
- 2. Section Overview What is a System Administrator? Why UNIX? Why Linux? UNIX System Administration Resources
- 18. What is a System Administrator? Someone who takes care of the systems others are using. System Running Users able to work in Smoothly and Efficiently Easy and Efficient Manner
- 19. 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
- 20. System Administration Tasks User Management Hardware Management Software Management System Monitoring & Troubleshooting Documentation & Help Desk Backups Automation, Planning, Policies, and Auditing Firefighting!!!
- 25. The Good… Lots of variety Challenging Fulfilling Pays well Very employable
- 26. The Bad… Annoying at times Users Management Vendor Tech Support Long hours May not be your only job
- 27. 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
- 28. 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
- 29. 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.” ~Star Trek: The Next Generation
- 30. SAGE/LOPSA Code of Ethics Professionalism System Integrity Personal Integrity Education Privacy Responsibility to Laws and Policies Computing Community Communication Social Responsibility Ethical Responsibility “The greater the power, the more dangerous the abuse” ~Edmund Burke
- 31. Why UNIX/Linux? Focus on Practice not Tech Howtos SW/Tools either included and downloadable Can see “under the hood” Open architecture GUI and command line interfaces
- 32. History of UNIX 1969 – Birth of UNIX at AT&T Labs 1971 – Version 1 created 1976 – Made available to Universities 1977 – Berkeley distribution (BSD) 1983 – USL created (AT&T) 1991 – Birth of Linux 1994 – USL sold to Novell 1999 – Mac OS X 2003 – SCO vs. IBM, Novell, …
- 33. Lab Projects Based on RH Fedora 11 ? Virtualized Systems Projects include OS Installation Manage accounts/permissions/programs Install/configure services Shell scripting “System Emergencies”
- 34. Documentation Enables you to recreate system Contents include Configuration information Policies and procedures Useful commands and resources Daily log of modifications
- 35. Resources Linux Administration Handbook RedHat Fedora Documentation Linux Documentation Project Google Search Engine
- 36. Scoring Quiz, LAB 30% Midterm exam 30% Final exam 40%
- 37. Rules Communication Elect the class leader for communication Class leader creates a mailing list so that I can contact you, send document, software, … Of course, you can send me email for the eventual questions
- 38. Rules(2) Your score is based on – Your attendance to class/LAB – How good your assignment and exams are. IDO NOT accept any excuse to raise your score.