6/14/20161 System Administration 1-Introduction to System Administration

6/14/20162 What is a system administrator? System Admin Tasks and Duties:  install systems (including clients/servers): hardware, software and o.s.  upgrade systems: hardware, software and o.s.  backups  start/stop system (reboot)

6/14/20163 Other Duties  create accounts (add/delete), passwords, account management  job scheduling  security  performance monitoring and tuning

6/14/20164 Some More Duties  documentation and testing  communication and help (with user community and internal)  networking (client/server)  handling printers, tape drives, modems, disks, UPS, and other peripherals  Memory Management

6/14/20165 Almost The Last Duties  disk space management (formatting, partitions, quotas)  writing/modifying scripts (perl, shell, C, etc..)  running specialized services/servers ( server, web server, DNS etc..)  problem resolution

6/14/20166 Last Duties  Training (others and oneself)  Fixing Bugs  Automate Tasks  Maintain system files  Analysis of logs/systems, collect stats, reports  Planning and Recommendations  Work with vendors, customers  Research New Technologies

6/14/20167 History System Administration:  1940s - today: supercomputer, mainframes, minis, micros, pda  s: networks, client/server, "system administrator" "network administrator" (vs. programmers/operators)  2000 and beyond - hot area of computing

6/14/20168 NT - Microsoft, Proprietary. New Technology.  Clients: Dos-->Windows > Windows 95 --> Windows 98 --> Windows > Windows XP -->  Windows Vista --> Windows 7  Servers: Windows NT --> Windows 2000 (aka NT 5.0) --> Windows 2003 (aka NT 6.0) --> Windows > Windows 2008 R2  > Windows 2012 R2

6/14/20169 Historical Timeline:  ( html )  Microsoft Formed  Xenix released by Microsoft  MS-DOS 1.0 released with new IBM PC  Windows 1.0 released  Windows 3.1 released  Windows NT 3.1 released (over 6 million lines of code) 

6/14/ Windows NT released - Windows 95 released - Windows 95 released Windows NT 4.0 released Windows NT 4.0 released Windows 98 released Windows 98 released Microsoft announces Windows NT 5.0 will be renamed Windows Microsoft announces Windows NT 5.0 will be renamed Windows release of windows 2000 (aka NT 5.0) release of windows 2000 (aka NT 5.0) release of windows XP (aka NT 5.1) release of windows XP (aka NT 5.1) release of windows 2003 server release of windows 2003 server release of Windows 2008 server release of Windows 2008 server release of Windows 2012 server release of Windows 2012 server

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