Introduction to Course Content Computer Center CS NCTU

Introduction to Course Content

Computer Center, CS, NCTU Outline q What SA Should do. q What You can expect to learn from this course. q What attitude you should take. q Syllabus • Course Info. • Content • Grade Policy q What You should prepare. q Am I OK to take this course? 2

Computer Center, CS, NCTU 3 What System Administrator Should do? (1) q Ordinary list • • • Install new system, programs and OS updates Monitoring system and trying to tune performance Adding and removing users Adding and removing hardware Backup and Restore Security

Computer Center, CS, NCTU 4 What System Administrator Should do? (2) q Non-technique list • • • Helping users Maintaining documentation Moving furniture Burning your lung Good communication and memorization

Computer Center, CS, NCTU 5 What System Administrator Should do? (3) q The best words to describe the job • Thankless job. • System administration is like keeping the trains on time; no one notices except when they’re late. q Philosophy of system administration • • • Know how things really work. Plan it before you do it. Make it reversible Make changes incrementally. Test before you unleash it.

Computer Center, CS, NCTU 6 What System Administrator Should do? (4) q Flow of Change

Computer Center, CS, NCTU 7 What you can learn in this course? q Mostly, the skill to be a candidate of system administrator q Secondary, information about CS computer center

Computer Center, CS, NCTU 8 Attitude q Attend every class q Do every exercise • As early as possible • On your own q Read book and practice at least 6 hours every week • Recommend: more than 1. 5 hours/day averagely. q Collect information on the internet

Computer Center, CS, NCTU Syllabus q Website: • http: //www. cs. nctu. edu. tw/~chwong/course/sysadm/ q Instructor: • 翁綜禧 chwong@cs. nctu. edu. tw q Time: • Wed. IJK (PM 6: 30 ~ 9: 20) q Textbook: • UNIX System Administration Handbook, " 3 rd ed. 9

Computer Center, CS, NCTU 10 Syllabus - Content q We will cover the following chapters in this semester (Sys. Adm): • Chapter 1 ~ 12 • Chapter 13, 17, 18, 23, 26 • Shell Programming, Perl Programming q The following chapters is covered in the next semester (Net. Adm): • • Chapter 14, 15, 16, 19, 20 , 22 News Server SNMP Perl Programming

Computer Center, CS, NCTU 11 Syllabus – Text book outline q. Chap 1 – Where to start. q. Chap 14 – Routing q. Chap 2 – Booting and shutting down q. Chap 15 – Network hardware q. Chap 3 – Rootly powers q. Chap 16 – The domain name system q. Chap 4 – Controlling processes q. Chap 17 – The network file system q. Chap 5 – The Filesystem q. Chap 18 – Sharing system files q. Chap 6 – Adding new users q. Chap 19 – Electronic mail q. Chap 7 – Serial device q. Chap 20 – Network management and debugging q. Chap 8 – Adding a disk q. Chap 21 – security q. Chap 9 – Periodic process q. Chap 22 – Web hosting and internet servers q. Chap 10 – Backups q. Chap 23 – Printing q. Chap 11 – Syslog and log files q. Chap 24 – Maintenance and environment q. Chap 12 – Drivers and the kernel q. Chap 25 – Performance analysis q. Chap 13 – TCP/IP Networking q. Chap 26 – Cooperating with Windows.

Computer Center, CS, NCTU Syllabus – Grade Policy q Mid • 25 ~ 30% Ø 2006/11/08 q Final • 35 ~ 40% Ø 2007/01/10 q Exercise (Homeworks) • 40 ~ 45% Grade will not be normalize. Why? Do exercise gets points. Study book gets points. Ø No Delay Work Ø We will have probably 5 exercises – 4 normal – 1 final project Ø We may have some bonus quiz This might be discussed again in class when the list is ascertained. 12

Computer Center, CS, NCTU What you should prepare? q Background knowledge • Basics of TCP/IP Networking (not required) q Environment • One dedicated PC Ø Or use virtual PC. • One extra IP q Yourself • Your hard study 13

Computer Center, CS, NCTU 14 Finally, Am I OK to take this course? q Are you willing to devote yourself to exercise? • Yes! Please come q Are you newbie in this area? • Yes!? It’s ok, Please come q Do you take more than 3 major courses? • Yes!? ? ? It is quite dangerous, but I can not stop u

Basic knowledge in this course

Computer Center, CS, NCTU 16 Login q SSH (Secure Shell) • Pu. TTY: http: //www. chiark. greenend. org. uk/~sgtatham/putty/download. html • Chinese Environment: http: //www. cs. nctu. edu. tw/help/putty. html

Computer Center, CS, NCTU 17 Commands q Useful commands • • • passwd ls ps mkdir/rmdir cp/mv/rm Email reader: mutt, pine, …etc. News reader: tin Connecting: ssh/telnet Manual: man, info. …etc. exit/logout

Break time. Computer Center, CS, NCTU 18 Q&A