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CS5493(7493): Secure System Administration. J. Childress Rayzor 2090 james-childress@utulsa.edu. Computing Systems. A computing system is a topology of computing hardware devices, software, and data with a defined boundary. Computer System Consists of:.
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CS5493(7493): Secure System Administration J. Childress Rayzor 2090 james-childress@utulsa.edu
Computing Systems • A computing system is a topology of computing hardware devices, software, and data with a defined boundary.
Computer System Consists of: • Computer Hardware – the physical equipment and connections that make up a computing system. • Computer Software – the computer operating system, drivers, programs (applications and utilities), and their associated documentation. • Data
The System Administrator • AKA the SA for short • The professional responsible for making computing systems work effectively. • One can be an SA at home or at work. • If you own and maintain a computer, then you are a system administrator for that computer.
System Admin Tasks • Perform backup and restore operations. • Add and remove users • Add and remove hardware and software • Configure and maintain hardware and software • General user support: Answering users' questions • Maintain documentation and licenses • Negotiate with vendors
System Admin Tasks (cont.) • System planning • Scaling the system • Assessing new technologies • Anticipate and avoid problems • Security Management • Monitor system usage and performance • Detect and correct problems • Optimize System Performance • Manage resources (disc, memory, CPU)
System Admin Tasks (cont.) • Retire hardware • De-install software • Write programs to automate as many tasks as possible. • Determine and enforce usage policy • Educate users • Role model • Liaison between user needs and the budgetary, resource, and technology limitations.
SA Requirements • Patience • Tenacity • Strong Organizational Skills • Well developed logic, reasoning, and critical thinking skills. • The ability to read and comprehend technical information. • Ethical behavior
System Admin Guilde: SAGE • Established 1992 out of USENIX/LISA conferences (Large Installation Systems Administrators) • A professional body for practicing SAs. • SAGE is made up of SA organizations from all over the world. • http://www.sage.org/
SAGE Guidelines • Creed • Code of ethics • Mantra
SAGE Creed • We as professional System Administrators do hereby commit ourselves to the highest standards of ethical and professional conduct, and agree to be guided by this code of ethics, and encourage every System Administrator to do the same.
SAGE-Code of Ethics • Integrity must be beyond reproach • Do not unnecessarily infringe on the rights of others. • Contact with all clients and colleagues must be kept to the highest standards of professional behavior. • Maintain an exemplary work ethic • Must display professionalism in the performance of duties at all times.
SA Mantra • The computer environment does not exist solely for the amusement of the SA. (Mantra-mystical words or sounds used to facilitate a meditative conscious state.)