IST 346 - chapter 3

IST 346 - chapter 3 - IST 346 Workstations Lecture #2,...

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IST 346 Workstations Lecture #2, Chapter 3
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Workstations What is a workstation. As defined on page 41, a workstation as “ computer hardware dedicated to a single customer’s work ”. This could be extended to include a thin client and / or virtual workstation, a laptop, or even a smart cell phone will custom applications installed. Managing workstations boils down to completing 3 tasks Loading the System OS (operating system) and software Updating the System OS and software Configuring or reconfiguration network parameters
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Workstations Rules apply to managing a few dozen workstations to a few thousand workstations. The concepts and processes are the same, independent of what OS your using (Windows, LINUX, Mac, etc). Doesn’t matter. The name of the game is consistency . How is consistency achieved?
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Consistency Can be achieved at many levels Loading the OS and deploying patches Loading and updating the applications Loading network configurations Loading and updating printer drivers and printer driver configurations (paper trays, color settings, duplex settings, etc) Having the same helpdesk staff answering the phone and desktop support staff visit the same users / PC’s. Managing systems and applications through their lifecycle. Lifecycle is defined as: The useful life of an information system; either hardware or software.
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Lifecycle Management Project how long hardware and software will last Divide the cost of the resource by this number. This is how much per year you will need to spend on the resource Example: A PC costs $1,200 new and has a expected lifecycle of 4 years. You will need to budget or save ~$300 per year to replace this device once its lifecycle has ended. Again, this applies for software as well as hardware. Combination of hardware and software form the platform ” on which your company functions.
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Lifecycle Management
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Evard’s Life Cycle of a PC
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Evard’s Definitions New : A completely new machine, just delivered etc. Clean : A machine with only the OS installed on it. Configured : A machine with all configuration and software on it. Only usable in this state ! (hint: good quiz question) Unknown : A polluted machine. Extra applications installed, extra files etc. The machine has an unknown state in the administrators perspective. Off : A retired machine. Build : The process of installing the Operating System for the first time. Initialize : Could also be called Configuring, installing required software and configurations. Update : Applying patches, configuration updates, extra software etc. Moving to a new known state Entropy : The process of polluting a system. During this time, the system is said to be degrading. Debug
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This note was uploaded on 12/13/2011 for the course IST 346 taught by Professor Rieks during the Fall '11 term at Syracuse.

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IST 346 - chapter 3 - IST 346 Workstations Lecture #2,...

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