Tag Archives: tech

Matlab Command Clips

Some matlab command clips from the notebook. Most also work in R and Octave datetick(‘x’,’HH:MM:SS’,’keepticks’) Normalizes display of time stamps to hour minute second hold all allows keeping graphed numbers on an exsiting display while adding more hold off starts a fresh graph axis square makes the size of the x and y axes the same clear all clear screen, varibales ,etc who lists all variables in the workspace CTRL-C Breaks current process, stops runaway processes clc clear command window

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Mgmt Info Sec Notes Week1

1. List and describe an organization’s three communities of interest that engage in efforts to solve InfoSec problems. Give two or three examples of who might be in each community. The three defined communities are decision makers in Information security, Information technology and non-technical staff. Examples of Information security professionals could include a risk manager or the CISO. The information technology group could include the CIO or a systems administrator. Some examples of Non-technical members could be the CEO or the Director of Human Resources.…

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Mgmt InfoSec Notes ch 3

1. What is an information security framework? A framework is an outline of security controls that is part of creating or implementing a security model. The blueprint is based off of the framework, containing more detail on controls in place and controls that are needed. 3. What is a security model? A security model is a generic blueprint that assists in creating a working security plan. 5. What is access control? Access control enables an organization to define and regulate access to data, and is…

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Startech USB2DVIE2 USB display adapter

Adding an additional monitor with Startech USB2DVIE2 USB display adapter Adding an additional display to an older machine can be expensive and complex. ATI’s multi monitor eyefinity solution requires a new card to be purchased and installed, which is simple enough if a card is available for the specific AGP, PCI or older spec PCIE slot on the motherboard. The cost can scale from 100.00 and up for a low end card. The goal was to just prop up another old 19 inch flat panel in addition…

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Replacing batteries inside an Symmetra Battery Unit

The battery packs on an APC symmetra have a life span of around 5 years, and replacing all of them at once is an expensive proposition. In an attempt to cut costs, I decided to replace the individual batteries that make up each unit. APCs SYBT4 part number refers to a 4 pack of the individual SYBTU1-PLP part, which is a long chassis with a handle at one end and a connector at the other. Each SYBTU1 contains eight individual batteries, and a small circuit…

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