AustinTek homepage

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AustinTek homepageJoseph Mackjmack (at) trilug (dot) org Copyright © 2002-2017 Joseph MackFeb 2019Table of Contents1. SysAdmin and Contract Programming Services1.1. Sysadmin Services1.2. Contract Programming2. Computing Programming Class: for Middle and High School Students2.1. Introduction to programming: Python2.2. Unused material from the Introductory course2.3. Complex Numbers2.4. Programming in C2.5. electricity2.6. mechanics3. Videos3.1. A class about Platonic Solids and Assembling the NOAA Icosahedral Globe of the Earth3.2. Orrery Class: A class about Day/Night, the Seasons, Phases of the Moon and eclipses3.3. A class field trip to the Duke Immersive Virtual Environment (DIVE)4. Theatre Sketches4.1. Every man needs a fancy car4.2. The Burlesque Dancer4.3. Robots5. HOWTOs5.1. Linux Virtual Server (LVS), a layer 4 router5.2. Gnucash5.3. Dual booting Linux/WinXP from a flash drive5.4. The simplest Model-View-Controller (MVC) example (Java)5.5. Bayes explained: Is the coin fair?6. Ham Radio6.1. Software: AZ_PROJ Azimuthal Equidistant Projection Map generator6.2. Articles on the Future of Ham Radio6.3. Aurora Propagation6.4. Analysis of VHF Contest Logs7. Articles7.1. Outsourcing7.2. Partition Magic Critical Error 197.3. Don't watch the shuttle launch from NASA's Kennedy Space Center (KSC) 20118. OutDoor Trips8.1. Colorado 20028.2. The Larapinta Trail, 2002, by John Ward8.3. Canoeing and Kayaking in Algonquin National Park, Ontario, Canada; 2003, 2004, 20138.4. Blue Mountains, NSW, Australia, 20109. Book Reviews9.1. The IBM Way9.2. Leaving Earth; Genesis9.3. It would be wrong to steal my sister's boyfriend (wouldn't it?)10. Amateur Astronomy10.1. Cloud Survey of North Carolina10.2. Wifi in the Wilderness: setting up wifi internet connectivity at a star party10.3. Yet another home analemma project: the Mack family driveway analemma10.4. Moon 22° complete colour tinged halo (photo)10.5. Restoration of a Tasco 8V Telescope10.6. Fix up of a Meade LX-1010.7. Why you should use Gloss Black, rather than Flat Black for the inside of your Telescope OTA: by Larry Shaper, presented at Stellafane, VT, Aug 201310.8. Figure of merit for mirror materials: by Larry Shaper, presented at Stellafane, VT, Aug 201310.9. Weather at Staunton River State Park11. Other hobbies11.1. Geology12. About Joseph Mack1. SysAdmin and Contract Programming ServicesAustintek is a small consulting business, based in North Carolina, USA.Services requiring physical presence are concentrated in the Triangle (RTP, Durham, Raleigh, Cary, Chapel Hill) area.Service in the Triad and outside can be arranged. Contract programming is available for anyone.1.1. Sysadmin ServicesAustintek does sysadmin for unix computers (and clusters of computers). 1.2. Contract ProgrammingAustintek can do contract programming, benchmarking and data analysis. We can program in - languages: C, C++, Java, Fortran, Perl (and cgi), Python, mpi, omp, pvm,X-windows (Xt, Athena widgets), Motif, RPC sockets, APL, xml, html,shell (bash, csh, awk, sed, tcl/tk), Pascal, LaTeXi, javascript, css. databases: mysql, postgres scientific, math packages: Mathematica, Maple, Matlab, R. 2. Computing Programming Class: for Middle and High School StudentsJan 2011: The classes have been going 4 yrs now.I taught python as the initial course because the kids wanted it.Python worked out well as a language to teach procedural programming. It looks the same on Linux, Windows and Mac, so the kids can use any machine/OS they like.You get a minimum number of errors, so the frustration level for the kids never gets too high.You're insulated from the OS/machine/hardware so the kids don't have to know about registers etc. 2.1. Introduction to programming: PythonComputer Programming for Middle School students: An introductory course with Python as the high level language. Class lessons for a group of 7th graderswith no previous exposure to programming(as of Aug 2008, now 8th graders- in the US 5-8th grade are called Middle School).The students are doing this after school, one day a week for about 90min,on their own time and not for credit.My son's school didn't want me to teach the classusing any of the school facilities,as they thought it would compete with a class in Javagiven to advance placement math 12th graders.However I could use the school facilities,if I didn't teach anything which would fullfil a requirement(which I assume meant anything practical).So the class is at my home and is free.Since this is a hobby activity for the kids,I don't ask them to do homework. The course is finished (Oct 2009) and the kids are now learning C.I thought I would cover more material than I did in this course.I can see, with a year's hind-site, that the material could be clearer.There wasn't time for any projects.One student gave a 20min lunch time presentation to his teachers onusing numerical integration to determine the value of NoteGoogle stopped indexing the programming class page about Aug 2008, when the class notes reached 1M(the other indexing services seem to have no trouble with it). There is no mention of size limits on google's guide to author's pagee.g. google's addurland associated pages.I've divided the sensible single page into smaller pages in the hopes that google can handle the material. If you want the material I'm using in class, go to the link immediately above.Here below is the same material divided into what I hope are google sized pages. Introduction, Primitive Data Types(http://www.austintek.com/python_class/python_class.sect_1.html) Variables, Conditionals, Iteration, Functions, Modules, Structured Programming(http://www.austintek.com/python_class/python_class.sect_2.html) Real Numbers, Square Roots, Numerical Integration(http://www.austintek.com/python_class/python_class.sect_3.html) Reference Material, Future Classes(http://www.austintek.com/python_class/python_class.sect_4.html) 2.2. Unused material from the Introductory courseMaterial the wasn't used in the Introductory Course. Presumably some of it will go into the C course. 2.3. Complex NumbersComplex Numbers. This course provoked the most interest of all the non-programming courses. 2.4. Programming in CComputer Programming for High School students: C as the high level language. Class lessons for a group of 9th graders who have taken myintroductory programming course. 2.5. electricityComputer Programming for High School students: Electricity. This short course was added in the middle of the C class,when the students found that their lack of knowledge of computer hardware was making it difficult to learn C. 2.6. mechanicsComputer Programming for High School students: Mechanics. This course was added in the middle of the electricity course,so that students would know about forces and energy. This course became progressively larger and took over all the class time.I was quite happy with this as I think mechanics is more fundamental thanelectricity or programming. 3. Videos3.1. A class about Platonic Solids and Assembling the NOAA Icosahedral Globe of the EarthA 30min video of me teaching a science class to 3rd graders(http://www.austintek.com/icosahedron_class/) at my son's school.I've been doing this since 2003 and it's lot of fun. 3.2. Orrery Class: A class about Day/Night, the Seasons, Phases of the Moon and eclipses Note I haven't got a good video of this yet.A 30min video of me teaching a science class to 4th graders(http://www.austintek.com/orrery/) at the school where my son used to go.I've been doing this since 2015. 3.3. A class field trip to the Duke Immersive Virtual Environment (DIVE)In the summer of 2009, the python class took an end of year field trip to the DIVE(http://www.austintek.com/DIVE). 4. Theatre SketchesI write and perform sketches. This is new for me.I've never done any theatre work and have spent most of my life quietly in a lab, where I can get on with my work without being bothered by people. 4.1. Every man needs a fancy carEvery man needs a fancy car. Performed at the No Shame Theater, Carrboro, NC, 21 Feb 2015. The protagonist goes to the car dealership to buy a car,in the hopes of impressing women. 4.2. The Burlesque DancerThe Burlesque Dancer. Performed at the No Shame Theater, Carrboro, NC, 21 Feb 2015. I was at a writer's workshop recently.One of the other participants was a female burlesque dancer. 4.3. RobotsRobots. Performed at the No Shame Theater, Carrboro, NC, 17 Jan 2015. The movie "2001: A Space Odyssey" from the point of view of robots. 5. HOWTOs5.1. Linux Virtual Server (LVS), a layer 4 routerLinux Virtual Server (LVS) Project is a GPL'ed layer 4 router for Linux, which allows you tocombine low cost servers (e.g. web, database)into a single highly available, high throughput server. Here's the Linux Virtual Server (LVS) HOWTOs. NoteMar 2014. I am no longer maintaining these HOWTOs. For my write-ups on LVS (performance, meeting note, trivia quiz, iron-on labels, presentations, configure script), please see my LVS page. 5.2. Gnucash Gnucash is a GPL double entry accounting package. Here's my Gnucash tutorial. This tutorial is referenced from the Gnucash website documentation page.This tutorial was delivered, on 9 Jul 2001, to the North Carolina Sysadministrator's Association (NCSA), an organisation based in RTP, NC, USA.I was the treasurer of NCSA from Dec 2000 to Dec 2003. 5.3. Dual booting Linux/WinXP from a flash drivedual booting Linux and WinXP from a flash drive 5.4. The simplest Model-View-Controller (MVC) example (Java)the simplest MVC example (Java)5.5. Bayes explained: Is the coin fair?The Bayes equivalent of "hello world"6. Ham RadioI've been a ham radio operator since High School (first licensed in 1964as VK2ZJM). I currently hold the callsign NA3T. I'm interestedin VHF equipment design and moon-bounce (communication using themoon as a passive reflector).6.1. Software: AZ_PROJ Azimuthal Equidistant Projection Map generatorThis projection produces maps of the world in which you are at the center.Great circles through your location are straight lines enabling you to determine bearings to anywhere in the world. The software was co-authored with Michael NV3Z and released in 1994 under the GPL. I maintain the AZ_PROJ on-line map server,which has been online since 1996, generating 10,000 maps/year. 6.2. Articles on the Future of Ham RadioA 50yr plan for ham radio in response to the ARRL's plan for restructingfor ham radio. 6.3. Aurora Propagation Aurora Opening of 15-16 Jul 2000: Analysis of Amateur Radio VHF and UHF logs 6.4. Analysis of VHF Contest Logs Analysis of the 1999 Spring Sprints (the sprints are a VHF/UHF contest on the US east coast). 7. Articles7.1. Outsourcingtalk(http://www.austintek.com/outsourcing/outsourcing.html)given to the North Carolina Systems Administrators(http://www.ncsysadmin.org/) 12 Jul 2004. Outsourcing is the replacement of American workers by cheaper labor from overseas.The labor can be imported into the country, e.g. by giving the worker an H1-B visa, or by contracting the jobto workers overseas. 7.2. Partition Magic Critical Error 19How I recovered a disk with the undocumented Critical 19 error. 7.3. Don't watch the shuttle launch from NASA's Kennedy Space Center (KSC) 2011What I learned from attempting to see the shuttle launch. 8. OutDoor TripsI've hiked for most of my life. I wrote up 8.1. Colorado 2002 Hiking Trip to area near the Mt. of the Holy Cross, Colorado, 8-15 Jun 2002 with an old friend Steve. Steve and I were post-docs together at Yale in the '70s.Steve, not to be outdone, has writtenhis version the trip(also available doc format).Steve has a scientific web site `Carson scienceand a photography site Natural Photography by Steven D Carson. 8.2. The Larapinta Trail, 2002, by John WardThe Larapinta Trail, McDonnell Ranges, Northern Territory, Australia, Aug 2002. 8.3. Canoeing and Kayaking in Algonquin National Park, Ontario, Canada; 2003, 2004, 2013Canoeing in Algonquin National Park, Ontario, Canada, Jul 2003Canoeing in Algonquin National Park, Ontario, Canada, Jul 2004. Kayaking in Algonquin National Park, Ontario, Canada, Aug 20138.4. Blue Mountains, NSW, Australia, 2010Hiking in the Blue Mountains west of Sydney, Oct 2010. 9. Book Reviews9.1. The IBM WayThe IBM Way, by Buck Rodgers, the VP of marketing at IBM from 1974-84 (publ 1986).This what Buck Rogers' wants you to think about how IBM works. 9.2. Leaving Earth; GenesisLeaving Earth (the Russian manned space program) and Genesis (the Apollo 8 trip to the Moon) by Robert Zimmerman. 9.3. It would be wrong to steal my sister's boyfriend (wouldn't it?)It would be wrong to steal my sister's boyfriend (wouldn't it?) by Sophie Ranald. 10. Amateur Astronomy10.1. Cloud Survey of North CarolinaUse of historicalcloud data to select a date for a star party in North Carolina. 10.2. Wifi in the Wilderness: setting up wifi internet connectivity at a star partyWifi in the Wilderness:Setting up internet connectivity for observers at the Mid-Atlantic Star Party using wifi. 10.3. Yet another home analemma project: the Mack family driveway analemmaYet another home analemma project: the Mack family driveway analemma . 10.4. Moon 22° complete colour tinged halo (photo)Moon 22° complete halo (photo). 10.5. Restoration of a Tasco 8V TelescopeRestoration of a Tasco 8V Telescope. 10.6. Fix up of a Meade LX-10Fixup of a Meade LX-10. 10.7. Why you should use Gloss Black, rather than Flat Black for the inside of your Telescope OTA: by Larry Shaper, presented at Stellafane, VT, Aug 2013Paint it Gloss Black. 10.8. Figure of merit for mirror materials: by Larry Shaper, presented at Stellafane, VT, Aug 2013Figure of merit for mirror materials. 10.9. Weather at Staunton River State ParkWeather at Staunton River State Park. This is the location for theStaunton River State Park Star Partyrun by the Chapel Hill Astronomical Observing Club 11. Other hobbies11.1. GeologyWhenever I go hiking, I see rocks everywhere. Rocks are great.I'm the VP and webmaster for theCentral North Carolina Mineral Club. In Feb 2013, I lead a field trip to Pilot Mountain State Park, NC.Here's a talk I gave on 5 Feb 2013 to prepare people for the tripPilot Mountain Field Trip(http://www.centralncmineralclub.org/field_trips/pilot_mtn/). 12. About Joseph MackMost recently I was the Senior Systems engineer and scientific programmer,working as a contractor at a US Govt supercomputer center.I have Ph.D. in biochemistry from Sydney Universtiy.I have worked atthe University of California (Davis), University of British Columbia, Yale University, US Department of Agriculture, National Cancer Institute (NCI) and National Institutes for Health (NIH) before turning to programming for a career.I've been programming since first year in college and building and designing electronics since grade school.In Jan 2013, I became a PMP.I've been doing Improv Theatre since 2013 and have started writing and performing sketches.Here's my 2 page resume,a more detailed3 page resumeand my list of publications.

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