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Hacker Public Radio

Your ideas, projects, opinions - podcasted.

New episodes Monday through Friday.

Correspondent

Ahuka


Host ID: 198
website:
email: zwilnik.nospam@nospam.zwilnik.com
episodes: 57

1525 - 30 - LibreOffice Calc - A Savings Model | 2014-06-06

In the previous tutorial we discussed the fundamental ideas of building models and doing “What-If?” analysis. Now we need to take these ideas and put them into practice so you can see how this works. To do this I will create  a simple model of savings over time. Now, I do want to be clear that this is a very over-simplified model and should not be taken as a good predictor of actual results. The idea is to illustrate the techniques involved in building a model and doing “What-If?” analysis.

So. what are the variables, parameters, assumptions, etc. that we need? I have identified these in my model:

  • An initial amount of money already saved. This is the starting amount you have.
  • An amount of money you add to your savings each year.
  • The rate of return on your savings

For the remainder of the show notes please see http://www.ahuka.com/?page_id=761

A copy of the spreadsheet created for this program can be found at http://www.ahuka.com/?attachment_id=763


1515 - 29 - LibreOffice Calc - Models and "What-If" Analysis | 2014-05-23

The next topic is extremely important because it addresses where most beginning users of spreadsheets get into trouble. First, understand that building models and doing "What-If" analysis is fundamental to the success and widespread adoption of spreadsheets all over the world. A model can be thought of as a mathematical representation of a process of some kind. It could be financial, such as projecting my sales over the next year, or perhaps working out when my car loan will be paid off. Or it could be scientific, such as projecting out the reaction times and quantities in a chemical reaction. The only real requirement is that whatever you are modeling has to be something that can be represented using mathematical formulas of some kind.

"What-If" analysis takes this model and lets you experiment to see how how changes in different variables affect the results in your model. If I am figuring out when my car loan will be paid off, I might ask how paying an extra $20 per month against the principle would affect my results (presumably, it should lead to getting it paid off sooner if I set the model up correctly.) Or in the case of the chemical process, how would different temperatures or pressures affect the reaction times and quantities? By experimenting with different values in my model I can do this comparison easily. But only if I built the model properly in the first place.

For the remainder of the show notes please see http://www.ahuka.com/?page_id=752


1505 - 28 - LibreOffice Calc - Fills, an Introduction | 2014-05-09

Hostname and email address: Ahuka ahuka@ahuka.com Show Title: Ahuka - 28 - LibreOffice Calc - Fills, an Introduction Desired Slot: Episode Number 1505 Intro and Outro Added: YES Series/Tags: LibreOffice, Calc, Spreadsheet, fills Explicit: Clean Twitter/Identi.CA Summary: This episode looks at the filling rows and columns using click-and-drag.

One of the key techniques in using a spreadsheet is to master the art of fills, which lets you fill a column or a row with data without having to type in every cell individually. And this technique requires that there be a predictable pattern to the contents of each cell as you fill them. But you can do a lot with this technique, and we will want to use this when we do our first model, which will be a simple savings model.

But first we need to build the tools in our tool kit, and fills are a big one. To begin with, you can fill either rows or columns, though columns are more frequently filled using this technique. Still, it is good to know you can do either. The simplest fill begins with a cell that has some kind of contents. For example, lets say that cell B1 contains the word "Rain". If you click on the cell, you will see it highlighted with a thick black border

For the remainder of the show notes please see http://www.ahuka.com/?page_id=734


1500 - Key Signing | 2014-05-02

One of the issues in using public key encryption is ensuring you know who you are communicating with, and that you have correctly matched the owner to the key. Otherwise, your communication could be intercepted and decrypted by a third-party. The way we solve this problem is with key signing, which is often done at key signing parties. We discuss all this with Tony Bemus of the Sunday Morning Linux Review.

Links:


1495 - 27 - LibreOffice Calc - Calculations and the Formula Bar | 2014-04-25

Since the main purpose of a spreadsheet is to perform calculations it is appropriate that we consider just how this is done.

In general, a cell of a spreadsheet can contain one of three things:

  • A number
  • Text
  • A formula

All calculations are done using formulas. A formula occurs whenever a cell has contents that begin with an equals sign, which is the signal to Calc that it needs to perform a calculation. For instance, if a cell contains "A3+B3", Calc would examine this, see the letters and the plus sign, and decide that the contents of the cell were a text string. After all, it cannot be a pure number with those other things there. But place an equals sign in front, so that the contents now read "=A3+B3" and Calc knows that this is formula, and will perform the calculation. And one of the best ways to interact with a cell that contains a formula is to use the Formula Bar, which normally appears just above the cells of the spreadsheet proper:

For the remainder of the show notes please read: http://www.ahuka.com/?page_id=723


1485 - 26 - LibreOffice Calc Cells | 2014-04-11

LibreOffice Calc: Cells

All spreadsheets have the same basic structure, a table of rows and columns. Columns are headed up A, B, C, and so on. After Z, the next column is AA, then AB, AC, AD, and so on. The maximum number of columns is 1024. Rows are numbered 1,2,3 and so on, and the maximum number of rows is 1024*1024, or 1,048,576. At this time I am not aware of any plans to increase these numbers, though that could change if competitive pressures make it necessary.

Where a row and column intersect, there is a cell, which is given the address of the column followed by the row, e.g. A1, but never 1A. This is very useful since you can use the contents of a cell in a calculation by simply using the cell address. For example, to add the value of cell B4 to the value in cell C3 and store it, you would write “=B4+C3″ in the cell where you want to store the sum. Learning to use cell addresses is extremely important, so get in the habit of doing this at every opportunity.

For the rest of this article see http://www.ahuka.com/?page_id=706


1482 - 02 What is on my podcast player | 2014-04-08

What is on my podcast player

My web site is at hhttp://www.zwilnik.com/.

Remember to support free software!


1481 - Encryption and Gmail | 2014-04-07

Last time we looked at how you can use GPG and Enigmail to digitally sign or encrypt messages in Thunderbird. But today many people use web-based mail, and one of the most popular is Googles Gmail. Others include Outlook.com and Yahoo, but using any of them is pretty similar. So since I have a Gmail account handy, I will use that to demonstrate encryption in web mail accounts.

The important thing you must keep in mind is that this relies on you using your GPG keys to either sign or encrypt the message before it leaves your computer, what Steve Gibson calls Pre-Interent Encryption, or PIE. The flaw in what Lavabit did (discussed in previous lesson) was to use keys that the mail provider controlled, and these keys could be (and were) demanded by the the government.. If you use your own GPG keys that you control, no provider (Google, in this case) is even capable of giving anything to the government other than a blob of random nonsense.

To do this, I will use an extension for Googles Chrome Browser called Mailvelope. This is also available for Firefox, but in my case I use Chrome to access my Gmail account., so using a Chrome extension makes sense for me. The first thing to do is go to the Chrome store, search for Mailvelope, and install it.

For the remainder of the show notes please see http://www.zwilnik.com/?page_id=546

Links


1479 - 01 What is on my podcast player | 2014-04-03

What is on my podcast player

My web site is at hhttp://www.zwilnik.com/.

Remember to support free software!


1475 - 25 - LibreOffice Calc What Is A Spreadsheet | 2014-03-28

LibreOffice Calc: What is a Spreadsheet?

There are different ways to answer this question. Functionally, spreadsheets are a tool for mathematical calculations, but have branched out into related areas like data analysis. Some people even use them as a quick-and-dirty database tool. If you are in a financial profession of some kind you probably live in spreadsheets all day.

Spreadsheets are original “killer app”. Early examples were implemented on mainframe computers in the 1960s, but the big step was the creation of VisiCalc for the Apple II in 1979, which was then ported to the IBM PC in 1981. VisiCalc set the conventions that guided all subsequent spreadsheets, and the essential methods have not changed since then. VisiCalc was called the first killer app because people would buy the computer just to run the program, and the usefulness of spreadsheets is what promoted the initial entry of personal computers into the corporate world, with all of the change that has caused.

For the remainder of this article please see http://www.ahuka.com/?page_id=699


1465 - 24 - LibreOffice Writer A Brochure Project | 2014-03-14

The written version of this show can be found at http://www.ahuka.com/?page_id=676 The European version of the brochure. The American version of the brochure.


1462 - Encryption and Email with Thunderbird | 2014-03-11

Now it is time to take a look at practical uses of encryption, and the number one use is for e-mail. Encrypted communication via e-mail is very desirable if you want to keep a secret. In the U.S. the current legal precedents say that any e-mail left on a server is not protected since you would have no expectation of privacy. This precedent was set many years ago when POP3 was the standard for all e-mail and people did not usually leave e-mail on a server. These days, many people use web-based e-mail or use a newer standard called IMAP which by default stores everything on the server. Perhaps you are one of these people, and thought that you had a right to expect privacy, but in the U.S. you dont, and I would expect that in many other countries the situation is no better.

There have been attempts to provide encrypted e-mail service from a service provider, but the problem here is that the provider usually has to have to the key in order to encrypt the e-mail, and if they have the key they can be compelled to give it up. Recently in the U.S. there was a case involving Ladar Levison who ran such a service called Lavabit. Lavabit encrypted mail in transit using TLS encryption, and he had the keys. When his service was used by Edward Snowden, the government came to get the keys. Now, Levison would have given them the key for Snowdens e-mail if he had been served a warrant, as he always made clear to his customers that he would obey proper legal demands. But in this case the government demanded that he turn over all of the keys for all his customers, and this was too far for Levison. He shut down his service rather than cooperate, and is a bit of a hero for that. But it illustrates that you are at the mercy of the service provider. If the government made this demand to Lavabit, you are safe in presuming they had made the same demand to other providers, and that they all cooperated with the government and said nothing to their customers. So it would be mistake to rely on 3rd party mail service providers to give you privacy. You need to control it yourself. But of course, after the last few lessons you know how to do that, and have your secure keys created. You just need to put them to use.

For the remainder of the show notes please see http://www.zwilnik.com/?page_id=547

Links


1455 - 23 - LibreOffice Writer Other Page Layout Options | 2014-02-28

Other Page Layout Options

As we mentioned in beginning our look at Page Layout, you have some options other than just Page Styles and Frame Styles, useful though they are. So let’s spend a few moments looking at these other options and see how they work.

Tables

Tables can be a useful tool for more than just displaying tabular data. You can place different object in each cell of a table and so have some control over how things are laid out on the page. You could, for instance, place your sub-heads in a left-hand column, and the associated text in an adjoining column, which gives you the same effect as using the Marginalia style. And you can add pictures, charts, and other objects as well. You can even insert a table into a cell of another table to get more fine-grained control. In fact, in the days before Cascading Style Sheets and Javascript, tables were the primary way of laying out Web pages, though these days that is frowned upon, and in any case most Web pages are now created using some kind of CMS software like WordPress, or Drupal. The idea of using tables was more attractive when we realized you could turn-off the cell borders and make them invisible. Of course, in Writer documents that only works when they are printed. When opened on a computer the table borders are still visible, as indeed they would have to be for you to edit the document.

For the remainder of this article please see http://www.ahuka.com/?page_id=676


1445 - 22 - LibreOffice Writer Other Frame Styles | 2014-02-14

This continues our look at frames by looking at frame styles for things other than text.

LibreOffice Writer Other Frame Styles

In the previous tutorial we looked at using the frame style for text, which is not called the Text style, but the Frame style, which may be confusing. This is a very common use of frames, but there are others. To start the discussion, let’s get back to the basic concept of objects. LibreOffice is an object-oriented program and you should keep this in mind when dealing with this software.

A piece of text can be an object, and it can contain other objects (paragraphs, sentences, words, characters), or it can be contained within other objects (section, chapter, document). In the case we are looking at, a frame is an object, which contains other objects, and is in turn contained within larger objects (page, section, document). Depending on the objects being contained, the frame styles can be different, and that is what we need to look at now.

Please see http://www.ahuka.com/?page_id=671 for the rest of the article


1440 - Creating a Key Pair - GUI Client | 2014-02-07

In the previous program we explained how to use th4\e command line tools to generate encryption keys. This time we look at the GUI clients that some people may prefer. Using KGpg as an example, we can see that ti does all the things we did last time on the command line.


1435 - 21 - LibreOffice Writer Frame Properties Completed | 2014-01-31

This is the second of two programs that look at Frame properties in LibreOffice Writer. In the first program we looked at how to size and position Frames. Here we look at other things you can do, such as name your frames for linking, wrap text around frames, set the borders and backgrounds, and even add columns to the frame. This finishes the look at the Properties window and what you can do there.

Links

This tutorial can be found in written form on my Web site at http://www.ahuka.com/?page_id=652


1425 - Ahuka 20 LibreOffice Writer FramesIntroduction and the Type Tab | 2014-01-17

This episode introduces the discussion of Frames in LibreOffice Writer by opening the Properties window and looking at the first tab, Type. Becuase there is so much to discuss about this tab, it is the only one we will look at in this episode. In the next episode we will wrap up the discussion of Frame properties by looking at the ther tabs in this window

Links

The written version of this tutorial can be found on my Web site at http://www.ahuka.com/?page_id=476


1421 - Statistics and Polling | 2014-01-13

We are given polling results constantly in news stories, and even more so when an election is near. But how accurate are these polls? What are the limitations? And what kinds of questions should you have when looking at these surveys? I will attempt to answer these questions in this podcast.


1415 - 18 - LibreOffice Writer Working with Page Styles | 2014-01-03

In this episode of our LibreOffice series we take the concept of Page Styles, and show how to use them to create an elegant document.

Some useful sites


My web site is at http://www.ahuka.com/.

This program has a written page at http://www.ahuka.com/?page_id=608


Remember to support free software!


1410 - Generating Keys on the Command Line | 2013-12-27

This is the third in our Security and Privacy series, and explains how you can generate keys on the command line in Linux using GPG.


This article appears on my web site at http://www.zwilnik.com/?page_id=456.


Remember to support free software!


1407 - Mars Needs Women, and Hacker Public Radio Needs Shows | 2013-12-24

Hacker Public Radio welcomes everyone to record shows and contribute them to the network. In this show we discuss the many ways you can do that. IT is very easy to contribute a show and get involved, so we encourage everyone to join in.


1406 - ORCA fundraiser | 2013-12-23

In today's show Ahuka tracks down Jonathan Nadeau, from the Accessible Computing Foundation to discuss the running campaign to improve the Orca Screen Reader.

  1. ORCA fundraiser: http://www.indiegogo.com/projects/orca-bringing-digital-sight-to-the-vision-impaired
  2. Accessible Computing Foundation http://theacf.co/
  3. Sonar http://sonargnulinux.com/


1405 - 18 - LibreOffice Writer Page Styles Introduced | 2013-12-20

In this episode of our LibreOffice series we introduce the concept of Page Styles, and take a look at how their properties can be controlled.

Some useful sites


My web site is at http://www.ahuka.com/.

This program has a written page at http://www.ahuka.com/?page_id=488


Remember to support free software!


1395 - 17 - LibreOffice Writer Overview of Page Layout Options | 2013-12-06

In this episode of our LibreOffice series we begin our look at how you control page layout.

Some useful sites


My web site is at http://www.ahuka.com/.

This program has a written page at http://www.ahuka.com/?page_id=478


Remember to support free software!


1391 - Google Play Music All Access | 2013-12-02

This program is about the new online streaming music service from Google, called Goolge Play Music All Access.

Like many people I enjoy listening to music, and having my music with me everywhere is important. And I have a large music collection to draw on. Trying to have everything with me at all times is a bit of a problem, though, considering how much music I have. Right now I own a number of portable MP3 players, two of which are full of music that I carry with me. My pockets can get very full that way, though, and while I like listening to tracks I own, what about finding new stuff? My MP3 players have never suggested anything to me. This is where the cloud services come in.

You can find the rest of the show notes together with screen shots at http://www.palain.com/?page_id=169


1390 - 02 - Encryption Basics | 2013-11-29

In this episode of our Privacy and Security series we look at the fundamentals of encryption and how it has developed over the centuries. We will also develop a basic idea of the current asymmetric public key cryptography.

Some useful sites


This article appears on my web site at http://www.zwilnik.com/.


Remember to support free software!


1385 - LibreOffice 16 Writer Nested Lists Controlled via Styles | 2013-11-22

In this episode of our LibreOffice series take the Nested lists and see how we can control them using Styles.

Some useful sites

My web site is at http://www.ahuka.com/.

Remember to support free software!


1375 - LibreOffice 15 Writer Nested Lists Introduced | 2013-11-08

In this episode of our LibreOffice series we look at Nested lists, a tricky but powerful techinque to use.

Some useful sites

My web site is at http://www.ahuka.com/.

Remember to support free software!


1373 - 01 - Why Do We Need Privacy, And Isn't It A Waste Of Time Anyway? | 2013-11-06

In this episode of our Privacy and Security series we look at two issues. The first is why we need Privacy, and the second is whether it is practical in the 21st century. I hope to show that we do need it, and that it is both practical and surprisingly easy to do some simple things to obtain it.

Some useful sites


This article appears on my web site at http://www.zwilnik.com/.


Remember to support free software!


1365 - LibreOffice 14 Writer A Numbered List Style Deconstructed | 2013-10-25

In this episode of our LibreOffice series we take one of the Numbered List styles in LibreOffice Writer and go through the Properties window to learn how it is put together

Some useful sites

My web site is at http://www.ahuka.com/.

Remember to support free software!


1355 - LibreOffice 13 Writer A Bullet Style Deconstructed | 2013-10-11

In this episode of our LibreOffice series we take one of the Bullet List styles in LibreOffice Writer and go through the Properties window to learn how it is put together

Some useful sites

My web site is at http://www.ahuka.com/.

Remember to support free software!


1345 - LibreOffice 12 Writer List Styles Introduced | 2013-09-27

This episode of the LibreOffice series introduces the concept of List Styles in LibreOffice Writer. We discuss List Styles in general and tour the Properties window for List styles.

Some useful sites

My web site is at http://www.ahuka.com/.

Remember to support free software!


1335 - LibreOffice 11 Writer Character Styles | 2013-09-13

Mentioned in the program: http://www.csszengarden.com/

Some useful sites

My web site is at http://www.ahuka.com/.

Remember to support free software!


1325 - LibreOffice 10 Writer Paragraph Styles in Templates | 2013-08-30

Mentioned in the program: http://extensions.libreoffice.org/

Some useful sites

My web site is at http://www.ahuka.com/.

Remember to support free software!


1315 - LibreOffice 09 Writer Working With Paragraph-Level Styles | 2013-08-16

Some useful sites

My web site is at http://www.ahuka.com/.

Remember to support free software!


1305 - LibreOffice 08 Writer Tab Styles | 2013-08-02

Some useful sites

My web site is at http://www.ahuka.com/.

Remember to support free software!


1295 - LibreOffice 07 Writer Heading Styles | 2013-07-19

Some useful sites

My web site is at http://www.ahuka.com/.

Remember to support free software!


1285 - LibreOffice 06 Writer Creating a Paragraph Style LibreOffice | 2013-07-05

Some useful sites

My web site is at hhttp://www.ahuka.com/.

Remember to support free software!


1275 - LibreOffice 05 Writer Style Properties 2 | 2013-06-21

Links

My web site is at http://www.ahuka.com/

Remember to support free software!


1267 - LibreOffice 04 Writer Style Properties 1 | 2013-06-11

Some useful sites

My web site is at http://www.ahuka.com/

Remember to support free software!


1242 - What's Wrong With Free, Anyway? | 2013-05-07

In looking at the distinction between free of charge and free as in freedom, some interesting issues emerge. I argue that free of charge is often not what we should be lookiing for if we want good software options. But because I like going the long way around behind the barn to get anywhere, I start off in the Music business.

Links to things I mentioned


My web site is at http://www.zwilnik.com/.


Remember to support free software!


1190 - LibreOffice 03 Writer Introduction to Styles | 2013-02-22

Some useful sites


My web site is at http://www.ahuka.com/.


Remember to support free software!


1149 - LibreOffice 02 Writer Default Template | 2012-12-27

Some useful sites

  • http://www.libreoffice.org/get-help/documentation/
  • http://wiki.documentfoundation.org/Documentation/Publications
  • http://gofree.com/Tutorials/
  • http://en.libreofficeforum.org/

My web site is at hhttp://www.ahuka.com/.


Remember to support free software!


1144 - Who Owns Your Files | 2012-12-20

Indie and Creative Commons

  • Soundcloud - This is a music and audio sharing site, primarily.
  • Free Music Archive - Lots of CC-licensed music.
  • Jamendo - One of the premiere CC music sites.
  • Bandcamp - I just learned about this site from my friend Craig Maloney, who does the Open Metal Cast. This site has Creative Commons music from bands who want to build a relationship with their fans and sell them music. Good artists like Amanda Palmer are here.

e-Books

When it comes to books, you really are at the mercy of the individual publishers. Most music labels have finally come to accept that no DRM is the best way to go, but must book publishers are still being dragged into the 21st century kicking and screaming. But there are some good places to find e-books that respect your freedom.
  • Project Gutenberg - This is the granddaddy of the DRM free book sites. Project Gutenberg makes available books that are in the Public Domain, i.e., where the copyright has run out. These are mainly older books, but a lot of classics are in here. They make books available in all of the major formats.
  • Baen Books - This publisher specializes in the harder Science Fiction, but they really understand the new media landscape. They not only offer most of their books DRM-free and in multiple formats, but they also have the Baen Free Library, where they offer selected books free of charge. The hope is that with the first taste free, you will want to buy more. And it works. I went there to see what they had, discovered that they had the entire collected works of one of my favorite authors (James H. Schmitz) for sale, and bought the lot of them.
  • Tor/Forge - A major publisher in the Science Fiction and Fantasy fields, they just moved to going DRM free a few months ago. They did this because other publishers had been successful in so doing.
  • Angry Robot - Along with Baen, a pioneer in selling DRM-free books in the Science Fiction and Fantasy fields.
  • Avon Romance - A major publisher of romance novels, they just announced that they are experimenting with DRM-free ebook sales.
  • O'Reilly Media - The premiere publisher of technical books, they pretty get everything right. They sell e-books without DRM. When a new edition of a book you already bought comes out you can "upgrade" for a nominal fee (e.g. I upgraded my Kevin Purdy "Android" book for $1). And with older books that they think are no longer worth in print, they are removing the copyright and making them freely available.
  • ManyBooks.net - This site has a lot of overlap with Project Gutenberg, but also has some newer works that have been made available, such as Charles Stross's Accelerando.
  • Fictionwise - Although heavy on the Science Fiction and Fantasy, has a lot of offerings in other genres as well. Reasonably priced and DRM-free.
  • Cory Doctorow - Cory was one of the first authors to make a point of offering all of his works not only DRM-free but free of charge in e-book formats from his Web site. But you know, when the book he co-authored with Charles Stross Rapture of the Nerds came out recently I went to the Google Play store and bought it.
  • DriveThru Fiction - An interesting site that also has Comics and RPG games available.
  • Apress - A publisher of technical books that also offers reduced-price e-books if you have already purchased the print title. This is something I'd like to see more of.
  • Packt Publishing - Another technical book publisher with DRM-free books.

Audiobooks

This is where there is still a big disappointment. Audible, which is by any measure the clear leader here, insists on DRM on all of their books, which is why I refuse to get an account. Audible is now owned by Amazon, which sells music tracks as MP3 files without DRM, so there was hope when they bought Audible that we could get DRM-free audiobooks, but that was not the case. Fortunately, there are alternatives.
  • eMusic - This is the same site I mentioned above for DRM-free musci tracks. They also offer a subscription plan for audiobboks, $10 a month gets you one book. Selection is not as good as Audible, but their list is growing all of the time and I have had no trouble finding books there that interest me. I recently listened to Walter Isaacson's biogrpahy of Albert Einstein through a book I bought here.
  • Podiobooks - This site offers audiobooks in serialized form, much like podcasts offer you a file every week. Heavy on the Science Fiction and Fantasy at this point, but worth checking out. Scott Sigler and J.C. Hutchins are both available here, for instance.
  • Scott Sigler - Scott used free content to get his name out, but still offers free audio versions on his web site even though he now has a publisher.
  • Cory Doctorow - Cory in addition to offering free ebooks also offers audiobooks that are DRM-free on a "name your own price" basis. Among the readers on his books are Neil Gaiman, Wil Wheaton, Spider Robinson, and Leo Laporte. He even sells files and CDs in Ogg format if you prefer to get your files that way. Due seriously gets freedom, but if you know anything about Cory Doctorow you know that.

My web site is at hhttp://www.ahuka.com/.


Remember to support free software!


1136 - LibreOffice 01 Introduction to Office software | 2012-12-10

LibreOffice

Some useful sites


My web site is at hhttp://www.ahuka.com/.

Remember to support free software!


1093 - Separate Presentation from Content - 2 Office Software | 2012-10-10

Alfrescohttp://www.alfresco.com/


Ohio LinuxFest is September 28-30 in Columbus, Ohio. Go to https://ohiolinux.org/ for more information.


My web site is at hhttp://www.ahuka.com/.


Remember to support free software!


1088 - Penguicon 2012 | 2012-10-03

Penguicon is at http://www.penguicon.org/CMS/

LoCoCast is at http://lococast.net

Indiana LinuxFest is at http://www.indianalinux.org/cms/

Science Fiction Oral History Association is at http://www.sfoha.org

Hurrican Electric is at http://www.he.net

Washtenaw Linux Users Group is at http://www.lugwash.org


Follow my blog at http://www.zwilnik.com/


To submit a talk for Ohio LinuxFest, please go to https://ohiolinux.org/callfortalks for more information.


Remember to support free software!


1073 - Separate Presentation from Content - 1 The Web | 2012-09-12

The W3C page on why you should do this: http://www.w3.org/TR/WCAG20-TECHS/G140

The The Universal Usability page: http://universalusability.com/access_by_design/document_structure/separate.html

Wikipedia has an article at: http://en.wikipedia.org/wiki/Separation_of_presentation_and_content

CSS Zen Garden shows how the look of a page can change with the same content : http://www.csszengarden.com/


Ohio LinuxFest is September 28-30 in Columbus, Ohio. Go to https://ohiolinux.org/ for more information.


My web site is at hhttp://www.ahuka.com/.


Remember to support free software!


1063 - Freedom and Licensing | 2012-08-29

Linux Action Show is at http://www.jupiterbroadcasting.com/show/linuxactionshow/

Free Software Foundation is at http://www.fsf.org/

Linux Format Magazine is at http://www.linuxformat.com/


Follow my blog at http://www.zwilnik.com/


To submit a talk for Ohio LinuxFest, please go to https://ohiolinux.org/callfortalks for more information.


Remember to support free software!


1013 - Saving Programs From TiVo | 2012-06-20

kmttg, which I use to download from TiVo, can be found at: http://code.google.com/p/kmttg/

The Java Runtime Environment should be in your distro's repositories, but you can also get it at: http://java.com/en/download/index.jsp

tivodecode is available at the kmttg site as above.

curl, mencoder, and ffmpeg should all be found in your distro's repositories.

Handbrake can be found at: http://handbrake.fr/downloads.php

Comskip can be found at: http://www.kaashoek.com/comskip/

AtomicParsley can be found at: http://atomicparsley.sourceforge.net/

kdenlive can be found in your distro's repositories or at http://www.kdenlive.org/

And finally, all of the information in this program can also be found at my web site at: http://www.zwilnik.com/?page_id=138


To submit a talk for Ohio LinuxFest, please go to https://ohiolinux.org/callfortalks for more information.


Remember to support free software!


0983 - Freedom is not Free 5 - Get Involved | 2012-05-08

Rounding off his series on "Freedom", Ahuka finishes off with "Get Involved" Remember that you should check out the following link https://ohiolinux.org/node/187, and http://www.zwilnik.com/

0981 - Review Indiana LinuxFest 2012 | 2012-05-06

Indiana LinuxFest is at http://www.indianalinux.org/cms/

My web site is at http://www.zwilnik.com/


To submit a talk for Ohio LinuxFest, please go to https://ohiolinux.org/callfortalks for more information.


Remember to support free software!


0973 - Freedom is not Free 4 - Money | 2012-04-24

In the fourth of his series "Freedom is not Free" Ahuka discusses how you can contribute money to support projects.

https://ohiolinux.org/node/186

0957 - Freedom is not Free 3 - Documentation | 2012-04-02

https://ohiolinux.org/node/186
http://www.zwilnik.com

0943 - Freedom is not Free 2 - Bugs | 2012-03-14

http://how-to.linuxcareer.com/guide-to-bug-submitting-and-bug-tracking-in-linux
https://ohiolinux.org/node/186
http://www.zwilnik.com

0933 - Freedom is not Free 1 Introduction | 2012-02-28

Richard Stalman Free Software foundation

Richard Stallman

From Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Richard_Stallman

Richard Matthew Stallman (born March 16, 1953), often shortened to rms, is an American software freedom activist and computer programmer. In September 1983, he launched the GNU Project to create a free Unix-like operating system, and he has been the project's lead architect and organizer. With the launch of the GNU Project, he initiated the free software movement; in October 1985 he founded the Free Software Foundation.
Stallman pioneered the concept of copyleft, and he is the main author of several copyleft licenses including the GNU General Public License, the most widely used free software license. Since the mid-1990s, Stallman has spent most of his time advocating for free software, as well as campaigning against software patents, digital rights management, and what he sees as excessive extension of copyright laws. Stallman has also developed a number of pieces of widely used software, including the original Emacs, the GNU Compiler Collection, the GNU Debugger, and various tools in the GNU coreutils. He co-founded the League for Programming Freedom in 1989.

The Free Software Definition

http://www.gnu.org/philosophy/free-sw.html

A program is free software if the program's users have the four essential freedoms:

  • The freedom to run the program, for any purpose (freedom 0).
  • The freedom to study how the program works, and change it so it does your computing as you wish (freedom 1). Access to the source code is a precondition for this.
  • The freedom to redistribute copies so you can help your neighbor (freedom 2).
  • The freedom to distribute copies of your modified versions to others (freedom 3). By doing this you can give the whole community a chance to benefit from your changes. Access to the source code is a precondition for this.

Free as in Freedom

Free as in freedom oggcast - http://faif.us
Free as in Freedom is a bi-weekly oggcast, hosted and presented by Bradley M. Kuhn and Karen Sandler. The discussion includes legal, policy, and many other issues in the Free, Libre, and Open Source Software (FLOSS) world. Occasionally, guests join Bradley and Karen to discuss various topics regarding FLOSS.
You can email feedback on the show to oggcast@faif.us, or join bkuhn and other listeners in our IRC channel, #faif on irc.freenode.net.

Free Software Foundation

From Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Free_Software_Foundation

The Free Software Foundation (FSF) is a non-profit corporation founded by Richard Stallman on 4 October 1985 to support the free software movement, a copyleft-based movement which aims to promote the universal freedom to create, distribute and modify computer software. The FSF is incorporated in Massachusetts, USA.
From its founding until the mid-1990s, FSF's funds were mostly used to employ software developers to write free software for the GNU Project. Since the mid-1990s, the FSF's employees and volunteers have mostly worked on legal and structural issues for the free software movement and the free software community. Consistent with its goals, only free software is used on FSF's computers.

How you can support free software

  • Bug Reports
  • Documentation
  • Financial Support
  • Advocacy


0901 - Ahuka: Intro and How I Got Into Linux | 2012-01-16

Another hosts steps up to the plate and introduces them selves to the Hacker Public Radio elite. Today it's the turn of Ahuka who opens with the now traditional "How I Got Into Linux" show.

His website is at http://www.zwilnik.com

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