Software Freedom Day 2009

Posted on September 27th, 2009

Software Freedom Day 2009 was held at the Melbourne PC User Group rooms at Chadstone shopping centre on 19th September 09. Organised by Brianna Laugher, President of WikiMedia Australia, and Donna Benjamin, President of Linux Users’ Victoria, the event aimed to showcase the numerous free and open source software and hardware tools available for use.

The day saw numerous presentations, including;

  • Wen Lin presented on how to use alternative operating systems such as Ubuntu on your netbook, and how to use Clonezilla for backup up and restoring your system
  • Ben Sturmfels presented on the basic freedoms that open source software embodies
  • Simon Hobbs provided an overview of using Drupal for building websites
  • Minh Nguyen presented on programming with Python
  • Daniel Jitnah presented on how to make the move to open source

During the day Andy Gelme, who’s heavily into open hardware and is involved with the Community Connected Hackerspace in Melbourne gave an hour and a half workshop on Arduinos, where we all got to program an Arduino. This was much easier than I had anticipated, as it only required a bsic knowledge of electronics, and some experience in C.

I ran two workshops during the day on WordPress;

A very big thank you to Multimedia Victoria, who generously supported the event, allowing hundreds of Open CDs containing free and open source software to be produced and distrubted.

StixcampNewstead – Donna Benjamin’s talk on Inkscape

Posted on March 22nd, 2009

drawing

Donna Benjamin is President of Linux Users’ Victoria and is quite influential in the open source community. Her talk at StixCampNewstead was on the open source product ‘Inkscape‘ – which provides a free alternative to programs such as Adobe Illustrator and Fireworks.

Most people at the presentation had had some exposure to Inkscape which made Donna’s presentation all the more interesting. She demonstrated a number of the features of Inkscape including:

  • Bezier curves
  • Stroke and fill options

Inkscape produces scalable vector graphics – as opposed to the raster images produced by the likes of Photoshop. This makes it quite a useful tool for large format printing, such as for banners. It can also be scripted, for instance by taking XML input and using it to have dynamic text represented in an image.

Inkscape provides very fine grained controlled over stroke and fill options – I was very impressed by the stroke options available. Often in graphics programs the stroke options go to a minimum of .5pt for stroke – but Inkscape can go much finer which is useful for line art based designs.

The creation above is my first attempt at using Inkscape (keep in mind I’m fluent with Illustrator, Fireworks and Photoshop) and generally it is very easy to use. The interfaces are a little foreign at first, but then any graphics application that’s reasonably mature usually is. The only real difficulty I had was that it does not output PNG natively – it has to first be converted to a raster image. When importing between Inkscape and GIMP, there were also some parts of the image that were not correctly converted.

Bonnie Babes – an open source email and website solution

Posted on December 29th, 2008

The Bonnie Babes Foundation website, email and shared calendaring has recently been developed using free and open source software. That is, each of the software tools is completely and absolutely FREE! My time on the project (around 100 hours all up) was also donated, so the only costs incurred by the Foundation were for web hosting ($15 per month at Servers Australia).  So, how did it all come together?

Email

Bonnie Babes were previously using a POP-based solution using the organisation’s primary email contact address. This meant that if five separate people on five separate computers each sent mail, no one else could see what had been sent. This was migrated to an IMAP-based solution using Thunderbird.

The old POP email was moved to the IMAP folders. The biggest hassle here was that there was around 80 times more email to migrate to IMAP than I had budgeted for during the analysis phase. Luckily, Servers Australia came to the party and gave us some breathing space with an extra half a gig (NOTE: Big thanks Jared!). There was one machine that would crash every time I tried to import the mail from Outlook into Thunderbird, so as a workaround we first imported the mail from Outlook into Outlook Express, and from Outlook Express into Thunderbird. This finally worked (just be careful if you have to do this, as it imports ALL accounts from Outlook Express).

The staff at the organisation were used to using Outlook rather than Thunderbird, however they seemed to adapt fairly quickly. The only glitches we found were that the formatting in Thunderbird is a little different to Outlook – so ‘Paste without formatting’ was used as a workaround.

Filters have been set up on one computer rather than different computers having different filters applied.

Shared calendar

One of the requirements of the organisation was to have a shared calendar so that appointments, events and to do lists could be shared among multiple staff. An Exchange server was out of budget, so I settled for Sunbird. With Sunbird, it can be set up so that a remote calendar can be used. An .ics file was set up for this purpose on the web server, however it was made available under the FTP root rather than the web server root for security reasons.

The calendar is then accessed via a standard FTP URL such as:

ftp://username:password@ftp.mydomain.org.au/path/to.ics

Website

The website has been created using WordPress, with a number of plugins. Chief among them are cForms, for building user editable contact forms and the eShop plugin for online commerce. I had originally planned to use the WP e-Commerce plugin for the Online Shop component, however this plugin seems to be full of bugs and I had no end of trouble installing it.

One very useful plugin that deserves a mention is pageMash - used for ordering pages within WordPress. I’m surprised that this functionality hasn’t been made better yet – as the developers state, it’s still a little ‘janky’. Hopefully this will get a look in for the 2.8 release of WordPress.

One of the very nifty things I learned about WordPress during this exercise is that there is an .ics calendar available of upcoming releases – very handy (and very quickly put into Sunbird!)

Of course, the website validates as XHMTL transitional and CSS 3 valid (a very big thanks to Jason King for picking up that the theme version 1.0 wasn’t compliant).

Google tools

The web presence also makes use of a number of freely-available tools by Google, including;

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