Review of Ontario Linux Fest 2009

Two weekends ago I went to Ontario Linux Fest 2009, held here in chilly Toronto for the third year in a row. And for such a young conference, it was quite good.  In fact good enough, that longer review of the event is in order:

Morning Keynote – Changes to the GPL

The day started with me rushing out the door in the morning, to catch a morning bus.  I made a bit later, missing the first part of Bradley Kuhn‘s keynote.   I rushed in, grabbed my conference package, put on my name-tag and rushed to hear the second part of the keynote.  Brad discussed the changes between versions 2 and 3 of the GPL (GNU General Public License).  As someone who followed the licenses and uses the GPL in my current project (justCheckers), it was pretty interesting to hear about why behind the changes.  The original GPL2 was quite brief for a software license, but not quite as understandable as the GPL 3.  The GPL 3 helped simplify the license, made it international and got rid of some icky loopholes.  After the keynote, I did a quick swag run even buying a fleece from the Eclipse guys from Redhat.  (And no Nick, I wasn’t there just for the swag I just haven’t gotten around to contributing to Eclipse just yet.)  I then quickly popped quickly back in for the first track of sessions.

Session 1 – Enterprise Content Management (ECM)

Cheryl McKinnon from Nuxeo did a talk on ECM.  I can definitely relate to having to hunt down information in the mess of Office documents and e-mails at the office.  I can just imagine what happens at larger organizations that have less rigorous guidelines to handling documentation.  So I definitely see the need software that handles such data, especially in terms of productivity and maintaining documents for regulatory purposes.  I can’t understand why every organization doesn’t have at least a wiki.  Interesting note that the concepts I learned in a university course on information science, really applies here.  Managing the capture, collaboration, review, publish, archiving and search-ability of information is really a science on to itself.  No wonder open source vendors like Nuxeo, Alfresco and MindTouch that provide ECM solutions in a flexible and low-cost way are such a big hit for enterprises.  There also was a neat discussion on how Nuxeo can do both centralization (bring documents into itself) and management of meta-data (like the locations and “tags” related to scattered documentation).  Really neat.

Session 2 – Ubuntu Moblin & Netbook Remixes

Jorge Castro from Canonical of Ubuntu community fame presented the Ubuntu Moblin and Netbook Remixes.  As with any live demo, the demo technology co-operated with Jorge like any demoed technology or self-conscious prima donna.  Still the Ubuntu Moblin Remix looks gorgeous.  It sports a nice, simple, elegant and understandable user interface.  However this remix qualifies as a tech preview more than something to hit the mass consumer.  Still I think people will be impressed when they change over from Windows to something like Moblin.  It looks a far bit of effort was put into making refactoring the UIs to fit a smaller, wider screen.  The Netbook Remix looks great too, and if you are reading this and running Ubuntu 9.10… switch over to the Netbook UI, you’ll love it even on your main system.

Lunch Chat 1 – Free Software and Its Impact on the Future of the Software Industry

I skipped out on the last session of the morning to pester Brad Kuhn with a few questions.  It started with an innocent question about his opinion about certain companies planning on moving from the GPL to the Apache licenses.  Brad figured out that I had read one of Matt Asay’s blogs on the topic, and went on a mini-rant.  Apparently Matt is one of Brad’s “nemesis” (not that they don’t get along rather their views on software freedom are quite different).  Brad envisions a future where software stops being a “big box” industry of packaged software products to more of a lawyery/consultancy profession.  I have to agree with him on that, and I don’t mind such a future being a consultant by trade.  However I did point out the difficulty one runs into with consumer-level products or projects.  Basically how does one sufficiently fund a project like Inkscape?  One way would be to sell a proprietary product, which defeats the purpose of going open source.  Another way would be to offer a service.  The heart of the problem is how to finance a regular development and enhancements (like usability) on a regular basis… and still get someone to pay for it willingly.  It isn’t an easy problem to solve… A problem that I plan on working on in my semi-stealth project… But Brad tried to convince it wasn’t as big of a deal as I think it is.

Lunch Chat 2 – Decoupling User Interfaces from the Application Backends

Feeling now famished for lack of a breakfast, I went out with Scott from the GTALug for pizza.  Scott is into user interface design both on a hardware and software level.  We both agreed that user interfaces should be loosely coupled to their backends.  In enterprise web application design the concept of different views for different users and environments comes to mind.  Scott introduced me to the concept of a framework that allows for completely decoupling the user interface with the underlying application, called Metisse.  It allows for building UIs at runtime using a widget palette or toolkit… brilliant!  That would let developers concentrate on what they are good at: application development and design.  And HCI/usability/graphics designer concentrate on what they are good at: design kick-ass usable user interfaces.

Session 3 – Building Business Applications Using SugarCRM

Right after lunch, I went to a more practical session by John Mertic, a developer at SugarCRM.  The session was naturally about developing applications using SugarCRM.  It looks a very nice application, and CRMs apparently can solve a lot of problems centred around customers.  Even just using SugarCRM to manage a client’s organizational contacts would save a lot of my time at work.  However since I work in Java and not PHP, thats not really an option.  But it looks like a neat application, the latest version SugarCRM 5 being all built in PHP and using the YUI (used to use ExtJS).  There is a vibrant community forge and marketplace around the application.  Neat.  Also neat that John just published an Apress book called: The Definitive Guide to SugarCRM.  See a pattern, yet? 😉

Session 4 – World Domination, Documentation and Ponies

OK, I admit it as a writer masquerading as a software developer,  (Or is it the other way around?) I actually enjoy writing documentation.  Some would even say, I enjoy writing documentation too much.  So I jumped at the opportunity of hear Emma Jane Hogbin talk about world domination through good documentation.  Actually I was disappointed by the lack of talk on world domination.  But there was much talk of ponies… oh and documentation.  I swear I’ve never heard anyone comparing documentation to wearing high heels.  I guess the analogy of it being sexy and painful makes sense.  But then again I’ve never (or do I ever plan to) worn high heels, so I’ll trust the ladies on this one.  Still it was an awesome and enlightening talk.  I’ve never consider all the various audiences (devs, users, marketing) and types of documentation.  I must agree with Emma’s statement, that if you are doing a lot of work documenting how to use your program… maybe reconsidering how the UI is done is in order.  The concept of automating documentation and using an XML source is new to me.  But I will have to look into technologies like pywebdoc, Mallard and DocBook.  Emma went through the Capture, Organize, Translate, Output, Review and Revise cycle, using the Status.net documentation efforts.  (Emma’s project on writing open source documentation.)

Session 5 – The Look at Introducing FLOSS into Education

Karlie Robinson of On-Disk did a talk about her experiences with connecting the OLPC, Fedora and RIT together.

Afternoon Keynote – How Linux is Like Music

The conference wrapped up with Joe ‘Zonker’ Brockmeier‘s afternoon keynote.  Zonker is an incredible speaker, and he also threw plush penguins at the crowd which instantly made the keynote awesome.  Alas I didn’t have any thing worthy to add to the conversation so I didn’t get another plush penguin. 🙁  But I’m getting ahead of myself…  Zonker talked about how we should move away from the tired analogy of choosing operating systems like cars.  Rather he suggested how choice of OSes and Linuxes should be compared to bands and musicians:

  • Fedora -> Frank Zappa
  • SuSE -> The Who
  • Ubuntu -> Duran Duran (Hurrah, I mean huh?!?)
  • Gentoo -> Write your own sungs in your own built studio (Damn right!  Sorry, ecstatic ex-Gentooer here.)

A bit zany, but with a nickname of Zonker… 😛 Ok, I’ll stop teasing.  But he did go into the problem of widespread Linux adoption: better self-marketing, pre-installed PCs (we are getting there slowly), market shift to the cloud and mobile (at least we have that one covered to a degree) and  the in-fighting that the F/OSS community seem to love (welcome to the new face of anarchy and things to come?).

The Pre-After Party

At this point most of the participants went out to either go home or wait out the time for the reception.  Having come alone, I felt like I’d love to mingle at the afterparty but I needed to do something while I waited.  Fortunately, the KDE 4 guys (Troy Unrau, Shawn Starr and Eugene Trounev) were quite welcoming and let me tag along with them.  Troy was pulled into the speaker’s dinner so I didn’t get to talk to him much.  But Shawn, Eugene and I chatted for a bit, grabbed a quick bite to eat at Burger King and came back to chill at the venue.  Shawn works on developing plasma, while Eugene makes graphics for KDE Games.  Actually if you count myself and Troy in, we each represent a different aspect of the KDE  project: Shawn – developers, Eugene – artists, Troy – marketing and myself – the humble user/wannabe contributer.

When Eugene found out about my semi-stealth project, he suggested I should join the KDE Games and look into the Gluon project.  I’m planning on getting involved, once I’ve hacked around with Qt, something I started on recently.

The After Party

The conference wrapped up with a reception sponsored by Google.  Actually I got a good amount of useful swag from Google, and the free booze was much appreciated.  At the reception I got to mingle with the presenters, organizers and participants of the conference.  I got to discuss the finer points of revision control systems (CVS, Subversion and Bazaar) with a Bazaar/Launchpad developer, Aaron Bentley from Canonical.  Also got to watch Brad Kuhn and Jorge Castro get into a heated but amicable debate about Mono, software patents and why Canonical should stop releasing and supporting proprietary software.  And I got to chill and talk about Apache Qpid (a reliable message queueing system, think something like IBM’s MQ) with Redhat’s Rajith Attapattu.

I left the reception really, really late.  And I got home around 2 in the morning, which just goes to show how awesome of a conference OLF2009 was.  After the conference I felt a lot smarter, enlightened and inspired to contribute back to the Linux and libre software community.  I’m almost sure I’ll be at OLF2010 whenever that comes around.

Links to what others had to say about OLF2009:

  • Troy Unrau [http://troy-at-kde.livejournal.com/23041.html]
  • Eugene Trounev [http://my.opera.com/it-s/blog/show.dml/4455292]

Task Oriented Architecture

As neotechnophiliac (a.k.a. person crazy enough to run alpha releases of software), I love to experiment with different technology. And these tests are often for the pursuit of pointless knowledge and killing time. Technology and engineering are a lifestyle for me.

Most people don’t see technology that way. Technology comes in two flavours: toys and tools. Developing a tool is a challenge of engineering. However users don’t care about tools. (How many people care about carpentry tools?) Users want tasks done. The challenge of usability design is to create task-oriented user interfaces.

Simplicity is important in UIs. The Palm OS (IMHO) designers created one of the best UIs out there. Practically everyone (except Microsoft) in the smartphone, handheld and ultraportable market copied their design. The Zen of Palm, as a primary “pamphlet” for Palm programmers, emphasizes the importance of using a simple UI for getting a particular task done. Compare that with the desktop world, with applications looking like something out of configuration and accessibility hell. The cockpit of a jetliner often looks less daunting than a desktop office suite.

Efficient and reusable workflow helps users greatly getting their work done. A UI that lets you perform a task with 3 interactions works better than one with 5. Burning a CD under Nero, requires you either to click-through 8 screens on a wizard or navigate a massively clustered UI. Under K3B it takes a drap and drop, clicking the “Burn” button, throwing in a CD and you’re done. Neither you have to crawl through a wizard ever time. Nor do you have to deal with a clustered, non-trivial UI.

Remarkably, the most usable UI I’ve worked with, originated in the software libre world. Thats because the end-users of the programs, built those programs. Also open source, allows people to “fork” software. Forking let you take a software libre application that doesn’t meet your requirements, and built something that does from the same code base. In such an environment, software components such as UIs evolve much faster than in the proprietary world.

With my own life, I prefer using open source applications because they give me more freedom, and hence work better for me. Its amazing how much simpler, streamlined and usable most free software is. And it only gets better. I like my KDE 3 applications, but the KDE 4 applications once stablized will work even better for me. Thats because usability designers such as Celeste Lyn Paul work with the KDE developers on making better task-oriented UIs. A big thank you to all the KDE 4 developers, designers and contributers.

Hanging in the Balance

What a day… rainy, and very trying with most of the family sick… sigh…

Tomorrow is my first exam of this semester. Looks fairly straightforward, multiple choice + 2 scenarios, all for a UI Design course. Funny how the course itself seems to be a mixture of common sense and corporate marketing lingo… (Translation: bs). I have not really studied for it, but then again it is open book. 😉

Talking about corporate lingo, watched the third part of The Corporation. Very insightful film, and even thought some of the commentators were left-leaning, they do have some good points. Some aspects are downright frightful, and in a curious manner, interesting tidbits of history most people don’t even know about. Unfortunately, they didn’t come up with ideas that are radically are different then what I know already. Consumer pressure (the companies have to follow what the market wants anyways), governmental supervision (yeah right), and rebellion (last ditch desperation); all of these I knew about. I was hoping for something more insightful, subtle and cunning.

Finally, as for my hacking projects… I tried writing an SDL/pthreads program. Now the SDL part came out no problem, but the pthreads took over my system. Mind you 5 treads, that update the position of an object (used bounding rectangles that I moved and they blitted onto the screen); shouldn’t take over that much CPU. I think it has something to do with the redrawing of the screen. Also moving a particular object proved to be impossible by my implementation. In the end, I got a lesson in SDL… and now I have to find a simple application for threads. Yes, I know about SDL Threading… but I needed to practice pthreads specifically. Was going to post it online… but the whole code is a bit messy, and needs reorganization, and fine tuning.

Oh well, tomorrow is a busy day, exams and all. Wish me luck. 😉