Dgh, The Debian/Ubuntu Downgrade Helper

Ever had the bright idea of upgrading, say, your Ubuntu machine to use some snazzy new software from a PPA, only to have it blow up in your face? The grim realization that there’s no easy downgrade path, instead you’ll have to find every single package the PPA upgraded and downgrade them by hand to keep software from breaking? Me too!

Qt Quick 2 QML Scene Graph GLSL fragment shader tutorial

I had been hearing a lot about Scene Graph and Qt Quick 2 making it possible to implement whatever effects one wanted, to really make apps gorgeous, and still stay in the la-la-land of QML UI coding. What I hadn’t had was a chance to try it out myself, until recently that is. It’s been the most fun I remember having in a while, coding-wise.

Migrating a live Ubuntu install onto LVM2

My only home computer is, and has been for a while, a Nokia Booklet. It’s a nice ultra-portable fanless laptop that gets about 6-7 hours of use per charge, and is in my opinion one of the most stylish products ever shipped by Nokia.

Where to find packages for my software

If for some inexplicable reason anybody would like to check out any of my software in Ubuntu, just add my PPA: $ sudo add-apt-repository ppa:ilkka/myppa There’s not much there but I’ll try to push releases there on a regular basis, to get a hang of the workflow if for nothing else. There’s also a snapshot ppa with, yes, snapshot versions, at ppa:ilkka/snapshot.