Category Archives: Linux

Fixing linking errors caused by MacPorts’ incompatible binaries

I was recently compiling SFML, to see whether it would be a viable replacement for SDL in Plinth, when I came across the following error: ld: warning: in /opt/local/lib/libfreetype.dylib, file was built for unsupported file format which is not the architecture being linked (i386) What this means is that I needed libfreetype, but the version […]

Also posted in Plinth, Projects | Tagged |

Creating Amazon AMI images for ROS

Simulating large numbers of robots can be a pain. I’ve decided to experiment with building Amazon Machine Instances of ROS to enable me, and anyone else, to quickly launch any number of pre-installed ROS machines and simulate running robots. I’m not sure if this will work, so bear with me…

Posted in Linux |

Installing Ubuntu 9.10 on the BeagleBoard

Beagle Board

Since there don’t appear to be any clear step-by-step instructions for doing this, I figured I would make a nice instructional post for people that don’t spend their whole day hacking embedded hardware. This assumes you have basic linux knowledge and a BeagleBoard you don’t mind completely gutting out to put on Ubuntu.

Also posted in Hardware Hacking |

Removing packages + dependencies from Synaptic in Ubuntu

So, a complaint that has come up a number of times over the years is the fact that you can open up Synaptic package manager, browse through the history, find a package you installed and all of the dependencies that came with it, and… nothing. Well that’s annoying, what can we do about it?

Posted in Linux | Tagged |