richard@richardsand.com

Embedded Apache Directory Server with custom schema

Below is the code to create an embedded instance of Apache Directory Server useful for JUnit tests, with custom schema extensions. Note that you cannot use ADS annotations or even the DefaultDirectoryServiceFactory. All objects are hand-created and the aggregate schema copied to a temporary work folder. // Step 1: Extract schema LDIFs to disk (required …

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Installing ROS2 on a Jetson Nano

Using Jetpack 4.4 which runs Ubuntu 18.04. We install ROS2 Foxy. I tried Humble but it requires 20.04 or later. I’m not sure about Galactic. Initial system updates Update CMAKE See https://askubuntu.com/questions/355565/how-do-i-install-the-latest-version-of-cmake-from-the-command-line Install prerequisite packages Install some pip packages needed for testing YAML-CPP Compile yaml-cpp-0.6, which some ROS packages may use (but is not in …

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