Monday, June 1, 2020

Configure an Ubuntu VirtualBox guest instance for ssh access from the host OS

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I use VirtualBox to run guest OS such as Ubuntu 18.04 virtual machines for trying out stuff and experiments to prevent messing up my host o...
Monday, May 4, 2020

Gazebo: make an animated box using a separate model file(s)

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The Gazebo tutorial at http://gazebosim.org/tutorials?tut=actor&cat=build_robot shows how to make a box actor rotate around the vertic...
Monday, April 13, 2020

Setup to launch ROS nodes on a remote computer on a network

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ROS nodes can be setup to run on a remote computer from a local computer on the same network. However, there are some setup to be done. Afte...
Monday, March 16, 2020

How to run a shell script from a ROS launch file

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I wanted to execute a bash shell script from the ROS launch file but the ROS Wiki were not very clear. After some trial and error, I figured...
Monday, March 9, 2020

Using Saga GIS' Terrain Analysis Swath Profile (interactive) function

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Saga GIS has a couple of interactive terrain profiling functions, a single profile and a swath profile. This post shows how to use the inter...
Monday, March 2, 2020

git authentication failed after changing password or installing a new version of git for Windows

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After installing a new version of git for Windows or changing the git repository password, the following git error messages may appear when...
Monday, December 9, 2019

Fix error 400 bad request when trying to use create-react-app

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While attempting to create a new ReactJS app with the create-react-app tool, I encountered the following error: " error 400 Bad Reque...