Questions tagged [ros-melodic]

Melodic Morenia is a distribution of Robot Operating System (ROS). Use this tag when your question relates specifically to Melodic Morenia. Always use this tag alongside the [ros] tag.

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How to record all topics in a rosbag using rosbag API (rosbag::Recorder)

I am trying to create a recorder logging all topics into a rosbag using ROSBAG C++ API The record should be eventually enabled/stopped by some external topic. The examples show how to log specific ...
0 votes
1 answer
135 views

rosrun doesn't appear to do anything

I'm new to ROS and I'm following the next tutorial (Don't worry there is time stamps bellow to see the full code in the video). https://www.youtube.com/watch?v=yqYvMEYJoTk&list=PLAjUtIp46jDcQb-...
0 votes
1 answer
134 views

How to fix 'no module named actionlib_tutorials.msg error when going through the actionlib ros tutorials

I'm going through the actionlib tutorials and I'm getting this error with the example python script: ...
3 votes
2 answers
10k views

roslaunch not found

Running ROS melodic on Ubuntu 18.04 and I keep getting this error. ...