Hi, first check in "Software and Updates" in the "Other Software" and check if the follow is marked:

http://packages.ros.org/ros/ubuntu bionic main

If you don't have it add this and then in terminal:

sudo apt-get update

And then:

sudo apt-get install ros-melodic-rqt-joint-trajectory-controller

By the tags I assume that you have melodic distribution, but if you don't, just replace melodic with the name of your distribution

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Hi, it's already added but the problem persists. :/

Asked by TFZ on 2022-08-09 17:25:30 UTC

Were you able to resolve this @TFZ? I too, have tried to install the package using apt (mine was noetic so I installed ros-noetic-rqt-joint-trajectory-controller). I am unable to find it too.

Edit: Even though autocompletion didn't find the aforementioned package, manually typing the full run command helped. rosrun rqt_joint_trajectory_controller rqt_joint_trajectory_controller

This probably has something to do with the newly installed package not getting recognized by ros bash completion. Maybe running rospack profile after apt install would help solve this "can't find" problem

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