How do I shutdown slam_toolbox node?

asked 2022-11-02 08:57:10 -0600

RobotDreams
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updated 2022-11-02 08:59:00 -0600

I launch slam-toolbox (to create a map) from a bash script using the following command:

nohup ros2 launch slam_toolbox online_async_launch.py 'slam_params_file:=./my_mapper_params_online_async.yaml' &

After I run my script to shutdown all my robot's nodes, I am left with the slam-toolbox node still running:

$ ros2 node list
/slam_toolbox
/transform_listener_impl_aaaaf5c6bda0

$ ps -ef | grep slam
ubuntu     10023       1  1 Nov01 pts/0    00:14:32 /opt/ros/humble/lib/slam_toolbox/async_slam_toolbox_node --ros-args -r __node:=slam_toolbox --params-file my_mapper_params_online_async.yaml --params-file /tmp/launch_params_mv_dwh67

How do I shutdown the slam_toolbox node?

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answered 2022-11-02 09:15:38 -0600

RobotDreams
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Figured it out:

killall async_slam_toolbox_node

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answered 2022-11-02 20:23:01 -0600

stevemacenski

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Well really running processes using & to detach is a bad idea for the above reason, you don't have a hook on the process to easily kill later. That's probably not a good way of handling things.

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@stevemakenzie If I remember correctly you are the creator of this phenomenal package. Can you point me to a tutorial that starts and stops it “in a good way?”

RobotDreams ( 2022-11-03 02:08:16 -0600 )edit

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How do I shutdown slam_toolbox node?

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