getting permissions

asked 2011-11-22 13:00:07 -0500

MovieMaker
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updated 2014-01-28 17:10:50 -0500

ngrennan
1 ●1 ●1

I installed ROS on both the Robot (netbook) and the desktop computers after installing UBUNTU.

I am running a roomba, but not a 5XX or a create. I just need to CHANGE the port settings.

I tried to change a file by gedit turtlebot_node.py which was supposed to have the tty,usb0 inside. Once I changed it, it would not let me save it because I did not have permissions.

I have read the manuals and tried every which way to change it. Once I can see the port on the roomba and the kinect, then I can start doing the turtlebot, etc.

Any ideas welcome.

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answered 2011-11-23 11:14:19 -0500

tfoote

58457 ●128 ●550 ●526 http://www.ros.org/

updated 2011-11-23 11:15:26 -0500

There is a parameter to set the port for the node. This is a much better solution than editing the code installed on your system. The parameter is ~port. See the turtlebot_node wiki page

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answered 2011-11-23 00:41:57 -0500

DimitriProsser

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If all you have to do is edit the turtlebot_node.py file, could you just access it as an administrator with the sudo command?

sudo gedit turtlebot_node.py

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This is the fix for your stated question. However it is not recommended to modify things installed onto your system. Instead you should consider using a source checkout.

tfoote ( 2011-11-23 11:12:34 -0500 )edit

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