[ros-users] problem using ros_tutorials

Michael Styer michael at styer.net
Fri May 14 20:06:21 UTC 2010


I'm new to ROS and trying to work through the installation and 
tutorials, but I'm having a little trouble and I'd love it if someone 
might be able to help. I'm running 64-bit Fedora 12.

Following directions on http://www.ros.org/wiki/ROS/Installation/Fedora, 
I've installed ROS in /opt/ros, and the ROS tutorials in 
/opt/ros-tutorials. When I try Step 1.2 in the "Creating a ROS package" 
tutorial, though, it tells me there is no such package "ros_tutorials".

Below is a sequence of commands showing more detail. I noticed that the 
file "/opt/ros-tutorials/setup.sh" is empty, whereas "/opt/ros/setup.sh" 
has the contents you see below. Is that correct? Or should that setup 
file have more environment setup contents?

Thanks for any advice; if there's any other information that would be 
helpful, let me know.


12:57:13 [michael at tablet ~]$ roscd ros_tutorials
roscd: No such package 'ros_tutorials'
12:57:37 [michael at tablet ~]$ echo $ROS_ROOT
12:57:44 [michael at tablet ~]$ ls /opt/ros*
ros  setup.sh  stacks  this.rosinstall

ros_pkg_tutorials  ros_tutorials  setup.sh  this.rosinstall
12:57:52 [michael at tablet ~]$ cat /opt/ros-tutorials/setup.sh
12:58:15 [michael at tablet ~]$ cat /opt/ros/setup.sh
export ROS_ROOT=/opt/ros/ros
export PATH=$ROS_ROOT/bin:$PATH
export PYTHONPATH=$ROS_ROOT/core/roslib/src:$PYTHONPATH
if [ ! "$ROS_MASTER_URI" ] ; then export 
ROS_MASTER_URI=http://localhost:11311 ; fi
export ROS_PACKAGE_PATH=/opt/ros/stacks
source $ROS_ROOT/tools/rosbash/rosbash
13:02:13 [michael at tablet ~]$

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