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Hello everybody!

I have Ubuntu 16.06 Xenial and ROS Kinetic installed. I want to launch gazebo turtlebot simulation with a command:

roslaunch turtlebot_gazebo turtlebot_world.launch

At first, I installed turtlebot using:

sudo apt-get install ros-kinetic-turtlebot ros-kinetic-turtlebot-apps ros-kinetic-turtlebot-interactions ros-kinetic-turtlebot-simulator ros-kinetic-kobuki-ftdi ros-kinetic-rocon-remocon ros-kinetic-rocon-qt-library ros-kinetic-ar-track-alvar-msgs

Then launching gazebo turtlebot simulation I got a typical error:

[turtlebot_world.launch] is neither a launch file in package [turtlebot_gazebo] nor is [turtlebot_gazebo] a launch file name
The traceback for the exception was written to the log file

After that I installed without deleting the previous turtlebot software:

sudo apt-get install ros-kinetic-turtlebot-gazebo

Everything was fine and then I tried again and got:

..

. logging to /home/aleks/.ros/log/98e51c20-20bd-11e8-91d8-ccb0dacbc15b/roslaunch-aleks-Aspire-E5-575G-15388.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

Invalid <arg> tag: environment variable 'TURTLEBOT_GAZEBO_WORLD_FILE' is not set
.
Arg xml is <arg default="$(env TURTLEBOT_GAZEBO_WORLD_FILE)" name="world_file"/>
The traceback for the exception was written to the log file

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I thought it is about opencv3 package, which I had already. But simple install of vision_opencv package helped.

Yes this is answer. I will. Thank you for remarks!

UPD. Found the answer for my question: cd ~/catkin_ws/src git clone https://github.com/ros-perception/vision_opencv cd

cd ~/catkin_ws/src git clone https://github.com/ros-perception/vision_opencv cd ~/catkin_ws catkin_make source devel/set

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Issue during 'roslaunch turtlebot_gazebo turtlebot_world.launch' Hello everybody! I have Ubuntu 16.06 Xenial and ROS Ki

Issue during 'roslaunch turtlebot_gazebo turtlebot_world.launch' Hello everybody! I have Ubuntu 16.06 Xenial and ROS Ki

Thanks everybody!

Thanks a lot! The issue seemed to be simple to answer, but so complicated to find answer ^^

Hello everyone!

What I see:

What I want to see:

I'm new to ROS and Linux and I'm really confused by this issue.

Post edited.

No "File Panels Help" panel. Hello everyone! What I see: What I want to see: I'm new to ROS and Linux and I'm rea

No "File Panels Help" panel. Hello everyone! I'm new to ROS and Linux and I'm really confused by this issue.

No "File Panels Help" panel. Hello everyone! I'm new to ROS and linux and I'm really confused by this issue.

No "File Panels Help" panel. Hello everyone! What I see What I want to see I'm new to ROS and linux and I'm really con