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Questions tagged [multiplemachines]

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Connect two networks with one roscore

I have two computers on the robot which are directly connected via ethernet. Let's call them "R1" and "R2". The roscore is running on R1, some of the nodes are on R1, some are on ...
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roslaunch SSH known_host errors - cannot launch remote nodes

I am starting to use roslaunch across two systems (badmonkey and raspberrypi) running Indigo. I cannot seem to launch remote nodes and it appears to have something to do with SSH. I could use some ...
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Can Groovy machine connect to Indigo master?

I try to communicate two different machines using ROS, but they have different ROS version. Is there any compatibility issue? I have a robot installed with Ubuntu 12.04 and ROS Groovy, and a laptop ...
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How does ros execute my nodes on a remote machine?

When specifying the machine-tag for a ros-node in a launch-file one is principally able to run a ros-node on any reachable machine in the network that is configured for ros. Do I get this right? If ...
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SSH error when launching nodes on another machine

We added this line to our launch file in order to run a node on another machine: ...
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Roslaunch across multiple machines failing when calling nodes

I currently have a two machine robotic set-up one that is operating internally on the robot itself and an "external" machine which is used for heavier computations and graphical processing. ...
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Getting "maps" to a remote location with hector_mapping

We are working on generating maps to a remote command center. Our first premise was to have ROS running on multiple machines, with the sensors running on the robot and connecting to a roscore running ...
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vmware subscriber multiplemachines problem

Hello, I try to connect my Ubuntu system [a] to a virtual Ubuntu machine (VMware)[b] by network. It seems to work. I can ping and ssh from one to the other machine. Furthermore when I start a roscore ...
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Non-synchronized nodes in different machines. What to do?

I have two different machines connected by wifi sharing a ROS_MASTER. One of them is the erratic robot which is sending odom messages continuously. The point is that those messages are being received ...
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interactive markers and point cloud catch 22 in rviz

I seem to have a catch 22 situation using interactive markers and point clouds in rviz. What i am trying to do is manually align multiple planar laser scans with interactive markers. (I know that ...
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Multiple TurtleBots in gazebo

Hi all, I want to spawn two TurtleBots in Gazebo. And also I wish to control each of the robots independently. Is there a way to do it ? Thanks! Originally posted by prasanna.kumar on ROS Answers ...
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Running ROS across multiple machines

I am attempting to run ROS across multiple machines. To test if everything is working, I'm trying to run a publisher on one machine, and subscribe to the published messages on the other machine. My ...
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Werid Multiple Machines Problem -

Hi, I'm not sure of this is simply a compatibility issue or something else. On one machine I have fuerte an the other electric. Both the simple talker and listener tut's work fine with run on each ...
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Running rgbdslam over multiple machines

Hi, I am trying to run rgbdslam over a distributed ROS system, running the openni nodes on a laptop aboard an iRobot Create with a kinect and running rgbdslam on a desktop computer. When I run rosrun ...
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Communication error between two nodes on two distributed machines

Hello everyone, I estabilshed a network enviromnent between two machines. The first machine is a local host and the second machine is a Virtual Machine (VM). I've tested the network configuration and ...
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video stream between multiple maschines

Hi There, I'm working on a UAV which is equipped with a webcam. The webcam is running with the usb_cam package and it is working fine on the UAV Machine. Now I'm trying to send the image-data via ...
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Help with foreign_relay subscription

Hey, I'm having difficulties using foreign_relay. I find that I can use it in advertise mode, to push a topic from my local master to the remote master, ie: ...
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ROS time across machines

When there are several machines involved, how are timestamps created? It looks like to me that they're being generated by each machine's individual time, so if one machine is out of sync with another ...
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how to run ROS across multiple machines with different networks?

Hi, all, Would I know how to run ROS across multiple machines with different networks? I failed to ping them like this: PING 192.168.1.103 (192.168.1.103) 56(84) bytes of data. From 10.217.252.54 ...
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