Questions tagged [machines]

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Tf timeout with multiple machines

Hi! I try to get the navigation stack running on my robot. I've got ROS running on the robot and on an PC used for visualization in Rviz and, if possible, for calculation like gmapping. Nodes i need: ...
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Error while connecting two ROS machine to the same MASTER (one is Raspbian jessie, one is Linux in VBox)

HI everyone, I have been trying to learn how to connect two ROS machines to the same master. I am using Linux in Virtual machine (VBox) , and raspbian jessie, and i want the master to run on the linux....
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Couldn't find an AF_INET address for [hostname]

when Running ROS across multiple machines ,it can share master for two machines,but when run a node ,it appear something like Couldn't find an AF_INET address for [hostname],I don't know why. when I ...
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Echoing custom messages over SSH error

I have a node running on an embedded platform publishing a custom message (just a float32[]). I have a ros master running on a different machine, and both ...
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launch file for another machine

I am trying to do a single master. My ssh password-less is working just by typing as follow: ssh [email protected] IP of A is 10.42.0.2 master is A IP of B is 10.42.0.3 ...
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How connect two distinct hardware(robots/sensors)

Hello all, I am really new to ROS.The work that I have been done so far has been in a single Rapiro robot.I want to make a connection between two robots (two rapiros)but I am vague on how the messages ...
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How to run a different roscore in different robots?

Hi, I have two robots and I want to run a roscore for each one of the robots. But, I also need to exchange pose information between the robots. Therefore, there are topics from robot 1 that I need to ...
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rosbag play on two machines

Hi, I have recorded simultaneously multiple cameras sequences on two machines with rosbag. I now would like to replay this sequence simulataneously on the two machines (to avoid transfer images on the ...
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A is not in your SSH known_hosts file

Hi, I'm getting this error when trying to launch node on different computer. A is not in your SSH known_hosts file The problem is that the A is in SSH known_hosts. ...
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rospy logging not printing across computers

The Setup: Two computers, both running various nodes. Computer A is the master where the launch file is run from that launched all the nodes being used. Computer B is a slave running several nodes as ...
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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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