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There will only be a single ROS master between the 2 machines, which by the given instructions should be on the turtlebot laptop. You should change your ~/.bashrc file on the laptop from:

export $ROS_MATER_URI=http://192.168.1.100:11311

to:

export $ROS_MATER_URI=http://192.168.1.101:11311

This assumes that your laptop has the IP 192.168.1.101 and your workstation has the IP 192.168.1.100

There will only be a single ROS master between the 2 machines, which by the given instructions should be on the turtlebot laptop. You should change your ~/.bashrc file on the laptop from:

export $ROS_MATER_URI=http://192.168.1.100:11311
ROS_MATER_URI=http://192.168.1.100:11311

to:

export $ROS_MATER_URI=http://192.168.1.101:11311
ROS_MATER_URI=http://192.168.1.101:11311

This assumes that your laptop has the IP 192.168.1.101 and your workstation has the IP 192.168.1.100

There will only be a single ROS master between the 2 machines, which by the given instructions should be on the turtlebot laptop. You should change your ~/.bashrc file on the laptop from:

export ROS_MATER_URI=http://192.168.1.100:11311
ROS_MASTER_URI=http://192.168.1.100:11311

to:

export ROS_MATER_URI=http://192.168.1.101:11311
ROS_MASTER_URI=http://192.168.1.101:11311

This assumes that your laptop has the IP 192.168.1.101 and your workstation has the IP 192.168.1.100