问题1: 问题描述: 文字复制: …… Unable to contact my own server at [http://zhumeiqiang-B85M-D3V-A:34138/]. This usually means that the network is not configured properly. A common cause is that the ma
1. run your roscore: $ roscore 2. run turtlesim in a new terminal: $ rosrun turtlesim turtlesim_node 3. run turtle keyboard teleoperation in a new terminal: $ rosrun turtlesim turtl