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sorry you're right!I have ubuntu 11.10 and ROS electric 1.6.8.Anyway if found that roslaunch freezes my terminal because of this command: <node pkg="teleop_base" name="teleoper" type="teleop_base_keyboard"> <remap from="base_controller/command" to="cmd_vel"/> </node> also if I eliminate the remapping it freezes.

sorry you're right!I have ubuntu 11.10 and ROS electric 1.6.8.Anyway if found that roslaunch freezes my terminal because of this command: command:
<node pkg="teleop_base" name="teleoper" type="teleop_base_keyboard"> <remap from="base_controller/command" to="cmd_vel"/> </node> also if I eliminate the remapping it freezes.

sorry you're right!I have ubuntu 11.10 and ROS electric 1.6.8.Anyway if found that roslaunch freezes my terminal because of this command:
<node pkg="teleop_base" name="teleoper" type="teleop_base_keyboard"> <remap from="base_controller/command" to="cmd_vel"/> </node> to="cmd_vel"/>
</node>
also if I eliminate the remapping it freezes.