Hi <br><br>I get some odd messages when I use roscore, how can I rectify them ? though, rosnode list and turtlesim works just fine ! <br><br>Please help ! This is what I get ! .....<br><br><br>acer@acer:~$ roscore<br>... logging to /home/acer/.ros/log/85cd288c-93ce-11df-8359-001b777e0253/roslaunch-acer-3735.log<br>

<br>started roslaunch server <a href="http://acer:41521/">http://acer:41521/</a><br><br>SUMMARY<br>========<br><br>NODES<br><br>WARNING: IP address 127.0.1.1 for local hostname &#39;acer&#39; does not appear to match<br>
any local IP address (127.0.0.1,172.16.63.119,172.16.246.1,192.168.183.1). Your ROS nodes may fail to communicate.<br>
<br>Please use ROS_IP to set the correct IP address to use.<br>starting new master (master configured for auto start)<br>process[master]: started with pid [3748]<br>ROS_MASTER_URI=<a href="http://acer:11311/">http://acer:11311/</a><br>

<br>setting /run_id to 85cd288c-93ce-11df-8359-001b777e0253<br>process[rosout-1]: started with pid [3759]<br><br><br>