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I'm a beginner. I entered "roscore" in the terminal, but I couln't get response when entering other command. The response I got after I entered "roscore" as follow.

llq@ubuntu:~$ roscore ... logging to /home/llq/.ros/log/eb7e1dc8-e33a-11e0-bfba-f46d04bbb18e/roslaunch-ubuntu-4399.log Checking log directory for disk usage. This may take awhile. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://localhost:48966/ ros_comm version 1.6.2

SUMMARY

PARAMETERS

  • /rosversion
  • /rosdistro

NODES

auto-starting new master process[master]: started with pid [4413] ROS_MASTER_URI=http://localhost:11311/

setting /run_id to eb7e1dc8-e33a-11e0-bfba-f46d04bbb18e process[rosout-1]: started with pid [4426] started core service [/rosout]

If I enter other commands like "rosnode list", it doesn't respond. Where the problem is?


Originally posted by llqazs on ROS Answers with karma: 31 on 2011-09-25

Post score: 2

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1 Answer 1

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roscore blocks your current terminal... You have to use another terminal for your commands.


Originally posted by Chrimo with karma: 390 on 2011-09-25

This answer was ACCEPTED on the original site

Post score: 4


Original comments

Comment by llqazs on 2011-09-26:
Hi! Chrimo, thank you very much. I'm new to the English website, so it took me several days to get used. Actually, I solved the problem a few days ago. But I didn't realise that I haven't submitted the question until this morning, just because I haven't logged in. I'm really please to join here.

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