I’m trying to launch the webui demo and I keep getting this error:
husarion@husarion:~$ roslaunch rosbot_webui demo.launch
… logging to /home/husarion/.ros/log/2324de84-8d1e-11e9-8dcc-80c5f2fe61ed/roslaunch-husarion-5866.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.
Unable to contact my own server at [http://10.101.84.77:42963/].
This usually means that the network is not configured properly.
How do I fix my Network setup?
A common cause is that the machine cannot ping itself. Please check
for errors by running:
For more tips, please see
The traceback for the exception was written to the log file
When I ping 10.101.84.77 I am unable to transmit any packages and have 100% packet loss.
I have tried the suggestions in the ROS/NetworkSetup page and nothing seems to work.
I have also tried to ping the rosout node and I get the following error:
ERROR: Unable to communicate with master!