* execute ifconfig. You should obtain the same IP address that you have on your own machine
* configure your environment (see below) to be able to use the installed roscore environment
* check the configuration by executing the following command:
```plaintext
> ping roscore
```
Given this environment, you can use the robots in the roscore environment already deployed on [different machines and network infrastructures](/Use_turtlebot3_eduroam). In the following, use the IPs of the different machines to configure the environment variables required to run ROS from you virtual machine.
Given this environment, you can use the robots in the roscore environment already deployed on [different machines and network infrastructures](/Use_turtlebot3_eduroam). In the following, use the IPs of the different machines to configure the environment variables required to run ROS from you virtual machine.