fixed installation.md

pps_wiki/installation.md

@@ -29,12 +29,19 @@ Add a new line in the ``/etc/hosts`` file that links the teacher's IP with the d
 - USB Crazyradio: <br />
 To set up the crazyradio USB dongle just copy the rule files ``99-crazyflie.rules`` and ``99-crazyradio.rules`` to the directory ``/etc/udev/rules.d``.
 You also have to install the library pyusb:
+
 ```
 sudo apt-get update
+```
+
+```
 sudo apt-get install python-pip
-sudo pip install pyusb
+```
 
 ```
+sudo pip install pyusb
+```
+
 - Source scripts in ``.bashrc``: <br />
 You need to source the following scripts in the ``.bashrc`` file:
   - the ROS setup script: ``/opt/ros/kinetic/setup.bash``

pps_wiki/setup.md

@@ -64,7 +64,7 @@ Then go to the _IPv4 Settings_ and choose **Manual** as the _Method_ and then ad
 
 <br>
 ### Vicon, teacher and students
-During installation process is the IP address of the teacher set to 10.42.0.32. (This value is written to the /etc/hosts file such that this IP address is accessible through the keyword _teacher_) <br>
+During installation process is the IP address of the teacher set to 10.42.0.10. (This value is written to the /etc/hosts file such that this IP address is accessible through the keyword _teacher_) <br>
 Have a look at `Config.sh` in `~/pps_ws/src/d_fall_pps/launch/`
 <br><img src="./pics/setup_pics/configsh1.png" style="width: 500px;"/> <br>
 Here you see, that the ROS Master URI is set to be the teacher. This means that _roscore_ runs only on the teacher's computer. Your own IP address (_ROS IP_) is also set and taken from your Ethernet settings as defined in the section _Setting up the Vicon network_.