From 61b1f217e007f64204ec6a59970815fde0fbb7a8 Mon Sep 17 00:00:00 2001
From: Cyrill Burgener <bucyril@student.ethz.ch>
Date: Tue, 6 Jun 2017 14:42:40 +0200
Subject: [PATCH] this is a commit message

---
 pps install/pps_install.sh | 3 ++-
 pps_wiki/installation.md   | 7 +++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/pps install/pps_install.sh b/pps install/pps_install.sh
index a2732b74..233bd387 100755
--- a/pps install/pps_install.sh	
+++ b/pps install/pps_install.sh	
@@ -15,7 +15,8 @@ sudo apt-key adv --keyserver hkp://ha.pool.sks-keyservers.net:80 --recv-key 421C
 #system update and installation
 sudo apt-get update
 sudo apt-get -y upgrade
-sudo apt-get -y install ros-kinetic-desktop-full
+sudo apt-get -y install ros-kinetic-desktop-full python-pip
+sudo pip install pyusb
 
 #rosdep
 sudo rosdep init
diff --git a/pps_wiki/installation.md b/pps_wiki/installation.md
index 8e467070..b5f57f71 100644
--- a/pps_wiki/installation.md
+++ b/pps_wiki/installation.md
@@ -40,12 +40,15 @@ If you are not sure at any point you can check out the install script.
 
 ## Additional Steps for Teacher
 
-### Removing Config.sh
+### Removing Config.sh and replacing
 As the teacher must not source the script ``config.sh``, the ``.bashrc`` must be edited and the last line
 ```
 source ~/pps_ws/src/d_fall_pps/launch/Config.sh
 ```
-must be removed.
+must be replaced with
+```
+export ROS_HOSTNAME=teacher
+```
 
 ### Installation of cfclient
 The steps to install the crazyflie client are taken from [here](https://github.com/bitcraze/crazyflie-clients-python). To install the cfclient you need to install its dependencies:
-- 
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