diff --git a/Tello_Video/info-tracker.txt b/Tello_Video/info-tracker.txt
new file mode 100644
index 0000000..b1f08be
--- /dev/null
+++ b/Tello_Video/info-tracker.txt
@@ -0,0 +1 @@
+- tutorial followed: https://www.youtube.com/watch?v=kcXN7CYgQ0g 
\ No newline at end of file
diff --git a/Tello_Video/install/Linux/linux_install.sh b/Tello_Video/install/Linux/linux_install.sh
old mode 100644
new mode 100755
index 93f62f8..d30f83d
--- a/Tello_Video/install/Linux/linux_install.sh
+++ b/Tello_Video/install/Linux/linux_install.sh
@@ -8,12 +8,12 @@ cd ..
 sudo apt-get update -y
 
 # install python 2.7
-sudo apt-get install python2.7 python-pip -y
-sudo pip install --upgrade pip
+#sudo apt-get install python2.7 python-pip -y
+#sudo pip install --upgrade pip
 
 #switch to python2.7
-sudo update-alternatives --install /usr/bin/python python /usr/bin/python2 150 
-sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 100
+#sudo update-alternatives --install /usr/bin/python python /usr/bin/python2 150 
+#sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 100
 
 sudo apt-get update -y