diff --git a/scripts/installSoftware.sh b/scripts/installSoftware.sh
index ab48072..dc05e02 100644
--- a/scripts/installSoftware.sh
+++ b/scripts/installSoftware.sh
@@ -8,24 +8,28 @@ echo "--- Current environment:"
 echo "Enabling passwordless sudo"
 echo "${PASSWORD}" | sudo -E -S sh -c 'echo "clever ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers'
 
+echo "--- Increasing apt retries"
+sudo -E sh -c 'echo "APT::Acquire::Retries \"3\";" > /etc/apt/apt.conf.d/80-retries'
+cat /etc/apt/apt.conf.d/80-retries
+
 echo "--- Installing open-vm-tools"
 
-echo "${PASSWORD}" | sudo -E -S sh -c 'apt update; apt install -y open-vm-tools open-vm-tools-desktop'
+sudo -E sh -c 'apt update; apt install -y open-vm-tools open-vm-tools-desktop'
 
 echo "--- Installing ROS desktop packages"
 
-echo "${PASSWORD}" | sudo -E -S sh -c 'echo "deb http://packages.ros.org/ros/ubuntu $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros-latest.list'
-echo "${PASSWORD}" | sudo -E -S sh -c 'apt-key adv --keyserver "hkp://keyserver.ubuntu.com:80" --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654'
-echo "${PASSWORD}" | sudo -E -S sh -c 'apt update; apt install -y python-rosdep python-rosinstall-generator python-wstool build-essential ros-melodic-desktop'
+sudo -E sh -c 'echo "deb http://packages.ros.org/ros/ubuntu $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros-latest.list'
+sudo -E sh -c 'apt-key adv --keyserver "hkp://keyserver.ubuntu.com:80" --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654'
+sudo -E sh -c 'apt update; apt install -y python-rosdep python-rosinstall-generator python-wstool build-essential ros-melodic-desktop'
 
-echo "${PASSWORD}" | sudo -E -S sh -c 'rosdep init'
+sudo -E sh -c 'rosdep init'
 rosdep update
 
 echo "--- Downloading PX4 and installing its dependencies"
 git clone -b v1.10.1-clever https://github.com/CopterExpress/Firmware ${HOME}/Firmware
-echo "${PASSWORD}" | sudo -E -S sh -c '${HOME}/Firmware/Tools/setup/ubuntu.sh'
-echo "${PASSWORD}" | sudo -E -S sh -c 'echo "2" | update-alternatives --config java'
-echo "${PASSWROD}" | sudo -E -S sed -i -e '/^assistive_technologies=/s/^/#/' /etc/java-*-openjdk/accessibility.properties
+sudo -E -S sh -c '${HOME}/Firmware/Tools/setup/ubuntu.sh'
+sudo -E -S sh -c 'echo "2" | update-alternatives --config java'
+sudo -E -S sed -i -e '/^assistive_technologies=/s/^/#/' /etc/java-*-openjdk/accessibility.properties
 
 echo "--- Prebuilding PX4 SITL configuration"
 make -C ${HOME}/Firmware px4_sitl
@@ -38,12 +42,12 @@ echo "source /opt/ros/melodic/setup.bash" >> ~/.bashrc
 
 echo "--- Installing Visual Studio Code"
 
-echo "${PASSWORD}" | sudo -E -S sh -c 'apt update; apt install -y curl'
+sudo -E sh -c 'apt update; apt install -y curl'
 curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > ${HOME}/packages.microsoft.gpg
-echo "${PASSWORD}" | sudo -E -S sh -c 'install -o root -g root -m 644 ${HOME}/packages.microsoft.gpg /usr/share/keyrings'
+sudo -E sh -c 'install -o root -g root -m 644 ${HOME}/packages.microsoft.gpg /usr/share/keyrings'
 rm ${HOME}/packages.microsoft.gpg
-echo "${PASSWORD}" | sudo -E -S sh -c 'echo "deb [arch=amd64 signed-by=/usr/share/keyrings/packages.microsoft.gpg] https://packages.microsoft.com/repos/vscode stable main" > /etc/apt/sources.list.d/vscode.list'
-echo "${PASSWORD}" | sudo -E -S sh -c 'apt install -y apt-transport-https; apt update; apt install -y code'
+sudo -E sh -c 'echo "deb [arch=amd64 signed-by=/usr/share/keyrings/packages.microsoft.gpg] https://packages.microsoft.com/repos/vscode stable main" > /etc/apt/sources.list.d/vscode.list'
+sudo -E sh -c 'apt install -y apt-transport-https; apt update; apt install -y code'
 code --install-extension ms-python.python
 code --install-extension DavidAnson.vscode-markdownlint
 code --install-extension ms-vscode.cmake-tools
@@ -64,7 +68,7 @@ ln -s ${HOME}/Firmware/Tools/sitl_gazebo ${HOME}/catkin_ws/src/sitl_gazebo
 rosdep install --from-paths ${HOME}/catkin_ws/src --ignore-src --rosdistro melodic -y
 curl https://raw.githubusercontent.com/mavlink/mavros/master/mavros/scripts/install_geographiclib_datasets.sh -o ${HOME}/install_geographiclib_datasets.sh
 chmod a+x ${HOME}/install_geographiclib_datasets.sh
-echo "${PASSWORD}" | sudo -E -S sh -c '${HOME}/install_geographiclib_datasets.sh'
+sudo -E sh -c '${HOME}/install_geographiclib_datasets.sh'
 source /opt/ros/melodic/setup.bash
 cd ${HOME}/catkin_ws && catkin_make
 echo "source /home/clever/catkin_ws/devel/setup.bash" >> ~/.bashrc
@@ -75,13 +79,13 @@ sudo cp ${HOME}/catkin_ws/src/clover/builder/assets/roscore.service /etc/systemd
 sudo systemctl enable roscore.service
 
 echo "--- Installing QGroundControl"
-echo "${PASSWORD}" | sudo -E -S sh -c "usermod -a -G dialout $USER"
-echo "${PASSWORD}" | sudo -E -S sh -c 'apt remove -y modemmanager; apt install -y gstreamer1.0-plugins-bad gstreamer1.0-libav'
+sudo -E sh -c "usermod -a -G dialout $USER"
+sudo -E sh -c 'apt remove -y modemmanager; apt install -y gstreamer1.0-plugins-bad gstreamer1.0-libav'
 curl https://s3-us-west-2.amazonaws.com/qgroundcontrol/latest/QGroundControl.AppImage -o ${HOME}/QGroundControl.AppImage
 chmod a+x ${HOME}/QGroundControl.AppImage
 
 echo "--- Installing Firefox web browser"
-echo "${PASSWORD}" | sudo -E -S sh -c 'apt update; apt install -y firefox'
+sudo -E sh -c 'apt update; apt install -y firefox'
 
 echo "--- Installing Monkey web server"
 sudo apt install -y /tmp/packages/monkey_1.6.9-1_amd64.deb
@@ -93,11 +97,11 @@ echo "--- Installing additional packages"
 sudo -E sh -c 'apt update; apt install -y sshfs gvfs-fuse gvfs-backends python3-opencv byobu ipython ipython3 byobu nmap lsof tmux vim ros-melodic-rqt-multiplot'
 
 echo "--- Personalizing VM"
-echo "${PASSWORD}" | sudo -E -S sh -c 'mv /etc/xdg/autostart/light-locker.desktop /etc/xdg/autostart/light-locker.desktop.old'
-echo "${PASSWORD}" | sudo -E -S sh -c 'cp /usr/share/xfce4/backdrops/xubuntu-wallpaper.png /usr/share/xfce4/backdrops/xubuntu-wallpaper-old.png; cp /home/clever/Pictures/Logo_COEX_2019_white_on_black.png /usr/share/xfce4/backdrops/xubuntu-wallpaper.png'
-echo "${PASSWORD}" | sudo -E -S sh -c 'hostnamectl set-hostname clever-dev; sed -i "s/ubuntu/clever-dev clever-dev.local/g" /etc/hosts'
+sudo -E sh -c 'mv /etc/xdg/autostart/light-locker.desktop /etc/xdg/autostart/light-locker.desktop.old'
+sudo -E sh -c 'cp /usr/share/xfce4/backdrops/xubuntu-wallpaper.png /usr/share/xfce4/backdrops/xubuntu-wallpaper-old.png; cp /home/clever/Pictures/Logo_COEX_2019_white_on_black.png /usr/share/xfce4/backdrops/xubuntu-wallpaper.png'
+sudo -E sh -c 'hostnamectl set-hostname clever-dev; sed -i "s/ubuntu/clever-dev clever-dev.local/g" /etc/hosts'
 echo "export ROS_HOSTNAME=\`hostname\`.local" >> ${HOME}/.bashrc
 chmod a+x /home/clever/Desktop/*
 
 echo "--- Cleaning up"
-echo "${PASSWORD}" | sudo -E -S sh -c 'apt-get -y autoremove; apt-get -y autoclean; apt-get -y clean; fstrim -v /'
+sudo -E sh -c 'apt-get -y autoremove; apt-get -y autoclean; apt-get -y clean; fstrim -v /'