diff --git a/installer2.sh b/installer2.sh
index 9a5fc21..3170c21 100644
--- a/installer2.sh
+++ b/installer2.sh
@@ -11,11 +11,13 @@ sudo raspi-config
 # sudo apt purge cups cups-browsed pulseaudio* bluetooth libgl* xserver* lightdm* raspberrypi-ui-mods vlc* lxde* chromium* desktop* gnome* gstreamer* gtk* hicolor-icon-theme* lx* mesa* -y
 
 # grafana repo and install
+echo "Add Grafana repo"
 sudo mkdir -p /etc/apt/keyrings/
 wget -q -O - https://apt.grafana.com/gpg.key | gpg --dearmor | sudo tee /etc/apt/keyrings/grafana.gpg > /dev/null
 echo "deb [signed-by=/etc/apt/keyrings/grafana.gpg] https://apt.grafana.com stable main" | sudo tee /etc/apt/sources.list.d/grafana.list
 
 # telegraf repo and install
+echo "Add Telegraf repo"
 curl --silent --location -O \
 https://repos.influxdata.com/influxdata-archive.key \
 && echo "943666881a1b8d9b849b74caebf02d3465d6beb716510d86a39f6c8e8dac7515  influxdata-archive.key" \
@@ -25,6 +27,14 @@ https://repos.influxdata.com/influxdata-archive.key \
 && echo 'deb [signed-by=/etc/apt/trusted.gpg.d/influxdata-archive.gpg] https://repos.influxdata.com/debian stable main' \
 | sudo tee /etc/apt/sources.list.d/influxdata.list
 
+# remove dat key file thing
+if [ -f ./influxdata-archive.key ]; then
+    echo "Removing ./influxdata-archive.key"
+    rm -f ./influxdata-archive.key
+else
+    echo "./influxdata-archive.key not found, skipping delete"
+fi
+
 # install em
 echo "Getting new software lists"
 sudo apt update
@@ -33,15 +43,23 @@ echo "Installing packages"
 sudo apt install telegraf grafana influxdb pps-tools gpsd gpsd-clients chrony syslog-ng -y
 
 # configure the overlay
-echo "Adding lines to /boot/firmware/config.txt to enable pps and gpio uart"
-sudo bash -c "echo '# the next 3 lines are for GPS PPS signals' >> /boot/firmware/config.txt"
-sudo bash -c "echo 'dtoverlay=pps-gpio,gpiopin=18' >> /boot/firmware/config.txt"
-sudo bash -c "echo 'enable_uart=1' >> /boot/firmware/config.txt"
-sudo bash -c "echo 'init_uart_baud=115200' >> /boot/firmware/config.txt" # set baudrate here too
+if [ $(grep -q "GPS PPS signals" /boot/firmware/config.txt) -eq 0 ]; then
+    echo "/boot/firmware/config.txt already updated, skipping"
+else
+    echo "Adding lines to /boot/firmware/config.txt to enable pps and gpio uart"
+    sudo bash -c "echo '# the next 3 lines are for GPS PPS signals' >> /boot/firmware/config.txt"
+    sudo bash -c "echo 'dtoverlay=pps-gpio,gpiopin=18' >> /boot/firmware/config.txt"
+    sudo bash -c "echo 'enable_uart=1' >> /boot/firmware/config.txt"
+`   sudo bash -c "echo 'init_uart_baud=115200' >> /boot/firmware/config.txt" # set baudrate here to
+fi
 
 # add pps-gpio to modules
-echo "Adding pps-gpio to modules"
-sudo bash -c "echo 'pps-gpio' >> /etc/modules"
+if [ $(grep -q "pps-gpios" /boot/firmware/config.txt) -eq 0 ]; then
+    echo "pps-gpio already in /etc/modules, skipping"
+else
+    echo "Adding pps-gpio to modules"
+    sudo bash -c "echo 'pps-gpio' >> /etc/modules"
+fi
 
 echo "Cleaning Up"
 sudo apt autoremove # cleanup