diff --git a/scripts/functions.sh b/scripts/functions.sh
index 64fee5a..ad2b812 100755
--- a/scripts/functions.sh
+++ b/scripts/functions.sh
@@ -221,7 +221,7 @@ restart_MoonrakerTelegramBot(){
 }
 
 restart_nginx(){
-  if [ "$(systemctl list-units --full -all -t service --no-legend | grep -F "nginx.service")" ]; then
+  if ls /lib/systemd/system/nginx.service 2>/dev/null 1>&2; then
     status_msg "Restarting NGINX Service ..."
     sudo systemctl restart nginx && ok_msg "NGINX Service restarted!"
   fi
diff --git a/scripts/install_klipper_webui.sh b/scripts/install_klipper_webui.sh
index 87cb486..0756cc8 100755
--- a/scripts/install_klipper_webui.sh
+++ b/scripts/install_klipper_webui.sh
@@ -1,13 +1,13 @@
 system_check_webui(){
   ### check system for installed moonraker service
-  if [ "$(systemctl list-units --full -all -t service --no-legend | grep -F "moonraker.service")" ] || [ "$(systemctl list-units --full -all -t service --no-legend | grep -E "moonraker-[[:digit:]].service")" ]; then
+  if ls /etc/systemd/system/moonraker.service 2>/dev/null 1>&2 || ls /etc/systemd/system | grep -q -E "moonraker-[[:digit:]]+.service"; then
     moonraker_chk_ok="true"
   else
     moonraker_chk_ok="false"
   fi
 
   ### check system for an installed and enabled octoprint service
-  if systemctl list-unit-files | grep -E "octoprint.*" | grep "enabled" &>/dev/null; then
+  if sudo systemctl list-unit-files | grep -E "octoprint.*" | grep "enabled" &>/dev/null; then
     OCTOPRINT_ENABLED="true"
   fi
 
@@ -114,12 +114,12 @@ install_webui(){
   $1_port_check
 
   ### ask user to install mjpg-streamer
-  if [[ ! "$(systemctl list-units --full -all -t service --no-legend | grep -F "webcamd.service")" ]]; then
+  if ls /etc/systemd/system/webcamd.service 2>/dev/null 1>&2; then
     get_user_selection_mjpg-streamer
   fi
 
   ### ask user to install the recommended webinterface macros
-  if [[ ! -n $(ls $klipper_cfg_loc/kiauh_macros.cfg) ]] || [[ ! -n $(ls $klipper_cfg_loc/printer_*/kiauh_macros.cfg) ]]; then
+  if ! ls $klipper_cfg_loc/kiauh_macros.cfg 2>/dev/null 1>&2 || ! ls $klipper_cfg_loc/printer_*/kiauh_macros.cfg 2>/dev/null 1>&2; then
     get_user_selection_kiauh_macros "$IF_NAME2"
   fi
   ### create /etc/nginx/conf.d/upstreams.conf
diff --git a/scripts/install_moonraker.sh b/scripts/install_moonraker.sh
index 8ca43c0..747d96e 100755
--- a/scripts/install_moonraker.sh
+++ b/scripts/install_moonraker.sh
@@ -41,10 +41,10 @@ moonraker_setup_dialog(){
   shopt -u extglob # disable extended globbing
 
   ### count amount of klipper services
-  if [ "$(systemctl list-units --full -all -t service --no-legend | grep -F "klipper.service")" ]; then
+  if ls /etc/systemd/system/klipper.service 2>/dev/null; then
     INSTANCE_COUNT=1
   else
-    INSTANCE_COUNT=$(systemctl list-units --full -all -t service --no-legend | grep -E "klipper-[[:digit:]]+.service" | wc -l)
+    INSTANCE_COUNT=$(ls /etc/systemd/system | grep -E "klipper-[[:digit:]]+.service" | wc -l)
   fi
 
   ### initial moonraker.conf path check
@@ -183,11 +183,10 @@ create_moonraker_service(){
     ### write single instance service
     write_mr_service
     ### enable instance
-    sudo systemctl enable moonraker.service
+    do_action_service "enable" "moonraker"
     ok_msg "Single Moonraker instance created!"
     ### launching instance
-    status_msg "Launching Moonraker instance ..."
-    sudo systemctl start moonraker
+    do_action_service "start" "moonraker"
   else
     i=1
     while [ $i -le $INSTANCE_COUNT ]; do
@@ -199,12 +198,10 @@ create_moonraker_service(){
       ### write multi instance service
       write_mr_service
       ### enable instance
-      sudo systemctl enable moonraker-$i.service
+      do_action_service "enable" "moonraker-$i"
       ok_msg "Moonraker instance #$i created!"
       ### launching instance
-      status_msg "Launching Moonraker instance #$i ..."
-      sudo systemctl start moonraker-$i
-
+      do_action_service "start" "moonraker-$i"
       ### raise values by 1
       i=$((i+1))
     done
@@ -249,7 +246,7 @@ create_moonraker_conf(){
         sed -i "s|%UDS%|$KLIPPY_UDS|" $MR_CONF
         # if host ip is not in the default ip ranges, replace placeholder
         # otherwise remove placeholder from config
-        if ! grep $LAN $MR_CONF; then
+        if ! grep -q $LAN $MR_CONF; then
           sed -i "s|%LAN%|$LAN|" $MR_CONF
         else
           sed -i "/%LAN%/d" $MR_CONF
diff --git a/scripts/remove.sh b/scripts/remove.sh
index e632635..c4563a3 100755
--- a/scripts/remove.sh
+++ b/scripts/remove.sh
@@ -338,12 +338,10 @@ remove_octoprint(){
 #############################################################
 
 remove_nginx(){
-  if [[ $(dpkg-query -f'${Status}' --show nginx 2>/dev/null) = *\ installed ]]  ; then
-    if systemctl is-active nginx -q; then
-      status_msg "Stopping Nginx service ..."
-      sudo service nginx stop && sudo systemctl disable nginx
-      ok_msg "Service stopped!"
-    fi
+  if ls /lib/systemd/system/nginx.service 2>/dev/null 1>&2; then
+    status_msg "Stopping Nginx service ..."
+    sudo systemctl stop nginx && sudo systemctl disable nginx
+    ok_msg "Service stopped and disabled!"
     status_msg "Purging Nginx from system ..."
     sudo apt-get purge nginx nginx-common -y
     sudo update-rc.d -f nginx remove