merge of '2b4768d9966695ad845dad4e28ef426d781e718f'

     and '8489000cfeee5a6aa5a250b48bda4f6e2fb16b03'

installer/resources/i2prouter

@@ -45,7 +45,7 @@ GETTEXT=$(which gettext > /dev/null 2>&1)
 
 # Where to install the systemd service
 SYSTEMD_SERVICE="/etc/systemd/system/${APP_NAME}.service"
-if grep -q systemd /proc/1/comm ; then
+if grep -q systemd /proc/1/comm > /dev/null 2>&1 ; then
     USE_SYSTEMD=1
 fi