convert from sysv init to systemd for the crash recovery benefits

__lib__systemd__system__stratux.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Stratux
+After=network.target
+
+[Service]
+ExecStartPre=/root/stratux-pre-start.sh
+ExecStart=/usr/bin/gen_gdl90
+ExecStop=pkill dump1090
+KillMode=process
+Restart=always
+RestartSec=5
+LimitCORE=1073741824
+
+[Install]
+WantedBy=multi-user.target
+

__root__stratux-pre-start.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+echo powersave >/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
+
+# Check if we need to run an update.
+if [ -e /root/update*stratux*v*.sh ] ; then
+	UPDATE_SCRIPT=`ls -1t /root/update*stratux*v*.sh | head -1`
+	if [ -n "$UPDATE_SCRIPT" ] ; then
+		# Execute the script, remove it, then reboot.
+		echo
+		echo "Running update script ${UPDATE_SCRIPT}..."
+		sh ${UPDATE_SCRIPT}
+		rm -f $UPDATE_SCRIPT
+		reboot
+	fi
+fi
+

selfupdate/makeupdate.sh

@@ -18,7 +18,8 @@ mkdir -p work/bin
 cp gen_gdl90 work/bin/
 cp libdump978.so work/bin/
 cp linux-mpu9150/libimu.so work/bin/
-cp init.d-stratux work/bin/
+cp __lib__systemd__system__stratux.service work/bin/
+cp __root__stratux-pre-start.sh work/bin/
 cp dump1090/dump1090 work/bin/
 cp -r web work/bin/
 cp image/hostapd.conf work/bin/

selfupdate/update_footer.sh

@@ -4,10 +4,15 @@ cp -f libimu.so /usr/lib/libimu.so
 
 
 # Startup script.
-cp -f init.d-stratux /etc/init.d/stratux
-chmod 755 /etc/init.d/stratux
-ln -fs /etc/init.d/stratux /etc/rc2.d/S01stratux
-ln -fs /etc/init.d/stratux /etc/rc6.d/K01stratux
+rm -f /etc/init.d/stratux
+rm -f /etc/rc2.d/S01stratux
+rm -f /etc/rc6.d/K01stratux
+
+cp -f __lib__systemd__system__stratux.service /lib/systemd/system/stratux.service
+cp -f __root__stratux-pre-start.sh /root/stratux-pre-start.sh
+chmod 644 /lib/systemd/system/stratux.service
+chmod 744 /root/stratux-pre-start.sh
+ln -fs /lib/systemd/system/stratux.service /etc/systemd/system/multi-user.target.wants/stratux.service
 
 #wifi config
 cp -f hostapd.conf /etc/hostapd/hostapd.conf