[Record gpsd data at startup]

rc.local

# things

gpsd -G -n /dev/ttyUSB0
gpspipe -d -r -t -o /home/user/`date -Iminutes`.nmea

# rest of the things
# always end with `exit 0`

rc.local_2

# things

# this is optional if gpsd service is running
#gpsd -G -n /dev/ttyUSB0
# end optional
FILENAME=/home/user/ais/`date -Iminutes`.nmea
gpspipe -d -r -t -o $FILENAME

# push data to AIShub
AISDISPATCHER=/home/user/aishub/aisdispatcher_arm_glibc/aisdispatcher
tail -f  $FILENAME | awk -F" " '{print $3}' | $AISDISPATCHER -i -G -g -H data.aishub.net:XXXX &

# rest of the things
# always end with `exit 0`