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How to Run a Script as a Service in Raspberry Pi - Raspbian Jessie

By: Diego Acuña

Original Article: http://www.diegoacuna.me/how-to-run-a-script-as-a-service-in-raspberry-pi-raspbian-jessie/

A pretty common task when using this device, is to run some script (for example a python script) as a service in the operating system so it can start on boot, stop and restart using systemctl and more. In this post I'm going to explain how to set a little script as a service using Raspbian Jessie in a Raspberry Pi.

Example Python Script

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# ------------------------------------------------
# Config files are located in /etc/wireguard/wg0
# ------------------------------------------------

# ---------- Server Config ----------
[Interface]
Address = 10.10.0.1/24 # IPV4 CIDR 
Address = fd86:ea04:1111::1/64 # IPV6 CIDR 
PostUp = iptables -A FORWARD -i wg0 -j ACCEPT; iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE; ip6tables -A FORWARD -i wg0 -j ACCEPT; ip6tables -t nat -A POSTROUTING -o eth0 -j MASQUERADE # Add forwarding when VPN is started
PostDown = iptables -D FORWARD -i wg0 -j ACCEPT; iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE; ip6tables -D FORWARD -i wg0 -j ACCEPT; ip6tables -t nat -D POSTROUTING -o eth0 -j MASQUERADE # Remove forwarding when VPN is shutdown

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Not just an Universal MediaCreationTool wrapper script with ingenious support for business editions,

A powerful yet simple windows 1X deployment automation tool as well!

awesome gui dialogs to pick windows version and preset action
Auto Setup choice for upgrade directly without prompts, with edition change / intelligent fallback
Create ISO choice for authoring iso file directly via DIR2ISO snippet, including any 'oem' customizations
Create USB choice for authoring usb via native MCT, including any 'oem' customizations (prompts once)
Select in MCT choice for vanilla MCT processing without 'oem' modifications, script quits straightway
control via set script vars, commandline parameters or rename script like iso 21H2 Pro MediaCreationTool.bat

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sudo apt-get install -y gpsd
sudo apt-get install -y gpsd-clients
sudo apt-get install -y python-gps
sudo apt-get install -y libcap-dev
sudo apt-get install -y pps-tools

echo console=ttyACM0,115200 >> /boot/cmdline.txt

# edit /etc/rc/local and add (before the exit 0)
# sudo gpsd /dev/ttyACM0 -F /var/run/gpsd.sock

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# -----

from pymodbus.client.sync import ModbusSerialClient
import serial.rs485

ser = serial.rs485.RS485(port='/dev/ttyAMA0', baudrate=1200)
ser.rs485_mode = serial.rs485.RS485Settings(rts_level_for_tx=False,
                                            rts_level_for_rx=True,
                                            delay_before_tx=0.0,
                                            delay_before_rx=-0.0)

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#/etc/systemd/system/test.service
[Unit]

Description=Test Systemd Service

[Service]
ExecStartPre=/usr/bin/echo -e "\033[0;33m Pre start \033[0m"
ExecStart=/usr/bin/sleep 10
ExecStartPost=/usr/bin/echo -e "\033[0;33m Post start \033[0m"

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import RPi.GPIO as GPIO
import threading

GPIO.setmode(GPIO.BCM)
GPIO.setup(23, GPIO.IN, pull_up_down = GPIO.PUD_DOWN)
i = 0

# Source: http://stackoverflow.com/a/14035296/2094521
def set_interval(func, sec):
	def func_wrapper():

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// Import Flux date package: https://docs.influxdata.com/influxdb/v2.0/reference/flux/stdlib/date/
import "date"
// Import Flux dictionary package: https://docs.influxdata.com/influxdb/v2.0/reference/flux/stdlib/dict/
import "dict"

bucket = "mybucket"

// Work with data collected in the past 5 minutes
start = -5m
stop = now()

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wget -qO- https://repos.influxdata.com/influxdb.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/influxdb.gpg > /dev/null
export DISTRIB_ID=$(lsb_release -si); export DISTRIB_CODENAME=$(lsb_release -sc)
echo "deb [signed-by=/etc/apt/trusted.gpg.d/influxdb.gpg] https://repos.influxdata.com/${DISTRIB_ID,,} ${DISTRIB_CODENAME} stable" | sudo tee /etc/apt/sources.list.d/influxdb.list > /dev/null

sudo apt-get update && sudo apt-get install influxdb2

sudo chmod +x /etc/init.d/influxdb
sudo chown root:root /etc/init.d/influxdb
sudo update-rc.d influxdb defaults
sudo update-rc.d influxdb enable

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