ngtrthanh · December 24, 2020 16:21 · May 1, 2019 · May 1, 2019 · May 1, 2019 · May 1, 2019
diff --git a/raspberry_pi_script_as_service.md b/raspberry_pi_script_as_service.md
@@ -27,7 +27,7 @@ except KeyboardInterrupt, e:
 
 You can execute it by python hello_world.py. If you get boring reading so many hello worlds, press Ctrl+C (or Cmd+C on OSX) to stop it. Save this file as hello_world.py in your home folder (home/pi/).
 
-## Service to Run the Script
+## Service for the Script
 
 Now we're going to define the service to run this script:
 

diff --git a/raspberry_pi_script_as_service.md b/raspberry_pi_script_as_service.md
@@ -3,11 +3,6 @@
 
 _Original Article: http://www.diegoacuna.me/how-to-run-a-script-as-a-service-in-raspberry-pi-raspbian-jessie/_
 
-The Raspberry Pi is an incredible popular credit card size mini computer with awesome capabilities.  
-Despite of is mini size it behaves pretty much like a regular computer (it has an OS with a graphical 
-interface, an ethernet port so you can surf the web, an HDMI output, etc.) but also it exposes several 
-inputs/outputs (GPIO) to interact with the real world (sensors and cool tech gadgets).
-
 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.

diff --git a/raspberry_pi_script_as_service.md b/raspberry_pi_script_as_service.md
@@ -1,6 +1,7 @@
-Original Article: http://www.diegoacuna.me/how-to-run-a-script-as-a-service-in-raspberry-pi-raspbian-jessie/
+# How to Run a Script as a Service in Raspberry Pi - Raspbian Jessie
+**By: Diego Acuña**
 
-By: Diego Acuña
+_Original Article: http://www.diegoacuna.me/how-to-run-a-script-as-a-service-in-raspberry-pi-raspbian-jessie/_
 
 The Raspberry Pi is an incredible popular credit card size mini computer with awesome capabilities.  
 Despite of is mini size it behaves pretty much like a regular computer (it has an OS with a graphical 

diff --git a/raspberry_pi_script_as_service.md b/raspberry_pi_script_as_service.md
@@ -35,7 +35,7 @@ You can execute it by python hello_world.py. If you get boring reading so many h
 
 Now we're going to define the service to run this script:
 
-```ShellSession
+```Shell
 cd /lib/systemd/system/
 sudo nano hello.service
 ```
@@ -60,7 +60,7 @@ Here we are creating a very simple service that runs our hello_world script and
 
 Now that we have our service we need to activate it:
 
-```ShellSession
+```Shell
 sudo chmod 644 /lib/systemd/system/hello.service
 chmod +x /home/pi/hello_world.py
 sudo systemctl daemon-reload

diff --git a/raspberry_pi_script_as_service.md b/raspberry_pi_script_as_service.md
@@ -35,14 +35,14 @@ You can execute it by python hello_world.py. If you get boring reading so many h
 
 Now we're going to define the service to run this script:
 
-```bash
+```ShellSession
 cd /lib/systemd/system/
 sudo nano hello.service
 ```
 
 The service definition must be on the /lib/systemd/system folder. Our service is going to be called "hello.service":
 
-```
+```text
 [Unit]
 Description=Hello World
 After=multi-user.target
@@ -60,7 +60,7 @@ Here we are creating a very simple service that runs our hello_world script and
 
 Now that we have our service we need to activate it:
 
-```sh
+```ShellSession
 sudo chmod 644 /lib/systemd/system/hello.service
 chmod +x /home/pi/hello_world.py
 sudo systemctl daemon-reload

diff --git a/raspberry_pi_script_as_service.md b/raspberry_pi_script_as_service.md
@@ -60,7 +60,7 @@ Here we are creating a very simple service that runs our hello_world script and
 
 Now that we have our service we need to activate it:
 
-```bash
+```sh
 sudo chmod 644 /lib/systemd/system/hello.service
 chmod +x /home/pi/hello_world.py
 sudo systemctl daemon-reload

diff --git a/raspberry_pi_script_as_service.md b/raspberry_pi_script_as_service.md
@@ -11,7 +11,7 @@ A pretty common task when using this device, is to run some script (for example
 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.
 
-## Create Python Script
+## Example Python Script
 
 First of all, we are going to write a small python script which print "Hello World" every 60 seconds. 
 This is going to be our service script (hello_world.py):
@@ -31,7 +31,7 @@ except KeyboardInterrupt, e:
 
 You can execute it by python hello_world.py. If you get boring reading so many hello worlds, press Ctrl+C (or Cmd+C on OSX) to stop it. Save this file as hello_world.py in your home folder (home/pi/).
 
-## Create a Service to Run Script
+## Service to Run the Script
 
 Now we're going to define the service to run this script:
 
@@ -68,7 +68,7 @@ sudo systemctl enable hello.service
 sudo systemctl start hello.service
 ```
 
-## Service Maintenance
+## Service Tasks
 For every change that we do on the /lib/systemd/system folder we need to execute a daemon-reload (third line of previous code). If we want to check the status of our service, you can execute:
 
 `sudo systemctl status hello.service`

diff --git a/raspberry_pi_script_as_service.md b/raspberry_pi_script_as_service.md
@@ -1,4 +1,5 @@
 Original Article: http://www.diegoacuna.me/how-to-run-a-script-as-a-service-in-raspberry-pi-raspbian-jessie/
+
 By: Diego Acuña
 
 The Raspberry Pi is an incredible popular credit card size mini computer with awesome capabilities.  

diff --git a/raspberry_pi_script_as_service.md b/raspberry_pi_script_as_service.md
@@ -1,4 +1,5 @@
 Original Article: http://www.diegoacuna.me/how-to-run-a-script-as-a-service-in-raspberry-pi-raspbian-jessie/
+By: Diego Acuña
 
 The Raspberry Pi is an incredible popular credit card size mini computer with awesome capabilities.  
 Despite of is mini size it behaves pretty much like a regular computer (it has an OS with a graphical 
@@ -9,6 +10,8 @@ A pretty common task when using this device, is to run some script (for example
 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.
 
+## Create Python Script
+
 First of all, we are going to write a small python script which print "Hello World" every 60 seconds. 
 This is going to be our service script (hello_world.py):
 
@@ -25,7 +28,11 @@ except KeyboardInterrupt, e:
     logging.info("Stopping...")
 ```
 
-You can execute it by python hello_world.py. If you get boring reading so many hello worlds, press Ctrl+C (or Cmd+C on OSX) to stop it. Save this file as hello_world.py in your home folder (home/pi/). Now we're going to define the service to run this script:
+You can execute it by python hello_world.py. If you get boring reading so many hello worlds, press Ctrl+C (or Cmd+C on OSX) to stop it. Save this file as hello_world.py in your home folder (home/pi/).
+
+## Create a Service to Run Script
+
+Now we're going to define the service to run this script:
 
 ```bash
 cd /lib/systemd/system/
@@ -60,25 +67,26 @@ sudo systemctl enable hello.service
 sudo systemctl start hello.service
 ```
 
+## Service Maintenance
 For every change that we do on the /lib/systemd/system folder we need to execute a daemon-reload (third line of previous code). If we want to check the status of our service, you can execute:
 
 `sudo systemctl status hello.service`
 
 In general:
 
-# Check status
+### Check status
 `sudo systemctl status hello.service`
 
-# Start service
+### Start service
 `sudo systemctl start hello.service`
 
-# Stop service
+### Stop service
 `sudo systemctl stop hello.service`
 
-# Check service's log
+### Check service's log
 `sudo journalctl -f -u hello.service`
 
-REFERENCES
-https://wiki.archlinux.org/index.php/systemd
-https://www.digitalocean.com/community/tutorials/understanding-systemd-units-and-unit-files
-https://coreos.com/os/docs/latest/getting-started-with-systemd.html
+## REFERENCES
+- https://wiki.archlinux.org/index.php/systemd
+- https://www.digitalocean.com/community/tutorials/understanding-systemd-units-and-unit-files
+- https://coreos.com/os/docs/latest/getting-started-with-systemd.html
diff --git a/raspberry_pi_script_as_service.md b/raspberry_pi_script_as_service.md
@@ -0,0 +1,84 @@
+Original Article: http://www.diegoacuna.me/how-to-run-a-script-as-a-service-in-raspberry-pi-raspbian-jessie/
+
+The Raspberry Pi is an incredible popular credit card size mini computer with awesome capabilities.  
+Despite of is mini size it behaves pretty much like a regular computer (it has an OS with a graphical 
+interface, an ethernet port so you can surf the web, an HDMI output, etc.) but also it exposes several 
+inputs/outputs (GPIO) to interact with the real world (sensors and cool tech gadgets).
+
+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.
+
+First of all, we are going to write a small python script which print "Hello World" every 60 seconds. 
+This is going to be our service script (hello_world.py):
+
+```python
+#!/usr/bin/python
+
+from time import sleep
+
+try:
+    while True:
+        print "Hello World"
+        sleep(60)
+except KeyboardInterrupt, e:
+    logging.info("Stopping...")
+```
+
+You can execute it by python hello_world.py. If you get boring reading so many hello worlds, press Ctrl+C (or Cmd+C on OSX) to stop it. Save this file as hello_world.py in your home folder (home/pi/). Now we're going to define the service to run this script:
+
+```bash
+cd /lib/systemd/system/
+sudo nano hello.service
+```
+
+The service definition must be on the /lib/systemd/system folder. Our service is going to be called "hello.service":
+
+```
+[Unit]
+Description=Hello World
+After=multi-user.target
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/python /home/pi/hello_world.py
+Restart=on-abort
+
+[Install]
+WantedBy=multi-user.target
+```
+
+Here we are creating a very simple service that runs our hello_world script and if by any means is aborted is going to be restarted automatically. You can check more on service's options in the next wiki: https://wiki.archlinux.org/index.php/systemd.
+
+Now that we have our service we need to activate it:
+
+```bash
+sudo chmod 644 /lib/systemd/system/hello.service
+chmod +x /home/pi/hello_world.py
+sudo systemctl daemon-reload
+sudo systemctl enable hello.service
+sudo systemctl start hello.service
+```
+
+For every change that we do on the /lib/systemd/system folder we need to execute a daemon-reload (third line of previous code). If we want to check the status of our service, you can execute:
+
+`sudo systemctl status hello.service`
+
+In general:
+
+# Check status
+`sudo systemctl status hello.service`
+
+# Start service
+`sudo systemctl start hello.service`
+
+# Stop service
+`sudo systemctl stop hello.service`
+
+# Check service's log
+`sudo journalctl -f -u hello.service`
+
+REFERENCES
+https://wiki.archlinux.org/index.php/systemd
+https://www.digitalocean.com/community/tutorials/understanding-systemd-units-and-unit-files
+https://coreos.com/os/docs/latest/getting-started-with-systemd.html
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