O'Reilly logo

Raspberry Pi: Amazing Projects from Scratch by Richard Grimmett, Matthew Poole, Arush Kakkar, Ashwin Pajankar

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

The master configuration file

Our system will use a master configuration file that will tell it how everything is set up and connected. This configuration file will be used by both the web control panel and the main alarm control scripts so that the two sub-systems can "talk" to each other. Let's create the file with our initial settings.

The settings file will be stored in the same location as where we will create our control scripts in Chapter 9, Putting It All Together, which is in the folder. /etc/pi-alarm. So, let's create this folder, and give it execute rights so that our scripts can be run:

$ cd /etc
$ sudo mkdir pi-alarm
$ sudo chmod 777 pi-alarm

We'll now create the master configuration file, to be used by our system, in this folder: ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required