PHP has a huge number of functions and amazingly these include calculation of sunset and sunrise times, so its easy to calculate if its currently daylight using PHP.... (more)

When creating a new website is useful to create a local domain name for it too, so that you can use links like /css/style.css. This makes is easier... (more)

A Raspberry Pi based data collection system to allow the remote monitoring of energy sensors.

sudo nano /etc/motd Remove all the text and save. Now install figlet to display a nicer ascii message: sudo apt-get install figlet   sudo nano ~/.bashrc add figlet... (more)

ssh-keygen -t rsa -b 4096 id_rsa_pi no passphrase entered ssh-copy-id -i id_rsa_pi pi@192.168.1.72 NB nano ~/.ssh/config to add a shortcut so we can ssh pi