no-113 au-03

Network

A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes.

For more information, please visit below link: https://en.wikipedia.org/wiki/Computer_network

You can control the Raspberry Pi network connection from GUI and terminal.

Wi-Fi is ON

You can connect to a Wi-Fi network with Raspberry Pi and control the status of network.

1. It is the Wi-Fi icon. This means that Raspberry Pi connected the network.
2. Run below command, to check your connection.

ping google.com

This command sends a ping to Google, then receive and transmit package over Wi-Fi.

3. After a while press Ctrl + C to stop ping. Google ping statistics show us your data traffic (5 packets transmitted, 5 received), so you can understand that your Wi-Fi connection is up.

Wi-Fi is OFF

You cannot see the Wi-Fi icon when your Wi-Fi is off.

1. Wi-Fi is off.
2. Run below command on the terminal.

ping google.com

3. There is an error message. “ping: google.com: Temporary failure in name resolution.”

If you send a ping to google, you’ll get an error message when your Wi-Fi is off. This means that your Wi-Fi is down