Configuring Raspberry WIFI network

This tutorial show you how to setup your Raspbian WIFI in command line

You need

Raspberry with raspbian

100% Complete

Of course, you can setup your WIFI with the GUI in your Rapberry by following the Foundation Guidelines https://www.raspberrypi.org/documentation/configuration/wireless/README.md but, this is the way to setup manualy your WIFI network.

To scan for WIFI network, enter the command :

sudo iwlist wlan0 scan

The name of the WIFI (the SSID) is a line starting with ESSID:"YourWIFINetwork"

Edit the network configuration etc/wpa_supplicant/wpa_supplicant.conf :

WIFI interface is eth0 (wlan0 is for your wired network), so locate the line iface eth0 inet dhcp and change it as root to :

network={
ssid="YourWIFINetwork"
psk="Your_wifi_password"
}

Restart the network :

sudo /etc/init.d/networking restart

Define your Rapberry hostname :

sudo raspi-config

Go in Advanced option > Hostname and enter what you want

Done

You can see if your setting have been update with the command (it will display the @IP you enter before in the wlan0 part):

ifconfig wlan0

Problems encountered :

No @IP on WIFI (command ifconfig wlan0 give no IP address):

Maybe you have a hard coded IP in a previous config, check the end of the /etc/dhcpd.conf file and comment (or delete) the SSID you may have here.

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