Wifi

This article describes the setup of a Wifi network device.

Hardware detection
To choose the right driver, first detect the used Wifi controllers. You can use lspci or lsusb for this task:

Kernel
You need to activate the following kernel options:

To enable wireless extensions, compile your kernel with the following option (this will support old wireless-tools & iwconfig):

Firmware
Besides the kernel driver, you will also need firmware:

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Install the required package, e.g for :

linux-firmware
Install the required package, e.g for :

If there is no package, you have to download the firmware and move it to yourself.

Testing
After a reboot with the new kernel or after loading the modules, check that the device is ready using one of following methods:


 * Using :


 * Using :


 * Using if your driver supports the wireless extensions stack:


 * Using ,if your driver supports the nl80211 stack

If not, check dmesg for errors:

Configuration

 * Network management

Advanced Configuration

 * Power management

External resources

 * kernel.org wifi
 * IEEE 802.11