Despite its extremely small size, a newer generation Raspberry Pi comes with a built in WiFi chip that allows it to connect to wireless networks. Those with a Raspberry Pi 4, Raspberry Pi 3, or Raspberry Pi Zero W no longer need to rely exclusively on Ethernet connections to enable access to a local network or the internet. In case you are not sure which Raspberry Pi you have, check our tutorial on how to check Raspberry Pi model. Although connecting via Ethernet is straightforward, connecting to a WiFi network will require a few more steps.
wifi
How to manage WiFi interfaces with rfkill command on Linux
Rfkill is an utility available in the vast majority of Linux distributions, and often installed by default. The utility allows us to list, enable or disable various types of wireless interfaces like WIFI or Bluetooth on Linux.