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WiFi Setup

As the SSID and password for the WiFi connection are usually unknown during the image build, the WiFi interface (wlan0) is initially not configured.

Initial Configuration

It is recommended to configure the WiFi interface using NetworkManager. Please replace "SSID" and "PASSWORD" as required by your local wireless LAN setup and replace "CONNECTION-NAME" with a meaningful name:

sudo nmcli radio wifi on
sudo nmcli dev wifi con "SSID" password "PASSWORD" name "CONNECTION-NAME"

Configuration Handling During a Mender Upgrade

As the gateway might only be connected through WiFi it is essential that the WiFi connection gets re-established immediately after the OS upgrade. For this reason the NetworkManager connections get backed up to /data/backup/NetworkManager during a Mender based OS upgrade. The new OS image will then re-apply this NetworkManager connections.