#linux/debian

Network Setup

Edit /etc/network/interfaces

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto wlan0
iface wlan0 inet static
# iface wlan0 inet dhcp
# Omit the following 5 lines if using dhcp; or 7 lines if using eno1
        address <address>
        netmask <netmask>
        network <network>
        broadcast <broadcast>
        gateway <gateway>
        wpa-ssid <wpa-ssid>
        wpa-psk <wpa-psk>

To get wpa-psk

$ wpa_passphrase Your-WiFi-Name-SSID <passphrase>