Connect to a wireless network — by GNOME Documentation Project
beginnerpage
Shows how to join a Wi-Fi network from the GNOME system menu and what the signal icon means.
Linux
Networking
3 curated resources, easiest first.
How to use a WiFi interface (Debian Wiki) — by Debian Wiki contributors
intermediatepage
Explains how to get Wi-Fi working using NetworkManager, IWD, wpa_supplicant with ifupdown or systemd-networkd, and how to verify the connection.
NetworkConfiguration (Debian Wiki) — by Debian Wiki contributors
intermediatepage
Covers configuring networking on Debian with NetworkManager, systemd-networkd, Netplan or /etc/network/interfaces, including DHCP, static IPs, DNS, bridges, VLANs and bonding.