How to WiFi: wpa_supplicant + systemd

I don't prefer systemd, but sometimes you can't avoid demandware. Below is my how to wifi with systemd. This method now works with all distros, including debian.

Identify wifi device(s)

$ iw dev
        Interface wlp3s0
                ifindex 3
                wdev 0x1
                addr 00:00:00:00:00:00
                type managed
                channel 1 (2412 MHz), width: 20 MHz, center1: 2412 MHz

Config wifi device

# vi /etc/systemd/network/ 



Config wpa_supplicant

# vi /etc/wpa_supplicant/wpa_supplicant-wlp3s0.conf 
[sudo] password for superuser: 
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev

Add wifi network(s)

# wpa-passphrase wlan passphrase >> /etc/wpa_supplicant/wpa_supplicant-wlp3s0.conf

Enable services

# systemctl enable wpa_supplicant@wlp3s0
# systemctl enable systemd-networkd

Reboot to test connectivity :)

For you need GUI, use wpa_gui. It has a SysTray icon to help manage wifi networks. No need for Gnome's NetworkManager bloatware!

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