NetworkManager makes it easy to use your computer’s wifi card.
Installation
sudo pacman -S networkmanager
Examples
nmcli is the command-line interface to NetworkManager
List Available Access Points
$ nmcli device wifi list
IN-USE BSSID SSID MODE CHAN RATE SIGNAL BARS SECURITY
44:AD:D9:8E:40:DE attwifi - Passpoint Infra 40 195 Mbit/s 100 ▂▄▆█ WPA2 802.1X
44:AD:D9:8E:40:DD Free PHL Airport WiFi Infra 40 195 Mbit/s 100 ▂▄▆█ --
Connect to a new Access Point
$ nmcli device wifi connect 'attwifi - Passpoint' --ask
Password:
Device 'wlp2s0' successfully activated with '0a959c64-ebbd-4ba2-a813-f9f8fac2e3a3'
--askenables a password prompt if needed
List Known/Active Access Points
$ nmcli connection
NAME UUID TYPE DEVICE
Free PHL Airport WiFi 9aa5b767-78fc-4bfc-8612-eaf07305f54e wifi wlp2s0
el_pro_downstairs_5GHz 2d8b7aea-13af-45ae-8004-a6845e3c36b0 wifi --
el_pro_upstairs_5GHz 7ecb663d-3f81-4964-b8df-ac49607d8eed wifi --
Goog Hell e1601da3-8647-4bde-8f6d-9f46e5a82624 wifi --
Connect to a known Access Point
$ nmcli connection up 'Free PHL Airport WiFi'
Connection successfully activated (D-Bus active path: ...)
- this will replace the current connection if it exists
Disconnect from an Access Point
$ nmcli connection down 'Free PHL Airport WiFi'
Connection 'Free PHL Airport WiFi' successfully deactivated (D-Bus active path: ...)
Delete a known Access Point
$ nmcli connection delete 'Free PHL Airport WiFi'
Connection 'Free PHL Airport WiFi' (9aa5b767-78fc-4bfc-8612-eaf07305f54e) successfully deleted.
Disable/Enable Networking Entirely
Disable Networking
$ nmcli networking off
$ nmcli device
DEVICE TYPE STATE CONNECTION
wlp2s0 wifi unmanaged --
p2p-dev-wlp2s0 wifi-p2p unmanaged --
- this can be useful to save power
Enable Networking
$ nmcli networking on
$ nmcli device
DEVICE TYPE STATE CONNECTION
wlp2s0 wifi disconnected --
p2p-dev-wlp2s0 wifi-p2p disconnected --