Download and install the firmware for your device's wireless adapter. If your device uses an Intel WLAN adapter, follow this guide.
If your device isn't connected to the internet, the iwlwifi firmware can be installed without an internet connection:
Download the iwlwifi firmware from here.
Move the .deb file to your device.
Install the file:
$ sudo dpkg -...
The command nmcli d wifi list will list the available access point from the previous scan. You need to refresh the list of AP through:
nmcli device wifi rescan
nmcli d wifi list
wifi rescan [ifname ifname] [ssid SSID...]
Request that NetworkManager immediately re-scan for available
This command does not ...
While not quite exactly what I was looking for, I was able to get it running.
This was through Raspbian's rapsi-config utility.
Steps were as follows:
Run the rasps-config command with root privileges.
Choose the second option: "Network Options"
Enter SSID and Passphrase
Find and open your "wpa_supplicant.conf" file. Mine is located in /etc/...