lk/networking/wpa_supplicant.md

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2022-01-16 18:20:39 +00:00
---
title: "wpa_supplicant"
tags: [ "Documentation", "networking" ]
---
2020-01-02 00:04:35 +00:00
wpa_supplicant configurations are stored in /etc/wpa_supplicant/wpa_supplicant-wlan0 (or equivalent).
# Generating Keys Manually
> wpa_passphrase [ssid] [password]
For example:
> wpa_passphrase 'Cafe Kosachok' 'Kosachok2019'
This then spills the relevant psk and such to be entered into the wpa_supplicant configuration file.
If you encounter problems, you will probably need to delete the old device pid in (e.g.) /run/wlan0/
Next up, start wpa_supplicant:
> wpa_supplicant -B -iwlan0 -c /etc/wpa_supplicant/wpa_supplicant-wlan0
The -B flag runs this as a background process. Remove this to see real-time output in order to solve problems. The -i flag denotes the physical device used for the wifi. The -c flag points to the configuration file for use.
# Automatic WiFi Connection
> wpa_cli
This has a number of commands to input. In order:
> scan
> scan_results
> add_network
This outputs a network number, e.g. '3'. This is the new network you'll work with.
> set_network 3 ssid "Kosachok Cafe"
> set_network 3 psk "Kosachok2019"
OR
> set_network 3 key_mgmt NONE
> enable_network 3
> save_config
... and possibly:
> sudo sv restart dhcpcd
or maybe:
> dhcpd wlp3s0