[eside-ghost] Conectarse a la red wifi con wpa_supplicant

[Álvaro Morán]

Alguien tiene idea de cómo conectarse al wifi con wpa_supplicant? He mirado
en varios foros de Ubuntu pero al final no me hace nada o me da error. Mi
conexión wifi es la siguiente:

En el archivo de Network Manager de mi conexión
/etc/NetworkManager/system-connections/elhackerderivendel (evidentemente
antes de usar wpa_supplicant apago el demonio del Network Manager):
[connection]
id=elhackerderivendel
uuid=2ec1e3d4-31ea-4d08-9aa4-6afc82324186
type=802-11-wireless
timestamp=1322936420

[802-11-wireless]
ssid=elhackerderivendel
mode=infrastructure
mac-address=ac:81:12:bb:28:e
security=802-11-wireless-security

[802-11-wireless-security]
key-mgmt=wpa-psk
psk=AAAAAAAAAAAAAAA #como imaginaréis esta no es mi contraseña

[ipv4]
method=auto

[ipv6]
method=auto

iwconfig me dice:
- Device: wlan0  [elhackerderivendel]
------------------------------------------
  Type:              802.11 WiFi
  Driver:            brcmsmac
  State:             connected
  Default:           yes
  HW Address:        AC:81:12:BB:28:0E

  Capabilities:
    Speed:           28 Mb/s

  Wireless Properties
    WEP Encryption:  yes
    WPA Encryption:  yes
    WPA2 Encryption: yes

  Wireless Access Points (* = current AP)
    RIOMAR:          Infra, 00:1B:11:B6:24:8C, Freq 2452 MHz, Rate 54 Mb/s,
Strength 24 WEP
    *elhackerderivendel: Infra, 00:0B:3B:CC:95:E4, Freq 2427 MHz, Rate 54
Mb/s, Strength 91 WPA2
    Jazztel_8F:      Infra, B4:74:9F:1D:7E:0D, Freq 2462 MHz, Rate 54 Mb/s,
Strength 22 WPA WPA2
    elhackerderivendel: Infra, 00:0E:2E:C2:11:00, Freq 2462 MHz, Rate 54
Mb/s, Strength 69 WPA2

  IPv4 Settings:
    Address:         192.168.1.58
    Prefix:          24 (255.255.255.0)
    Gateway:         192.168.1.1

    DNS:             62.42.230.24
    DNS:             62.42.63.52

Y por último al ejecutar sudo wpa_cli scan_results obtengo:
Selected interface 'wlan0'
bssid / frequency / signal level / flags / ssid
00:0e:2e:c2:11:00    2462    188    [WPA2-PSK-CCMP-preauth][ESS]
elhackerderivendel
00:0b:3b:cc:95:e4    2427    177    [WPA2-PSK-CCMP][WPS][ESS]
elhackerderivendel

Alguna idea sobre qué meter en el wpa_supplicant.conf?
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