Bonsoir
voici le retour
sleer@sleer-HP-Notebook:~$ nmcli dev wifi
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
SFR WiFi Mobile Infra 6 130 Mbit/s 100 ▂▄▆█ WPA2 802.1X
SFR WiFi FON Infra 6 130 Mbit/s 100 ▂▄▆█ --
* SFR_6760 Infra 6 130 Mbit/s 96 ▂▄▆█ WPA1
sleer@sleer-HP-Notebook:~$ nmcli dev wifi
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
SFR WiFi Mobile Infra 6 130 Mbit/s 100 ▂▄▆█ WPA2 802.1X
SFR WiFi FON Infra 6 130 Mbit/s 100 ▂▄▆█ --
* SFR_6760 Infra 6 130 Mbit/s 98 ▂▄▆█ WPA1
sleer@sleer-HP-Notebook:~$ nm-tool
La commande « nm-tool » n'a pas été trouvée, voulez-vous dire :
commande « dm-tool » du deb lightdm
Essayez : sudo apt install <nom du deb>
sleer@sleer-HP-Notebook:~$ sudo rfkill list
[sudo] Mot de passe de sleer :
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
sleer@sleer-HP-Notebook:~$ nmcli dev wifi
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
* SFR_6760 Infra 6 130 Mbit/s 96 ▂▄▆█ WPA1
sleer@sleer-HP-Notebook:~$ iwconfig
wlo1 IEEE 802.11 ESSID:"SFR_6760"
Mode:Managed Frequency:2.437 GHz Access Point: 44:CE:7D:44:67:64
Bit Rate=72.2 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-18 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:1 Missed beacon:0
lo no wireless extensions.
eno1 no wireless extensions.
sleer@sleer-HP-Notebook:~$ nmcli dev wifi
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
* SFR_6760 Infra 6 130 Mbit/s 100 ▂▄▆█ WPA1
SFR WiFi Mobile Infra 6 130 Mbit/s 100 ▂▄▆█ WPA2 802.1X
SFR WiFi FON Infra 6 130 Mbit/s 100 ▂▄▆█ --
Livebox-BB5C Infra 1 130 Mbit/s 44 ▂▄__ WPA1 WPA2