hello , i already added the line for wpa_supplicant to start in debug mode, i don't know why it's not starting in this debug mode : http://pastebin.com/u30HvvsT some other things i tried : openSUSE132:~ # iwconfig wlp4s0 IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm Retry short limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off enp3s0 no wireless extensions. lo no wireless extensions. openSUSE132:~ # ip link set wlp4s0 up openSUSE132:~ # iwlist scan wlp4s0 Scan completed : Cell 01 - Address: F6:37:DB:5A:73:CC Channel:11 Frequency:2.462 GHz (Channel 11) Quality=51/70 Signal level=-59 dBm Encryption key:on ESSID:"xx" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s 18 Mb/s; 36 Mb/s; 54 Mb/s Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s Mode:Master Extra:tsf=000000000706e501 Extra: Last beacon: 57ms ago IE: Unknown: 000446413638 IE: Unknown: 010882848B961224486C IE: Unknown: 03010B IE: Unknown: 2A0104 IE: Unknown: 32040C183060 IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: 3D160B070000000000000000000000000000000000000000 IE: Unknown: 3E0100 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00 IE: Unknown: 7F0101 IE: Unknown: DD07000C4300000000 IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: DD1A00904C340B070000000000000000000000000000000000000000 Cell 02 - Address: F6:37:DB:5A:73:CD Channel:11 Frequency:2.462 GHz (Channel 11) Quality=51/70 Signal level=-59 dBm Encryption key:on ESSID:"" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s 18 Mb/s; 36 Mb/s; 54 Mb/s Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s Mode:Master Extra:tsf=0000000007080ae1 Extra: Last beacon: 135ms ago IE: Unknown: 0000 IE: Unknown: 010882848B961224486C IE: Unknown: 03010B IE: Unknown: 32040C183060 IE: Unknown: 33082001020304050607 IE: Unknown: 33082105060708090A0B IE: Unknown: 050400010000 IE: Unknown: 2A0104 IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: 3D160B070000000000000000000000000000000000000000 IE: Unknown: 7F0101 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00 IE: Unknown: 0B05000017127A IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: DD1A00904C340B070000000000000000000000000000000000000000 IE: Unknown: DD07000C4300000000 Cell 03 - Address: F6:37:DB:5A:73:CE Channel:11 Frequency:2.462 GHz (Channel 11) Quality=51/70 Signal level=-59 dBm Encryption key:off ESSID:"FreeWifi" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s 18 Mb/s; 36 Mb/s; 54 Mb/s Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s Mode:Master Extra:tsf=000000000706ef45 Extra: Last beacon: 57ms ago IE: Unknown: 00084672656557696669 IE: Unknown: 010882848B961224486C IE: Unknown: 03010B IE: Unknown: 2A0104 IE: Unknown: 32040C183060 IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: 3D160B070000000000000000000000000000000000000000 IE: Unknown: 3E0100 IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00 IE: Unknown: 7F0101 IE: Unknown: DD07000C4300000000 IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: DD1A00904C340B070000000000000000000000000000000000000000 Cell 04 - Address: F6:37:DB:5A:73:CF Channel:11 Frequency:2.462 GHz (Channel 11) Quality=51/70 Signal level=-59 dBm Encryption key:on ESSID:"FreeWifi_secure" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s 18 Mb/s; 36 Mb/s; 54 Mb/s Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s Mode:Master Extra:tsf=000000000706f886 Extra: Last beacon: 57ms ago IE: Unknown: 000F46726565576966695F736563757265 IE: Unknown: 010882848B961224486C IE: Unknown: 03010B IE: Unknown: 2A0104 IE: Unknown: 32040C183060 IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: 3D160B070000000000000000000000000000000000000000 IE: Unknown: 3E0100 IE: WPA Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : 802.1x IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00 IE: Unknown: 7F0101 IE: Unknown: DD07000C4300000000 IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: DD1A00904C340B070000000000000000000000000000000000000000 enp3s0 Interface doesn't support scanning. lo Interface doesn't support scanning. openSUSE132:~ # iwconfig wlp4s0 essid xx openSUSE132:~ # iwconfig wlp4s0 wlp4s0 IEEE 802.11bgn ESSID:"xx" Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm Retry short limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off openSUSE132:~ # wpa_passphrase <ESSID> <passphrase> >> /etc/wpa_supplicant/wpa_supplicant.conf openSUSE132:~ # cat /etc/wpa_supplicant/wpa_supplicant.conf ctrl_interface=/var/run/wpa_supplicant ctrl_interface_group=wheel ###ajouts pour la configuration du wifi, au d�part le fichier n'a que les 2 1eres lignes ce qui n'est pas complet. # eapol_version=1 # ap_scan=1 #fast_reauth=1 # network={ # ssid="xx" # proto=WPA RSN # key_mgmt=WPA-PSK WPA-EAP # pairwise=CCMP TKIP # group=CCMP TKIP # psk=yyyyyy # } network={ ssid="xx" psk=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa } openSUSE132:~ # systemctl stop wpa_supplicant.service openSUSE132:~ # ps -A|grep wpa_supplicant openSUSE132:~ # wpa-supplicant -dddt -iwlp4s0 -c/etc/wpa_supplicant/wpa_supplicant.conf -Dwext -f /var/log/wpa_supplicant.log If 'wpa-supplicant' is not a typo you can use command-not-found to lookup the package that contains it, like this: cnf wpa-supplicant openSUSE132:~ # dhclient wlp4s0 openSUSE132:~ # iwconfig wlp4s0 IEEE 802.11bgn ESSID:"FA68" Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm Retry short limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off enp3s0 no wireless extensions. lo no wireless extensions. Why does the wpa_supplicant line not work ? i still don't get why it's not working . Thanks for any help.