Bonjour voici se que le fichier wificheck.log me donne :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.1 LTS"
>> lsusb
Bus 002 Device 004: ID 04e8:6863 Samsung Electronics Co., Ltd Galaxy series, misc. (tethering mode)
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 006: ID 13ba:0018 PCPlay Barcode PCP-BCG4209
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
Bus 001 Device 003: ID 13d3:5710 IMC Networks UVC VGA Webcam
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
03:00.0 Network controller [0280]: Ralink corp. RT5390 Wireless 802.11n 1T/1R PCIe [1814:5390]
Subsystem: Foxconn International, Inc. RT5390 Wireless 802.11n 1T/1R PCIe [105b:e054]
Kernel driver in use: rt2800pci
Kernel modules: rt2800pci
--
05:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0)
Subsystem: ASUSTeK Computer Inc. AR8151 v2.0 Gigabit Ethernet [1043:13c7]
Kernel driver in use: atl1c
Kernel modules: atl1c
>> sudo lshw -C network
*-network
description: Wireless interface
product: RT5390 Wireless 802.11n 1T/1R PCIe
vendor: Ralink corp.
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 00
serial: e0:06:e6:9c:1a:f2
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rt2800pci driverversion=5.4.0-42-generic firmware=0.40 ip=192.168.1.36 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:17 memory:dea00000-dea0ffff
*-network
description: Ethernet interface
product: AR8151 v2.0 Gigabit Ethernet
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:05:00.0
logical name: enp5s0
version: c0
serial: 30:85:a9:06:5e:9d
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.1-NAPI latency=0 link=no multicast=yes port=twisted pair
resources: irq:39 memory:dd600000-dd63ffff ioport:9000(size=128)
*-network
description: Ethernet interface
physical id: 1
bus info: usb@2:1.1
logical name: usb0
serial: ce:a3:4a:37:60:c3
capabilities: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.139 link=yes multicast=yes
>> lsmod | sort
ahci 40960 2
atl1c 53248 0
autofs4 45056 2
ccm 20480 3
cdc_ether 20480 1 rndis_host
cfg80211 704512 2 rt2x00lib,mac80211
coretemp 20480 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 1 ghash_clmulni_intel
drm 491520 17 drm_kms_helper,radeon,ttm
drm_kms_helper 184320 1 radeon
eeprom_93cx6 16384 1 rt2800pci
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
hid 131072 2 usbhid,hid_generic
hid_generic 16384 0
i2c_algo_bit 16384 1 radeon
i2c_i801 32768 0
input_leds 16384 0
intel_cstate 20480 0
intel_powerclamp 20480 0
intel_rapl_common 24576 1 intel_rapl_msr
intel_rapl_msr 20480 0
intel_rapl_perf 20480 0
ip_tables 32768 0
joydev 24576 0
kvm 663552 1 kvm_intel
kvm_intel 282624 0
ledtrig_audio 16384 2 snd_hda_codec_generic,snd_hda_codec_realtek
libahci 32768 1 ahci
libarc4 16384 1 mac80211
lp 20480 0
lpc_ich 24576 0
mac80211 843776 3 rt2x00pci,rt2x00lib,rt2800lib
mac_hid 16384 0
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mei 106496 3 mei_hdcp,mei_me
mei_hdcp 24576 0
mei_me 40960 1
mii 20480 1 usbnet
Module Size Used by
nls_iso8859_1 16384 1
parport 53248 3 parport_pc,lp,ppdev
parport_pc 40960 0
ppdev 24576 0
psmouse 155648 0
radeon 1474560 55
rndis_host 20480 0
rt2800lib 131072 2 rt2800mmio,rt2800pci
rt2800mmio 20480 1 rt2800pci
rt2800pci 16384 0
rt2x00lib 61440 5 rt2x00mmio,rt2x00pci,rt2800mmio,rt2800pci,rt2800lib
rt2x00mmio 16384 2 rt2800mmio,rt2800pci
rt2x00pci 16384 1 rt2800pci
sch_fq_codel 20480 7
serio_raw 20480 0
snd 90112 21 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi
snd_hda_codec 131072 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 61440 1
snd_hda_codec_realtek 122880 1
snd_hda_core 90112 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel 53248 5
snd_hwdep 20480 1 snd_hda_codec
snd_intel_dspcfg 24576 1 snd_hda_intel
snd_pcm 106496 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd_rawmidi 36864 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi 20480 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_timer 36864 2 snd_seq,snd_pcm
soundcore 16384 1 snd
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
ttm 106496 1 radeon
uas 28672 0
usbhid 57344 0
usbnet 45056 2 rndis_host,cdc_ether
usb_storage 77824 1 uas
uvcvideo 98304 0
video 49152 0
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 225280 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 32768 0
x86_pkg_temp_thermal 20480 0
x_tables 40960 1 ip_tables
>> iwconfig
wlp3s0 IEEE 802.11 ESSID:"SFR_EAE0"
Mode:Managed Frequency:2.462 GHz Access Point: E4:5D:51:1E:EA:E6
Bit Rate=72.2 Mb/s Tx-Power=20 dBm
Retry short long limit:2 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=47/70 Signal level=-63 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:2 Invalid misc:35 Missed beacon:0
>> ifconfig -a
>> sudo iwlist scan
wlp3s0 Scan completed :
Cell 01 - Address: E4:5D:51:1E:EA:E6
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=51/70 Signal level=-59 dBm
Encryption key:on
ESSID:"SFR_EAE0"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=0000017d70e50bce
Extra: Last beacon: 300400ms ago
IE: Unknown: 00085346525F45414530
IE: Unknown: 010882848B962430486C
IE: Unknown: 03010B
IE: Unknown: 2A0104
IE: Unknown: 32040C121860
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: 0B0504001C0000
IE: Unknown: 46053208010000
IE: Unknown: 2D1ABC081BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D160B000400000000000000000000000000000000000000
IE: Unknown: 7F080400080000000040
IE: Unknown: DD8D0050F204104A0001101044000102103B00010310470010000000000000000000000000000000001021000D4E42365641432D4658432D72301023000D4E42365641432D4658432D72301024000D4E42365641432D4658432D72301042000C4534354435313145454145301054000800060050F2040001101100085346525F45414530100800020480103C000101
IE: Unknown: DD090010180204000C0000
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
>> uname -r -m
5.4.0-42-generic x86_64
>> cat /etc/network/interfaces
>> nm-tool
>> nmcli dev wifi
IN-USE BSSID SSID MODE CHAN RATE SIGNAL BARS SECURITY
* E4:5D:51:1E:EA:E6 SFR_EAE0 Infra 11 130 Mbit/s 69 ▂▄▆_ WPA1 WPA2
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Wired connection 2 8a1e3a9d-33dd-31ce-bd49-043bf1cc76a6 ethernet usb0
SFR_EAE0 9396caf0-56f9-4eaa-b691-84d517004948 wifi wlp3s0
Wired connection 1 db8363c6-0540-3fae-993c-156a532c33b8 ethernet --
>> nmcli connection status
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no