Voilà (attention, comme je ne peux pas faire ça hors-ligne, j'étais connecté sur le net avec ma seconde carte Wi-fi externe) :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.3 LTS"
>> lsusb
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 0bc2:3312 Seagate RSS LLC SRD00F2 Expansion Desktop Drive (STBV)
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 05e3:0745 Genesys Logic, Inc. Logilink CR0012
Bus 003 Device 003: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
Bus 003 Device 002: ID 046d:c069 Logitech, Inc. M-U0007 [Corded Mouse M500]
Bus 003 Device 006: ID 2357:0109
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
Subsystem: Micro-Star International Co., Ltd. [MSI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1462:7823]
Kernel driver in use: r8169
Kernel modules: r8169
04:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] [8086:0082] (rev 34)
Subsystem: Intel Corporation Centrino Advanced-N 6205 AGN [8086:1301]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: enp3s0
version: 0c
numéro de série: 44:8a:5b:9b:a1:97
taille: 10Mbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 duplex=half firmware=rtl8168g-2_0.0.1 02/06/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:16 portE/S:d000(taille=256) mémoire:f7d00000-f7d00fff mémoire:f0000000-f0003fff
*-network
description: Interface réseau sans fil
produit: Centrino Advanced-N 6205 [Taylor Peak]
fabriquant: Intel Corporation
identifiant matériel: 0
information bus: pci@0000:04:00.0
nom logique: wlp4s0
version: 34
numéro de série: e0:9d:31:6b:36:14
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=5.0.0-35-generic firmware=18.168.6.1 latency=0 link=no multicast=yes wireless=IEEE 802.11
ressources: irq:30 mémoire:f7c00000-f7c01fff
*-network
description: Interface réseau sans fil
identifiant matériel: 2
information bus: usb@3:10
nom logique: wlx503eaacdb5b4
numéro de série: 50:3e:aa:cd:b5:b4
fonctionnalités: ethernet physical wireless
configuration: broadcast=yes driver=rtl8192eu ip=192.168.1.61 multicast=yes wireless=IEEE 802.11bgn
>> lsmod | sort
8192eu 1093632 0
aesni_intel 372736 0
aes_x86_64 20480 1 aesni_intel
ahci 40960 1
amdgpu 3522560 0
amd_iommu_v2 20480 1 amdgpu
arc4 16384 2
autofs4 45056 2
cfg80211 679936 4 8192eu,iwldvm,iwlwifi,mac80211
chash 16384 1 amdgpu
coretemp 20480 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
crypto_simd 16384 1 aesni_intel
drm 483328 18 gpu_sched,drm_kms_helper,amdgpu,radeon,ttm
drm_kms_helper 180224 2 amdgpu,radeon
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
gpu_sched 32768 1 amdgpu
hid 126976 2 usbhid,hid_generic
hid_generic 16384 0
i2c_algo_bit 16384 2 amdgpu,radeon
input_leds 16384 0
intel_cstate 20480 0
intel_powerclamp 20480 0
intel_rapl 24576 0
intel_rapl_perf 16384 0
ip_tables 32768 0
irqbypass 16384 1 kvm
iwldvm 233472 0
iwlwifi 315392 1 iwldvm
kvm 647168 1 kvm_intel
kvm_intel 241664 0
ledtrig_audio 16384 2 snd_hda_codec_generic,snd_hda_codec_realtek
libahci 32768 1 ahci
lp 20480 0
lpc_ich 24576 0
mac80211 819200 1 iwldvm
mac_hid 16384 0
mei 106496 1 mei_me
mei_me 40960 0
Module Size Used by
mxm_wmi 16384 0
parport 53248 3 parport_pc,lp,ppdev
parport_pc 36864 1
ppdev 24576 0
r8169 86016 0
radeon 1449984 23
realtek 20480 0
sch_fq_codel 20480 10
serio_raw 20480 0
snd 86016 31 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 135168 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 53248 1
snd_hda_codec_realtek 114688 1
snd_hda_core 86016 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel 49152 10
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 102400 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 102400 2 amdgpu,radeon
uas 24576 1
usbhid 53248 0
usb_storage 69632 1 uas
video 49152 0
wmi 28672 1 mxm_wmi
x86_pkg_temp_thermal 20480 0
x_tables 40960 1 ip_tables
>> iwconfig
wlx503eaacdb5b4 IEEE 802.11bgn ESSID:"******" Nickname:"<WIFI@REALTEK>"
Mode:Managed Frequency:2.437 GHz Access Point: B8:66:85:A4:B6:F0
Bit Rate:144.4 Mb/s Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality=100/100 Signal level=-49 dBm Noise level=0 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
wlp4s0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=15 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
>> ifconfig -a
>> sudo iwlist scan
wlx503eaacdb5b4 Scan completed :
Cell 01 - Address: B8:66:85:A4:B6:F0
ESSID:"******"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.437 GHz (Channel 6)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd160050f20101000050f20401000050f20401000050f202
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD800050F204104A0001101044000102103B0001031047001021DAF261586854C1EA40433836DDDEA61021000842726F6164636F6D1023000842726F6164636F6D1024000631323334353610420004313233341054000800060050F20400011011000A42726F6164636F6D415010080002200C103C0001011049000600372A000120
Quality=100/100 Signal level=-49 dBm
Extra:fm=0003
Cell 02 - Address: 84:A0:6E:DA:CC:80
ESSID:"Bbox-2ECB0496"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd160050f20101000050f20401000050f20401000050f202
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD800050F204104A0001101044000102103B00010310470010AE28A031F9B05D8FE8F4A28EC49198191021000842726F6164636F6D1023000842726F6164636F6D1024000631323334353610420004313233341054000800060050F20400011011000A42726F6164636F6D415010080002200C103C0001011049000600372A000120
Quality=94/100 Signal level=-72 dBm
Extra:fm=0003
Cell 03 - Address: E4:9E:12:EC:AC:2E
ESSID:"FreeWifi_secure"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:300 Mb/s
Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac010c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : 802.1x
Quality=100/100 Signal level=-70 dBm
Extra:fm=0001
Cell 04 - Address: E4:9E:12:EC:AC:2C
ESSID:"Freebox-AAA14D"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:300 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Quality=100/100 Signal level=-70 dBm
Extra:fm=0001
Cell 05 - Address: 68:A3:78:0F:66:6F
ESSID:"FreeWifi_secure"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac010c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : 802.1x
Quality=68/100 Signal level=-74 dBm
Extra:fm=0003
Cell 06 - Address: 68:A3:78:0F:66:6D
ESSID:"Kkfred"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Quality=89/100 Signal level=-71 dBm
Extra:fm=0003
Cell 07 - Address: 96:57:A5:0A:22:2E
ESSID:"DIRECT-2E-HP ENVY Photo 6200"
Protocol:IEEE 802.11gn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DDC00050F204104A0001101044000102103B00010310470010DC5FCC0F72CF5948A32F4CFDEED8885F10210002485010230020454E56592050686F746F203632303020416C6C2D696E2D4F6E65205072696E74102400064B37473231421042000A544837374C315430345A1054000800030050F20400011011001C4449524543542D32452D485020454E56592050686F746F20363230301008000240081049000600372A0001201049001700013710060010DC5FCC0F72CF5948A32F4CFDEED8885F
Quality=100/100 Signal level=-74 dBm
Extra:fm=0003
wlp4s0 No scan results
>> uname -r -m
5.0.0-35-generic x86_64
>> cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
>> nm-tool
>> nmcli dev wifi
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
* ****** Infra 6 130 Mbit/s 71 ▂▄▆_ WPA1 WPA2 [je l'ai remis en WPA1 WPA2 à cause d'un souci de mot de passe]
FreeWifi_secure Infra 1 405 Mbit/s 64 ▂▄▆_ WPA2 802.1X
FreeWifi_secure Infra 11 195 Mbit/s 57 ▂▄▆_ WPA2 802.1X
Freebox-AAA14D Infra 1 405 Mbit/s 50 ▂▄__ WPA2
Bbox-2ECB0496 Infra 1 130 Mbit/s 45 ▂▄__ WPA1 WPA2
Kkfred Infra 11 195 Mbit/s 45 ▂▄__ WPA1
DIRECT-2E-HP ENVY Photo 6200 Infra 11 130 Mbit/s 45 ▂▄__ WPA2
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
******* 27968aa7-a324-4cfc-9315-59c625a3eedb wifi wlx503eaacdb5b4
Bbox-8923C73C e55f01c3-b83c-4b96-898b-83dc57e3838a wifi --
Bbox-8923C73C 1 2514caa4-0ace-4294-b26a-052f8ec341fe wifi --
Connexion filaire 1 5898e470-6e89-3170-a2f9-95b9f56e7297 ethernet --
>> nmcli connection status
>> sudo rfkill list
1: phy1: Wireless LAN
Soft blocked: no
Hard blocked: no
2: phy2: Wireless LAN
Soft blocked: no
Hard blocked: no