Voilà ce qui sort :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04 LTS"
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0bda:0821 Realtek Semiconductor Corp.
Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 002: ID 04f2:b581 Chicony Electronics Co., Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
Subsystem: Lenovo RTL810xE PCI Express Fast Ethernet controller [17aa:383b]
Kernel driver in use: r8169
Kernel modules: r8169
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821AE 802.11ac PCIe Wireless Network Adapter [10ec:8821]
Subsystem: Lenovo RTL8821AE 802.11ac PCIe Wireless Network Adapter [17aa:a814]
Kernel driver in use: rtl8821ae
Kernel modules: rtl8821ae
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:01:00.0
nom logique: enp1s0
version: 07
numéro de série: fc:45:96:91:5e:b6
taille: 100Mbit/s
capacité: 100Mbit/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 autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8106e-1_0.0.1 06/29/12 ip=192.168.1.23 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
ressources: irq:124 portE/S:5000(taille=256) mémoire:a3200000-a3200fff mémoire:a3000000-a3003fff
*-network
description: Interface réseau sans fil
produit: RTL8821AE 802.11ac PCIe Wireless Network Adapter
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlp2s0
version: 00
numéro de série: c8:3d:d4:99:98:2b
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8821ae driverversion=4.15.0-22-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
ressources: irq:127 portE/S:4000(taille=256) mémoire:a3100000-a3103fff
>> lsmod
Module Size Used by
ccm 20480 0
rfcomm 77824 4
cmac 16384 1
bnep 20480 2
nls_iso8859_1 16384 1
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
coretemp 16384 0
kvm 593920 0
snd_hda_codec_hdmi 49152 1
snd_hda_codec_conexant 24576 1
irqbypass 16384 1 kvm
snd_hda_codec_generic 73728 1 snd_hda_codec_conexant
snd_soc_skl 90112 0
snd_soc_skl_ipc 65536 1 snd_soc_skl
snd_hda_ext_core 24576 1 snd_soc_skl
snd_soc_sst_dsp 32768 1 snd_soc_skl_ipc
crct10dif_pclmul 16384 0
snd_soc_sst_ipc 16384 1 snd_soc_skl_ipc
snd_soc_acpi 16384 1 snd_soc_skl
snd_soc_core 241664 1 snd_soc_skl
snd_compress 20480 1 snd_soc_core
ac97_bus 16384 1 snd_soc_core
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_hda_intel 40960 6
crc32_pclmul 16384 0
arc4 16384 2
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
uvcvideo 86016 0
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
ghash_clmulni_intel 16384 0
snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_codec_generic
snd_hda_core 81920 7 snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec,snd_hda_ext_core,snd_soc_skl,snd_hda_codec_hdmi,snd_hda_codec_generic
snd_hwdep 20480 1 snd_hda_codec
rtl8821ae 233472 0
btcoexist 131072 1 rtl8821ae
rtl_pci 32768 1 rtl8821ae
videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2
videodev 184320 3 uvcvideo,videobuf2_core,videobuf2_v4l2
rtsx_usb_ms 20480 0
media 40960 2 uvcvideo,videodev
memstick 16384 1 rtsx_usb_ms
btintel 16384 1 btusb
rtlwifi 77824 3 rtl_pci,btcoexist,rtl8821ae
pcbc 16384 0
snd_pcm 98304 8 snd_hda_intel,snd_hda_codec,snd_pcm_dmaengine,snd_hda_ext_core,snd_hda_core,snd_soc_skl,snd_hda_codec_hdmi,snd_soc_core
bluetooth 548864 33 btrtl,btintel,bnep,btbcm,rfcomm,btusb
mac80211 778240 3 rtl_pci,rtlwifi,rtl8821ae
cfg80211 622592 2 mac80211,rtlwifi
aesni_intel 188416 2
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
aes_x86_64 20480 1 aesni_intel
ecdh_generic 24576 2 bluetooth
crypto_simd 16384 1 aesni_intel
glue_helper 16384 1 aesni_intel
snd_rawmidi 32768 1 snd_seq_midi
input_leds 16384 0
joydev 24576 0
serio_raw 16384 0
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
intel_cstate 20480 0
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
intel_rapl_perf 16384 0
snd_timer 32768 2 snd_seq,snd_pcm
snd 81920 25 snd_compress,snd_hda_intel,snd_hwdep,snd_hda_codec_conexant,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_soc_core,snd_pcm
intel_pch_thermal 16384 0
mei_me 40960 0
mei 90112 1 mei_me
soundcore 16384 1 snd
shpchp 36864 0
intel_wmi_thunderbolt 16384 0
mac_hid 16384 0
tpm_crb 16384 0
acpi_pad 180224 0
sch_fq_codel 20480 6
parport_pc 36864 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,parport_pc,ppdev
ip_tables 28672 0
x_tables 40960 1 ip_tables
autofs4 40960 2
rtsx_usb_sdmmc 28672 0
rtsx_usb 20480 2 rtsx_usb_sdmmc,rtsx_usb_ms
i915 1617920 27
i2c_algo_bit 16384 1 i915
drm_kms_helper 167936 1 i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
psmouse 147456 0
drm 401408 17 i915,drm_kms_helper
r8169 86016 0
ahci 36864 2
libahci 32768 1 ahci
mii 16384 1 r8169
wmi 24576 1 intel_wmi_thunderbolt
video 40960 1 i915
>> iwconfig
wlp2s0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:on
>> ifconfig -a
>> sudo iwlist scan
wlp2s0 Scan completed :
Cell 01 - Address: 00:19:70:95:2A:64
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=70/70 Signal level=-24 dBm
Encryption key:on
ESSID:"Livebox-cd08"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=00000000f73c2c9f
Extra: Last beacon: 72ms ago
IE: Unknown: 000C4C697665626F782D63643038
IE: Unknown: 010882848B960C121824
IE: Unknown: 030106
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: DD180050F20201018D0003A4000027A4000042435E0062322F00
IE: Unknown: 2D1A0C101BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1606080800000000000000000000000000000000000000
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD0A00037F04010000000000
IE: Unknown: 0706465220010D14
Cell 02 - Address: 06:19:70:95:2A:64
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=70/70 Signal level=-22 dBm
Encryption key:off
ESSID:"orange"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=00000000f73d133f
Extra: Last beacon: 72ms ago
IE: Unknown: 00066F72616E6765
IE: Unknown: 010882848B960C121824
IE: Unknown: 030106
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: DD180050F20201018D0003A4000027A4000042435E0062322F00
IE: Unknown: 2D1A0C101BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1606080800000000000000000000000000000000000000
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD0A00037F04010000000000
IE: Unknown: 0706465220010D14
Cell 03 - Address: F4:CA:E5:D8:16:1A
Channel:12
Frequency:2.467 GHz (Channel 12)
Quality=32/70 Signal level=-78 dBm
Encryption key:on
ESSID:"FreeWifi_secure"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s
Bit Rates:18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000006b16b4d8160
Extra: Last beacon: 2456ms ago
IE: Unknown: 000F46726565576966695F736563757265
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 03010C
IE: Unknown: 050401020000
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : 802.1x
IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D160C000000000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
>> uname -r -m
4.15.0-22-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
Livebox-cd08 Infra 6 130 Mo/s 100 ▂▄▆█ WPA2
orange Infra 6 130 Mo/s 100 ▂▄▆█ --
FreeWifi Infra 12 195 Mo/s 40 ▂▄__ --
FreeWifi_secure Infra 12 195 Mo/s 37 ▂▄__ WPA2 802.1X
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Connexion filaire 1 c69f8b08-ec0d-32f8-9b98-b06cc00b2d5f ethernet enp1s0
Bbox-2D16B3 3922de66-a5ac-4a83-bf6c-52e7f08264bf wifi --
FreeWifi 6006502b-8eca-49ba-830f-d7e864270b9a wifi --
Livebox-cd08 846f1988-34af-4bb5-aaba-7e3c6e06e012 wifi --
Livebox-cd08 1 6fcb7913-48b3-4079-97f0-d25049b4a348 wifi --
Livebox-cd08 2 c06619bb-61ae-4b32-afdb-587448a31ed8 wifi --
>> nmcli connection status
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
Merci de ta réactivité !