voili:
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.3 LTS"
>> lsusb
Bus 001 Device 004: ID 13d3:5a02 IMC Networks
Bus 001 Device 003: ID 0bda:0821 Realtek Semiconductor Corp.
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
01:00.0 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
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
Subsystem: Lenovo RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [17aa:3856]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-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@0000:01:00.0
nom logique: wlp1s0
version: 00
numéro de série: 60:14:b3:68:8b:0b
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8821ae driverversion=4.14.0-041400-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
ressources: irq:41 portE/S:2000(taille=256) mémoire:e8c00000-e8c03fff
*-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@0000:02:00.0
nom logique: enp2s0
version: 07
numéro de série: 54:e1:ad:40:30:62
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=192.168.1.15 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
ressources: irq:33 portE/S:1000(taille=256) mémoire:e8b00000-e8b00fff mémoire:e8800000-e8803fff
>> lsmod
Module Size Used by
ccm 20480 0
rfcomm 77824 0
bnep 20480 2
nls_iso8859_1 16384 1
joydev 20480 0
edac_mce_amd 28672 0
kvm 585728 0
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
pcbc 16384 0
arc4 16384 2
aesni_intel 188416 0
rtl8821ae 229376 0
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
uvcvideo 86016 0
glue_helper 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
snd_hda_codec_generic 73728 1
snd_hda_codec_hdmi 49152 1
wmi_bmof 16384 0
btcoexist 167936 1 rtl8821ae
btusb 45056 0
rtl_pci 28672 1 rtl8821ae
btrtl 16384 1 btusb
rtlwifi 98304 3 rtl_pci,btcoexist,rtl8821ae
videobuf2_vmalloc 16384 1 uvcvideo
btbcm 16384 1 btusb
btintel 16384 1 btusb
videobuf2_memops 16384 1 videobuf2_vmalloc
snd_hda_intel 40960 5
snd_hda_codec 126976 3 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic
snd_hda_core 81920 4 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi,snd_hda_codec_generic
input_leds 16384 0
snd_hwdep 20480 1 snd_hda_codec
serio_raw 16384 0
fam15h_power 16384 0
videobuf2_v4l2 24576 1 uvcvideo
mac80211 778240 3 rtl_pci,rtlwifi,rtl8821ae
bluetooth 540672 31 btrtl,btintel,bnep,btbcm,rfcomm,btusb
snd_pcm 98304 4 snd_hda_intel,snd_hda_codec,snd_hda_core,snd_hda_codec_hdmi
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
cfg80211 614400 2 mac80211,rtlwifi
videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2
ecdh_generic 24576 1 bluetooth
videodev 176128 3 uvcvideo,videobuf2_core,videobuf2_v4l2
media 40960 2 uvcvideo,videodev
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
snd 81920 20 snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_pcm
i2c_piix4 24576 0
ideapad_laptop 32768 0
sparse_keymap 16384 1 ideapad_laptop
soundcore 16384 1 snd
elan_i2c 36864 0
shpchp 36864 0
tpm_crb 16384 0
mac_hid 16384 0
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,parport_pc,ppdev
autofs4 40960 2
amdkfd 180224 1
amd_iommu_v2 20480 1 amdkfd
amdgpu 2023424 59
i2c_algo_bit 16384 1 amdgpu
ttm 98304 1 amdgpu
drm_kms_helper 172032 1 amdgpu
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
ahci 36864 3
libahci 32768 1 ahci
fb_sys_fops 16384 1 drm_kms_helper
r8169 81920 0
drm 372736 6 amdgpu,ttm,drm_kms_helper
mii 16384 1 r8169
video 40960 1 ideapad_laptop
i2c_hid 20480 0
wmi 24576 2 wmi_bmof,ideapad_laptop
hid 118784 1 i2c_hid
>> iwconfig
wlp1s0 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
enp2s0 Link encap:Ethernet HWaddr 54:e1:ad:40:30:62
inet adr:192.168.1.15 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::9f81:7dd2:836c:a731/64 Scope:Lien
adr inet6: 2a01:cb05:856e:7100:3934:b70c:8d4:7f1/64 Scope:Global
adr inet6: 2a01:cb05:856e:7100:2531:1623:764d:e0de/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:4195 erreurs:0 :0 overruns:0 frame:0
TX packets:2721 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:3463415 (3.4 MB) Octets transmis:425032 (425.0 KB)
lo Link encap:Boucle locale
inet adr:127.0.0.1 Masque:255.0.0.0
adr inet6: ::1/128 Scope:Hôte
UP LOOPBACK RUNNING MTU:65536 Metric:1
Packets reçus:4082 erreurs:0 :0 overruns:0 frame:0
TX packets:4082 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:373580 (373.5 KB) Octets transmis:373580 (373.5 KB)
wlp1s0 Link encap:Ethernet HWaddr 60:14:b3:68:8b:0b
UP BROADCAST MULTICAST MTU:1500 Metric:1
Packets reçus:115321 erreurs:0 :0 overruns:0 frame:0
TX packets:63837 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:130132535 (130.1 MB) Octets transmis:8112921 (8.1 MB)
>> sudo iwlist scan
wlp1s0 No scan results
>> uname -r -m
4.14.0-041400-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
* SSID MODE CHAN DÉBIT SIGNAL BARS SÉCURITÉ
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NOM UUID TYPE PÉRIPHÉRIQUE
Connexion filaire 1 ad569763-fa42-3160-8f86-c4faaaa6fce8 802-3-ethernet enp2s0
Livebox-A5A2 e1c7c711-4f7b-41e9-8fcc-f7245ab1de5f 802-11-wireless --
>> nmcli connection status
>> sudo rfkill list
0: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no