J'ai réalisé le wificheck et voila ce que j'ai
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.1 LTS"
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 05c8:03ab Cheng Uei Precision Industry Co., Ltd (Foxlink)
Bus 001 Device 004: ID 0bda:b009 Realtek Semiconductor Corp.
Bus 001 Device 003: ID 062a:5918 Creative Labs
Bus 001 Device 010: ID 12d1:108a Huawei Technologies Co., Ltd.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:83a4]
Kernel driver in use: r8169
Kernel modules: r8169
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:d723]
Subsystem: Hewlett-Packard Company Device [103c:8319]
>> 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@0000:02:00.0
nom logique: eno1
version: 15
numéro de série: b4:b6:86:36:ee:fc
taille: 10Mbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:16 portE/S:4000(taille=256) mémoire:a4104000-a4104fff mémoire:a4100000-a4103fff
*-network NON-RÉCLAMÉ
description: Network controller
produit: Realtek Semiconductor Co., Ltd.
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
version: 00
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress cap_list
configuration: latency=0
ressources: portE/S:3000(taille=256) mémoire:a4000000-a400ffff
*-network
description: Ethernet interface
identifiant matériel: 3
nom logique: enp0s20f0u2
numéro de série: f2:30:b4:1d:6d:10
fonctionnalités: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.18 link=yes multicast=yes
>> lsmod
Module Size Used by
rndis_host 16384 0
cdc_ether 16384 1 rndis_host
usbnet 45056 2 rndis_host,cdc_ether
nls_utf8 16384 0
isofs 45056 0
nouveau 1716224 1
mxm_wmi 16384 1 nouveau
ttm 106496 1 nouveau
bnep 20480 2
nls_iso8859_1 16384 1
uvcvideo 86016 0
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2
videodev 184320 3 uvcvideo,videobuf2_core,videobuf2_v4l2
media 40960 2 uvcvideo,videodev
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
bluetooth 548864 12 btrtl,btintel,bnep,btbcm,btusb
ecdh_generic 24576 1 bluetooth
snd_hda_codec_hdmi 49152 1
snd_hda_codec_realtek 94208 1
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
coretemp 16384 0
kvm 593920 0
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
pcbc 16384 0
aesni_intel 188416 0
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
glue_helper 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
intel_cstate 20480 0
intel_rapl_perf 16384 0
wmi_bmof 16384 0
hp_wmi 16384 0
intel_wmi_thunderbolt 16384 0
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
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
snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
snd_hda_core 81920 7 snd_hda_intel,snd_hda_codec,snd_hda_ext_core,snd_soc_skl,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
snd_hwdep 20480 1 snd_hda_codec
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
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
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 25 snd_compress,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_hda_codec_realtek,snd_soc_core,snd_pcm
kxcjk_1013 20480 0
industrialio_triggered_buffer 16384 1 kxcjk_1013
kfifo_buf 16384 1 industrialio_triggered_buffer
joydev 24576 0
acpi_pad 180224 0
input_leds 16384 0
serio_raw 16384 0
mei_me 40960 0
soundcore 16384 1 snd
processor_thermal_device 16384 0
industrialio 69632 3 kxcjk_1013,industrialio_triggered_buffer,kfifo_buf
shpchp 36864 0
mei 90112 1 mei_me
intel_pch_thermal 16384 0
int340x_thermal_zone 16384 1 processor_thermal_device
intel_soc_dts_iosf 16384 1 processor_thermal_device
wmi 24576 5 wmi_bmof,intel_wmi_thunderbolt,mxm_wmi,nouveau,hp_wmi
int3400_thermal 16384 0
intel_vbtn 16384 0
acpi_thermal_rel 16384 1 int3400_thermal
tpm_crb 16384 0
sparse_keymap 16384 2 intel_vbtn,hp_wmi
hp_accel 28672 0
lis3lv02d 20480 1 hp_accel
input_polldev 16384 1 lis3lv02d
hp_wireless 16384 0
mac_hid 16384 0
sch_fq_codel 20480 3
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
hid_generic 16384 0
uas 24576 0
usbhid 49152 0
hid 118784 2 hid_generic,usbhid
usb_storage 69632 1 uas
i915 1617920 27
i2c_algo_bit 16384 2 nouveau,i915
drm_kms_helper 172032 2 nouveau,i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
psmouse 147456 0
sysimgblt 16384 1 drm_kms_helper
r8169 86016 0
fb_sys_fops 16384 1 drm_kms_helper
mii 16384 2 r8169,usbnet
drm 401408 19 nouveau,i915,ttm,drm_kms_helper
ahci 36864 2
libahci 32768 1 ahci
video 45056 2 nouveau,i915
>> iwconfig
>> ifconfig -a
>> sudo iwlist scan
>> uname -r -m
4.15.0-30-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
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Connexion filaire 2 c054154c-8a0f-399d-a811-0f3d1a66d501 ethernet enp0s20f0u2
Connexion filaire 1 2274e703-3a40-34d8-a972-ccdbb16bf419 ethernet --
>> nmcli connection status
>> sudo rfkill list
1: hci0: Bluetooth
Soft blocked: no
Hard blocked: no