Voila ce que donne le wificheck ...
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04 LTS"
>> lsusb
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 001 Device 004: ID 0603:8b03 Novatek Microelectronics Corp.
Bus 001 Device 003: ID 413c:2003 Dell Computer Corp. Keyboard
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
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 0846:9020 NetGear, Inc. WNA3100(v1) Wireless-N 300 [Broadcom BCM43231]
Bus 003 Device 002: ID 413c:3012 Dell Computer Corp. Optical Wheel Mouse
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
00:19.0 Ethernet controller [0200]: Intel Corporation 82579LM Gigabit Network Connection [8086:1502] (rev 04)
Subsystem: Hewlett-Packard Company 82579LM Gigabit Network Connection (Lewisville) [103c:3399]
Kernel driver in use: e1000e
Kernel modules: e1000e
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #2
[8086:1e2d] (rev 04)
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: 82579LM Gigabit Network Connection
fabriquant: Intel Corporation
identifiant matériel: 19
information bus: pci@0000:00:19.0
nom logique: eno1
version: 04
numéro de série: 9c:8e:99:f5:9c:23
taille: 100Mbit/s
capacité: 1Gbit/s
bits: 32 bits
horloge: 33MHz
fonctionnalités: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd
autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k duplex=full firmwa
re=0.13-4 ip=192.168.0.18 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
ressources: irq:26 mémoire:f7c00000-f7c1ffff mémoire:f7c39000-f7c39fff portE/S:f080(taille=32)
>> lsmod
Module Size Used by
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
input_leds 16384 0
videodev 184320 3 uvcvideo,videobuf2_core,videobuf2_v4l2
media 40960 2 uvcvideo,videodev
snd_hda_codec_hdmi 49152 1
snd_hda_codec_idt 57344 1
snd_hda_codec_generic 73728 1 snd_hda_codec_idt
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
coretemp 16384 0
kvm_intel 204800 0
kvm 593920 1 kvm_intel
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
snd_hda_intel 40960 3
snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_idt,snd_hda_codec_hdmi,snd_hda_codec_generic
pcbc 16384 0
snd_hda_core 81920 5 snd_hda_intel,snd_hda_codec,snd_hda_codec_idt,snd_hda_codec_hdmi,snd_hda_code
c_generic
snd_hwdep 20480 1 snd_hda_codec
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
snd_rawmidi 32768 1 snd_seq_midi
aesni_intel 188416 0
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
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
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
hp_wmi 16384 0
sparse_keymap 16384 1 hp_wmi
wmi_bmof 16384 0
serio_raw 16384 0
snd 81920 17 snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_hda_codec_idt,snd_timer,sn
d_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_pcm
lpc_ich 24576 0
soundcore 16384 1 snd
mei_me 40960 0
mei 90112 1 mei_me
ie31200_edac 16384 0
tpm_infineon 20480 0
mac_hid 16384 0
sch_fq_codel 20480 2
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
usbhid 49152 0
hid 118784 2 hid_generic,usbhid
i915 1617920 14
i2c_algo_bit 16384 1 i915
drm_kms_helper 172032 1 i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
psmouse 147456 0
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
ahci 36864 1
e1000e 249856 0
libahci 32768 1 ahci
drm 401408 6 i915,drm_kms_helper
ptp 20480 1 e1000e
pps_core 20480 1 ptp
wmi 24576 2 wmi_bmof,hp_wmi
video 45056 1 i915
>> iwconfig
>> ifconfig -a
>> sudo iwlist scan
>> uname -r -m
4.15.0-29-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 1 54ab1a38-6b82-33ec-9b2c-3d990dcf2873 ethernet eno1
>> nmcli connection status
>> sudo rfkill list