Bon j'ai réussi à faire un partage de connexion ! 😃
Je vous donne le résultat du wificheck :
>> 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 13d3:5727 IMC Networks
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 105b:e065 Foxconn International, Inc. BCM43142A0 Bluetooth module
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 008: ID 04e8:6863 Samsung Electronics Co., Ltd GT-I9500 [Galaxy S4] / GT-I9250 [Galaxy Nexus] (network tethering)
Bus 005 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]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
Subsystem: Lenovo BCM43142 802.11b/g/n [17aa:0621]
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [17aa:3812]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
>> lsmod | sort
aesni_intel 372736 2
aes_x86_64 20480 1 aesni_intel
ahci 40960 2
amd_freq_sensitivity 16384 0
amdgpu 3497984 0
amd_iommu_v2 20480 1 amdgpu
autofs4 45056 2
bluetooth 557056 43 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 2
btbcm 16384 1 btusb
btintel 24576 1 btusb
btrtl 20480 1 btusb
btusb 49152 0
ccp 86016 0
cdc_ether 20480 1 rndis_host
chash 16384 1 amdgpu
cmac 16384 1
cqhci 28672 1 sdhci_pci
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 479232 18 gpu_sched,drm_kms_helper,amdgpu,radeon,ttm
drm_kms_helper 180224 2 amdgpu,radeon
ecdh_generic 28672 2 bluetooth
edac_mce_amd 28672 0
fam15h_power 16384 0
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
i2c_piix4 28672 0
ideapad_laptop 36864 0
input_leds 16384 0
ip_tables 32768 0
irqbypass 16384 1 kvm
joydev 28672 0
k10temp 16384 0
kvm 626688 0
ledtrig_audio 16384 2 snd_hda_codec_generic,snd_hda_codec_conexant
libahci 32768 1 ahci
lp 20480 0
mac_hid 16384 0
media 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mii 16384 1 usbnet
Module Size Used by
nls_iso8859_1 16384 1
parport 53248 3 parport_pc,lp,ppdev
parport_pc 36864 0
ppdev 24576 0
psmouse 151552 0
r8169 81920 0
radeon 1449984 22
realtek 20480 0
rfcomm 77824 16
rndis_host 20480 0
sch_fq_codel 20480 3
sdhci 57344 1 sdhci_pci
sdhci_pci 45056 0
serio_raw 20480 0
snd 86016 27 snd_hda_codec_generic,snd_seq,snd_hda_codec_conexant,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_pcm,snd_rawmidi
snd_hda_codec 131072 4 snd_hda_codec_generic,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel
snd_hda_codec_conexant 24576 1
snd_hda_codec_generic 77824 1 snd_hda_codec_conexant
snd_hda_codec_hdmi 53248 1
snd_hda_core 86016 5 snd_hda_codec_generic,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_hda_intel 40960 8
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
sparse_keymap 16384 1 ideapad_laptop
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 0
usbhid 53248 0
usbnet 45056 2 rndis_host,cdc_ether
usb_storage 69632 1 uas
uvcvideo 94208 0
video 49152 1 ideapad_laptop
videobuf2_common 45056 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 200704 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 28672 1 ideapad_laptop
x_tables 40960 1 ip_tables
>> iwconfig
>> ifconfig -a
>> sudo iwlist scan
>> uname -r -m
5.0.0-23-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 1acb5af4-e9e9-3db3-b79c-5b0be869aacd ethernet enp0s16f0u1
Connexion filaire 1 ff374229-f77b-33d1-b371-415a2c167aee ethernet --
>> nmcli connection status
>> sudo rfkill list
0: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no