>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.2 LTS"
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 0a5c:216d Broadcom Corp.
Bus 001 Device 004: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 003: ID 04f2:b52d Chicony Electronics Co., Ltd
Bus 001 Device 007: ID 04e8:6863 Samsung Electronics Co., Ltd GT-I9500 [Galaxy S4] / GT-I9250 [Galaxy Nexus] (network tethering)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
02:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
Subsystem: Hewlett-Packard Company BCM43142 802.11b/g/n [103c:804a]
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller [10ec:8136] (rev 07)
Subsystem: Hewlett-Packard Company RTL810xE PCI Express Fast Ethernet controller [103c:81f1]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-network NON-RÉCLAMÉ
description: Network controller
produit: BCM43142 802.11b/g/n
fabriquant: Broadcom Inc. and subsidiaries
identifiant matériel: 0
information bus: pci@0000:02:00.0
version: 01
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress cap_list
configuration: latency=0
ressources: mémoire:91200000-91207fff
*-network
description: Ethernet interface
produit: RTL810xE PCI Express Fast Ethernet controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: enp3s0
version: 07
numéro de série: ec:8e:b5:0c:4b:36
taille: 10Mbit/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=half firmware=rtl8106e-1_0.0.1 06/29/12 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:19 portE/S:1000(taille=256) mémoire:91100000-91100fff mémoire:91000000-91003fff
*-network
description: Ethernet interface
identifiant matériel: 3
nom logique: enp0s20u2
numéro de série: 5a:81:23:38:12:93
fonctionnalités: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.105 link=yes multicast=yes
>> lsmod | sort
acpi_thermal_rel 16384 1 int3400_thermal
aesni_intel 188416 2
aes_x86_64 20480 1 aesni_intel
ahci 40960 2
autofs4 40960 2
bluetooth 548864 33 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 20480 2
btbcm 16384 1 btusb
btintel 16384 1 btusb
btrtl 16384 1 btusb
btusb 45056 0
cdc_ether 16384 1 rndis_host
cmac 16384 1
coretemp 16384 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 0
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
crypto_simd 16384 1 aesni_intel
drm 401408 5 drm_kms_helper,i915
drm_kms_helper 167936 1 i915
ecdh_generic 24576 2 bluetooth
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
hp_wireless 16384 0
hp_wmi 16384 0
i2c_algo_bit 16384 1 i915
i915 1617920 10
input_leds 16384 0
int3400_thermal 16384 0
int3403_thermal 16384 0
int340x_thermal_zone 16384 2 int3403_thermal,processor_thermal_device
intel_cstate 20480 0
intel_int0002_vgpio 16384 1
intel_powerclamp 16384 0
intel_rapl 20480 0
intel_soc_dts_iosf 16384 1 processor_thermal_device
ip_tables 28672 0
irqbypass 16384 1 kvm
joydev 24576 0
kvm 598016 0
libahci 32768 1 ahci
lp 20480 0
lpc_ich 24576 0
mac_hid 16384 0
media 40960 2 videodev,uvcvideo
mei 90112 1 mei_txe
mei_txe 20480 0
mii 16384 2 r8169,usbnet
Module Size Used by
nls_iso8859_1 16384 1
parport 49152 3 parport_pc,lp,ppdev
parport_pc 36864 0
pcbc 16384 0
ppdev 20480 0
processor_thermal_device 16384 0
psmouse 147456 0
punit_atom_debug 16384 0
pwm_lpss 16384 1 pwm_lpss_platform
pwm_lpss_platform 16384 0
r8169 86016 0
rfcomm 77824 4
rndis_host 16384 0
sch_fq_codel 20480 3
serio_raw 16384 0
shpchp 36864 0
snd 81920 17 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi
snd_hda_codec 126976 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 49152 1
snd_hda_codec_realtek 106496 1
snd_hda_core 81920 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel 40960 3
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 98304 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 65536 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
soundcore 16384 1 snd
sparse_keymap 16384 1 hp_wmi
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
usbnet 45056 2 rndis_host,cdc_ether
uvcvideo 86016 0
video 45056 1 i915
videobuf2_core 40960 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 16384 1 uvcvideo
videodev 184320 3 videobuf2_core,videobuf2_v4l2,uvcvideo
wmi 24576 2 hp_wmi,wmi_bmof
wmi_bmof 16384 0
x_tables 40960 1 ip_tables
>> iwconfig
>> ifconfig -a
>> sudo iwlist scan
>> uname -r -m
4.15.0-50-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 b213c0b4-702a-3ee9-9345-8806c3991664 ethernet enp0s20u2
Connexion filaire 1 ce88ee30-6c2d-34f4-8424-fdc84ee6a3eb ethernet --
>> nmcli connection status
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
j ai desactive le demarage securise . pas de changement notable