Autant pour moi, je ne connaissais pas cette manipulation.
Voici le résultat :
>> 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 003: ID 5986:0137 Acer, Inc
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 002: ID 046d:c05b Logitech, Inc. M-U0004 810-001317 [B110 Optical USB Mouse]
Bus 005 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 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>> lspci -k -nn | grep -A 3 -i net
02:00.0 Network controller [0280]: Broadcom Limited BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
Subsystem: Hewlett-Packard Company BCM4312 802.11b/g LP-PHY [103c:1508]
Kernel driver in use: b43-pci-bridge
Kernel modules: ssb
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 02)
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:3624]
Kernel driver in use: r8169
Kernel modules: r8169
06:00.0 FireWire (IEEE 1394) [0c00]: JMicron Technology Corp. IEEE 1394 Host Controller [197b:2380]
>> sudo lshw -C network
*-network
description: Network controller
produit: BCM4312 802.11b/g LP-PHY
fabriquant: Broadcom Limited
identifiant matériel: 0
information bus: pci@0000:02:00.0
version: 01
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list
configuration: driver=b43-pci-bridge latency=0
ressources: irq:16 mémoire:d9000000-d9003fff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: enp3s0
version: 02
numéro de série: 00:23:8b:7a:29:e4
taille: 100Mbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix vpd bus_master cap_list rom 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=full ip=192.168.1.15 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
ressources: irq:17 portE/S:5000(taille=256) mémoire:d1010000-d1010fff mémoire:d1000000-d100ffff mémoire:d8000000-d800ffff
>> lsmod | sort
ahci 40960 1
autofs4 40960 2
b43 413696 0
bcma 57344 1 b43
cfg80211 667648 2 b43,mac80211
coretemp 16384 0
cqhci 24576 1 sdhci_pci
crc_itu_t 16384 1 firewire_core
drm 458752 7 drm_kms_helper,radeon,ttm
drm_kms_helper 172032 1 radeon
ene_ir 20480 0
fb_sys_fops 16384 1 drm_kms_helper
firewire_core 65536 1 firewire_ohci
firewire_ohci 40960 0
gpio_ich 16384 0
hid 122880 2 usbhid,hid_generic
hid_generic 16384 0
hp_accel 28672 0
hp_wmi 16384 0
i2c_algo_bit 16384 1 radeon
input_leds 16384 0
input_polldev 16384 1 lis3lv02d
ip_tables 28672 0
ir_rc6_decoder 16384 0
jmb38x_ms 20480 0
joydev 24576 0
libahci 32768 1 ahci
lis3lv02d 20480 1 hp_accel
lp 20480 0
lpc_ich 24576 0
mac80211 802816 1 b43
mac_hid 16384 0
media 40960 2 videodev,uvcvideo
memstick 16384 1 jmb38x_ms
mii 16384 1 r8169
Module Size Used by
parport 49152 3 parport_pc,lp,ppdev
parport_pc 36864 0
ppdev 20480 0
psmouse 151552 0
r8169 86016 0
radeon 1458176 5
rc_core 45056 4 ir_rc6_decoder,rc_rc6_mce,ene_ir
rc_rc6_mce 16384 0
sch_fq_codel 20480 2
sdhci 49152 1 sdhci_pci
sdhci_pci 36864 0
serio_raw 16384 0
snd 81920 19 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_pcm,snd_hda_codec_idt,snd_rawmidi
snd_hda_codec 126976 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_idt
snd_hda_codec_generic 73728 1 snd_hda_codec_idt
snd_hda_codec_hdmi 49152 1
snd_hda_codec_idt 57344 1
snd_hda_core 81920 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_idt
snd_hda_intel 40960 4
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
ssb 57344 1 b43
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
ttm 110592 1 radeon
usbhid 49152 0
uvcvideo 94208 0
video 45056 0
videobuf2_common 40960 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 16384 1 uvcvideo
videodev 188416 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 24576 2 hp_wmi,wmi_bmof
wmi_bmof 16384 0
x_tables 40960 1 ip_tables
>> iwconfig
>> ifconfig -a
enp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.15 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::7df4:c9d0:a46c:fc8 prefixlen 64 scopeid 0x20<link>
ether 00:23:8b:7a:29:e4 txqueuelen 1000 (Ethernet)
RX packets 19883 bytes 19558481 (19.5 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 16261 bytes 1978217 (1.9 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Boucle locale)
RX packets 1484 bytes 159418 (159.4 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1484 bytes 159418 (159.4 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>> sudo iwlist scan
>> uname -r -m
4.18.0-15-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 bdfa37d4-6db2-3b2e-8b81-774f47d622c1 ethernet enp3s0
Connexion Wi-Fi 1 5a5edcca-5272-4187-8376-d32329a26ad0 wifi --
>> nmcli connection status
>> sudo rfkill list
0: hp-wifi: Wireless LAN
Soft blocked: no
Hard blocked: no