merci xubu voila le log
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.10
DISTRIB_CODENAME=cosmic
DISTRIB_DESCRIPTION="Ubuntu 18.10"
>> lsusb
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
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 005: ID 1a2c:2124 China Resource Semico Co., Ltd
Bus 003 Device 004: ID 1e4e:0110 Cubeternet
Bus 003 Device 006: ID 2357:0109
Bus 003 Device 002: ID 1a2c:0042 China Resource Semico Co., Ltd
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
Subsystem: Gigabyte Technology Co., Ltd Onboard Ethernet [1458:e000]
Kernel driver in use: r8169
Kernel modules: r8169
04:00.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev 41)
>> 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@0000:03:00.0
nom logique: enp3s0
version: 0c
numéro de série: 40:8d:5c:97:03:59
taille: 10Mbit/s
capacité: 1Gbit/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 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168g-2_0.0.1 02/06/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:25 portE/S:d000(taille=256) mémoire:f7800000-f7800fff mémoire:ea100000-ea103fff
*-network
description: Interface réseau sans fil
identifiant matériel: 2
information bus: usb@3:3
nom logique: wlx18d6c714dc59
numéro de série: 18:d6:c7:14:dc:59
fonctionnalités: ethernet physical wireless
configuration: broadcast=yes driver=rtl8xxxu driverversion=4.18.0-12-generic firmware=N/A ip=192.168.1.2 link=yes multicast=yes wireless=IEEE 802.11
>> lsmod
Module Size Used by
ccm 20480 6
nls_iso8859_1 16384 1
8192eu 1101824 0
arc4 16384 2
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
coretemp 16384 0
kvm_intel 208896 0
kvm 622592 1 kvm_intel
snd_hda_codec_realtek 106496 1
rtl8xxxu 122880 0
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
uvcvideo 98304 0
ghash_clmulni_intel 16384 0
cryptd 24576 1 ghash_clmulni_intel
mac80211 794624 1 rtl8xxxu
videobuf2_vmalloc 16384 1 uvcvideo
intel_cstate 20480 0
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
intel_rapl_perf 16384 0
videobuf2_common 45056 2 videobuf2_v4l2,uvcvideo
videodev 188416 3 videobuf2_v4l2,uvcvideo,videobuf2_common
cfg80211 663552 2 8192eu,mac80211
snd_hda_codec_hdmi 49152 2
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
joydev 20480 0
input_leds 16384 0
media 40960 2 videodev,uvcvideo
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_hda_intel 40960 5
snd_rawmidi 32768 1 snd_seq_midi
snd_hda_codec 126976 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_core 81920 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
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_seq 65536 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
mei_me 40960 0
snd_timer 32768 2 snd_seq,snd_pcm
mei 98304 1 mei_me
nouveau 1875968 12
i915 1740800 2
mxm_wmi 16384 1 nouveau
wmi 24576 2 mxm_wmi,nouveau
ttm 106496 1 nouveau
mac_hid 16384 0
video 45056 2 i915,nouveau
snd 81920 21 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
drm_kms_helper 172032 2 i915,nouveau
drm 458752 8 drm_kms_helper,i915,ttm,nouveau
i2c_algo_bit 16384 2 i915,nouveau
fb_sys_fops 16384 1 drm_kms_helper
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
soundcore 16384 1 snd
sch_fq_codel 20480 6
parport_pc 36864 1
ppdev 20480 0
lp 20480 0
parport 49152 3 parport_pc,lp,ppdev
ip_tables 24576 0
x_tables 40960 1 ip_tables
autofs4 40960 2
hid_generic 16384 0
usbhid 49152 0
hid 126976 2 usbhid,hid_generic
gpio_ich 16384 0
i2c_i801 28672 0
ahci 40960 3
lpc_ich 24576 0
libahci 32768 1 ahci
r8169 86016 0
mii 16384 1 r8169
>> iwconfig
wlx18d6c714dc59 IEEE 802.11 ESSID:"D-Link"
Mode:Managed Frequency:2.412 GHz Access Point: 74:DA:DA:5A:34:78
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=16/70 Signal level=-94 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:21 Missed beacon:0
>> ifconfig -a
enp3s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 40:8d:5c:97:03:59 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
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 1564 bytes 119380 (119.3 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1564 bytes 119380 (119.3 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlx18d6c714dc59: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.2 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::ddc3:d163:69f6:8637 prefixlen 64 scopeid 0x20<link>
ether 18:d6:c7:14:dc:59 txqueuelen 1000 (Ethernet)
RX packets 7900 bytes 4914146 (4.9 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 6985 bytes 1036788 (1.0 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>> sudo iwlist scan
wlx18d6c714dc59 Scan completed :
Cell 01 - Address: 74:DA:DA:5A:34:78
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=20/70 Signal level=-90 dBm
Encryption key:on
ESSID:"D-Link"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000000ebfab5782
Extra: Last beacon: 12ms ago
IE: Unknown: 0006442D4C696E6B
IE: Unknown: 010882848B960C121824
IE: Unknown: 030101
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1A2C181FFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1601001100000000000000000000000000000000000000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
IE: Unknown: DD1E00904C332C181FFFFF000000000000000000000000000000000000000000
IE: Unknown: DD1A00904C3401001100000000000000000000000000000000000000
IE: Unknown: DD0600E04C020160
>> uname -r -m
4.18.0-12-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
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
* D-Link Infra 1 130 Mo/s 17 ▂___ WPA2
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
D-Link aa0a8bec-6215-4f69-989c-724ab0c30e44 wifi wlx18d6c714dc59
A Mobile (Auchan Telecom) Par défaut 31529050-a83b-436c-acef-25e222b0f141 gsm --
Connexion filaire 1 76b7027d-d87a-368a-bfe2-96823893f9ab ethernet --
>> nmcli connection status
>> sudo rfkill list
1: phy1: Wireless LAN
Soft blocked: no
Hard blocked: no