le resultat du wifi check
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04 LTS"
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 5986:210f Acer, Inc
Bus 001 Device 004: ID 0bda:0821 Realtek Semiconductor Corp.
Bus 001 Device 003: ID 058f:6387 Alcor Micro Corp. Flash Drive
Bus 001 Device 002: ID 1ea7:0064
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
01:00.0 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:388a]
Kernel driver in use: r8169
Kernel modules: r8169
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821AE 802.11ac PCIe Wireless Network Adapter [10ec:8821]
Subsystem: Lenovo RTL8821AE 802.11ac PCIe Wireless Network Adapter [17aa:a814]
Kernel driver in use: rtl8821ae
Kernel modules: rtl8821ae, wl
>> 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@0000:01:00.0
nom logique: enp1s0
version: 10
numéro de série: 54:e1:ad:c5:14:1b
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-3_0.0.1 04/23/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:126 portE/S:4000(taille=256) mémoire:a1104000-a1104fff mémoire:a1100000-a1103fff
*-network
description: Interface réseau sans fil
produit: RTL8821AE 802.11ac PCIe Wireless Network Adapter
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlp2s0
version: 00
numéro de série: 60:14:b3:c9:65:11
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8821ae driverversion=4.15.0-21-generic firmware=N/A ip=192.168.43.141 latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources: irq:129 portE/S:3000(taille=256) mémoire:a1000000-a1003fff
>> lsmod
Module Size Used by
msr 16384 0
ccm 20480 9
rfcomm 77824 4
deflate 16384 0
twofish_generic 20480 0
twofish_avx_x86_64 57344 0
twofish_x86_64_3way 32768 1 twofish_avx_x86_64
twofish_x86_64 16384 2 twofish_x86_64_3way,twofish_avx_x86_64
twofish_common 24576 4 twofish_generic,twofish_x86_64_3way,twofish_avx_x86_64,twofish_x86_64
camellia_generic 32768 0
camellia_aesni_avx2 32768 0
camellia_aesni_avx_x86_64 32768 1 camellia_aesni_avx2
camellia_x86_64 57344 2 camellia_aesni_avx_x86_64,camellia_aesni_avx2
serpent_avx2 53248 0
serpent_avx_x86_64 53248 1 serpent_avx2
serpent_sse2_x86_64 57344 0
serpent_generic 28672 3 serpent_sse2_x86_64,serpent_avx_x86_64,serpent_avx2
lrw 20480 8 serpent_sse2_x86_64,camellia_aesni_avx_x86_64,serpent_avx_x86_64,camellia_x86_64,camellia_aesni_avx2,twofish_x86_64_3way,twofish_avx_x86_64,serpent_avx2
blowfish_generic 16384 0
blowfish_x86_64 24576 0
blowfish_common 20480 2 blowfish_generic,blowfish_x86_64
cast5_avx_x86_64 53248 0
cast5_generic 24576 1 cast5_avx_x86_64
cast_common 16384 2 cast5_avx_x86_64,cast5_generic
ablk_helper 16384 7 serpent_sse2_x86_64,camellia_aesni_avx_x86_64,serpent_avx_x86_64,camellia_aesni_avx2,twofish_avx_x86_64,serpent_avx2,cast5_avx_x86_64
des_generic 24576 0
cmac 16384 0
xcbc 16384 0
rmd160 20480 0
af_key 36864 2
xfrm_algo 16384 1 af_key
bnep 20480 2
nls_iso8859_1 16384 1
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
videodev 184320 3 uvcvideo,videobuf2_core,videobuf2_v4l2
media 40960 2 uvcvideo,videodev
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
bluetooth 548864 33 btrtl,btintel,bnep,btbcm,rfcomm,btusb
ecdh_generic 24576 1 bluetooth
wl 6447104 0
joydev 24576 0
snd_hda_codec_hdmi 49152 1
snd_hda_codec_generic 73728 1
snd_soc_skl 90112 0
snd_soc_skl_ipc 65536 1 snd_soc_skl
snd_hda_ext_core 24576 1 snd_soc_skl
snd_soc_sst_dsp 32768 1 snd_soc_skl_ipc
snd_soc_sst_ipc 16384 1 snd_soc_skl_ipc
snd_soc_acpi 16384 1 snd_soc_skl
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
snd_soc_core 241664 1 snd_soc_skl
intel_powerclamp 16384 0
coretemp 16384 0
snd_compress 20480 1 snd_soc_core
ac97_bus 16384 1 snd_soc_core
snd_pcm_dmaengine 16384 1 snd_soc_core
kvm 593920 0
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
pcbc 16384 0
aesni_intel 188416 6
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
glue_helper 16384 9 serpent_sse2_x86_64,camellia_aesni_avx_x86_64,serpent_avx_x86_64,camellia_x86_64,camellia_aesni_avx2,twofish_x86_64_3way,twofish_avx_x86_64,serpent_avx2,aesni_intel
cryptd 24576 4 crypto_simd,ablk_helper,ghash_clmulni_intel,aesni_intel
intel_cstate 20480 0
intel_rapl_perf 16384 0
arc4 16384 2
snd_hda_intel 40960 3
snd_hda_codec 126976 3 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic
snd_hda_core 81920 6 snd_hda_intel,snd_hda_codec,snd_hda_ext_core,snd_soc_skl,snd_hda_codec_hdmi,snd_hda_codec_generic
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 98304 8 snd_hda_intel,snd_hda_codec,snd_pcm_dmaengine,snd_hda_ext_core,snd_hda_core,snd_soc_skl,snd_hda_codec_hdmi,snd_soc_core
input_leds 16384 0
snd_seq_midi 16384 0
serio_raw 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
intel_wmi_thunderbolt 16384 0
rtl8821ae 233472 0
snd_rawmidi 32768 1 snd_seq_midi
btcoexist 131072 1 rtl8821ae
wmi_bmof 16384 0
rtl_pci 32768 1 rtl8821ae
rtlwifi 77824 3 rtl_pci,btcoexist,rtl8821ae
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
mac80211 778240 3 rtl_pci,rtlwifi,rtl8821ae
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
snd 81920 18 snd_compress,snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_soc_core,snd_pcm
cfg80211 622592 3 wl,mac80211,rtlwifi
soundcore 16384 1 snd
idma64 20480 0
virt_dma 16384 1 idma64
intel_lpss_pci 20480 0
intel_lpss 16384 1 intel_lpss_pci
mei_me 40960 0
mei 90112 1 mei_me
shpchp 36864 0
intel_pch_thermal 16384 0
elan_i2c 36864 0
ideapad_laptop 32768 0
sparse_keymap 16384 1 ideapad_laptop
mac_hid 16384 0
acpi_pad 180224 0
tpm_crb 16384 0
sch_fq_codel 20480 6
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
uas 24576 0
usb_storage 69632 1 uas
usbhid 49152 0
i915 1617920 17
i2c_algo_bit 16384 1 i915
drm_kms_helper 167936 1 i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
r8169 86016 0
mii 16384 1 r8169
drm 401408 6 i915,drm_kms_helper
ahci 36864 2
libahci 32768 1 ahci
i2c_hid 20480 0
wmi 24576 3 wmi_bmof,intel_wmi_thunderbolt,ideapad_laptop
hid 118784 3 i2c_hid,hid_generic,usbhid
video 40960 2 i915,ideapad_laptop
pinctrl_sunrisepoint 28672 0
>> iwconfig
wlp2s0 IEEE 802.11 ESSID:"my-WiFi "
Mode:Managed Frequency:2.462 GHz Access Point: 76:E6:0F:BF:58:AE
Bit Rate=72.2 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:on
Link Quality=70/70 Signal level=-32 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
>> ifconfig -a
>> sudo iwlist scan
wlp2s0 Scan completed :
Cell 01 - Address: 76:E6:0F:BF:58:AE
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=70/70 Signal level=-30 dBm
Encryption key:on
ESSID:"my-WiFi "
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=00000000888ea7cf
Extra: Last beacon: 96ms ago
IE: Unknown: 00086D792D5769466920
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 32043048606C
IE: Unknown: 2A0100
IE: Unknown: 2D1A300103FF00000000000000000000000100000000000000000000
IE: Unknown: 3D160B000400000000000000000000000000000000000000
IE: Unknown: 7F0100
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F204104A00011010440001021049000600372A000120
IE: Unknown: DD07000CE700000000
Cell 02 - Address: 20:89:86:0B:7B:DD
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=50/70 Signal level=-60 dBm
Encryption key:on
ESSID:"Livebox-CISSE"
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=000000008e808191
Extra: Last beacon: 96ms ago
IE: Unknown: 000D4C697665626F782D4349535345
IE: Unknown: 010882848B960C121824
IE: Unknown: 030101
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: DD180050F2020101810003A4000027A4000042435E0062322F00
IE: Unknown: 2D1A0C101BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1601080800000000000000000000000000000000000000
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD0A00037F04010000000000
IE: Unknown: 0706465220010D14
IE: Unknown: DD8A0050F204104A0001101044000102103B00010310470010000000000000100000002089860B7BDD102100035A54451023000F4C697665626F782046545448207632102400085A542E322E302E411042000F4C32305A31343033303030363535301054000800060050F20400011011000F4C697665626F782046545448207632100800020086103C000101
>> uname -r -m
4.15.0-21-generic x86_64
>> cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
auto wlan0
iface wlan0 inet dhcp
>> nm-tool
>> nmcli dev wifi
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
* my-WiFi Infra 11 65 Mo/s 100 ▂▄▆█ WPA2
Livebox-CISSE Infra 1 130 Mo/s 67 ▂▄▆_ WPA1 WPA2
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
my-WiFi 6e6608dc-4d3e-4905-abff-e59bfb603766 wifi wlp2s0
Airbox-2EBC 67bb614c-110b-4a3f-b58f-137e9a4a7802 wifi --
Airbox-56EE aef99eda-3f78-4434-92b5-bbb50c4c8353 wifi --
Airbox-FF2A 2e495b2d-2938-4462-a906-657475d24561 wifi --
Connexion filaire 1 9f6dc321-dda1-3803-9065-c9c0a5548ff4 ethernet --
FGA1 a7d84c9b-2270-4619-83c8-d1da5ebdf109 wifi --
Livebox-CISSE 4da8fbe6-be35-412b-a49f-ab44541f6b2b wifi --
Total Autoroute ea05c7b5-0303-410d-b478-0c505a035407 wifi --
>> nmcli connection status
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
2: ideapad_bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
