nany a écritBonjour,
Geronimoh a écrit
Hard blocked: yes
Question bête à laquelle on ne pense pas forcément : y aurait-il quelque part un bouton physique pour désactiver le WiFi ?
J'ai vérifié, mais non je ne vois pas ce fameux bouton physique malheuresement.
>> 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 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
Bus 001 Device 003: ID 1bcf:2883 Sunplus Innovation Technology Inc.
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
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 002: ID 062a:5918 Creative Labs
Bus 003 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]: Ralink corp. RT5390 Wireless 802.11n 1T/1R PCIe [1814:5390]
Subsystem: Foxconn International, Inc. RT5390 Wireless 802.11n 1T/1R PCIe [105b:e054]
Kernel driver in use: rt2800pci
Kernel modules: rt2800pci
03:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8161 Gigabit Ethernet [1969:1091] (rev 10)
Subsystem: ASUSTeK Computer Inc. AR8161 Gigabit Ethernet [1043:14c7]
Kernel driver in use: alx
Kernel modules: alx
>> sudo lshw -C network
*-network DÉSACTIVÉ
description: Interface réseau sans fil
produit: RT5390 Wireless 802.11n 1T/1R PCIe
fabriquant: Ralink corp.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlp2s0
version: 00
numéro de série: 84:4b:f5:a3:e7:db
bits: 32 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rt2800pci driverversion=4.15.0-58-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
ressources: irq:17 mémoire:f7d00000-f7d0ffff
*-network
description: Ethernet interface
produit: AR8161 Gigabit Ethernet
fabriquant: Qualcomm Atheros
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: enp3s0
version: 10
numéro de série: 50:46:5d:4b:75:32
taille: 1Gbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=alx duplex=full ip=192.168.1.26 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
ressources: irq:19 mémoire:f7c00000-f7c3ffff portE/S:e000(taille=128)
>> lsmod | sort
ahci 40960 2
alx 49152 0
arc4 16384 2
asus_nb_wmi 28672 0
asus_wireless 16384 0
asus_wmi 28672 1 asus_nb_wmi
autofs4 40960 2
binfmt_misc 20480 1
cfg80211 622592 2 rt2x00lib,mac80211
coretemp 16384 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 0
cryptd 24576 1 ghash_clmulni_intel
drm 401408 5 drm_kms_helper,i915
drm_kms_helper 172032 1 i915
eeprom_93cx6 16384 1 rt2800pci
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
hid 118784 2 usbhid,hid_generic
hid_generic 16384 0
i2c_algo_bit 16384 1 i915
i915 1617920 4
input_leds 16384 0
intel_cstate 20480 0
intel_powerclamp 16384 0
intel_rapl 20480 0
intel_rapl_perf 16384 0
ip_tables 28672 0
joydev 24576 0
libahci 32768 1 ahci
lp 20480 0
lpc_ich 24576 0
mac80211 782336 3 rt2x00pci,rt2x00lib,rt2800lib
mac_hid 16384 0
mdio 16384 1 alx
media 40960 2 videodev,uvcvideo
mei 90112 1 mei_me
mei_me 40960 0
Module Size Used by
nls_iso8859_1 16384 1
parport 49152 3 parport_pc,lp,ppdev
parport_pc 36864 0
ppdev 20480 0
psmouse 147456 0
rt2800lib 114688 2 rt2800mmio,rt2800pci
rt2800mmio 16384 1 rt2800pci
rt2800pci 16384 0
rt2x00lib 53248 5 rt2x00mmio,rt2x00pci,rt2800mmio,rt2800pci,rt2800lib
rt2x00mmio 16384 2 rt2800mmio,rt2800pci
rt2x00pci 16384 1 rt2800pci
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_timer,snd_hda_codec_via,snd_pcm,snd_rawmidi
snd_hda_codec 126976 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_via
snd_hda_codec_generic 73728 1 snd_hda_codec_via
snd_hda_codec_hdmi 49152 1
snd_hda_codec_via 24576 1
snd_hda_core 81920 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_via
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 asus_wmi
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
uas 24576 0
usbhid 53248 0
usb_storage 69632 1 uas
uvcvideo 86016 0
video 45056 2 asus_wmi,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 188416 3 videobuf2_core,videobuf2_v4l2,uvcvideo
wmi 24576 1 asus_wmi
x86_pkg_temp_thermal 16384 0
x_tables 40960 1 ip_tables
>> iwconfig
wlp2s0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=off
Retry short long limit:2 RTS thr:off Fragment thr:off
Power Management:on
>> ifconfig -a
enp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.26 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 2a01:cb08:70e:6100:70de:262d:d431:9b15 prefixlen 64 scopeid 0x0<global>
inet6 2a01:cb08:70e:6100:548b:54a9:2500:7ffa prefixlen 64 scopeid 0x0<global>
inet6 fe80::7a55:385a:caf7:a668 prefixlen 64 scopeid 0x20<link>
ether 50:46:5d:4b:75:32 txqueuelen 1000 (Ethernet)
RX packets 1748 bytes 1613104 (1.6 MB)
RX errors 0 dropped 5 overruns 0 frame 0
TX packets 1673 bytes 212674 (212.6 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 19
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 677 bytes 53151 (53.1 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 677 bytes 53151 (53.1 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp2s0: flags=4098<BROADCAST,MULTICAST> mtu 1500
ether 84:4b:f5:a3:e7:db 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
>> sudo iwlist scan
>> uname -r -m
4.15.0-58-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
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Ethernet automatique d087a342-ef91-48f3-953d-25c221284cd1 ethernet enp3s0
Bbox-4E1ACDCD f9615907-e1bd-4857-b841-b668700d3688 wifi --
Livebox-8AB4 62181d66-bf63-44f9-895d-3c3cbca38a03 wifi --
freeboxB438 5ef34ffb-291e-458a-a086-048c4704231d wifi --
>> nmcli connection status
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
~$ 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 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
Bus 001 Device 003: ID 1bcf:2883 Sunplus Innovation Technology Inc.
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
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 002: ID 062a:5918 Creative Labs
Bus 003 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]: Ralink corp. RT5390 Wireless 802.11n 1T/1R PCIe [1814:5390]
Subsystem: Foxconn International, Inc. RT5390 Wireless 802.11n 1T/1R PCIe [105b:e054]
Kernel driver in use: rt2800pci
Kernel modules: rt2800pci
03:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8161 Gigabit Ethernet [1969:1091] (rev 10)
Subsystem: ASUSTeK Computer Inc. AR8161 Gigabit Ethernet [1043:14c7]
Kernel driver in use: alx
Kernel modules: alx
~$ lspci -k
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
Subsystem: ASUSTeK Computer Inc. 2nd Generation Core Processor Family DRAM Controller
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
Subsystem: ASUSTeK Computer Inc. 2nd Generation Core Processor Family Integrated Graphics Controller
Kernel driver in use: i915
Kernel modules: i915
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
Subsystem: ASUSTeK Computer Inc. 7 Series/C210 Series Chipset Family USB xHCI Host Controller
Kernel driver in use: xhci_hcd
00:16.0 Communication controller: Intel Corporation 7 Series/C216 Chipset Family MEI Controller #1 (rev 04)
Subsystem: ASUSTeK Computer Inc. 7 Series/C216 Chipset Family MEI Controller
Kernel driver in use: mei_me
Kernel modules: mei_me
00:1a.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #2 (rev 04)
Subsystem: ASUSTeK Computer Inc. 7 Series/C216 Chipset Family USB Enhanced Host Controller
Kernel driver in use: ehci-pci
00:1b.0 Audio device: Intel Corporation 7 Series/C216 Chipset Family High Definition Audio Controller (rev 04)
Subsystem: ASUSTeK Computer Inc. 7 Series/C216 Chipset Family High Definition Audio Controller
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 1 (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.3 PCI bridge: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 4 (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #1 (rev 04)
Subsystem: ASUSTeK Computer Inc. 7 Series/C216 Chipset Family USB Enhanced Host Controller
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge: Intel Corporation HM70 Express Chipset LPC Controller (rev 04)
Subsystem: ASUSTeK Computer Inc. 7 Series Chipset Family LPC Controller
Kernel driver in use: lpc_ich
Kernel modules: lpc_ich
00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
Subsystem: ASUSTeK Computer Inc. 7 Series Chipset Family 6-port SATA Controller [AHCI mode]
Kernel driver in use: ahci
Kernel modules: ahci
00:1f.3 SMBus: Intel Corporation 7 Series/C216 Chipset Family SMBus Controller (rev 04)
Subsystem: ASUSTeK Computer Inc. 7 Series/C216 Chipset Family SMBus Controller
Kernel modules: i2c_i801
02:00.0 Network controller: Ralink corp. RT5390 Wireless 802.11n 1T/1R PCIe
Subsystem: Foxconn International, Inc. RT5390 Wireless 802.11n 1T/1R PCIe
Kernel driver in use: rt2800pci
Kernel modules: rt2800pci
03:00.0 Ethernet controller: Qualcomm Atheros AR8161 Gigabit Ethernet (rev 10)
Subsystem: ASUSTeK Computer Inc. AR8161 Gigabit Ethernet
Kernel driver in use: alx
Kernel modules: alx
~$ sudo lshw -C network
[sudo] Mot de passe de ajay :
*-network DÉSACTIVÉ
description: Interface réseau sans fil
produit: RT5390 Wireless 802.11n 1T/1R PCIe
fabriquant: Ralink corp.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlp2s0
version: 00
numéro de série: 84:4b:f5:a3:e7:db
bits: 32 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rt2800pci driverversion=4.15.0-58-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
ressources: irq:17 mémoire:f7d00000-f7d0ffff
*-network
description: Ethernet interface
produit: AR8161 Gigabit Ethernet
fabriquant: Qualcomm Atheros
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: enp3s0
version: 10
numéro de série: 50:46:5d:4b:75:32
taille: 1Gbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=alx duplex=full ip=192.168.1.26 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
ressources: irq:19 mémoire:f7c00000-f7c3ffff portE/S:e000(taille=128)
ajay@COMPUTER:~$ ~$ sudo lshw -C network
~$ : commande introuvable
ajay@COMPUTER:~$ [sudo] Mot de passe de ajay :
[sudo] : commande introuvable
ajay@COMPUTER:~$ *-network DÉSACTIVÉ
*-network : commande introuvable
ajay@COMPUTER:~$ description: Interface réseau sans fil
description: : commande introuvable
ajay@COMPUTER:~$ produit: RT5390 Wireless 802.11n 1T/1R PCIe
produit: : commande introuvable
ajay@COMPUTER:~$ fabriquant: Ralink corp.
fabriquant: : commande introuvable
ajay@COMPUTER:~$ identifiant matériel: 0
identifiant : commande introuvable
ajay@COMPUTER:~$ information bus: pci@0000:02:00.0
information : commande introuvable
ajay@COMPUTER:~$ nom logique: wlp2s0
La commande « nom » n'a pas été trouvée, voulez-vous dire :
commande « nodm » du deb nodm
commande « nim » du deb nim
commande « gom » du deb gom
commande « eom » du deb eom
commande « npm » du deb npm
commande « nm » du deb binutils
commande « om » du deb omhacks
commande « pom » du deb bsdgames
commande « nop » du deb graphviz
commande « nam » du deb nam
commande « num » du deb quickcal
Essayez : sudo apt install <nom du deb>
ajay@COMPUTER:~$ version: 00
version: : commande introuvable
ajay@COMPUTER:~$ numéro de série: 84:4b:f5:a3:e7:db
numéro : commande introuvable
ajay@COMPUTER:~$ bits: 32 bits
bits: : commande introuvable
ajay@COMPUTER:~$ horloge: 33MHz
horloge: : commande introuvable
ajay@COMPUTER:~$ fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
fonctionnalités: : commande introuvable
ajay@COMPUTER:~$ configuration: broadcast=yes driver=rt2800pci driverversion=4.15.0-58-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
configuration: : commande introuvable
ajay@COMPUTER:~$ ressources: irq:17 mémoire:f7d00000-f7d0ffff
ressources: : commande introuvable
ajay@COMPUTER:~$ *-network
*-network : commande introuvable
ajay@COMPUTER:~$ description: Ethernet interface
description: : commande introuvable
ajay@COMPUTER:~$ produit: AR8161 Gigabit Ethernet
produit: : commande introuvable
ajay@COMPUTER:~$ fabriquant: Qualcomm Atheros
fabriquant: : commande introuvable
ajay@COMPUTER:~$ identifiant matériel: 0
identifiant : commande introuvable
ajay@COMPUTER:~$ information bus: pci@0000:03:00.0
information : commande introuvable
ajay@COMPUTER:~$ nom logique: enp3s0
La commande « nom » n'a pas été trouvée, voulez-vous dire :
commande « nam » du deb nam
commande « nim » du deb nim
commande « nodm » du deb nodm
commande « npm » du deb npm
commande « eom » du deb eom
commande « num » du deb quickcal
commande « nm » du deb binutils
commande « pom » du deb bsdgames
commande « nop » du deb graphviz
commande « gom » du deb gom
commande « om » du deb omhacks
Essayez : sudo apt install <nom du deb>
ajay@COMPUTER:~$ version: 10
version: : commande introuvable
ajay@COMPUTER:~$ numéro de série: 50:46:5d:4b:75:32
numéro : commande introuvable
ajay@COMPUTER:~$ taille: 1Gbit/s
taille: : commande introuvable
ajay@COMPUTER:~$ capacité: 1Gbit/s
capacité: : commande introuvable
ajay@COMPUTER:~$ bits: 64 bits
bits: : commande introuvable
ajay@COMPUTER:~$ horloge: 33MHz
horloge: : commande introuvable
ajay@COMPUTER:~$ fonctionnalités: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
fonctionnalités: : commande introuvable
ajay@COMPUTER:~$ configuration: autonegotiation=on broadcast=yes driver=alx duplex=full ip=192.168.1.26 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
configuration: : commande introuvable
ajay@COMPUTER:~$ ressources: irq:19 mémoire:f7c00000-f7c3ffff portE/S:e000(taille=128)
bash: erreur de syntaxe près du symbole inattendu « ( »
~$ iwconfig
wlp2s0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=off
Retry short long limit:2 RTS thr:off Fragment thr:off
Power Management:on
lo no wireless extensions.
enp3s0 no wireless extensions.
~$ ifconfig -a
enp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.26 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 2a01:cb08:70e:6100:70de:262d:d431:9b15 prefixlen 64 scopeid 0x0<global>
inet6 2a01:cb08:70e:6100:548b:54a9:2500:7ffa prefixlen 64 scopeid 0x0<global>
inet6 fe80::7a55:385a:caf7:a668 prefixlen 64 scopeid 0x20<link>
ether 50:46:5d:4b:75:32 txqueuelen 1000 (Ethernet)
RX packets 2504 bytes 2053069 (2.0 MB)
RX errors 0 dropped 5 overruns 0 frame 0
TX packets 2178 bytes 273347 (273.3 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 19
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 714 bytes 57579 (57.5 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 714 bytes 57579 (57.5 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp2s0: flags=4098<BROADCAST,MULTICAST> mtu 1500
ether 84:4b:f5:a3:e7:db 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
~$ sudo iwlist scan
[sudo] Mot de passe de ajay :
wlp2s0 Interface doesn't support scanning : Network is down
lo Interface doesn't support scanning.
enp3s0 Interface doesn't support scanning.
~$ uname -r -m
4.15.0-58-generic x86_64
~$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
~$ nmcli connection show
NAME UUID TYPE DEVICE
Ethernet automatique d087a342-ef91-48f3-953d-25c221284cd1 ethernet enp3s0
Bbox-4********* f9615907-e1bd-4857-b841-b668700d3688 wifi --
Livebox-******* 62181d66-bf63-44f9-895d-3c3cbca38a03 wifi --
freebox******* 5ef34ffb-291e-458a-a086-048c4704231d wifi --