>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=19.10
DISTRIB_CODENAME=eoan
DISTRIB_DESCRIPTION="Ubuntu 19.10"
>> lsusb
Bus 001 Device 005: ID 0bda:b00a Realtek Semiconductor Corp.
Bus 001 Device 004: ID 04f2:b52d Chicony Electronics Co., Ltd
Bus 001 Device 003: ID 0bda:0177 Realtek Semiconductor Corp.
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 008: ID 2717:ff80 Xiaomi Inc. Mi/Redmi series (RNDIS)
Bus 002 Device 002: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
01:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter [10ec:c821]
Subsystem: Hewlett-Packard Company RTL8821CE 802.11ac PCIe Wireless Network Adapter [103c:831a]
>> sudo lshw -C network
*-network NON-RÉCLAMÉ
description: Network controller
produit: RTL8821CE 802.11ac PCIe Wireless Network Adapter
fabricant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:01:00.0
version: 00
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress cap_list
configuration : latency=0
ressources : portE/S:e000(taille=256) mémoire:fea00000-fea0ffff
*-network
description: Ethernet interface
identifiant matériel: 2
information bus: usb@2:2
nom logique: enp0s16u2
numéro de série: de:14:48:92:54:21
fonctionnalités: ethernet physical
configuration : broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.166 link=yes multicast=yes
>> lsmod | sort
acpi_tad 16384 0
aesni_intel 372736 2
aes_x86_64 20480 1 aesni_intel
ahci 40960 2
amdgpu 4190208 14
amd_iommu_v2 20480 1 amdgpu
arp_tables 24576 0
autofs4 45056 2
bluetooth 581632 31 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 2
bridge 176128 1 br_netfilter
br_netfilter 28672 0
btbcm 16384 1 btusb
btintel 24576 1 btusb
btrtl 20480 1 btusb
btusb 57344 0
ccp 94208 1 kvm_amd
cdc_ether 20480 1 rndis_host
cmac 16384 1
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 2 crypto_simd,ghash_clmulni_intel
crypto_simd 16384 1 aesni_intel
drm 491520 7 gpu_sched,drm_kms_helper,amdgpu,ttm
drm_kms_helper 184320 1 amdgpu
ecc 28672 1 ecdh_generic
ecdh_generic 16384 2 bluetooth
edac_mce_amd 32768 0
fam15h_power 16384 0
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
gpu_sched 32768 1 amdgpu
hid 126976 7 i2c_hid,usbhid,hid_multitouch,hid_generic,hid_logitech_dj,hid_logitech_hidpp
hid_generic 16384 0
hid_logitech_dj 24576 0
hid_logitech_hidpp 40960 0
hid_multitouch 28672 0
hp_wireless 16384 0
hp_wmi 16384 0
i2c_algo_bit 16384 1 amdgpu
i2c_hid 28672 0
i2c_piix4 28672 0
input_leds 16384 0
ip6table_filter 16384 0
ip6_tables 32768 1 ip6table_filter
iptable_filter 16384 0
ip_tables 32768 1 iptable_filter
irqbypass 16384 1 kvm
joydev 28672 0
k10temp 16384 0
kvm 643072 1 kvm_amd
kvm_amd 98304 0
ledtrig_audio 16384 2 snd_hda_codec_generic,snd_hda_codec_realtek
libahci 32768 1 ahci
llc 16384 2 bridge,stp
lp 20480 0
mac_hid 16384 0
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mii 20480 1 usbnet
Module Size Used by
nls_iso8859_1 16384 1
parport 53248 3 parport_pc,lp,ppdev
parport_pc 40960 0
ppdev 24576 0
rfcomm 81920 4
rfkill_gpio 16384 0
rndis_host 20480 0
sch_fq_codel 20480 2
serio_raw 20480 0
snd 86016 19 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 131072 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 61440 1
snd_hda_codec_realtek 114688 1
snd_hda_core 90112 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel 49152 4
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 106496 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd_rawmidi 36864 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi 20480 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_timer 36864 2 snd_seq,snd_pcm
soundcore 16384 1 snd
sparse_keymap 16384 1 hp_wmi
stp 16384 1 bridge
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
ttm 106496 1 amdgpu
uas 24576 0
ums_realtek 24576 3
usbhid 57344 1 hid_logitech_dj
usbnet 45056 2 rndis_host,cdc_ether
usb_storage 77824 2 uas,ums_realtek
uvcvideo 98304 0
video 49152 0
videobuf2_common 53248 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 208896 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 32768 2 hp_wmi,wmi_bmof
wmi_bmof 16384 0
x_tables 40960 5 ip6table_filter,iptable_filter,ip6_tables,ip_tables,arp_tables
>> iwconfig
>> ifconfig -a
>> sudo iwlist scan
>> uname -r -m
5.3.0-18-generic x86_64
>> cat /etc/network/interfaces
>> nm-tool
>> nmcli dev wifi
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Connexion filaire 1 191d2b52-c348-3a4f-8517-bb0e98260e98 ethernet enp0s16u2
Réseau Redmi 0986251c-211c-4f47-9e7f-958a8d5bbb87 bluetooth --
>> nmcli connection status
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no