>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04 LTS"
>> lsusb
Bus 002 Device 004: ID 05ac:1402 Apple, Inc. Ethernet Adapter [A1277]
Bus 002 Device 002: ID 05ac:8403 Apple, Inc. Internal Memory Card Reader
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 005: ID 05ac:8213 Apple, Inc. Bluetooth Host Controller
Bus 004 Device 004: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 004 Device 003: ID 05ac:8242 Apple, Inc. Built-in IR Receiver
Bus 004 Device 002: ID 05ac:0237 Apple, Inc. Internal Keyboard/Trackpad (ISO)
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 05ac:8507 Apple, Inc. Built-in iSight
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 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 Inc. and subsidiaries BCM4322 802.11a/b/g/n Wireless LAN Controller [14e4:432b] (rev 01)
Subsystem: Apple Inc. AirPort Extreme [106b:008d]
Kernel driver in use: b43-pci-bridge
Kernel modules: ssb
03:00.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries NetXtreme BCM5764M Gigabit Ethernet PCIe [14e4:1684] (rev 10)
Subsystem: Broadcom Inc. and subsidiaries NetXtreme BCM5764M Gigabit Ethernet PCIe [14e4:1684]
Kernel driver in use: tg3
Kernel modules: tg3
04:00.0 VGA compatible controller [0300]: NVIDIA Corporation MCP89 [GeForce 320M] [10de:08a0] (rev a2)
>> sudo lshw -C network
*-network
description: Network controller
product: BCM4322 802.11a/b/g/n Wireless LAN Controller
vendor: Broadcom Inc. and subsidiaries
physical id: 0
bus info: pci@0000:02:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=b43-pci-bridge latency=0
resources: irq:17 memory:d3200000-d3203fff
*-network
description: Ethernet interface
product: NetXtreme BCM5764M Gigabit Ethernet PCIe
vendor: Broadcom Inc. and subsidiaries
physical id: 0
bus info: pci@0000:03:00.0
logical name: enp3s0
version: 10
serial: 10:9a:dd:54:88:fd
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.137 firmware=5764m-v3.38 latency=0 link=no multicast=yes port=twisted pair
resources: irq:30 memory:d3100000-d310ffff
*-network:0
description: Ethernet interface
physical id: 2
logical name: docker0
serial: 02:42:a8:1a:38:a5
capabilities: ethernet physical
configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A ip=172.17.0.1 link=no multicast=yes
*-network:1
description: Ethernet interface
physical id: 3
bus info: usb@2:4
logical name: enx0469f8eb553c
serial: 04:69:f8:eb:55:3c
size: 100Mbit/s
capacity: 100Mbit/s
capabilities: ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=asix driverversion=22-Dec-2011 duplex=full firmware=ASIX AX88772 USB 2.0 Ethernet ip=192.168.0.49 link=yes multicast=yes port=MII speed=100Mbit/s
>> lsmod | sort
acpi_als 20480 0
ahci 40960 2
apple_bl 20480 0
applesmc 20480 0
arp_tables 24576 0
asix 57344 0
aufs 262144 0
autofs4 45056 2
b43 417792 0
bcm5974 20480 0
bcma 65536 1 b43
bluetooth 581632 27 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 2
bpfilter 32768 0
bridge 176128 1 br_netfilter
br_netfilter 28672 0
btbcm 16384 1 btusb
btintel 24576 1 btusb
btrtl 24576 1 btusb
btusb 57344 0
cfg80211 704512 2 b43,mac80211
cordic 16384 1 b43
coretemp 20480 0
crc_itu_t 16384 1 firewire_core
drm 491520 11 drm_kms_helper,ttm,nouveau
drm_kms_helper 184320 1 nouveau
ecc 28672 1 ecdh_generic
ecdh_generic 16384 1 bluetooth
fb_sys_fops 16384 1 drm_kms_helper
firewire_core 65536 1 firewire_ohci
firewire_ohci 40960 0
hid 131072 4 usbhid,hid_apple,hid_generic,hid_appleir
hid_apple 16384 0
hid_appleir 16384 0
hid_generic 16384 0
i2c_algo_bit 16384 1 nouveau
industrialio 73728 2 acpi_als,kfifo_buf
input_leds 16384 0
input_polldev 20480 1 applesmc
ip6table_filter 16384 0
ip6_tables 32768 1 ip6table_filter
iptable_filter 16384 1
iptable_nat 16384 1
ip_tables 32768 2 iptable_filter,iptable_nat
joydev 24576 0
kfifo_buf 16384 1 acpi_als
kvm 663552 1 kvm_intel
kvm_intel 286720 0
ledtrig_audio 16384 1 snd_hda_codec_generic
libahci 32768 1 ahci
libarc4 16384 1 mac80211
libcrc32c 16384 2 nf_conntrack,nf_nat
llc 16384 2 bridge,stp
lp 20480 0
mac80211 843776 1 b43
mac_hid 16384 0
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mii 20480 2 usbnet,asix
Module Size Used by
mxm_wmi 16384 1 nouveau
nf_conntrack 139264 3 xt_conntrack,nf_nat,xt_MASQUERADE
nf_defrag_ipv4 16384 1 nf_conntrack
nf_defrag_ipv6 24576 1 nf_conntrack
nf_nat 40960 2 iptable_nat,xt_MASQUERADE
nfnetlink 16384 1
nls_iso8859_1 16384 1
nouveau 1949696 16
overlay 114688 0
parport 53248 3 parport_pc,lp,ppdev
parport_pc 40960 0
ppdev 24576 0
rfcomm 81920 4
sbs 20480 0
sbshc 16384 1 sbs
sch_fq_codel 20480 3
snd 90112 16 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_rawmidi
snd_hda_codec 131072 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_cirrus
snd_hda_codec_cirrus 20480 1
snd_hda_codec_generic 81920 1 snd_hda_codec_cirrus
snd_hda_codec_hdmi 61440 3
snd_hda_core 90112 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_cirrus
snd_hda_intel 53248 3
snd_hwdep 20480 1 snd_hda_codec
snd_intel_dspcfg 24576 1 snd_hda_intel
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
ssb 73728 1 b43
stp 16384 1 bridge
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
tg3 172032 0
ttm 106496 1 nouveau
uas 28672 0
usbhid 57344 0
usbnet 45056 1 asix
usb_storage 77824 1 uas
uvcvideo 98304 0
video 49152 1 nouveau
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 225280 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 32768 2 mxm_wmi,nouveau
xfrm_algo 16384 1 xfrm_user
xfrm_user 36864 1
x_tables 40960 8 ip6table_filter,xt_conntrack,iptable_filter,xt_addrtype,ip6_tables,ip_tables,xt_MASQUERADE,arp_tables
xt_addrtype 16384 2
xt_conntrack 16384 1
xt_MASQUERADE 20480 1
>> iwconfig
>> ifconfig -a
>> sudo iwlist scan
>> uname -r -m
5.4.0-26-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
Wired connection 2 7e7b87c1-b89d-373b-81dd-bb3a6be9a069 ethernet enx0469f8eb553c
docker0 ee5cd8c8-b925-4392-a1fb-5e01776cd57a bridge docker0
Wired connection 1 96479fe9-4b86-3419-afc7-bd5db90e932d ethernet --
>> nmcli connection status
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no