nmtui não lista wifi

após instalar o ubuntu server o nmtui não lista as wifi vou tentar resolver isso
segue  alguns links para estudo

https://askubuntu.com/questions/461825/how-to-connect-to-wifi-from-the-command-line

https://unix.stackexchange.com/questions/158328/network-manager-not-listing-wifi

https://askubuntu.com/questions/213806/ubuntu-12-10-network-manager-not-listing-wireless-networks

https://forum.manjaro.org/t/solved-cannot-connnect-to-or-discover-wireless-networks/32716/10

https://superuser.com/questions/164059/how-to-force-network-manager-to-rescan-connections

https://forums.linuxmint.com/viewtopic.php?f=53&t=230759&sid=83c9e3fef763b1874de4dc842ae8e642&start=20

https://www.centos.org/forums/viewtopic.php?t=65078


como esta configurado por padrão a internet no ubuntu

/etc/networks
# symbolic names for networks, see networks(5) for more information
link-local 169.254.0.0

/etc/network/interfaces

# interfaces(5) file used by ifup(8) and ifdown(8)

auto lo

iface lo inet loopback

/etc/NetworkManager/NetworkManager.conf
[main]
plugins=ifupdown,keyfile

[ifupdown]
managed=false

[device]
wifi.scan-rand-mac-address=no

lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation Skylake GT2 [HD Graphics 520] (rev 07)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #1 (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1)
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 940M] (rev a2)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
03:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01) 

 

 

TENTE:

sudo systemctl restart NetworkManager