from https://www.xmodulo.com/wireguard-vpn-network-manager-gui.html
as a reference
---- Start ----
get your WireGuard conf file , sample wgs_test.conf
from terminal windows
(1) nmcli connection import type wireguard file wgs_test.conf
Connection 'wgs_test' (****************) successfully added.
(2) nmcli connection down 'wgs_test'
(3) nmcli connection up 'wgs_test'
After import above item (1)
Do item (2)
Goto Network Connections gui
Select WireGuard wgs_test
Goto General tab uncheck (Connect automatically)
Note Network Connections IPv4 Setting
Gateway is Blank and yellow , don't worry still works.
Do item (2) again
Do item (3) ping gateway in wgs_test
Then check https://www.whatsmyip.org/ should be web facing ip.
note Also tried with NordVPN , works
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Did this below , dont know if needed it, wanted make sure was unmanaged interface
as a reference
from https://dennis.pohlmann.blog/?view=article&id=4:wired-network-device-not-managed&catid=13
Home
Wired network - device not managed
To get your wired connection managed again, add/edit the following file as sudo nano /etc/NetworkManager/conf.d/10-globally-managed-devices.conf
Add the following content:
[keyfile]
unmanaged-devices=none
sudo systemctl restart NetworkManager
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