Network Connections
Setting
Advanced Network Configuration
Ethernet
Add a new connection
select Wi-Fi
Create
Wi-Fi name
(display on network connections)Wi-Fi name
(display on available networks)Hotspot
Automatic
eth0
)Preserve
automatic
WPA & WPA2 Personal
(select available one)your password
Shared to other computers
Ref: Archer T2U Nano AC600 Nano Wireless USB Adapter
Ref: RTL8812AU/21AU Wireless drivers
Ref: TP-Link AC600 Archer T2U Plus driver for Ubuntu 20.04
Ref: Turn on Wi-Fi hotspot using command line on Ubuntu 18.04
Ref: Linux Wifi Hotspot