# Enable Wi-Fi hotspot in Ubuntu 20.04 #### System information ``` System: Ubuntu 20.04.4 LTS Device: Archer T2U Nano AC600 Nano Wireless USB Adapter Desktop: xfce ``` ### Network interface controller (NIC) driver ```bash= # download and install driver $ sudo apt-get install dkms $ git clone -b v5.6.4.2 https://github.com/aircrack-ng/rtl8812au.git $ cd rtl* $ sudo make dkms_install # show searched Wi-Fi $ sudo nmcli device wifi list ``` ![](https://i.imgur.com/KXmWYj6.png) ### Wi-Fi configuration 1. Open `Network Connections` - GUI: `Setting`$\rightarrow$`Advanced Network Configuration` - Terminal ```bash= username@hostname:~$ nm-connection-editor ``` 2. Press `Ethernet`$\rightarrow$`Add a new connection`$\rightarrow$ select `Wi-Fi`$\rightarrow$`Create` ![](https://i.imgur.com/Ap70Fhc.png) ![](https://i.imgur.com/SnPBnUc.png) 3. Editing Wi-Fi connection - Connection Name: `Wi-Fi name` (display on network connections) - SSID: `Wi-Fi name` (display on available networks) - Mode: `Hotspot` - Band: `Automatic` - Device: select available one (default is `eth0`) - Cloned MAC address: `Preserve` - MTU: `automatic` ![](https://i.imgur.com/ZOvlQ4v.png) 4. Wi-Fi Security (set up password) - Security: `WPA & WPA2 Personal` (select available one) - Password: `your password` ![](https://i.imgur.com/3XfF18V.png) 5. IPv4 Setting - Method: `Shared to other computers` ![](https://i.imgur.com/C8glsKN.png) 6. Enable/Disable Wi-Fi hotspot ```bash= $ sudo nmcli connection up/down <SSID> ``` ### Other GUI software: Linux Wifi Hotspot ```bash= $ sudo add-apt-repository ppa:lakinduakash/lwh $ sudo apt install linux-wifi-hotspot ``` ### Connect to Wi-Fi via adaptor ```bash= # check Wi-Fi device is enabled or not $ nmcli radio wifi # if Wi-Fi device isn't enabled $ nmcli radio wifi on # show Wi-Fi access points $ nmcli device wifi list # connect to Wi-Fi $ nmcli device wifi connect <Wi-Fi name> password <Wi-Fi password> # connect to Wi-Fi (password won't store in your computer) $ sudo nmcli --ask dev wifi connect network-ssid # disconnect to Wi-Fi $ nmcli con down <Wi-Fi name> ``` ### Reference > Ref: [Archer T2U Nano AC600 Nano Wireless USB Adapter](https://www.tp-link.com/us/home-networking/usb-adapter/archer-t2u-nano/) > Ref: [RTL8812AU/21AU Wireless drivers](https://github.com/aircrack-ng/rtl8812au) > Ref: [TP-Link AC600 Archer T2U Plus driver for Ubuntu 20.04](https://askubuntu.com/questions/1376835/tp-link-ac600-archer-t2u-plus-driver-for-ubuntu-20-04) > Ref: [Turn on Wi-Fi hotspot using command line on Ubuntu 18.04](https://askubuntu.com/questions/1164673/turn-on-wi-fi-hotspot-using-command-line-on-ubuntu-18-04) > Ref: [Linux Wifi Hotspot](https://github.com/lakinduakash/linux-wifi-hotspot)