One screen/Dual screen

I bought a second monitor

In order to create an icon that tells linux to use one or two monitors I did the following:

In the System Settings I adjusted the configuration that I wanted for one monitor. Then in the console I wrote:

$ autorandr --save solo-pantalla-lg

then I created an icon with the command:

$ autorandr --load solo-pantalla-lg

Repeat in order to activate both monitors:

$ autorandr --save doble-pantalla

$ autorandr --load doble-pantalla

USB WIFI Antenna RTL8812AU 802.11n WLAN Adapter

In order to make my "USB WIFI Antenna RTL8812AU 802.11n WLAN Adapter" work under Linux Mint 17.3, and Kubuntu 19.10 I had to install its drivers.

Just do the following:

Check if it is recognized:

(base) daalvarez@heimdall:~ > lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0458:0186 KYE Systems Corp. (Mouse Systems)
Bus 001 Device 003: ID 045e:00db Microsoft Corp. Natural Ergonomic Keyboard 4000 V1.0
Bus 001 Device 002: ID 0bda:8812 Realtek Semiconductor Corp. RTL8812AU 802.11a/b/g/n/ac WLAN Adapter
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Then download the source code of the driver and compile it:

git clone https://github.com/gnab/rtl8812au.git

Follow the steps in the README.md including the DKMS commands, so that it automatically adapts when there is a linux kernel update.



Finally, reboot the computer.