realvnc-server-aarch64-ubuntu

sudo apt remove tightvncserver

$ wget https://github.com/azalinux/realvnc-server-aarch64-ubuntu/releases/download/v7.6.0/realvnc-server-arm64-ubuntu-v7.6.0.deb
$ sudo dpkg -i realvnc-server-arm64-ubuntu-v7.6.0.deb

$ sudo apt install git                           
$ git clone https://github.com/azalinux/realvnc-server-aarch64-ubuntu
$ chmod +x setup.sh
$ ./setup.sh

TinkerR

Tinker2

Tinker3