install xrdp and GUI and RHEL8

xdrp_i.sh

sudo yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
sudo yum groupinstall -y "Server with GUI"
sudo yum install -y tigervnc-server xrdp

sudo systemctl start xrdp.service
sudo systemctl status xrdp.service
sudo systemctl enable xrdp.service

sudo netstat -antp | grep xrdp
sudo systemctl status firewalld.service

sudo systemctl enable firewalld.service
sudo systemctl start firewalld.service
sudo firewall-cmd --permanent --add-port=3389/tcp
sudo firewall-cmd --reload