# yum clean all
# yum -y update
# reboot
# yum install epel-release
# sudo yum groupinstall "Server with GUI"
# yum install tigervnc-server xrdp
# sudo systemctl start xrdp.service
# sudo systemctl status xrdp.service
# sudo systemctl enable xrdp.service
# 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
# reboot