1、安装EPEL源
wget http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
rpm -ivh epel-release-latest-7.noarch.rpm
yum update
2、安装xrdp
yum install xrdp
3、启动并安装服务
systemctl start xrdp.service
systemctl enable xrdp.service
4、配置防火墙
firewall-cmd --permanent --zone=public --add-port=3389/tcp
firewall-cmd --reload