Install xrdp on CentOS 7 / RHEL 7 / Fedora
在CentOS 7 / RHEL 7 / Fedora上安装和配置xrdp详细教程

xrdp is an Open Source Remote desktop Protocol server, which allows you to RDP to your Linux server from Windows machine;
xrdp是一个开源的远程桌面协议服务器，它允许你从Windows使用RDP(Remote Desktop Protocol)远程到你的Linux服务器;

更新系统
yum update -y

安装桌面服务
yum groupinstall "X Window System" "GNOME Desktop" -y
systemctl set-default graphical.target

yum install epel-release -y
yum install xrdp -y

rpm -ql xrdp #查看安装文件
主要配置文件
/etc/xrdp/xrdp.ini
[globals]
bitmap_cache=yes 位图缓存
bitmap_compression=yes 位图压缩
port=3389 监听端口，建议修改成其他端口号

/etc/xrdp/sesman.ini
[Security]
AllowRootLogin=1 允许root登陆
MaxLoginRetry=4 最大重试次数

启动服务
systemctl enable xrdp
systemctl enable xrdp-sesman
systemctl start xrdp-sesman
systemctl start xrdp

设置防火墙
firewall-cmd --permanent --zone=public --add-port=3389/tcp
firewall-cmd --reload

或者
iptables -A INPUT -p tcp --dport 3389 -j ACCEPT
service iptables save;service iptables restart