查看错误
cat /var/log/xrdp-sesman.log
cat /var/log/xrdp.log | grep ERROR
[20240712-12:29:27] [ERROR] Cannot read private key file /etc/xrdp/key.pem: Permission denied
sudo chmod +x /etc/xrdp/key.pem
#将xrdp用户加入ssl-cert组(更彻底的方案)
adduser xrdp ssl-cert
systemctl restart xrdp