vnc安装
yum install tigervnc-server -y
cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:1.service
ExecStart=/sbin/runuser -l root -c "/usr/bin/vncserver %i"
PIDFile=/root/.vnc/%H%i.pid
systemctl daemon-reload
vncpasswd
systemctl enable vncserver@:1.service
systemctl start vncserver@:1.service
