如果报错！就如下操作
[root@kvm images]# chmod +x /etc/rc.local
[root@kvm images]# chmod +x /etc/rc.d/rc.local
[root@kvm images]# vim /etc/rc.d/rc.local
#添加
touch /var/lock/subsys/local
touch /var/lock/subsys/local
nohup novnc_server 192.168.7.31:5920 &
[root@kvm images]# ./etc/rc.d/rc.local[root@kvm images]# chmod +x /etc/rc.local