实用技巧：在Linux下设置xhost方法步骤

[root@localhost ~]# vncserver

New 'localhost:1 (root)' desktop is localhost:1

Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/localhost:1.log

[root@localhost ~]# export DISPLAY=localhost:1 
[root@localhost ~]# xhost +
access control disabled, clients can connect from any host