[root@host02 ~]# vncservice You will require a password to access your desktops. Password: Verify: xauth: creating new authority file /root/.Xauthority New ‘host02:1 (root)‘ desktop is host02:1 #我没设置过密码 这里需要设置密码 [root@host02 ~]# export DISPLAY=host02:2 #根据上面的结果 设置DISPLAY [root@host02 ~]# xhost + access control disabled, clients can connect from any host
Linux 如何解决 xhost: unable to open display ""
原文：http://www.cnblogs.com/liuxiya/p/6250399.html