==[zhensolid@localhost ~]$ host +==  
+ has address 198.18.4.167  
Host + not found: 3(NXDOMAIN)
 
==[zhensolid@localhost ~]$ xhost +==  
access control disabled, clients can connect from any host
 
==[zhensolid@localhost ~]$ sudo -I==  
[sudo] zhensolid 的密码：
 
==[root@localhost ~]# xhost +==  
access control disabled, clients can connect from any host
 
==[root@localhost ~]# su - oracle==
 
==[oracle@localhost ~]$ dbca==  
DISPLAY not set.  
Set DISPLAY environment variable, then re-run.
 
==[oracle@localhost ~]$ export DISPLAY=:0==
 
[oracle@localhost ~]$ dbca
 
修改语言  
[oracle@localhost ~]$ export LANG=en_US.UTF-8