oracle用户：
export DISPLAY=192.168.33.8:0.0
查看报错问题解决思路：
oerr ora 16433
16433, 00000, "The database has not been opened in read-write mode"
// *Cause: When a physical standby database is converted to a read-write
// database or there was a failed open resetlogs attempt, the database
// should be opened in read-write mode to have correct file access
// information in the controlfile.
// *Action: Open the database in read-write mode and reissue the command.