This is a Troubleshooting for "No Protocol Specified" Error Message Manifested on Oracle 11g During Installation.
The Issue Manifesting in Oracle 11g Installation Depend from the Inability to Start a XSession from Terminal.
-
Set-Up Correctly the Path to the Oracle Database:
- Load you Oracle 11g Bash Paths and Parameters:
source /home/oracle/.bashrc
- Open a New Terminal Window
- Login as oracle User
su oracle
- Try to Execute Command on the New Shell:
xclock
If the xclock Show Up your System Should be Rightly Setup.