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not able to connect oracle

Hi All,

I have installed oralce-xe 10g on CentOs.
I am facing error while connecting it

SQL> connect
Enter user-name: HR
Enter password:
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux Error: 2: No such file or directory

[root@localhost bin]# echo $ORACLE_SID
XE

Please suggest solution.

Quote:

Originally Posted by LINUXQueAns (Post 4325216)

Hi All,

I have installed oralce-xe 10g on CentOs. I am facing error while connecting it

SQL> connect
Enter user-name: HR
Enter password:
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux Error: 2: No such file or directory

[root@localhost bin]# echo $ORACLE_SID XE

Please suggest solution.

Google for it? Check the Oracle forums?? Just putting in the error message pulls up lots. First three hits, which tell you what the error is, and how to fix it:
http://www.dba-oracle.com/sf_ora_010..._available.htm
http://forums.oracle.com/forums/thre...2228&tstart=-2
http://ora-01034.ora-code.com/

Did you even try to look this up? Did you try to contact Oracle support?