Restart After Oracle10g is installed in Linux

Restart After Oracle10g is installed in Linux

After Oracle10g is installed in fedora8, after the computer is restarted again! The following error message is displayed when you log on to the system using "sqlplus system/mileschen:
Error:
A ORA-01034: Oracle not available
ORA-27101: Shared Memory realm does not exist
Linux error: 2: no such file or directory

The solution is as follows:
After logging on to the system with an oracle user, enter the following command:
(1) [Oracle @ localhost ~] $ Sqlplus/nolog
SQL * Plus: Release 10.2.0.1.0-production on Fri Dec 26
06:52:41 2008
Copyright (c) 1982,200 5, Oracle. All rights reserved.
SQL>
(2) SQL> connect/As sysdba
Connected to an idle instance.
(3) SQL> startup
Total system global area 268435456 bytes
Fixed size 1218892 bytes
Variable Size 75499188 bytes
Database buffers 188743680 bytes
Redo buffers 2973696 bytes
Database mounted.
Database opened.

This means that the data library routine has been started, and then enter the following command to log on to the user
(4) [Oracle @ localhost ~] $ Sqlplus system/mileschen
SQL * Plus: Release 10.2.0.1.0-production on Fri Dec 26 06:55:48
2008
Copyright (c) 1982,200 5, Oracle. All rights reserved.
Connected:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0-
Production
With the partitioning, OLAP and Data Mining options
SQL>