Oracle Linux is based on Red Hat Enterprise Linux. At first, it may be confusing to determine what specific operating system is running. This is because both have the /etc/redhat-release file.
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- Determine Oracle Linux version
- Other options
- Related files
- Oracle Database 19c [19.3]
- Where is Oracle installed on Linux?
- How can I tell if Oracle 19c is installed?
- Does Oracle Linux contain Oracle Database?
- What is the latest version of Oracle Linux?
If that file exists, use the cat
command to display the contents. Next step is to determine if there is a /etc/oracle-release file as well. If so, then you can be sure that Oracle Linux is running.
cat /etc/oracle-release
Sample output might be: Oracle Linux Server release 6.7
Other options
Next time when you are on a system and not sure what it is running, use this:
ls -l /etc/*-release
This shows you any files that might give a hint on the operating system version.
Related files
- /etc/enterprise-release [older versions of OEL]
- /etc/issue
- /etc/issue.net
- /etc/lsb-release
One more thing...
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An easy way to check which release version of Oracle you are running is to look at:
%ORACLE_HOME%\admin\protect\bdump\alert_protect.log
and check for the latest startup sequence. The first digit after the "ORACLE V" is the version. You should see something like the following:
Thu May 03 16:47:56 2007
ORACLE V10.2.0.2.0 - Production vsnsta=0
….
Starting up ORACLE RDBMS Version: 10.2.0.2.0.
Or else you can use the command line.
How to check the Oracle version from the command prompt
Version information is stored in a table called v$version. In this table you can find version information on Oracle, PL/SQL, etc.
To retrieve the version information for Oracle:
Run this script as sys as sysdba:
SQL> select version from v$instance;
You will see something like this:
VERSION
-----------------
11.1.0.6.0
Or, you can execute the following SQL statement:
SELECT * from v$version
WHERE banner like 'Oracle%';
It should return something like this:
Banner
--------------------------------------------------------------------------------------
Oracle Database 10g Release 10.2.0.2.0 - Production
For example:
C:\Documents and Settings\Administrator>sqlplus \nolog
SQL*Plus: Release 10.2.0.2.0 - Production on Fri May 4 15:32:56 20
Copyright [c] 1982, 2005, Oracle. All Rights Reserved.
Enter user-name: protect
Enter password:
Connected to:
Oracle Database 10g Release 10.2.0.2.0 - Production
SQL> select * from v$version
2 where banner like 'Oracle%';
BANNER
----------------------------------------------------------------
Oracle Database 10g Release 10.2.0.2.0 - Production
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Oracle Database 19c [19.3]
Oracle Database 19c [19.3] for Linux x86-64 [RPM]
Oracle Database 19c [19.3] for Linux x86-64
Directions
Installation guides and general Oracle Database 19c documentation are here.
Oracle Database 19c Grid Infrastructure [19.3] for Linux x86-64
Contains the Grid Infrastructure Software including Oracle Clusterware, Automated Storage Management [ASM], and ASM Cluster File System. Download and install prior to installing Oracle Real Application Clusters, Oracle Real Application Clusters One Node, or other application software in a Grid Environment
Oracle Database 19c Global Service Manager [GSM/GDS] [19.3] for Linux x86-64
Contains the Global Service Manager Software. Download and install as part of Global Data Services [GDS] deployment.
Oracle Database Gateways 19c [19.3] for Linux x86-64
Contains the Oracle Database Gateways to non-Oracle Databases. Download if you want to set up a heterogeneous data integration environment
Oracle Database 19c Examples [19.3] for Linux x86-64
Contains examples of how to use the Oracle Database. Download if you are new to Oracle and want to try some of the examples presented in the Documentation
Oracle Database 19c Client [19.3] for Linux x86-64
Contains the Oracle Client Libraries for Linux. Download if you want the client libraries only
Oracle Fusion Middleware Web Tier Utilities for Linux x86-64
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Where is Oracle installed on Linux?
The default location is /u01/app/oracle/product/8.0..
$ORACLE_HOME/bin contains the executables for the database and administrative software..
$ORACLE_HOME/rdbms/admin contains the SQL scripts used to create the catalog, and other useful scripts too numerous to cover here..
How can I tell if Oracle 19c is installed?
Follow these steps: From the Start menu, select All apps, then Oracle - HOMENAME, then Oracle Installation Products, then Universal Installer. In the Welcome window, click Installed Products to display the Inventory dialog box. To check the installed contents, find the Oracle Database product in the list.