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How to install Oracle database on CentOS6

PHPz

Apr 17, 2023 pm 02:12 PM

Oracle database is usually used for information management and data analysis of large enterprises. It is a commercial-level database software with powerful functions and high stability. This article will take you through the steps to install Oracle database on Centos6 operating system.

Step 1: Install the necessary software

Before installing the Oracle database, you need to install several necessary software. Open the terminal and enter the following command to install:

yum -y install binutils compat-libstdc++ elfutils-libelf elfutils-libelf-devel gcc gcc-c++ glibc glibc-common glibc-devel ksh libaio libaio-devel libgcc libstdc++ libstdc++-devel make sysstat

After the command is executed, the necessary software packages will be installed in the system.

Step 2: Configure system parameters

Installing the Oracle database also requires some settings of system parameters to avoid errors during the installation process. Open the sysctl.conf file and enter the following content:

kernel.shmmax = 4294967295
kernel.shmall = 2097152
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 6815744
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576

After modification, save and exit the file.

Step 3: Create oracle user and user group

Before installing the Oracle database, you need to create a user named oracle and dba management Group. Open the terminal and enter the following command to create:

groupadd dba
useradd -g dba oracle
passwd oracle

After execution, a new user and user group will be created in the system.

Step 4: Download and decompress the Oracle database installation package

Go to the Oracle official website to download the Oracle database installation package for CentOS system and save it locally. Open the terminal, enter the directory where the installation package is located, and execute the following command:

unzip -q .zip -d

After the command is executed, the Oracle database installation package will be decompressed in the system.

Step 5: Start the installation mode

Enter the decompressed installation package directory and run the ./runInstaller command to start the installation mode of the Oracle database. This will open a GUI interface that will guide you through the installation process.

Step 6: Select the database version and installation type

In the first installation window, select the Oracle database version and installation type to be installed. There are two installation types for Oracle Database:

Basic installation: Selecting this installation type will install the default database and configuration.
Advanced installation: Selecting this installation type will allow you to choose the components to install, database location, installation type, and other options.

Here we choose basic installation and click the "Next" button.

Step 7: Select the installation directory

In the next window, select the installation directory of the Oracle database. By default, the installation directory is /u01/app/oracle. If you want to modify the directory, you can click the "Browse" button to select it, and then click the "Next" button to continue the installation.

Step 8: Configure the Oracle database instance

In the next window, you need to configure some options for the Oracle database instance:

SID Name: This is the database A unique identifier used to identify the database instance. By default, the SID name is orcl.
Management password: used for authentication and management of database administrators.
Listener port: This is the port for communication between the client and the database instance. The default is 1521.

After completing the configuration, click the "Next" button.

Step 9: Installation

In the next window, after completing the configuration, click the "Install" button to start the installation of the Oracle database. The installation process takes some time, please be patient.

Step 10: Complete the installation

After the Oracle database installation is completed, you will see a "Complete" window. In this window, you can choose whether you need to perform some necessary installation steps:

Create database: If you select this option, the installation program will automatically create a new database instance.
Enterprise Manager Configuration: If you select this option, the Enterprise Manager Configuration Wizard will open to help you complete the configuration of Enterprise Manager.

After completing the above options, click the "Close" button to end the installation process.

Summary

This article introduces the steps to install Oracle database on Centos6 operating system, including installing necessary software, configuring system parameters, creating Oracle users and user groups, downloading and unzipping Oracle database installation package, start the installation mode, select the database version and installation type, select the installation directory, configure the Oracle database instance, install and complete the installation. Through these steps, you can successfully install Oracle database on your Centos6 operating system.

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