centos 6.5 installation oracle

The installation and configuration of CentOS 6.5 is the subject of this article. If you want to install Oracle database on CentOS 6.5, this article will provide you with detailed steps and guidance.

Install CentOS 6.5

• First, you need to download the ISO image of CentOS 6.5. You can find the download link on the official CentOS website.
• After the download is complete, burn the ISO image to a DVD or USB flash drive. You can use a tool like Rufus to create a bootable disk.
• Insert the DVD or USB boot disk into the computer and restart the computer.
• When the computer starts, you will see an interface to choose the installation method. Select Install or Graphical Install
• Follow the prompts to complete the installation process. During the installation process, you need to select the language, time zone, keyboard layout, partition method, install software packages, and more. If you are unfamiliar with partitioning and other configurations, you can choose the default options and then adjust them yourself.

Configuring CentOS 6.5

• Configure network connections: After installation, you need to manually configure network connections for CentOS 6.5. You can enter the ifconfig command in the terminal to view the list of network card interfaces. In most cases, you will need to set up your network card to obtain an IP address automatically. You can configure network connections using the nmcli command or the graphical interface.
• Install necessary software packages: Oracle database requires some necessary software packages. You can install these packages on CentOS 6.5 using the yum package manager. You can enter the following command in the terminal to install these software packages:

yum install binutils compat-libstdc++-33 compat-libstdc++-33.i686 gcc gcc-c++ glibc glibc.i686 glibc-devel glibc-devel.i686 ksh libgcc libgcc.i686 libstdc++ libstdc++.i686 libstdc++-devel libstdc++-devel.i686 libaio libaio.i686 libaio-devel libaio-devel.i686 libXext libXext.i686 libXtst libXtst.i686 libX11 libX11.i686 libXau libXau.i686 libxcb libxcb.i686 libXi libXi.i686 make sysstat

Install Oracle database

• Open the browser and go to the official Oracle website to download the required Oracle database .
• You need to create Oracle users and groups before installing the Oracle database. You can use the following command to create users and groups:

groupadd oinstall groupadd dba useradd -g oinstall -G dba oracle

• Use the su command in the terminal to switch to the oracle user.
• Extract the downloaded Oracle installation files to a directory, and then enter that directory.
• Run the ./runInstaller command to start installing the Oracle database.
• Follow the installation wizard to complete the installation of the Oracle database. During the installation process, you need to enter the database name, listener port, administrator password, etc. If you are unfamiliar with Oracle database configuration, you can choose the default options.
• After the installation is complete, enter the following command in the terminal to configure the Oracle environment variables:

echo 'export ORACLE_BASE=/u01/app/oracle' >> ~/.bashrc echo 'export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/dbhome_1' >> ~/.bashrc echo 'export ORACLE_SID=orcl' >> ~/.bashrc echo 'export PATH=$PATH:$ORACLE_HOME/bin' >> ~/.bashrc source ~/.bashrc

• Start the Oracle database: Enter the following command in the terminal:

sqlplus / as sysdba startup exit

At this point, you have successfully installed the Oracle database on CentOS 6.5. Remember to update system and database software frequently to ensure security and stability.

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