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Tutorial on installing Oracle on Linux: detailed steps and precautions

PHPz

Apr 17, 2023 am 10:29 AM

Oracle is a very popular database management software. Both development and operation and maintenance personnel need to master the use of Oracle, and in this process, they need to install Oracle on their own machines. This article will introduce how to install Oracle on a Linux system. This installation tutorial is suitable for CentOS7 system.

Preparation

Before installing Oracle, you need to prepare the following files.

Download the Oracle installation file for Linux from Oracle’s official website

(1) Oracle Database 12c Release 1 Enterprise Edition for Oracle Linux 7 download address:

http:/ /download.oracle.com/otn/linux/oracle12c/121020/linuxamd64_12102_database_1of2.zip

http://download.oracle.com/otn/linux/oracle12c/121020/linuxamd64_12102_database_2of2.zip

(2)Oracle Database 11g Release 2 Enterprise Edition for Oracle Linux 7 download address:

http://download.oracle.com/otn/linux/oracle11g/R2/linux.x64_11gR2_database_1of2.zip

http://download.oracle.com/otn/linux/oracle11g/R2/linux.x64_11gR2_database_2of2.zip

(3) Oracle Database 10g Release 2 Enterprise Edition for Oracle Linux 7 download address:

http://download.oracle.com/otn/linux/oracle10g/10201/linux_10201_database_linux_x86_64.cpio.gz

Install the necessary software

Before installing Oracle, you need to install some necessary software:

sudo yum -y install binutils.x86_64 compat-libcap1.x86_64 gcc.x86_64 gcc-c .x86_64 glibc.i686 glibc.x86_64 glibc-devel .i686 glibc-devel.x86_64 ksh compat-libstdc -33 libaio.i686 libaio.x86_64 libaio-devel.i686 libaio-devel.x86_64 libgcc.i686 libgcc.x86_64 libstdc .i686 libstdc .x86_64 libst dc -devel.i686 libstdc -devel. x86_64 libXext.i686 libXext.x86_64 libXtst.i686 libXtst.x86_64 libX11.i686 libX11.x86_64 libXau.i686 libXau.x86_64 libxcb.i686 libxcb.x86_64 libXi.i686 libX i.x86_64 make.x86_64 sysstat.x86_64 unixODBC.x86_64 unixODBC-devel. x86_64

Configure Linux system parameters

Run the following command:

sudo vi /etc/sysctl.conf

In a text editor Add the following content to the server:

fs.file-max = 6815744 kernel.sem = 250 32000 100 128 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 = 1048586

Run the following command:

sudo sysctl -p

Add user

Run the following command to add a user named oracle:

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

Run the following command to set the oracle user password ：

passwd oracle

Configure environment variables

Run the following command:

sudo vi /etc/profile

Add the following content in the text editor:

export ORACLE_BASE=/opt/oracle export ORACLE_HOME=$ORACLE_BASE/product/12.1.0/dbhome_1 export ORACLE_SID=orcl export PATH=$ORACLE_HOME/bin:$ PATH

Install Oracle

Unzip the Oracle installation file:

unzip linuxamd64_12102_database_1of2.zip -d /tmp/database unzil linuxamd64_12102_database_2of2.zip -d /tmp /database

unzip linux.x64_11gR2_database_1of2.zip -d /tmp/database unzil linux.x64_11gR2_database_2of2.zip -d /tmp/database

gunzip linux_10201_database_linux_x86_64.cpio.gz cpio -id

Install Oracle:

sudo su - oracle /tmp/database/database/runInstaller

System The Oracle installation wizard will start. Follow the wizard prompts.

Operations after the installation is completed

After the Oracle installation is completed, you need to perform some necessary operations:

(1) Set environment variables:

sudo vi /etc/profile

Add the following content in the text editor:

export ORACLE_BASE=/opt/oracle export ORACLE_HOME=$ORACLE_BASE/product/12.1. 0/dbhome_1 export ORACLE_SID=orcl export PATH=$ORACLE_HOME/bin:$PATH

(2) Restart the server:

sudo reboot

(3) Start Oracle:

Execute the following command in the terminal:

sqlplus /nolog connect / as sysdba startup

At this point, the installation of Oracle on the Linux system has been completed. If you want to use other versions of Oracle, you only need to download the corresponding installation file and follow the above steps. In the process of using Oracle, some related knowledge and skills are also required, and you need to continuously learn and improve in practice.

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