How to install Oracle Database 10g on Linux operating system

With the continuous progress of information construction, database software has become an important part of enterprise information construction. Oracle is one of the most commonly used and widely used database software in the industry. This article will introduce how to install Oracle Database 10g on the Linux operating system.

1. First, we need to download the installation package of Oracle database 10g. Just download it from the official website or other trusted download websites. After the download is completed, we need to upload the installation package to the Linux system. You can upload using FTP or SCP.

2. Unzip the installation package. Use the following command to decompress the Oracle installation file on the Linux command line:

$ unzip <安装包文件名>.zip

3. Preparations before installation. Before installing Oracle Database 10g, you need to install some required software packages and library files. The specific process is as follows:

1. Install dependent software packages:

$ yum install gcc-c++/binutils \
 compat-libstdc++-33 \
 elfutils-libelf-devel \
 elfutils-libelf-devel-static \
 gcc \
 glibc \
 glibc-common \
 glibc-devel \
 glibc-headers \
 ksh \
 libaio \
 libaio-devel \
 libgcc \
 libstdc++ \
 libstdc++-devel \
 make \
 sysstat

2. Modify kernel parameters:

Edit /etc/sysctl. conf file, add the following content at the end and save it.

fs.file-max = 6815744
kernel.sem = 250 32000 100 128
kernel.shmmax = 4294967295
kernel.shmall = 1073741824
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576

Run the following command to make the above modifications take effect:

$ sysctl -p

3. Create the users and groups required for Oracle:

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

4. Install the Oracle database . In the Linux command line, enter the directory of the Oracle installation file you just decompressed and execute the following command:

$ ./runInstaller

Then, the Oracle installation wizard will appear, follow the prompts.

1. Select the installation type: Select "Custom".
2. Select the location where Oracle software is installed.
3. Set the Oracle Inventory directory and Oracle Base directory to the home directory of the oracle user created previously.
4. Set the memory and SGA size according to actual needs and hardware configuration. After making changes, click the "Next" button.
5. Configure passwords, including administrator accounts for SYS/SYSTEM and all databases. After setting, click the "Next" button.
6. Select the components to be installed.
7. Click the "Install" button to install.
8. After the installation is completed, click the "Close" button to close the Oracle installation wizard.

5. Configure the Oracle database.

1. Set environment variables. Add the following content to .bash_profile in the oracle user's home directory.

export ORACLE_HOME=/u01/app/oracle/product/10.2.0/db_1
export ORACLE_BASE=/u01/app/oracle
export ORACLE_SID=orcl
export LANG=en_US.UTF-8
export PATH=$PATH:$ORACLE_HOME/bin

2. Initialize the Oracle database:

$ cd $ORACLE_HOME/bin
$ ./dbca

Just follow the prompts in the wizard. After the initialization is completed, the Oracle database is installed successfully.

6. Summary

This article mainly introduces the steps to install Oracle database 10g under the Linux operating system, including downloading the installation package, decompression, pre-installation preparations, installing Oracle database and configuring Oracle database . Although the process of installing Oracle is relatively complicated, you can successfully install it as long as you follow the steps. As one of the most commonly used and large-scale relational database management systems currently, Oracle database has been widely recognized and applied in terms of performance, reliability, stability and security. Therefore, it is necessary to be proficient in the installation and use of Oracle database.

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