Detailed introduction to the installation path of Oracle in Linux system

Oracle installation pathLinux

Oracle is a very popular relational database management system. It is very common to install Oracle in Linux systems, but beginners often do not understand the installation path settings and related configurations. This article will introduce in detail the installation path of Oracle in Linux systems.

1. Preparation before installing Oracle

Before installing Oracle, you need to ensure that the system has installed the necessary dependencies, including:

1. gcc: used for compilation C language compiler
2. libaio: used for asynchronous input and output
3. libstdc: used for C runtime library
4. libXtst: used for X Window System test library

The installation method is as follows:

$ sudo yum install gcc libaio libstdc++ libXtst

2. Set the Oracle installation path

When installing Oracle, you need to create a new user and group for running Oracle-related services. We can create an oracle user to run Oracle. The command to create a user is as follows:

$ sudo groupadd oinstall
$ sudo useradd -g oinstall oracle
$ sudo passwd oracle

After creating the user, we need to set the installation path of Oracle. Here we install Oracle to the /opt directory. First, you need to ensure that the owner of the /opt directory is the oracle user:

$ sudo chown -R oracle:oinstall /opt

Then you need to create a new directory for Oracle installation and data storage:

$ sudo mkdir /opt/oracle
$ sudo chown oracle:oinstall /opt/oracle

Next, we need to visit the Oracle official website Download the installation program from the website and extract it to the /opt/oracle directory:

$ cd /opt/oracle
$ unzip /path/to/oracle/installer.zip

After the decompression is completed, we need to authorize the folder:

$ chown -R oracle:oinstall /opt/oracle
$ chmod -R u+w /opt/oracle

3. Install Oracle

Now that we are ready to install Oracle, we need to perform a series of steps:

1. Start the Oracle installation program:

$ cd /opt/oracle/database
$ sudo ./runInstaller

2. In In the pop-up window, select "Install database software" and click Next:
3. In the next interface, select the language and click Next:
4. In the product configuration wizard, select "Single instance Oracle Database Installation" and click Next:
5. In the system category, select "Server Class" and click Next:
6. In the target location, select "Oracle Base Directory" and "Software Location " is /opt/oracle, and click Next:
7. A warning will appear. You need to modify it accordingly according to the warning content. After the modification is completed, click recheck:
8. In the setting library File location interface, select "Use the same directory" and change the "Software location" to /opt/oracle/oracle/product/11.2.0/dbhome_1, then click Next:
9. In the installation options, select "Memory Selection" and enter 80% of the system's available memory, then click Next:
10. During the completion verification, confirm that all steps are correct and click Next:
11. Wait for the installation to complete:
12. Configuration errors may occur during the installation process, please make adjustments according to the error description.

4. Conclusion

Through the above steps, we can set the installation path of Oracle in the Linux system and complete the installation, so that we can use Oracle for database management services, and at the same time during the installation process I also have a certain understanding of error handling. In this way, Oracle installation in Linux systems is no longer a headache.

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