In this lesson, you learn how to configure Linux and prepare for the installation of Oracle Database 10g.
TopicsThis lesson covers the following topics:
Overview Prerequisites Checking the Hardware Requirements Configuring the Kernel and Creating the oracle User
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OverviewBack to List
The lesson prepares the Linux operating system for the installation of Oracle Database 10g.
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Before starting this lesson, you should have:
1.
Installed an Oracle Database 10g certified version of Linux on a platform certified for that version of Linux. To see the latest certification information, use Metalink and select Certify & Availability. You can also use OTN.
Checking the Hardware Requirements
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The system on which you install Linux must meet the following requirements:
512 MB of physical random access memory (RAM)
1 GB of swap space (or twice the size of RAM)
Swap space between one and two times the size of RAM (on systems with 2 GB or more of RAM)
400 MB of disk space in the /tmp directory
2.1 GB of disk space for the Oracle software and Sample Schema Database
Configuring the Kernel and Creating the oracle UserBack to Topic List
To configure the system, follow these steps (written for Bourne, Korn, and bash shells):
1.
Open a terminal window and log in as the root user.
2.
The following local UNIX groups and user must exist on the system:
Groups: oinstall and dba
User: oracle
Optionally, the oper group can be created.
Group: oper
We now create the three groups oinstall, dba, and oper:
/usr/sbin/groupadd oinstall /usr/sbin/groupadd dba /usr/sbin/groupadd oper
3.
Create the operating system user oracle:
/usr/sbin/useradd -g oinstall -G dba,oper oracle
4.
Enter the following command to set the password of the oracle user:
/usr/bin/passwd oracle
5.
With an editor of your choosing, open /home/oracle/.bash_profile. If you are using another shell, please add the entries to the appropriate file.
umask 022 PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin LD_LIBRARY_PATH=/usr/lib:/usr/X11R6/lib ORACLE_BASE=/u01/app/oracle ORACLE_HOME=$ORACLE_BASE/product/10.1.0/db_1 ORACLE_SID=orcl PATH=$ORACLE_HOME/bin:$PATH export PATH LD_LIBRARY_PATH export ORACLE_BASE ORACLE_HOME ORACLE_SID
6.
Create the directory for the software installation and assign ownership to oracle:oinstall. In the example, you use /u01/app/oracle.
mkdir -p /u01/app/oracle chown -R oracle:oinstall /u01/app chmod -R 775 /u01/app
7.
Set required kernel parameters:
Parameter Value ---------------------------- ----------------- kernel.semmsl 250 kernel.semmns 3200 kernel.semopm 100 kernel.semmni 128 kernel.shmall 2097152 kernel.shmmax 2147483648 kernel.shmmni 4096 fs.file-max 65536 net.ipv4.ip_local_port_range 1024 65000
Open the /etc/sysctl.conf file in any text editor and add lines similar to the following:
kernel.sem = 250 32000 100 128
kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
fs.file-max = 65536
net.ipv4.ip_local_port_range = 1024 65000
With specified values for these parameters in the /etc/sysctl.conf file, the values persist when you reboot the system.
8.
The kernel changes made previously take effect with each reboot.
Issue this command to set the kernel parameters:
/sbin/sysctl -p
9.
Log in as operating system user oracle. You must install the software from an X Window System workstation, an X terminal, or a PC or other system with X server software installed.
Installing Oracle Database 10g on Linux Purpose
In this lesson, you learn how to install Oracle Database 10g on Linux.
TopicsThis lesson covers the following topics:
Overview Prerequisites Installing Oracle Database 10g on Linux
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OverviewBack to List
Using the Oracle Universal Installer, you install the Oracle Database 10g software and create a database.
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Before starting this lesson, you should have:
1.
Completed the Configuring Linux for the Installation of Oracle Database 10g lesson.
Installing Oracle Database 10g on Linux
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To install the Oracle software, you must use the GUI installer.
1.
Log in to the Linux box as user oracle and mount the Oracle Database 10g CD. Change directory to the CD and execute the script /mnt/cdrom/runInstaller from your home directory:
/mnt/cdrom/runInstaller
2.
At the Welcome window, click Next.
3.
You need to specify your Inventory directory. The location should be set to /u01/app/oracle/oraInventory. Accept the default Operating System group name, oinstall. Then click Next.
4.
The following window appears. Leave this window open.
5.
You need to execute orainstRoot.sh as the root user. Open a terminal window and enter the following commands:
su <rootpassword> cd /u01/app/oracle/oraInventory ./orainstRoot.sh exit exit
6.
Switch back to the Universal Installer window and click Continue.
7.
At the Specify File Locations window, change the path to /u01/app/oracle/product/10.1.0/db_1. Then click Next.
8.
Make sure the Installation Type Enterprise Edition is selected and click Next.
9.
The installer now verifies that the system meets all the minimum requirements for installing and configuring the chosen product. Please correct any reported issues before continuing. When the check successfully completes, click Next.
10.
You want to create a starter database. Make sure that Create a starter database and General Purpose are both selected. Then click Next.
11.
Enter orcl.oracle.com in the Global Database Name field, and select the Create database with example schemas check box. Then click Next. If you plan to perform any of the multilingual lessons, you should select Unicode standard UTF-8 AL32UTF8 as the database character set.
12.
The Select Database Management Option window enables you to choose between Database Control or Grid Control of your database. In this example, you accept the default, which is Database Control. Click Next.
13.
Specify the database file location as /u01/app/oracle/oradata and click Next.
14.
In the Specify Backup and Recovery Options window, you do not want to enable automated backups at this time. Accept the default and click Next.
15.
Enter and confirm a password for all accounts, and then click Next.
16.
Review the Summary window to verify what is to be installed. Then click Install.
17.
The progress window appears.
18.
The Configuration Assistants window appears.
19.
Your database is now being created.
20.
When the database is created, click OK.
21.
When the Setup Privileges window appears, open a new terminal window.
22.
You need to execute root.sh as the root user. From your terminal window, enter the following commands:
cd $ORACLE_BASE/product/10.1.0/db_1 su <rootpassword> ./root.sh exit exit
23.
The End of Installation summary appears. The ports shown in the summary can be found in $ORACLE_BASE/product/10.1.0/db_1/portlist.ini. Click OK.
24.
Click Yes to exit.
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