RedHatLinux Oracle10g installation instructions

2.1 Operating System, redhatESAS2.1 (x86), redhatESAS3 (x86) My redhatAS4.1. you can run the following command to check whether catetcissue2.2 requires security

2.1 Operating System, redhat ES/AS 2.1 (x86), redhat ES/AS 3 (x86) My redhat AS 4.1. You can run the following command to check whether cat/etc/issue2.2 requires security

1. Hardware requirements

1.1 memory at least 512 MB. Use the following command to check

Grep MemTotal/proc/meminfo

1.2 swap partition at least 1 GB

Grep SwapTotal/proc/meminfo

1.3/tmp directory idle zone at least 400 mb

Df-k/tmp 400 M

1.4 Hard Drive Free Zone at least 4 GB

Df-k

2. software requirements

2.1 Operating System, RedHat ES/AS 2.1 (x86), redhat ES/AS 3 (x86)

My redhat AS 4.1. You can use the following command to check

Cat/etc/issue

2.2 The following software packages must be installed

Gnu gcc package is at least a gcc-3.2.3-2

Make-3.79 · binutils-2.11 · openmotif-2.2.2-16 · setarch-1.3-1 ·

Compat-db-4.0.14.5 · compat-gcc-7.3-2.96.122 · compat-gcc-c ++-7.3-2.96.122 ·

Compat-libstdc ++-7.3-2.96.122 · compat-libstdc ++-devel-7.3-2.96.122

You can use the following command to check:

Rpm-q package_name

Note that package_name does not contain any version number, for example, check make-3.79.

Rpm-q make

If the above software is not installed, install. Start xwindow, open the application/system settings/add and delete programs

2.3 firewall software

If you do not know how to configure it, disable it. Disable it:

Open application/system settings/Security Level

3. Create groups and users required to install Oracle

The required users are oracle, the group is dba, And the oinstall

You can use the interface or command line

Groupadd osintall

Groupadd dba

Useradd-g oinstall-G dba oracle

Passwd oracle

4. Create a directory for installation and Installation

4.1 Oracle Base directory/u01/app/oracle

Mkdir-p/u01/app/oracle

Chown-R oracle: oinstall/u01/app/oracle

Chmod-R 755/u01/app/oracle

4.2 Oracle database file storage directory. This does not exist. It is generally set to/u02/oradata

Mkdir-p/u02/oradata

Chown-R oracle: oinstall/u02/oradata

Chmod-R 755/u02/oradata

5. Configure Kernel Parameters

5.1 use a text editor to create or edit the/etc/sysctl. conf file and add or modify the following lines:

Kernel. shmall = 2097152

Kernel. shmmax = 2147483648

Kernel. shmmni = 4096

Kernel. sem = 250 32000 100 128

Fs. file-max = 65536

Net. ipv4.ip _ local_port_range = 1024 65000

Net. core. rmem_default = 262144

Net. core. rmem_max = 262144

Net. core. wmem_default = 262144

Net. core. wmem_max = 262144

5.2 change the value of the current Kernel Parameter

Sysctl-p

6. Check whether your/etc/host. conf contains the following entries.

127.0.0.1 localhost

If not, oracle listeners cannot be started.

7. To improve the performance of running software on linux, you must set the following shell limits for oracle users.

7.1 restrictions on the number of files opened and the number of processes

Add the following row to the file/etc/security/limits. conf.

* Soft nproc 2047

* Hard nproc 16384

* Soft nofile 1024

* Hard nofile 65536

* Refers to the restrictions on all users and groups. The Oracle official documentation requires this. I suggest replacing * with oracle,

It indicates that it is only for oracle users. Because if it is set to *, it may affect other services (for example, for my Sybase service)

7.2 Add the following row to the file/etc/pam. d/login. If it does not exist

Session required/lib/security/pam_limits.so

The official Oracle website said this, but some people have found that this will also cause an impact.

My operating system version is Redhat AS 4.1. It is no problem to remove this line.

7.3 modify the default shell start-up file according to the default shell of oracle users.

If it is Bourne, Bash, or Korn shell, modify the environment variable/etc/profile file as follows:

If [\ $ USER = "oracle"]; then

If [\ $ SHELL = "/bin/ksh"]; then

Ulimit-p 16384

Ulimit-n 65536

Else

Ulimit-u 16384-n 65536

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If it is a c shell, the change value of the environment variable file/etc/csh. login is as follows:

If ($ USER = "oracle") then

Limit maxproc 16384

Limit descriptors 65536

Endif

8. Set environment variables for oracle users. Note that the following command is required to log on as an oracle user.

● Bash shell, change. bash_profile, and add the following lines

ORACLE_BASE =/u01/app/oracle

ORACLE_SID = **********

Export ORACLE_BASE ORACLE_SID

● C shell, change the. login file, and add the following lines

Setenv ORACLE_BASE/u01/app/oracle

Setenv ORACLE_SID **********

9. confirm that the environment variables of ORACLE_HOME and TNS_ADMIN are not set by the user.

Do not set these values because of other errors during installation.

● Bash shell

Unset ORACLE_HOME

Unset TNS_ADMIN

● C shell

Unsetenv ORACLE_HOME

Unsetenv TNS_ADMIN

10. Prepare the installation media

10.1 generally, I want to download the package online. First, extract the package to ensure that the directory after decompression is owned by oracle: oinstall and has the execution permission.

10.2 If the disk is mounted, the operating system will automatically mount it.

11. log on to xwindow as an oracle user and run runInstaller under the installation directory.

12. During the installation process, specify the password of the database user, and warn you not to include the "@" symbol. I will go to my blog to explain in detail why.

13. At the final stage of installation, you must follow the instructions of oui to run the two script files as root users.