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Title: 11gr2 linux Database Installation Guide
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Introduction
Database installation can be a daunting task, especially for those who are new to the process. Thankfully, Oracle provides detled instructions on how to install their 11gR2 Linux database. In this article, we will provide a step-by-step guide on how to install the 11gR2 Linux database.
Step 1: System Requirements
Before installing the database, it is important to ensure that your system meets the minimum requirements. The requirements are as follows:
– A minimum of 2GB of RAM
– 1GB of disk space for the software
– 2GB of disk space for the database files
– Linux x86 or x86-64 operating system
Step 2: Download the Installation Files
The next step is to download the installation files from the Oracle website. To do this, go to the following link: https://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html
Once the download is complete, navigate to the directory where the files were downloaded.
Step 3: Extract the Installation Files
Next, extract the installation files. To do this, run the following command in the terminal:
$ unzip linux_11gR2_database_1of2.zip
$ unzip linux_11gR2_database_2of2.zip
This will extract the files to a directory called “database”.
Step 4: Install Required Packages
Before proceeding with the installation, you will need to install some required packages. To do this, run the following command in the terminal:
$ sudo yum install binutils compat-libcap1 compat-libstdc++-33 gcc gcc-c++ glibc glibc-devel ksh libo libo-devel libgcc libstdc++ libstdc++-devel make sysstat
Step 5: Modify Kernel Parameters
Next, you will need to modify some kernel parameters. To do this, open the /etc/sysctl.conf file and add the following lines:
fs.file-max = 6815744
kernel.sem = 250 32023 100 128
kernel.shmmni = 4096
kernel.shmall = 1073741824
kernel.shmmax = 4398046511104
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576
Then, run the following command in the terminal to apply the changes:
$ sudo sysctl -p
Step 6: Create the Oracle User
Next, you will need to create the Oracle user. To do this, run the following command in the terminal:
$ sudo useradd -m -d /home/oracle -s /bin/bash oracle
Then, set the password for the Oracle user by running the following command:
$ sudo passwd oracle
Step 7: Edit the Environment Variables for the Oracle User
Now you will need to edit the environment variables for the Oracle user. To do this, open the .bash_profile file in the Oracle user’s home directory and add the following lines:
export ORACLE_SID=orcl
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/dbhome_1
export PATH=$PATH:$ORACLE_HOME/bin
Then run the following command to apply the changes:
$ source .bash_profile
Step 8: Run the Installer
It is now time to run the installer. To do this, navigate to the directory where the installation files were extracted and run the following command:
$ ./runInstaller
Follow the prompts to complete the installation.
Step 9: Configure the Database
Once the installation is complete, you will need to configure the database. To do this, run the following command in the terminal:
$ $ORACLE_HOME/bin/dbca
Conclusion
Installing the 11gR2 Linux database can be a time-consuming task, but by following the steps outlined in this article, you should be able to complete it successfully. Remember to take your time and ensure that all of the required packages and kernel parameters are properly configured. Happy installing!
相關(guān)問題拓展閱讀：
- linux 怎么卸載oracle 11g r2安裝的包
linux 怎么卸載oracle 11g r2安裝的包
1、使用SQL*PLUS停止數(shù)據(jù)庫。
$ sqlplus /nolog
SQL> connect / as sysdba
SQL> shutdown
SQL> exit
2、停止Listener
$ lsnrctl stop
3、停止HTTP服乎純務(wù)
# service httpd stop
4、用su或者重新登錄到root(如想重新安裝可以保留oracle用戶，省得輸入環(huán)境變量了)
5、將安裝目錄刪除
# rm -rf /u01/app/oracle/
6、將/usr/bin下的文件刪除
# rm /usr/local/bin/dbhome
# rm /usr/local/bin/oraenv
# rm /usr/local/bin/coraenv
7、將/etc/oratab刪除
# rm /etc/oratab
8、將/etc/oraInst.loc刪除
# rm /etc/oraInst.loc
9、將oracle用戶刪除(若要重新安裝,可以不刪除)
# userdel –r oracle
10、將用戶組刪除(若要重新安裝,可以不刪除)
# groupdel oinstall
# groupdel dba
11、將啟動服務(wù)刪除
# chkconfig –del dbora
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當(dāng)前名稱：11gr2Linux數(shù)據(jù)庫安裝指南(11gr2linux)
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