Installing Oracle under CentOS

1 , in the installation Oracle before installing the following component packages first, enter the following statements directly.

Yum Install binutils*-y

Yum Install compat-lib*-y

Yum Install gcc*-y

Yum Install glibc*-y

Yum Install ksh*-y

Yum Install libgcc*-y

Yum Install libstdc*-y

Yum Install libaio*-y

Yum Install make*-y

Yum Install sysstat*-y

2 , under root user , view sysctl.conf

Vi/etc/sysctl.conf

Then write the following parameters: Press i to enter the insertion mode, enter the completion of the ESC exit to command mode, and then lose: Enter the last line mode and then lose Wq to save the exit

Fs.aio-max-nr =1048576

Fs.file-max =6815744

Kernel.shmall =2097152

Kernel.shmmax =4294967295

Kernel.shmmni =4096

Kernel.sem = 25032000 100 128

Net.ipv4.ip_local_port_range= 9000 65500

net.core.rmem_default= 262144

Net.core.rmem_max =4194304

net.core.wmem_default= 262144

Net.core.wmem_max =1048576

After writing the parameters, enter the following command to make the parameters effective

/sbin/sysctl-p

3,root user, view, if no parameters, join can

Vi/etc/security/limits.conf

Oraclesoft Nproc 2047

Oraclehard Nproc 16384

Oraclesoft Nofile 1024

Oraclehard Nofile 65536

Oraclesoft Stack 10240

4.Root user

[[Email protected]~]# groupadd DBA// add dba user Group (ORACLE Management Group)

[[Email protected]~]# groupadd oinstall// add oinstall user Group (ORACLE installation Group)

[Email protected]~]# groupadd Oper

[[Email protected]~]# useradd-g oinstall-g dba Oracle// Create Oracle user and join group

[[Email protected]~]# passwd Oracle// Modify password for Oracle user

[[Email protected]~]# CD/ //switch to root directory

[[Email protected]/]# mkdir-p/u01/app/oracle// Create installation directory

[[Email protected]/]# chown-r Oracle:oinstall/u01/app// Modify the installation directory permissions

[Email protected]/]# chmod-r 775/u01/app/oracle

5.Oracle User operation

Execute VI. bash_profile in the home directory of the Oracle user

The following parameters are then written to

EXPORTORACLE_SID=ORCL// DB instance Name

exportoracle_base=/u01/app/oracle//oracle installation directory

exportoracle_home= $ORACLE _base/product/11.2.0/db_1//oracle Home Directory

exportpath= $PATH: $ORACLE _home/bin// search Path

exportoracle_term=xterm// Specifies the type of Oracle terminal to be installed

Exportld_library_path= $LD _library_path: $ORACLE _home/lib

// Set the path path of the temporary library file

Exportclasspath= $ORACLE _home/jre:oracle_home/jlib: $ORACLE _home/rdbms/jlib

// set javalib File Search Path

Then use source.bash_profile to make the settings effective

6. Unzip the downloaded installation files (p13390677_112040_linux-x86-64_1of7.zip and p13390677_112040_linux-x86-64_ 2of7.zip)

Just unzip it.

Unzipp13390677_112040_linux-x86-64_1of7.zip./

Unzipp13390677_112040_linux-x86-64_2of7.zip./

Extract to current directory

After the decompression will generate a directory called database , to the database directory ls can see a file called Runinstaller , and then enter the command:. Runinstaller

You can see that there's a graphical interface that jumps out and installs it.

Installing Oracle under CentOS