**HOWTO install Oracle OCI8 on RHEL / CentOS / Fedora**


How to install OCI8 (PHP extension to access Oracle Databases) on a RHEL / Fedora Linux system.

Download from [[http://www.oracle.com/technetwork/database/features/instant-client/index-097480.html]] :

EDIT 2013/09/24 : [[http://www.oracle.com/technetwork/topics/linuxx86-64soft-092277.html]]
•RPM Instant Client Package – SDK: Additional header files and an example makefile for developing Oracle applications with Instant Client
•RPM Instant Client Package – Basic: All files required to run OCI, OCCI, and JDBC-OCI applications

Install both RPM packages :


rpm -ivh instantclient-basic-linux.XXX.rpm\\
rpm -ivh instantclient-sdk-linux.XXX.rpm

Install some prerequisite


yum install php-pear\\
yum install php-devel

Download the OCI8 extension


pear download pecl/oci8\\
tar xvzf oci8-1.4.7.tgz\\
cd oci8-1.4.7/\\
phpize\\

Configure the extension with your Oracle client library path (change the path …/11.2/… with your own version) :


./configure --with-oci8=shared,instantclient,/usr/lib/oracle/11.2/client64/lib/

Compil and install


make\\
make install\\

Configure SELinux : allows httpd to execute programs that require memory addresses that are both executable and writeable


setsebool -P httpd_execmem 1

Add the folowing configuration at the end of php.ini


vi /etc/php.ini


[OCI8]\\
extension=oci8.so\\

Restart Apache


service httpd restart

That’s all folks.