Download the latest eAccelerator from Sourceforge.
http://sourceforge.net/projects/eaccelerator/Run the following commands:#phpize
#./configure
#make
#make install
Create the file /etc/php.d/eaccelerator.ini#vi /etc/php.d/eaccelerator.ini
--
extension="eaccelerator.so"
eaccelerator.shm_size="0"
eaccelerator.cache_dir="/var/cache/eaccelerator"
eaccelerator.enable="1"
eaccelerator.optimizer="1"
eaccelerator.check_mtime="1"
eaccelerator.debug="0"
eaccelerator.filter=""
eaccelerator.shm_max="0"
eaccelerator.shm_ttl="0"
eaccelerator.shm_prune_period="0"
eaccelerator.shm_only="0"
eaccelerator.compress="1"
eaccelerator.compress_level="9"
--
Create /var/cache/eaccelerator ditrectory#mkdir -p /var/cache/eaccelerator
Change permission.#chmod 0777 /var/cache/eaccelerator
Restart Apache.#service httpd restart