Cannot load /usr/lib/apache2/modules/libphp5.so

root@syswoody:/var/www/OCR/source# /etc/init.d/apache2 start
* Starting web server apache2                                                   
apache2: Syntax error on line 204 of /etc/apache2/apache2.conf:
Syntax error on line 1 of /etc/apache2/mods-enabled/php5.load:
Cannot load /usr/lib/apache2/modules/libphp5.so
into server: /usr/lib/apache2/modules/libphp5.so:
cannot open shared object file: No such file or directory

Solución:

aptitude install php5 libapache2-mod-php5