Cannot find mpm-itk after installing

Solution 1:

If mpm_prefork installed then it may cause issues while enabling mpm_itk.

So disable mpm_prefork and then try enabling or try reinstalling mpm_itk.

# a2dismod mpm_prefork
# a2enmod mpm_itk

EDIT: Installation

sudo apt-get install libapache2-mpm-itk

Then try

a2enmod mpm_itk

You have choose proper package to install it seems , observe the below log

Setting up libapache2-mpm-itk (2.4.7-04-1) ...
apache2_invoke: Enable module mpm_itk
root@openstackm1:~# a2enmod mpm_itk
Considering dependency mpm_prefork for mpm_itk:
Considering conflict mpm_event for mpm_prefork:
Considering conflict mpm_worker for mpm_prefork:
Module mpm_prefork already enabled
Module mpm_itk already enabled
root@openstackm1:~#