Similar notification from Migration Manager is shown:
The following Apache modules are not installed on the destination server: `mem_cache`,`jk`,`bw`. Please install and enable these modules to prevent possible problems.
How to install and configure required Apache modules?
Additional modules for Apache web server can be configured by the following steps:
Check the version of installed Apache web server:
# rpm -qa | grep http
Download the sources for required Apache version and unzip it:
# wget archive.apache.org/dist/httpd/httpd-2.2.15.tar.gz
# tar xfz httpd-2.2.15.tar.gz
C++ support to the compiller,
# yum install gcc gcc-c++ kernel-devel httpd-devel
Check required files for compilation of modules. For example, information about
mem_cachemodule can be found in the following file:
# cat /root/httpd-2.2.15/modules/cache/config.m4
dnl # list of object files for mod_mem_cache
# cd /root/httpd-2.2.15/modules/cache
Configure required module with the following command:
# apxs -c -i mod_mem_cache.c cache_cache.c cache_pqueue.c cache_hash.c
mem_cacherequires anothe module
mod_cache. It acts as a support module for
mod_cacheand provides a memory based storage manager. Plesk has built-in support for
Additional information could be found in the official documentation
Restart Apache web server in order to apply changes in configuration.
After that, it will be possible to manage Apache modules via the Plesk interface Tools & Settings > Apache Web Server Settings
Note: Since version 10.4, Plesk has built-in support for
mod_bw . These modules can be installed via
Updates and Upgrades , it is called "Bandwidth Limiter For Apache support (mod_bw)" and "Tomcat Java Servlets support" .