install egroupware 1.8 on CentOS 6 or Fedora

1. login and switch to su accoutn
2. Install EPEL: rpm -ivh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-7.noarch.rpm
   Note: version number may be changed
3. Make sure system is up to date: yum update
4. install PHP mcrypt package: yum install php-mcrypt
5. go to yum repository: cd /etc/yum.repos.d/
6. download eGroupware repo info: wget http://download.opensuse.org/repositories/server:eGroupWare/CentOS_6/server:eGroupWare.repo
7. Install eGroupware: yum install eGroupware and you will get error messaage, which says database connection problem
8. /usr/share/egroupware/doc/rpm-build
9. Edit file post_install.php to add password for root@locahost of local mysql server instance.

   gedit post_install.php
   for example:
   'db_root' ='root', // mysql root user/pw to create database
   'db_root_pw' = '123456',

10. run post install script: post_install.php.
    script will show you user account name and password
11. access http://localhost/egroupware/ and done

Here is a list of competetors of eGroupware: competetors.