Install CentOs 5 and Sun Java Calendar Server + Configure lightning

Project is to install CENTOS 5 on a VM - ESXi 5 Install Sun Java Calendar server latest version configure all necessary features so we can use this server to publish and sync our thunderbird lignthing calander on to it. You will be provided TV access to our server so you can install and configure all necessary things. ## Deliverables Our plan is to install our own calendar server so we can publish and synchronise our calanders over here. This is for a small office with three people. Would like to know if there are any other opensource free office productivity tools that can be installed along with this in linux - like task management. We are open to sharing and trying out any advise provided. But the baseline project is to Install Centos 5 or later stable version (Including X Term ) Download and install sunjava calander server (Latest stable release) Configure this so we can publish our calendars and share or synchronize the calendars.