At first sight a good explanation on setting up an ldap on a CentOS machine.
First we start looking at a low profile CentOS machine to activate on my ESXi. Follow these steps:
1) Getting CentOS:
http://www.server-world.info/en/note?os=CentOS_5&p=make_media
2) Preparing the ESXi instance:
http://www.server-world.info/en/note?os=CentOS_5&p=vmware_esxi&f=3
3) Installing CentOS:
http://www.server-world.info/en/note?os=CentOS_5&p=install
4) Installing LDAP:
http://www.server-world.info/en/note?os=CentOS_5&p=ldap&f=1
5) Testing LDAP:
… to be done … I will update the article once finished.
e.g.: http://vuksan.com/linux/LDAP_authentication_under_Linux.html