Install the ldap client packages :

yum install -y openldap openldap-clients pam_ldap nss-pam-ldapd authconfig
yum install -y oddjob-mkhomedir oddjob

Restart D-Bus, this might require to restart some services that rely on D-Bus, such as hal :

chkconfig messagebus on
service messagebus restart

Start the oddjob service :

chkconfig oddjobd on
service oddjobd start

Connect ldap client to ldapserver:

authconfig –enableldap –enableldapauth –ldapserver=<ldapserver1.fqdn>,<ldapserver1.fqdn> –ldapbasedn=”dc=example,dc=com” –enablemkhomedir –update