[root@localhost sbin]# slapd -d 5
@(#) $OpenLDAP: slapd 2.2.13 (Oct 18 2005 13:07:52) $
        build@amd64.asplinux.com.ua:/home/build/asplinux/BUILD.openldap/BUILD/openldap-2.2.13/openldap-2.2.13/build-servers/servers/slapd
daemon_init: <null>
daemon_init: listen on ldap:///
daemon_init: 1 listeners to open...
ldap_url_parse_ext(ldap:///)
daemon: bind(6) failed errno=98 (Address already in use)
daemon: bind(6) failed errno=98 (Address already in use)
slap_open_listener: failed on ldap:///
slapd stopped.
connections_destroy: nothing to destroy.
[root@localhost sbin]#