[root@vm-centos01 ~]# tail /var/log/messages  
 Jul  2 09:25:33 vm-centos01 xfs: nss_ldap: reconnecting to LDAP server (sleeping 16 seconds)... 
 Jul  2 09:25:49 vm-centos01 xfs: nss_ldap: failed to bind to LDAP server ldap://light.deathnote.net: Can't contact LDAP server 
 Jul  2 09:25:49 vm-centos01 xfs: nss_ldap: failed to bind to LDAP server ldap://10.0.1.21/: Can't contact LDAP server 
 Jul  2 09:25:49 vm-centos01 xfs: nss_ldap: reconnecting to LDAP server (sleeping 32 seconds)... 
 Jul  2 09:26:21 vm-centos01 xfs: nss_ldap: failed to bind to LDAP server ldap://light.deathnote.net: Can't contact LDAP server 
 Jul  2 09:26:21 vm-centos01 xfs: nss_ldap: failed to bind to LDAP server ldap://10.0.1.21/: Can't contact LDAP server 
 Jul  2 09:26:21 vm-centos01 xfs: nss_ldap: reconnecting to LDAP server (sleeping 64 seconds)... 
 Jul  2 09:27:25 vm-centos01 xfs: nss_ldap: failed to bind to LDAP server ldap://light.deathnote.net: Can't contact LDAP server 
 Jul  2 09:27:25 vm-centos01 xfs: nss_ldap: failed to bind to LDAP server ldap://10.0.1.21/: Can't contact LDAP server 
 Jul  2 09:27:25 vm-centos01 xfs: nss_ldap: could not search LDAP server - Server is unavailable

 [root@vm-centos01 ~]# netstat -tuan|grep 389 
 [root@vm-centos01 ~]#  
 

 [root@light ~]#  netstat -tuan|grep 389 
 tcp        0      0 0.0.0.0:389                 0.0.0.0:*                   LISTEN       
 tcp        0      0 127.0.0.1:55958             127.0.0.1:389               ESTABLISHED  
 tcp        0      0 127.0.0.1:389               127.0.0.1:55958             ESTABLISHED  
 [root@light ~]#

 [root@vm-centos01 ~]# more /etc/ldap.conf
 host  light.deathnote.net
 base  dc=deathnote,dc=net
 uri   ldap://10.0.1.21/ 
 ssl off
 

 [root@light openldap]# more /etc/ldap.conf 
 host  127.0.0.1
 base  dc=deathnote,dc=net
 uri  ldap://127.0.0.1/ 
 ssl no 
 pam_password md5  
 

 [root@light openldap]# more /etc/openldapldap.conf 
 # 
 # LDAP Defaults 
 # 
  
 # See ldap.conf(5) for details 
 # This file should be world readable but not world writable. 
  
 #HOST   127.0.0.1 
 BASE dc=deathnote,dc=net 
 #URI    ldap:///light.deathnote.net ldap:///light.deathnote.net:666 
  
 #SIZELIMIT      12 
 #TIMELIMIT      15 
 #DEREF          never 
 URI ldap://127.0.0.1/ 
 #TLS_CACERTDIR /etc/openldap/cacerts 
 

 [root@vm-centos01 ~]# more /etc/pam.d/system-auth 
 #%PAM-1.0 
 # This file is auto-generated. 
 # User changes will be destroyed the next time authconfig is run. 
 auth        required      pam_env.so 
 auth        sufficient    pam_unix.so nullok try_first_pass 
 auth        requisite     pam_succeed_if.so uid >= 500 quiet 
 auth        sufficient    pam_ldap.so use_first_pass 
 auth        required      pam_deny.so 
  
 account     required      pam_unix.so broken_shadow 
 account     sufficient    pam_localuser.so 
 account     sufficient    pam_succeed_if.so uid < 500 quiet 
 account     [default=bad success=ok user_unknown=ignore] pam_ldap.so 
 account     required      pam_permit.so 
  
 password    requisite     pam_cracklib.so retry=3 
 password    sufficient    pam_unix.so md5 shadow nullok try_first_pass use_authtok 
 password    sufficient    pam_ldap.so use_authtok 
 password    required      pam_deny.so 
  
 session     optional      pam_keyinit.so revoke 
 session     required      pam_limits.so 
 session     optional      pam_mkhomedir.so 
 session     [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid 
 session     required      pam_unix.so 
 session     optional      pam_ldap.so 
 

 [root@vm-centos01 ~]# more /etc/sysconfig/authconfig  
 USEWINBINDAUTH=no 
 USEKERBEROS=no 
 USESYSNETAUTH=no 
 USEPAMACCESS=no 
 USEMKHOMEDIR=yes 
 FORCESMARTCARD=no 
 USESMBAUTH=no 
 USESMARTCARD=no 
 USELDAPAUTH=yes 
 USEDB=no 
 USEWINBIND=no 
 USESHADOW=yes 
 PASSWDALGORITHM=md5 
 USEHESIOD=no 
 USELDAP=yes 
 USELOCAUTHORIZE=yes 
 USEPASSWDQC=no 
 USECRACKLIB=yes 
 USENIS=no 
 USEMD5=yes
 [root@vm-centos01 ~]#  
 

 /etc/nsswitch.conf
 passwd:     files ldap 
 shadow:     files ldap 
 group:      files ldap 
 hosts:      files dns
 

 [root@light openldap]# more slapd.conf
 include         /etc/openldap/schema/core.schema 
 include         /etc/openldap/schema/cosine.schema 
 include         /etc/openldap/schema/inetorgperson.schema 
 include         /etc/openldap/schema/nis.schema 
 

 loglevel        296 
 

 pidfile         /var/run/openldap/slapd.pid access to attrs=shadowLastChange,userPassword 
         by anonymous auth 
         by self write 
         by * auth 
  
 access to * 
         by * read 
 argsfile        /var/run/openldap/slapd.args 
 

 database        bdb 
 suffix          "dc=deathnote,dc=net" 
 rootdn          "cn=Manager,dc=deathnote,dc=net" 
 rootpw          {SSHA}/ZKRMzbmnEVoUNdqx3T1gsh2AmyvJmCi
 

 directory       /var/lib/ldap
 

 # Indices to maintain for this database 
 index objectClass                       eq,pres 
 index ou,cn,mail,surname,givenname      eq,pres,sub 
 index uidNumber,gidNumber,loginShell    eq,pres 
 index uid,memberUid                     eq,pres,sub 
 index nisMapName,nisMapEntry            eq,pres,sub