Scientific Linux 6
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Configure LDAP Client
2011/03/19
  Configuration for LDAP client
[root@www ~]#
yum -y install openldap-clients nss-pam-ldapd


[root@www ~]#
vi /etc/openldap/ldap.conf


# add at the last line

# LDAP server's URI

URI ldap://10.0.0.100/
# specify Suffix

BASE dc=srv,dc=world
TLS_CACERTDIR /etc/openldap/cacerts


[root@www ~]#
vi /etc/nslcd.conf


# line 131: specify URI, Suffix

uri
ldap://10.0.0.100/

base dc=
srv
,dc=
world

ssl no
tls_cacertdir /etc/openldap/cacerts


[root@www ~]#
vi /etc/pam_ldap.conf


# line 17: make it comment

#
host 127.0.0.1

# line 20: specify Suffix

base dc=
srv
,dc=
world


# add at the last line

uri ldap://10.0.0.100/
ssl no
tls_cacertdir /etc/openldap/cacerts
pam_password md5


[root@www ~]#
vi /etc/pam.d/system-auth


# add like follows

#%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_fprintd.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
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 try_first_pass retry=3 type=
password    sufficient    pam_unix.so sha512 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     [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid
session     required      pam_unix.so
session     optional      pam_ldap.so
# add if you need ( create home directory automatically if it's none )

session     optional      pam_mkhomedir.so skel=/etc/skel umask=077

[root@www ~]#
vi /etc/nsswitch.conf


passwd:   files
ldap
 
# line 33: add

shadow:   files
ldap
 
# add

group:   files
ldap
 
# add


netgroup:  
ldap
 
# line 57: change

automount: files
ldap
 
# line 61: change


[root@www ~]#
vi /etc/sysconfig/authconfig


# line 18: change

USELDAP=
yes


[root@www ~]#
chkconfig nslcd on

[root@www ~]#
shutdown -r now


www.srv.world login:
fermi
 
# user on LDAP

Password:
Creating directory '/home/fermi'.
[fermi@www ~]$  
# just logined

[fermi@www ~]$  
# try to change LDAP password

Changing password for user fermi.
Enter login(LDAP) password:
New password:
Retype new password:
LDAP password information changed for fermi
passwd: all authentication tokens updated successfully.
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