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OpenLDAP client side Configuration to authenticate against OpenLDAP server. for installing OpenLDAP server follow by previous post  https://sathisharthars.wordpress.com/2013/04/23/configuring-ldap-server .

#yum -y install openldap-clients nss-pam-ldapd

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# vi /etc/openldap/ldap.conf
# add at the last line
# LDAP server’s URI
URI ldap://192.168.31.50/
# specify Suffix
BASE dc=bhuvana,dc=com

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#vi /etc/nslcd.conf
# line 131: specify URI, Suffix
uri ldap://192.168.31.50
base dc=bhuvana,dc=com
ssl no

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#vi /etc/pam_ldap.conf
# line 17: make it comment
# host 127.0.0.1
# line 20: specify Suffix
base dc=bhuvana,dc=com
# add at the last line
uri ldap://192.168.31.50/
ssl no
pam_password md5

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# 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

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#vi /etc/nsswitch.conf
passwd:files ldap
shadow:files ldap
group:files ldap
netgroup:ldap
automount: files ldap

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#vi /etc/sysconfig/authconfig
USELDAP=yes

#service nslcd restart
#chkconfig nslcd on
#shutdown -r now

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http://www.sathish.com login: bhuvana
Password:
Creating directory ‘/home/bhuvana’.

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