1.安裝PHP和apache
如果沒有EPEL的源需要安裝下
yum install epel-release
若沒有下載下來，就建立/etc/yum.repo.d/epel.repo

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[epel]
name=Extra Packages for Enterprise Linux 6 - $basearch
#baseurl=Fedora project.org/pub/epel/6/$basearch
mirrorlist=
failovermethod=priority
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

[epel-debuginfo]
name=Extra Packages for Enterprise Linux 6 - $basearch - Debug
#baseurl=fedoraproject.org/pub/epel/6/$basearch/debug
mirrorlist=
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
gpgcheck=1

[epel-source]
name=Extra Packages for Enterprise Linux 6 - $basearch - Source
#baseurl=fedoraproject.org/pub/epel/6/SRPMS
mirrorlist=
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
gpgcheck=1

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phpldapadmin依賴apache和php

yum install php httpd
配置httpd.conf

2.安裝OpenLDAP
yum install *openldap* openldap openldap-servers openldap-clients
配置OpenLDAP，配置檔案/etc/openldap/slapd.conf
該檔案預設沒有，從/usr/share/openldap-servers/slapd.conf.obsolete複製一份到該位置
owner為ldap:ldap

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database monitor
access to *
by dn.exact="gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth" read
by dn.exact="cn=Manager,dc=iflyyun,dc=cn" read
by * none
database bdb
suffix "dc=iflyyun,dc=cn"
checkpoint 1024 15
rootdn "cn=Manager,dc=iflyyun,dc=cn"

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配置/etc/openldap/ldap.conf

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BASE dc=iflyyun,dc=cn
URI ldap://bja-pro0002..cpcc.iflyyun.cn

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配置ldap管理員使用者密碼
sldappasswd（注意不要用ldappasswd，否則會報GSSAPI錯誤）
輸入密碼，獲得{SSHA}ph+VRzfWSeamboy0itVlazrJrxzVHh80格式的密碼再修改/etc/openldap/slapd.conf
直接使用明文密碼，使用加密密碼有點問題
配置apache識別index.php
修改/etc/httpd/conf/httpd.conf
找到下面這一行，新增index.php
DirectoryIndex index.html index.html.var index.php
修改/etc/httpd/conf.d/php.conf
測試OpenLDAP配置檔案是否正確：
slaptest -u -f /etc/openldap/slapd.conf

3.安裝phpldapadmin
yum install phpldapadmin
配置/etc/phpldapadmin/config.ini

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$servers->setValue('server','host','192.168.51.211');
$servers->setValue('server','port',389);
$servers->setValue('server','base',array('dc=iflyyun,dc=cn'));
$servers->setValue('login','auth_type','cookie');
$servers->setValue('login','bind_id','cn=Manager,dc=iflyyun,dc=cn');

$servers->setValue('login','attr','dn');（397行，這行取消註釋）
// $servers->setValue('login','attr','uid');（將這行註釋掉，否則登入會報錯）

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修改/etc/httpd/conf.d/phpldapadmin.conf，允許從其他機器訪問

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Order Deny,Allow
Allow from all

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4.phpldapadmin配置
刪除/etc/openldap/lapd.d/目錄下的所有檔案
建立LDAP根目錄
ldapadd -x -D"cn=Manager,dc=iflyyun,dc=cn" -f base.ldif -W
base.ldif

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dn: dc=iflyyun,dc=cn
o: ldap
objectclass: dcObject
objectclass: organization

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建立管理員使用者
# Manager, iflyyun.cn
dn: cn=Manager,dc=iflyyun,dc=cn
objectClass: simpleSecurityObject
objectClass: organizationalRole
cn: Manager
description: LDAP administrator

5.LDAP客戶端配置
安裝必備軟體
yum install nss-pam-ldapd pam_ldap openldap-clients
需要修改的配置檔案有：
/etc/sysconfig/authconfig、/etc/pam.d/system-auth、/etc/openldap/ldap.conf、/etc/nssswitch.conf
修改/etc/sysconfig/authconfig

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IPADOMAINJOINED=no
USEMKHOMEDIR=yes
USEPAMACCESS=no
CACHECREDENTIALS=yes
USESSSDAUTH=no
USESHADOW=yes
USEWINBIND=no
USEDB=no
FORCELEGACY=no
USEFPRINTD=yes
FORCESMARTCARD=no
PASSWDALGORITHM=yes
USELDAPAUTH=yes
USEPASSWDQC=no
IPAV2NONTP=no
USELOCAUTHORIZE=yes
USECRACKLIB=yes
USEIPAV2=no
USEWINBINDAUTH=no
USESMARTCARD=no
USELDAP=yes
USENIS=no
USEKERBEROS=no
USESYSNETAUTH=yes
USESSSD=no
USEHESIOD=no

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修改/etc/pam.d/system-auth

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#%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_ldap.so
auth sufficient pam_unix.so nullok try_first_pass
auth requisite pam_succeed_if.so uid >= 500 quiet
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 required pam_permit.so
account required pam_ldap.so

password requisite pam_cracklib.so try_first_pass retry=3 type=
password sufficient pam_unix.so md5 shadow nullok try_first_pass use_authtok
password sufficient pam_ldap.so use_authtok md5
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 required pam_mkhomedir.so skel=/etc/skel/ umask=0022
session optional pam_ldap.so

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修改/etc/openldap/ldap.conf

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#
# LDAP Defaults
#

# See ldap.conf(5) for details
# This file should be world readable but not world writable.

#BASE dc=example,dc=com
#URI ldap://ldap.example.com ldap://ldap-master.example.com:666

#SIZELIMIT 12
#TIMELIMIT 15
#DEREF never

TLS_CACERTDIR /etc/openldap/cacerts

BASE dc=iflyyun,dc=cn
URI ldap://hfa-pro0002.hadoop.cpcc.iflyyun.cn

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修改/etc/nssswitch.conf

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#
# /etc/nsswitch.conf
#
# An example Name Service Switch config file. This file should be
# sorted with the most-used services at the beginning.
#
# The entry '[NOTFOUND=return]' means that the search for an
# entry should stop if the search in the previous entry turned
# up nothing. Note that if the search failed due to some other reason
# (like no NIS server responding) then the search continues with the
# next entry.
#
# Valid entries include:
#
# nisplus Use NIS+ (NIS version 3)
# nis Use NIS (NIS version 2), also called YP
# dns Use DNS (Domain Name Service)
# files Use the local files
# db Use the local database (.db) files
# compat Use NIS on compat mode
# hesiod Use Hesiod for user lookups
# [NOTFOUND=return] Stop searching if not found so far
#

# To use db, put the "db" in front of "files" for entries you want to be
# looked up first in the databases
#
# Example:
#passwd: db files nisplus nis
#shadow: db files nisplus nis
#group: db files nisplus nis

passwd: files ldap
shadow: files ldap
group: files ldap

#hosts: db files nisplus nis dns
hosts: files dns

# Example - obey only what nisplus tells us...
#services: nisplus [NOTFOUND=return] files
#networks: nisplus [NOTFOUND=return] files
#protocols: nisplus [NOTFOUND=return] files
#rpc: nisplus [NOTFOUND=return] files
#ethers: nisplus [NOTFOUND=return] files
#netmasks: nisplus [NOTFOUND=return] files

bootparams: nisplus [NOTFOUND=return] files

ethers: files
netmasks: files
networks: files
protocols: files
rpc: files
services: files

netgroup: nisplus

publickey: nisplus

automount: files nisplus
aliases: files nisplus

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開啟名稱快取服務
service nscd restart

在CentOS 6.5上安裝OpenLDAP並配置LDAP方式使用者登入

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