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After Sun had made [http://www.sun.com/smi/Press/sunflash/2005-11/sunflash.20051130.1.html the big announcement] that they were open-sourcing and making free their Sun Java Enterprise System suite, there now exists another viable alternative to OpenLDAP.
 
After Sun had made [http://www.sun.com/smi/Press/sunflash/2005-11/sunflash.20051130.1.html the big announcement] that they were open-sourcing and making free their Sun Java Enterprise System suite, there now exists another viable alternative to OpenLDAP.
 
The following guide is intended only for readers wishing to authenticate Ubuntu clients off an existing Sun Java Enterprise System Directory Server.
 
The following guide is intended only for readers wishing to authenticate Ubuntu clients off an existing Sun Java Enterprise System Directory Server.
Users wishing to authenticate off an OpenLDAP server should use the [[UbuntuHelp:LDAPClientAuthentication]] page instead.
+
Users wishing to authenticate off an OpenLDAP server should use the [[UbuntuHelp:LDAPClientAuthentication|LDAPClientAuthentication]] page instead.
 
== Name Switch Server Setup ==
 
== Name Switch Server Setup ==
 
The first step is to setup '''nss-ldap''', the LDAP-specific name switch server package.  During installation, accept all the defaults:
 
The first step is to setup '''nss-ldap''', the LDAP-specific name switch server package.  During installation, accept all the defaults:
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<pre><nowiki>
 
<pre><nowiki>
 
ncampbell@naaman:~$ sudo vi /etc/nsswitch.conf
 
ncampbell@naaman:~$ sudo vi /etc/nsswitch.conf
 +
 
# perform the following vi commands
 
# perform the following vi commands
 
:1,$s/compat/files ldap/g
 
:1,$s/compat/files ldap/g
 
:x!
 
:x!
 +
 
</nowiki></pre>
 
</nowiki></pre>
The /etc/libnss-ldap.conf file is where all the settings are configured.  For brevity, the example libnss-ldap.conf is attached and not listed in this document - https://help.ubuntu.com/community/[[UbuntuHelp:SunLDAPClientAuthentication|SunLDAPClientAuthentication]]??action=AttachFile&do=get&target=libnss-ldap.conf
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The /etc/libnss-ldap.conf file is where all the settings are configured.  For brevity, the example libnss-ldap.conf is attached and not listed in this document - [[UbuntuHelp:attachment:libnss-ldap.conf|attachment:libnss-ldap.conf]]
 
To test the setup of nss-ldap, perform the following command to see a listing of LDAP shadow entries:
 
To test the setup of nss-ldap, perform the following command to see a listing of LDAP shadow entries:
 
<pre><nowiki>
 
<pre><nowiki>
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ncampbell@naaman:~$ cd /etc/pam.d
 
ncampbell@naaman:~$ cd /etc/pam.d
 
ncampbell@naaman:/etc/pam.d$ sudo vi common-account
 
ncampbell@naaman:/etc/pam.d$ sudo vi common-account
account sufficient    pam_ldap.so
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account required      pam_unix.so
+
  account sufficient    pam_ldap.so
 +
  account required      pam_unix.so
 +
 
 
ncampbell@naaman:/etc/pam.d$ sudo vi common-auth
 
ncampbell@naaman:/etc/pam.d$ sudo vi common-auth
auth  sufficient      pam_ldap.so
+
 
auth  required        pam_unix.so nullok_secure use_first_pass
+
  auth  sufficient      pam_ldap.so
 +
  auth  required        pam_unix.so nullok_secure use_first_pass
 +
 
 
ncampbell@naaman:/etc/pam.d$ sudo vi common-password
 
ncampbell@naaman:/etc/pam.d$ sudo vi common-password
password  sufficient pam_ldap.so nullok
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password  required  pam_unix.so nullok obscure min=4 max=8 md5
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  password  sufficient pam_ldap.so nullok
 +
  password  required  pam_unix.so nullok obscure min=4 max=8 md5
 +
 
 
ncampbell@naaman:/etc/pam.d$ sudo vi common-session
 
ncampbell@naaman:/etc/pam.d$ sudo vi common-session
session sufficient    pam_ldap.so
+
 
session required      pam_unix.so
+
  session sufficient    pam_ldap.so
 +
  session required      pam_unix.so
 +
 
 
ncampbell@naaman:/etc/pam.d$ cd ~
 
ncampbell@naaman:/etc/pam.d$ cd ~
 
</nowiki></pre>
 
</nowiki></pre>
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* [http://web.singnet.com.sg/~garyttt/Installing%20and%20configuring%20iPlanet%20Directory%20Server%20for%20Solaris9.htm Installing and configuring iPlanet Directory Server for Solaris9] - namely Step 4: Configure RedHat Linux LDAP Client (OpenLDAP+PADL libraries) - also a good source of information on setting up a Sun Directory Server
 
* [http://web.singnet.com.sg/~garyttt/Installing%20and%20configuring%20iPlanet%20Directory%20Server%20for%20Solaris9.htm Installing and configuring iPlanet Directory Server for Solaris9] - namely Step 4: Configure RedHat Linux LDAP Client (OpenLDAP+PADL libraries) - also a good source of information on setting up a Sun Directory Server
 
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[[category:CategoryDocumentation]]
 
  
 
[[category:UbuntuHelp]]
 
[[category:UbuntuHelp]]

2009年5月12日 (二) 18:58的最新版本

Foreword

After Sun had made the big announcement that they were open-sourcing and making free their Sun Java Enterprise System suite, there now exists another viable alternative to OpenLDAP. The following guide is intended only for readers wishing to authenticate Ubuntu clients off an existing Sun Java Enterprise System Directory Server. Users wishing to authenticate off an OpenLDAP server should use the LDAPClientAuthentication page instead.

Name Switch Server Setup

The first step is to setup nss-ldap, the LDAP-specific name switch server package. During installation, accept all the defaults:

ncampbell@naaman:~$ sudo apt-get install libnss-ldap

In order to authenticate using LDAP, /etc/nsswitch.conf will need to be edited:

ncampbell@naaman:~$ sudo vi /etc/nsswitch.conf

# perform the following vi commands
:1,$s/compat/files ldap/g
:x!

The /etc/libnss-ldap.conf file is where all the settings are configured. For brevity, the example libnss-ldap.conf is attached and not listed in this document - attachment:libnss-ldap.conf To test the setup of nss-ldap, perform the following command to see a listing of LDAP shadow entries:

ncampbell@naaman:~$ getent shadow

Pluggable Authentication Modules Setup

The next step requires pam-ldap, the LDAP-specific PAM package. Answer <No> to the 2 questions asked during installation:

ncampbell@naaman:~$ sudo apt-get install libpam-ldap

The configuration file provided with the libpam-ldap package is unneccesary and can be replaced by libnss-ldap.conf:

ncampbell@naaman:~$ sudo rm /etc/pam_ldap.conf
ncampbell@naaman:~$ sudo ln -s /etc/libnss-ldap.conf /etc/pam_ldap.conf

To complete the configuration of the pam-ldap package, the following files in the /etc/pam.d directory need to be changed:

ncampbell@naaman:~$ cd /etc/pam.d
ncampbell@naaman:/etc/pam.d$ sudo vi common-account

  account sufficient    pam_ldap.so
  account required      pam_unix.so

ncampbell@naaman:/etc/pam.d$ sudo vi common-auth

  auth  sufficient      pam_ldap.so
  auth  required        pam_unix.so nullok_secure use_first_pass

ncampbell@naaman:/etc/pam.d$ sudo vi common-password

  password  sufficient pam_ldap.so nullok
  password  required   pam_unix.so nullok obscure min=4 max=8 md5

ncampbell@naaman:/etc/pam.d$ sudo vi common-session

  session sufficient    pam_ldap.so
  session required      pam_unix.so

ncampbell@naaman:/etc/pam.d$ cd ~

To test the setup of the pam-ldap package, attempt to logon as an LDAP user.

Name Caching Service Daemon Setup

The final step in the LDAP client setup is to install nscd, the name service caching daemon, to prevent excess LDAP traffic:

ncampbell@naaman:~$ sudo apt-get install nscd
ncampbell@naaman:~$ sudo mkdir -p /var/db/nscd /var/run/nscd
ncampbell@naaman:~$ sudo /etc/init.d/nscd start

References