Linux authentication and authorization: sudo with LDAP support

While searching the sudo manual for samples and explanations, I discovered that my Oracle Enterprise Linux 4 update 5 uses sudo version 1.6.7p5. The official version is up to version 1.6.9p9. Interesting is, however, that the new version has means to integrate with LDAP!
That means, that instead of maintaining a central /etc/sudoers file, you can build your authorization tree in LDAP, where you can also handle your authentication! Cool! Of course, by LDAP I mean OpenLDAP, Novell NDS, Oracle OID or even Microsoft AD...

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