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Full Discussion: NFS share and groups
Operating Systems Linux Red Hat NFS share and groups Post 302937015 by cjhilinski on Monday 2nd of March 2015 04:46:45 PM
Old 03-02-2015
I may be running afoul of the fact that unix can have the same name for a user and a group whereas that is not permitted in Active Directory. But that doesn't explain all of the cases.

Related to the nsswitch.conf question, obviously, on the nfsserver groups is files ldap and on the RH7 machine it's files sss.

Neither system runs nscd (solaris or rh). I inherited the S10 system, so I don't know why it was set up that way. I believe there are some reported issues running NSCD in conjunction with AD on RH, but I'd have to go back and re-research that.
 

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LEARN ABOUT OPENSOLARIS

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ad(5)							Standards, Environments, and Macros						     ad(5)

NAME

       ad - Active Directory as a naming repository

DESCRIPTION

       Solaris clients can obtain naming information from Active Directory (AD) servers.

       The  Solaris  system  must first join an AD domain and then add the ad keyword to the appropriate entries in the nsswitch.conf(4) file. The
       Solaris system joins the AD domain by using the	kclient(1M) utility. The AD name service only supports the naming databases for passwd and
       group.

       Windows	users  are not able to log in. The user_attr(4) database has no entries for Windows users, and the passwd(1) command does not sup-
       port the synchronization of user passwords with AD.

       The Solaris AD client uses auto-discovery techniques to find AD directory servers, such as domain controllers and global  catalog  servers.
       The  client  also  uses	the  LDAP  v3 protocol to access naming information from AD servers. The AD server schema requires no modification
       because the AD client works with native AD schema. The Solaris AD client uses the idmap(1M) service to map between Windows security identi-
       fiers (SIDs) and Solaris user identifiers (UIDs) and group identifiers (GIDs). User names and group names are taken from the sAMAccountName
       attribute of the AD user and group objects and then tagged with the domain where the objects reside. The domain name is separated from  the
       user name or group name by the @ character.

       The  client  uses  the  SASL/GSSAPI/KRB5  security  model. The kclient utility is used to join the client to AD. During the join operation,
       kclient configures Kerberos v5 on the client. See kclient(1M).

FILES

       /etc/nsswitch.conf      Configuration file for the name-service switch.

       /etc/nsswitch.ad        Sample configuration file for the name-service switch configured with ad, dns and files.

       /usr/lib/nss_ad.so.1    Name service switch module for AD.

SEE ALSO

       passwd(1), svcs(1), idmap(1M), idmapd(1M), kclient(1M), svcadm(1M), svccfg(1M), svccfg(1M), nsswitch.conf(4), user_attr(4), smf(5)

SunOS 5.11							    22 Oct 2008 							     ad(5)
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