[CentOS] etc passwd and groups file
John R Pierce
pierce at hogranch.com
Wed Jul 29 16:03:34 UTC 2009
Carlos Santana wrote:
> I intend to install lustre file system on the systems. It does not
> support LDAP and need to have etc passwd/groups database. All file
> system clients need to have same passwd and groups so that UID and
> GID are the same when they contact file system server. So I am not
> sure, how will I manage this. Any suggestions?
>
NIS is the old fashion way, and its not considered particularly secure
as it uses IP addresses as authentication, so keep the whole cluster
behind a firewall.
with NIS, there is one master system with the yp/passwd and yp/shadow
files (as well as groups, hosts, etc), and these are pushed to all the
other systems on updates. users on any system would change their
password with `yppasswd` command, which pushes the changes to the NIS
master.
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