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Full Discussion: Program sharing on NFS
Top Forums UNIX for Dummies Questions & Answers Program sharing on NFS Post 302769659 by mirni on Wednesday 13th of February 2013 02:16:17 AM
Old 02-13-2013
You can only centralize as much as the hardware/OS allows you. There is no need to export/mount linux-x64 programs on ia32 machines.

So you should organize the nfs share, and export the programs that are relevant for certain architecture only to those machines.
I'd try to have the same machines similar IP addresses, e.g.:
linux x64: 192.168.0.x
ai32: 192.168.1.x
etc

then on NFS server, you'd have the programs for each arch:
Code:
/nfs/linux-x64/*
/nfs/ai32/*

etc.

Define network groups (@linux64, @ai32, ...) in /etc/netgroup and exports:
Code:
/nfs/linux-x64 @linux64(options)
/nfs/ai32 @ai32(options)

Restart nfs services, then on client machines you mount them where you want, e.g. on linux machine in /etc/fstab:
Code:
nfsserver:/nfs/linux-x64 /usr/common options

You could tighten the security with hosts.{deny,allow} if you are really paranoid.

These instructions are very crude, I admit, but you get the idea.
 

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MOUNT.NFS(8)						      System Manager's Manual						      MOUNT.NFS(8)

NAME
mount.nfs, mount.nfs4 - mount a Network File System SYNOPSIS
mount.nfs remotetarget dir [-rvVwfnsh ] [-o options] DESCRIPTION
mount.nfs is a part of nfs(5) utilities package, which provides NFS client functionality. mount.nfs is meant to be used by the mount(8) command for mounting NFS shares. This subcommand, however, can also be used as a standalone command with limited functionality. remotetarget is a server share usually in the form of servername:/path/to/share. dir is the directory on which the file system is to be mounted. Under Linux 2.6.32 and later kernel versions, mount.nfs can mount all NFS file system versions. Under earlier Linux kernel versions, mount.nfs4 must be used for mounting NFSv4 file systems while mount.nfs must be used for NFSv3 and v2. OPTIONS
-r Mount file system readonly. -v Be verbose. -V Print version. -w Mount file system read-write. -f Fake mount. Don't actually call the mount system call. -n Do not update /etc/mtab. By default, an entry is created in /etc/mtab for every mounted file system. Use this option to skip making an entry. -s Tolerate sloppy mount options rather than fail. -h Print help message. nfsoptions Refer to nfs(5) or mount(8) manual pages. NOTE
For further information please refer nfs(5) and mount(8) manual pages. FILES
/etc/fstab file system table /etc/mtab table of mounted file systems SEE ALSO
nfs(5), mount(8), AUTHOR
Amit Gud <agud@redhat.com> 5 Jun 2006 MOUNT.NFS(8)
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