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Full Discussion: NFS Mount 16+ group Issue in AIX
Top Forums Shell Programming and Scripting NFS Mount 16+ group Issue in AIX Post 302792141 by pinnacle on Tuesday 9th of April 2013 06:36:47 PM
Old 04-09-2013
NFS Mount 16+ group Issue in AIX
Hi,
I am trying to read files from NFS mount. The ID with which I am trying to read is part of 16+ groups.

This is causing problem in doing change directory to the NFS mount directory.

I was able to get some code which does newgrp to change the default group so that I could change directories into NFS mount.
But as per the man pages of "newgrp". Looks like newgrp command invokes new shell everytime when it is called.
I am calling newgrp command as part of my korn shell. I would like to know, if calling it will impact my rest of the shell.
Looks like I could handle this issue by using here document.
But not sure if this is the right way. I have read other documentation to handle this NFS mount 16+ group situation but nothing seems to be helpful in my case (and not easy to understand documentation)
Help is appreciated.


Code:
 
/usr/bin/newgrp group1 << newgrp1
echo "Changing directory to /nfsmount/abc" 
cd /nfs/abc
 
/usr/bin/newgrp group2
cd /nfs/abc/def
 
cp /nfs/abc/def/test.txt /landingarea/app
if [ $? -eq 0 ];
then
   echo "copy successfull"
else
   echo "copy failed
fi
newgrp1

 

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LEARN ABOUT MOJAVE

showmount

SHOWMOUNT(8)						    BSD System Manager's Manual 					      SHOWMOUNT(8)

NAME

     showmount -- show remote NFS mounts on host

SYNOPSIS

     showmount [-Ae36] [-a | -d] [host]

DESCRIPTION

     showmount shows status information about the NFS server on host.  By default it prints the names of all hosts that have NFS file systems
     mounted on the host. See NFS: Network File System Protocol Specification, RFC 1094, Appendix A, and NFS: Network File System Version 3
     Protocol Specification, Appendix I, for a detailed description of the protocol.

     -A      Search for NFS servers advertised via Bonjour.

     -a      List all mount points in the form: host:dirpath

     -d      List directory paths of mount points instead of hosts.

     -e      Show the host's exports list.

     -3      Use mount protocol Version 3, compatible with NFS Version 3.

     -6      Use only IPv6 addresses to contact servers.

SEE ALSO

     mount(1), mountd(8), nfsd(8), mDNSResponder(8)

BUGS

     The mount daemon running on the server only has an idea of the actual mounts, since the NFS server is stateless.  showmount will only display
     the information as accurately as the mount daemon reports it.

HISTORY

     The showmount utility first appeared in 4.4BSD.

4th Berkeley Distribution					September 26, 2010					 4th Berkeley Distribution
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