nfs (Network File System) created by Sun Microsystems. NFS allows a client system to access network files as if local.

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27
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10answers
12k views

Correct locking in shell scripts?

Sometimes you have to make sure that only one instance of a shell script is running at the same time. For example a cron job which is executed via crond that does not provide locking on its own (e.g. ...
2
votes
1answer
236 views

NFS Shared Folders - Is it transitive?

If I have Computer-A, and share a folder to be accessed by Computer-B, can I take that same shared folder and share it with Computer-C? Computer-B has two itnerface cards, eth0, and eth1. eth0 is ...
1
vote
1answer
291 views

Sharing files with NFS and Unix Permissions

I'm kind of new to using NFS in the context of Linux permissions, so I'm a little lost on how I can make this work. Here's my setup: alpha writes files as root to the mounted NFS share. beta ...
1
vote
2answers
694 views

What processes are started during linux boot and how to disable them?

I installed nfs-commons on my Ubuntu 11.04 machine so that I can mount an NFS drive. However I late decided to remove NFS from my system so I did a sudo apt-get remove. Now, 1 out of 5 times my ...
4
votes
1answer
109 views

What is the proper way of sharing the /usr subdirectory?

What parts of the /usr subdirectory are usually shared in common practice without introducing any system instabilities? My intent is to share share-able parts of the /usr subdirectory among VM's of ...
2
votes
1answer
645 views

NFS to clients with different uid:s than on the server, where the client uid:s shall not show up in the server

I have a problem with a embedded Linux device that is mounting its root filesystem over NFS. But for different reason the embedded device is a single user device running as root (and later it will ...
2
votes
2answers
1k views

How to determine what filesystem a directory exists on?

I have an NFS share which is shared across about two other machines. I recently realized that one of the servers isn't sharing the directory and is keeping files all for itself. Is there a way to see ...
4
votes
2answers
5k views

rpc.statd running on system not using NFS

I have a Debian machine that gets warnings (via the Tiger automatic auditor) that rcp.statd is listening on such-and-such socket. Googling shows rpc.statd is a daemon used by NFS. As far as I know, ...
2
votes
1answer
2k views

Pulse Audio and Roaming Profiles on CentOS 6

We've been testing many Red Hat based distributions recently at work to replace Windows as our main operating system. We choosed CentOS 6 since all our software were fully compatible. The biggest bug ...
3
votes
2answers
2k views

Keep local copy of nfs mount on computer

I mount all my home directories and what ever else on my laptop when it is on my home network. I was wondering if there is a way to keep a local copy of the nfs mount when my laptop is off the ...
8
votes
4answers
5k views

Can someone sniff NFS over internet?

I want to connect to my home server from work using NFS. I tried sshfs but some people say it's not as reliable as NFS. I know sshfs traffic is encrypted. But what about NFS? Can someone sniff my ...
6
votes
2answers
3k views

Slow NFS, nfsstat -c: what is authrefrsh (aka newcreds?) field about in detail?

(net-fs/nfs-utils-1.2.3-r1, 2.6.38.5-zen+ Gentoo) Googling this seems to be a complete dead end. man nfsstat says a whole lot of nothing about the subject. The closest I could get was finding out ...
4
votes
1answer
375 views

Disable /net ghosting for autofs5

I recently have been trying out Arch Linux. It seems that their autofs has a usability bug, although I confess that I'm new enough to Arch that I may be missing something horribly obvious. I want ...
5
votes
1answer
689 views

Tracking huge buffer usage under Linux

I have a Linux server running under Debian Lenny with 4Go of RAM. It doesn't run much, just: Postfix/spamassassin (daemon mode) Bind9 KVM (one guest - 1Go of RAM for it) Every day at exactly 3:05 ...
5
votes
4answers
3k views

Difference between “/export/home” and “/home”

In our UNIX machine my home path looks like /home/<userid> and we have another batch user whose home looks like /export/home/<userid> I want to know whats the difference between ...
4
votes
3answers
767 views

When networkmanager is used, OpenSuSe gets stuck during boot for 10 minutes

I have this problem on all machines that I every installed (different configurations, different geographical locations, even different OpenSuSe versions) and it's extremely irritating. When I turn on ...
4
votes
2answers
5k views

Why can't root on one machine change nfs mounted content from another machine?

On my NFS server, I have the following export defined: #NFS exports Database /shared -alldirs -network=192.168.1 -mask=255.255.255.0 On my NFS client: 192.168.1.7:/shared /shared nfs rw 0 0 ...
3
votes
3answers
3k views

Why is file ownership inconsistent between two systems mounting the same NFS share?

I have one IBM AIX server (serverA) which is connected to the san storage. I have created a volume group and also file system (jfs2) and mounted to directory /profit. After that I created a NFS ...
1
vote
2answers
927 views

NFS permissions and slow copy

I have an NFS share on an OpenBsd server. When I assess the share from my Ubuntu box I don't seem to have all permission eg write. Also copying a file from the NFS share to the Ubuntu machine can take ...
4
votes
1answer
2k views

Sharing Mac Snow Leopard directory via NFS

I am running a Mac Pro using Snow Leopard (not server). I would like to share a directory with a linux machine. I have edited /etc/exports on the Mac to: /Volumes/mstore/home/sdavis -maproot=root ...
5
votes
2answers
2k views

Can I share a device from under /dev across hosts?

Here's the situation. I have a video device /dev/video0 on a VMware Server and I want to access this device from within a virtual machine. However for whatever reason I can't connect the device ...
3
votes
3answers
663 views

Debugging ethernet before NFS boot

I'm trying to boot Linux from U-boot on an embedded ARM board using a filesystem on a remote machine served via NFS. It appears that the ethernet connection is not coming up correctly, which results ...
1
vote
1answer
816 views

NIS and autofs error

I am trying to share the home directory of a NIS user using NFS and autofs. During testing, I get the following error message: Could not chdir to home directory /home/guest/nis1: Permission denied ...
3
votes
1answer
2k views

Can't get the '-o remount' option on an NFS share to work in Slackware 13.1

I've had rsnapshot working under Slackware 13.0 for a few months. In my /etc/rsnapshot_<interval> scripts I first have it run is mount -o remount,rw then the very last thing it does is a mount ...
1
vote
2answers
462 views

Is it possible to mount an NFS partition with a label?

I export 3 directories via NFS (pisces:/media/music, pisces:/media/video, pisces:/media/photo) that I mount individually. Currently, they all appear on my (Ubuntu) Gnome desktop as 'pisces', which is ...
5
votes
2answers
1k views

NFSv3 with Kerberos “unmatched host” error

I've setup NFSv4 using Kerberos (works great), but now I need to add NFSv3 with Kerberos. When trying to mount the NFSv3 export, I get a permission needed error on the client and on the server the ...
8
votes
3answers
4k views

flock(2) versus fcntl(2) over a NFS

The Perl 5.x documentation states that its implementation of flock(..) will use one of the following native calls, starting at 1 and working toward 3 if unavailable: flock(2) fcntl(2) lockf(3) ...
7
votes
3answers
185 views

Setting up a unix powered network

I want to set up several computers on a LAN, all connecting to one unix server. The primary goal being that the user accounts should only exist on the server. So that any user could access his normal ...