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

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3
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1answer
203 views

SELinux context of files mounted from a Solaris server

Something I'm attempting to run in RHEL6 fails as a result of SELinux. The problem is temporarily easily solved with "setenforce 0". However turning SELinux off entirely isn't an option in my case. ...
3
votes
2answers
69 views

How is network mounted software executed?

I would like to understand how network mounted software works. For example, at my place of work, we have a software server. Each client machine (hundreds of them) automatically mounts directories ...
6
votes
4answers
188 views

How do I stop bash from hanging when trying to start programmes while NFS is disrupted

I am currently experiencing a bug in Ubuntu 13.10 which means that when I resume my machine after a suspend, the network connections do not come back up. I have a couple of NFS mounts and because they ...
2
votes
1answer
2k views

NFS Mounting Error

From ServerA I shared directory /u001/app/oracle/FolderA and trying to mount this on SeverB under /media Contents of ServerA /etc/exports file /u001/app/oracle/FolderA ServerB(rw,sync) When I ...
3
votes
1answer
809 views

NFS: unable to umount NFS share when server offline

When our main NFS server goes offline, all clients which had a share mounted are affected in the following way: 1. `df` does not work (times out) 2. `lsof` does not work (times out) 3. I cannot ...
0
votes
1answer
407 views

md5 or sha1 while copying a file

Is there a way in any linux distro to perform a md5sum or sha1 check while the file is being transferred from a local partition to an NFS one? Example: I have a NFS mounted drive and a very big file ...
1
vote
1answer
310 views

Permissions don't restrict access to NFS mount

We've got a RHEL 5.9 server with NFS mounted directories from a central NAS. There we've got a directory owned by aird1(11055):app_dev(1101) user/group with rwxrwsr-x permissions (i.e. sgid to ...
2
votes
2answers
183 views

LDAP user not present in the desired group

We have LDAP and NFS setup in the lab. The lab has 16 machines and a server. All the LDAP users home directory is present in the server. Whenever, the LDAP user logs in from any of the 16 machines, ...
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2answers
796 views

How to configure a fixed user ID on an NFS server?

I'd like my NFS server to always use the same user ID to own the files, whatever user ID is used on the client. Is this possible and how?
2
votes
1answer
1k views

autofs error - “No such file or directory”

I am trying to link a remote RHEL machine to our network. I can now ssh between the machines using fixed NAT addresses. I have copied the /etc/auto.misc, /etc/auto.master and /etc/exports files from ...
3
votes
0answers
364 views

How can I connect to my RPi NFS server using version 4?

I've set my Raspberry Pi up as an NFS server, but I cannot connect to it with NFS version 4. However, version 3 works. From my Kubuntu 13.04 client: $ sudo mount -t nfs -o proto=tcp,port=2049,vers=4 ...
1
vote
1answer
513 views

nfs-common installation fails

on newly installed Debian Wheezy machine, installation of nfs-common fails: apt-get install nfs-common Reading package lists... Done Building dependency tree Reading state information... Done ...
2
votes
0answers
29 views

Cannot Remove (Unmount) Server Share (NFS) from Mount List [duplicate]

Note on Duplicate - This has been marked as a duplicate quite a few times, so can someone link me to a solution which works for me? Because everything I've tried in all the other posts I've found, ...
2
votes
1answer
262 views

NFS mount properties (options) in FreeBSD

I am trying to determine how to examine the actual properties of an NFS mount in FreeBSD. In CentOS (6.4 tested) one can cat /proc/mounts or execute nfsstat -m to determine all of the mount ...
0
votes
2answers
288 views

How many authorized_keys can/should be set up in SSHD?

I'm following a FreeNX install wiki page for ArchLinux. Right now I'm setting the SSHD parameter for "AuthorizedKeysfIle". And this brings up the question, How many authorized_keys can/should be set ...
2
votes
1answer
2k views

Using tcpdump to extract NFS RPC contents

Fairly simple question... I'm running tcpdump and trying to analyze the contents of the TCP packets between server/client. I see the "GETATTR" RPC being received, which is great! However, I want to ...
2
votes
2answers
1k views

`chattr +i` error on NFS

I'm trying to secure my authorized_keys file to prevent it from being modified. I run this: [root@localhost]# chattr +i authorized_keys chattr: Inappropriate ioctl for device while reading flags on ...
2
votes
2answers
3k views

Pulseaudio failed to create secure directory in nfs share

My pulseaudio cannot run, because it attempts to create ~/.config/pulse under a different user. (probably pulse?). user@localhost ~$ pulseaudio E: [pulseaudio] core-util.c: Failed to create secure ...
3
votes
1answer
169 views

Odd behavior with a gzip compressed file

I've got a very bizarre issue occurring with a Redhat system. We have a Gzip-compressed TAR file that contains hundreds of small text files with absolute paths. It's only 8 MB. We copy this file to a ...
1
vote
1answer
1k views

Is there any way to check df -k hanging for nfs mount issues?

I am trying to write a script for such failure scenarios. In a scenario where maybe, if remote connection is lost, df waits for the remote server to respond (looks like df is hanging). I know I could ...
3
votes
2answers
1k views

Copying Linux NFS files to a standard consumer external hard drive

I am a graduate student and a relative Linux novice. My institution has an in-house Linux cluster on which I run many scientific simulations. I have a Windows desktop computer from which I access ...
1
vote
2answers
590 views

Directory “not found” on HP-UX for NFS mount point

On an HP-UX B.11.31 that mount via NFS a remote disk using mount point /BK_RESTORE, I would like to access a sub directory with oracle user, but I cannot even if permissions are correct. Using a ...
6
votes
1answer
2k views

Why are inotify events different on an NFS mount?

Some time ago I noticed that the events reported by inotify are different when the file is saved to an NFS mount vs. a local file system. Shouldn't the underlying VFS provide a uniform view of file ...
2
votes
1answer
2k views

Anyway to read NFS vhdx from Hyper-V under Windows?

Quick of it is: I have an Ubuntu 12.10 server instance, running under Hyper-V on Win 8. It has worked wonderfully for about 4 months. Now, when I need to pull data back to Windows, inexplicably, it ...
3
votes
1answer
4k views

NFS permission denied

When I configure NFS and create a file on the client NFS shared dir, I get the following message: permission denied. My configuration: configuration nfs server ...
1
vote
2answers
1k views

wheezy: nis/autofs doesn't work

I have a few computers with debian lenny on them. One of them has a nis server: 193.167.1.75 I can automount my home directory when I log in: >ssh 193.167.1.80 -l myuser >pwd /home/nis/myuser ...
3
votes
1answer
37 views

NFS does not store tails of files when program crashes

Program is running in parallel on multiple processors and is writing logs to a central host via NFS under RH7.3 or SUSE 11.3. If program crashes or hangs then tails of log files are lost and we lack ...
2
votes
1answer
213 views

How to keep track of which files are currently growing in directory

I have a local filesystem which is exported rw with nfs (very big xfs partition). Somewhere (I cannot determine who or what remote process) files are being written, created new or updated appending ...
3
votes
2answers
73 views

Test if a file is on NFS?

Is there a simple test to determine if a file is on an NFS mount? (Or maybe more generally, what type of filesystem a file lives on?) I am imagining some ugly prefix matching against fstab...
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vote
3answers
655 views

NFS server dropped connection momentarily, now df, ls, and umount all hang

I have this fstab entry: machine.local:/srv/files /res/files nfs defaults 0 0 It was working great until machine.local dropped the connection momentarily. Now, the share isn't accessible. df, ...
1
vote
1answer
3k views

Changing permissions on an NFS mount + sharing directories with a guest VM

I'm building a development environment where folders from a host environment (OSX) are mounted in VirtualBox VMs running Ubuntu guests. Our experience is that straightforward VirtualBox shared ...
3
votes
1answer
504 views

How can a non-root user check if a FS has been exported to a server?

Consider I am on server1 logged in as a non-root user. How do I check if a NAS FS has been exported onto the server SERVER1? I have already tried the below commands. bash-3.2$ dfshares SERVER1 nfs ...
1
vote
1answer
556 views

High availibility setup with NFS

Web hosting HA setup I have 5 servers: Server-1: Webhosting Controlpanel (192.168.1.1) Server-2: Load balancer [Haproxy] (Public IP:192.168.1.2 and Virtual IP:192.168.1.3) ...
0
votes
2answers
8k views

mount Linux NFS. rpc.statd is not running

I have Ubuntu 12.04 as the NFS server. The clients are Linux. My /etc/exports file has 1 line, /folderToExport *(rw,async,no_subtree_check) /etc/init.d/nfs-kernel-server status shows that the ...
4
votes
3answers
740 views

GDM hangs when home directory is inaccessible

I have setup a OpenSUSE 12.3 workstation with SSO through KRB5 and LDAP. This works pretty smoothly up to the point where GDM isn't very happy about that fact that it cannot access user's home ...
0
votes
3answers
299 views

NFS server on qemu guest

I need to know how I can mount block devices, placed on a qemu guest system, from host. So in this case we have NFS server placed on guest system and NFS client on the host's side. There are a lot ...
4
votes
2answers
5k views

Default directory permissions over NFS

I have two servers, client and server in fairly obvious roles: server hosts the NFS share and client has it mounted. There is a shared group among several users on client called shared which also ...
0
votes
2answers
255 views

SSH connections not accepted after configuring NFS?

I have a couple of servers in a VPC in Amazon EC2. One of them acts as a NFS server, and one of them as a client. I recently noticed a problem in the client that after a reboot, it would reject all ...
4
votes
1answer
1k views

Debian: Mounting NFS Volume at boot with fstab not working, How to change when this is attempted on boot

So there are a bunch of NICs and vlans on the server and after adding the last ones the auto mount of a network volume is not working. I can do it all right if i SSH in and use mount however it doesnt ...
0
votes
1answer
506 views

Transfer 150GB of files from an old MacBook Pro with Ubuntu 13.04 Live DVD

My girlfriend's old MacBook Pro 2009 (5,4) stopped working. I have tried several times to reinstall OS X, but could not do so. There appears to be something really really wrong with the OS. Since she ...
3
votes
1answer
333 views

Why do the nfs4 tutorials recommend to bind mount sub directories

All NFS4 tutorials I have encountered so far recommend bind mounting real directories into the export root. Is this a technical necessity? If I had a directory that's only meant to be exported, is it ...
1
vote
2answers
244 views

No lockfile creation in NFS setup

I recently set up a new fileserver for our research group. The old one was running SuSE linux and, although small harddrives and a slow machine, worked fine. The clients are mostly Gentoo machines ...
2
votes
1answer
351 views

Error while mounting directory from host via NFS

I've been looking around the site but I couldn't find anyone with the same problem. On VirtualBox, I have a machine with IP *.28 and another one with IP *.20. The latter should mount a directory ...
0
votes
1answer
429 views

NFS server optimization for maximum performance

I'm looking for maximum of performance for a NFS mount. I'm on local network, it could be completly unsecure, the performance is the most important in my case. What I already found : In /etc/export ...
4
votes
1answer
260 views

how to prevent reboot being stopped by nfsmount?

I can't imagine there isn't a simple strategy to solve this issue of stale nfs handles preventing a machine from shutting down normally, but I'm not sure what that would be. It's pretty annoying to ...
1
vote
2answers
552 views

NFS mount fails at boot time

I have the following in /etc/fstab on FreeBSD: venture:/usr/redacted /usr/local/redacted nfs rw 0 0 This fails during boot. However, after boot, the following command succeeds ...
0
votes
2answers
237 views

Writing a Linux file system for NFS

I want to write my own custom file system in Linux. Can I share it over standard NFS without making any changes to the local NFS server? If so what VFS APIs are required to be implemented by my file ...
0
votes
1answer
129 views

NFS configuration redhat6.3 64bit

I'm getting this error on the client: [root@localhost /]# mount -t nfs 192.168.18.144:/linuxcast-nfs /mnt/ mount: wrong fs type, bad option, bad superblock on 192.168.18.144:/linuxcast-nfs, ...
2
votes
1answer
202 views

What happens when I copy a file from one network location to another

Suppose I have three networked computers: A, B and C. A mounts a directory from B and from C. A/mnt/im-on-B/ A/mnt/im-on-C/ A then copies a file: cp /mnt/im-on-B/file ../im-on-C/ What happens ...
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vote
2answers
1k views

Redhat: non-root user needs to copy files to a NFS share

Typically non-root users cannot mount directories. Running Redhat Have 6GB tar.gz (/dir/somefile.tar.gz) Need to move to a NFS share on another box (//somebox/somefolder/) We have no other access. ...