General :: Node Mounted From Appserver - Permission In NFS
Mar 2, 2010
I have a Node mounted from my Appserver (Solaris) to DBserver (Solaris), the reason why I Mount is that My Oracle writes file using UTIL_File in Dbserver only, so now I done the Mount and I can create file using VI in the Mounted point. But My UTIL_file is not able to create a file, the reason might be that Oracle writes only as ORA user and my Appserver has no such user, for that I have given the permission 777 for that particular folder, but no use, so I wonder do I need additional permission for this.
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Mar 8, 2011
Unable to open pty: Permission denied while trying to login to vps node.
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Jan 28, 2010
I've set up DRBD on 2 machines, 1 of them is the master, another is the slave.
After each bootup, I need to run the following on the master machine:
Code:
drbdadm -- --overwrite-data-of-peer primary all
Do we need to specify which machine should be the primary node every time? Is there any method to make the machine "know" it's itself the primary node?
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Jul 16, 2010
i have a ubuntu server and no of nodes.give me any suggesions for how to handle the node users login with my permission?.i mean than they can switching on and boot the system but the system want to stay in unusable stage.After getting my permission they can operate the system.
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May 14, 2010
I have mounted a iomega file system on a cetos os machine using
mount.cifs //filserver-ip/directory /home/my-home/mounted-file -o
user=username
(** mounted as root) The mounting works fine.
The problem arises when I try to create a sub-directory inside the mounted directory. All the newly created sub directories become write protected.
I am accessing this file system from R software and it needs to write/create directories in side this mounted directory.
how can newly created sub-directories will become automatically writable, so that R can create new sub-directories and write data inside those directories.
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Jul 26, 2010
I'm on OS X and mount a network share from my Windows XP machine. Files by default have the rwx (700) permissions. What OS X option I need to change, that the files will have rw (600) permission?
Maybe this question also applies for Linux mounting a Windows network share.
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Dec 16, 2010
I have created a simple menu driven script for our Operations to take care of the basic monitoring and managing of our production application from the back-end. Now, the script when tested in UAT environment was fine, but when deployed to production it kind of behaved oddly.hen the Operator chooses an option from the menu he is given the output and at the end is prompted to return to the main menu by using ctrl+c. In production, this return does not occur for some strange reason and the program just sits there.The session becomes unresponsive after that and I'm forced to terminated it by closing the PuTTY.I tried enabling the debug mode too (set -x) and still was not able to find any useful hints/trails as to why.
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Mar 1, 2011
I am familiar with windows 2008 cluster servers, and I just started testing with centos cluster. I am creating a simple 2-node cluster, for a simple ping test.
Node 1: 10.0.0.1
Node 2: 10.0.0.1
Virtual ip: 10.0.0.10
So far, I can ping a virtual ip, and manually relocate it between the nodes, but I didn't figure out, how to do this automatically. So this is my question: How can I setup the cluster, to it automatically failover the a service to another node case one node fails?
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Jan 12, 2010
I have noticed recently a somewhat alarming amount of weird 'isms' about Gnome. In this case I have my fstab settings for a specific HDD to automount a itself with user rw privliges. I am open to believing my fstab is not configured correctly so here is how it is written.
UUID=e541ea71-c214-4ecf-80bb-1a1fccd81786 /media/backup/ ext3 rw,user,noatime,noauto 0 2
it automounts and I can unmount it as user and remount and so on. Using the command line I would have no problem making a directory with
md /media/backup/Pictures However, if I double click on the icon that appears or browse to the location /media/backup/ and right click in that folder I can't create a folder and when I tried to drag and drop into that folder it said I didn't have the appropriate permissions
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Oct 27, 2010
I don't have much experience in clustering. And I'm deploying a cluster system on CentOS.But I don't know how long a node failover and another node take over those resouces to continue running service is good, fast or slow? 1s, 10s or
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Jul 25, 2011
when i try to change permission for any file under mounted ntfs partitions (without any errors) it remains the same after changing.
#cat /etc/fstab
Quote:
/dev/sda3 swap swap defaults 0 0
/dev/sda4 / ext4 defaults 1 1
/dev/sda1 /win/C ntfs-3g fmask=111,dmask=000 1 0
[code]....
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Apr 27, 2010
I am trying to mount Samba share with following command
Code:
mount.cifs //192.168.0.3/shmelevsky /mnt/tmp/ -o user=shmelevsky,uid=1000,gid=1000
it works fine, I could create/edit files and folders, bu I could not change permission for them:
Code:
root@darkstar:/mnt# chmod 700 tmp/www/
chmod: changing permissions of `tmp/www/': Permission denied
root@darkstar:/mnt#
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Jan 28, 2009
I am using centOS-5, I have mount NTFS drive by using fuse. But there is no rights and even there is no option on right click to make new directory or to del any file or folder. This is line of fstab for NTFS drive
/dev/sda5/mnt/dntfsdefaults2 2
How can I get full access and control on this NTFS mounted drive.
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Jun 22, 2010
I'm using fedora8.When i mount shared folder on windows,it was mounting and i can browse the files and directories in terminal as i have full permissions on that.But,when i open the mounted directory in GNOME Environment,it was saying you did not have permissions to see the contents,every directory and file has been locked.
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Jul 25, 2011
the permission remains the same after changing it without any errors
# cat /etc/fstab
Quote:
/dev/sda3 swap swap defaults 0 0
/dev/sda4 / ext4 defaults 1 1
/dev/sda1 /win/C ntfs-3g fmask=111,dmask=000 1 0
[code]....
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Feb 1, 2010
I just found that I could perform write operation using a normal user account to a file system I mounted with the commands as followed:
sudo mount -t ntfs /dev/sda1 /mnt/disk/
This is the corresponding entry in the output of "mount" command:
/dev/sda1 on /mnt/disk type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096)
As far as I remember, when using a normal user account, I had to use "sudo" to perform any write operations (mkdir, rm, etc) to a device mounted using "sudo". But now it seems to be changed.
Do I remember wrong, or did Karmic have any updates change this setting? (I never manually changed user settings, except that I added a root user, but I never used it.)
OS: Karmic(up2dated)
Kernel: Linux stephen-laptop 2.6.31-17-generic #54-Ubuntu SMP Thu Dec 10 16:20:31 UTC 2009 i686 GNU/Linux
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Mar 30, 2010
I have an Acer EasyStore NAS which I can access fine in Nautilus, but a server which I have been trying to mount via command line refuses to even let me view the contents of the folder. The mount command appears to work, a password is requested when connecting to the shared folder.
sudo mount -t cifs --verbose -o user=jason //nas/media /mnt/nas
mount.cifs kernel mount options: unc=//nasmedia,ver=1,rw,user=jason,ip=192.168.0.250,pas s=********
But I cannot even view the folder contents, as even a simple ls returns:
ls: cannot open directory /mnt/nas: Permission Denied
Even on my laptop which is able to access all the shared folders under Nautilus I am unable to mount shares from the command line.
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Jan 6, 2010
I'm building a 3-node cluster. I have created ocfs filesystems and mounted them on the first two nodes. But while mounting them on the third node , i'm getting this error for 8 of the total luns. all these 8 luns are of 1GB size.
I've unmounted these 8 luns from the other node and tried to mount in the third node ... and then it was working and again the error occurs in the second node. My observation was for some reason these particular luns are not allowing the third node.
mount.ocfs2: Invalid argument while mounting /dev/mapper/voting1 on /voting1. Check 'dmesg' for more information on this error.
dmesg output was :
I'm using RHEL 5.4
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Feb 15, 2010
The default Emacs on Mac OS X, 22.1, appears to have some problems with the info/help stuff.
When you hit C+h i, it says:
Can't find the Info directory node.
It works in AquaEmacs, but I downloaded the 23 version of emacs precompiled binaries from here and I still have the same problem.
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Nov 20, 2009
I want to configure two node cluster for qmail-toaster?? My idea is.. if one server hardware gets failed it should transfer/migrate service to other qmail-toaster server with all settings like ... domains/users/password etc etc.
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Mar 18, 2011
I was given task to install redhat linux os on one of the compute node on server which doesn't have cd/dvd drive or usb port.I have installation media as well ISO image. This server is on network, so I can access it via my PC which is running window 7.I think, I have 2 choice to install:1. Copy iso image to head node on server and then install linux os on compute node via nfs.r2. Use my PC dvd drive to install linux on compute node via network.But I don't know how to do it.
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Sep 8, 2010
I am (and still) trying to create a 2 Node cluster on Centos5.2 with a Dell MD3000 as a storage. However I am getting this when I try to probe for storages in luci: An error has occured while probing storage:
<?xml version="1.0" ?>
<dict name="result">
<var name="diff" type="num" value="24"/>
<var name="max_inactive" type="num" value="600"/>
[code]....
And I also get errors on /var/log/messages end_request: I/O error, dev sdf, sector 0 Buffer I/O error on device sdh, logical block 0
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Apr 2, 2010
I have a machine that has an integrated USB flash drive somewhere in it that I can not seem to mount. The OS knows it is there, as I can see it in the dmesg output, but the actual "node" in /dev doesn't actually exist. I'm baffled. Will you help me figure this out? Here's what I came up with so far. The disk is attached to the USB bus, used as a SCSI block device. In dmesg, it is referred to at one point as sdf, as well as under /sys/class/scsi_device. When I go check /dev, /dev/sdf does not exist!:
Code:
cat /proc/bus/usb/devices
T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=090c ProdID=1000 Rev=11.00
[code]....
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Jun 16, 2010
I'm trying to mount a custom device node for each usb port of my pc. For example: Every pen drive connected to my usb 1-1.2 will be called /dev/usb2 and mounted on /mnt/usb2, on usb 1-1.3 port the device node will be called /dev/usb3 and mounted on /mnt/usb3.
I'm using an embedded linux, the device handler is mdev. Editing mdev.rules I'm able to manage new devices and write special rules for them (on /bin/hotplug.sh I can mount the /dev/udisk device on anywhere I wanna):
Code:
# This will be called after scsi emulation, so the
# new device (sda1, sdb1 ...) will be managed by /bin/hotplug.sh
mmcblk0p10:00600=sdcard */bin/hotplug.sh
sda10:00600=udisk * /bin/hotplug.sh
[Code].....
Is there anyway to change scsi emulation configurations or code? I want to call my pen drive on my way (/dev/usb1 instead of /dev/sd*)!
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Nov 9, 2010
explain me s-permissions and t-permissions i am using rhel5 and i dont know what is the use of s-permission and t-permission.please explain with suitable example if possible.
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Aug 23, 2011
I've bought an X10 Home Automation USB interface: the CM15.
This is the information lsusb gives:
skerit@KIP-DU-SKER:~$ lsusb Bus 008 Device 002: ID 0bc7:0001 X10 Wireless Technology, Inc. ActiveHome (ACPI-compliant)
But this tells me nothing about where the device file is! How can I find that, or create one myself?
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Mar 2, 2010
Recently I was trying out a boot disk I had made, and basically, I switched it off several times due to it booting the completely wrong kernel. Now, I'm getting to the stage "Checking File systems" and then comes up [Failed]. I then get a message saying Reboot required, and that it will reboot in 15 seconds, just a few seconds before it reboots I get "/dev/shm not mounted, /dev busy" or something similar.
I've booted up my sysresccd, ran "fsck.ext4 -fcv /dev/sda2" to force a check and scan for any bad blocks, it came up clean, then I rebooted and got the same error, so I copied the kernel and system.map over to /boot to make sure there's no corruption and reinstalled initscripts and util-linux-ng, rebooted, same error.Tried different kernels, I've checked fstab and menu.lst, no problems there, so I still don't get why I still get the same problem.
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Feb 2, 2010
The Fat32 master HDD in my Intrepid Ibex 8.04 Ubuntu PC is mounted and stays so.
I installed a second (slave) ntfs HDD into the Ubuntu PC. Each time I turn it on, the drive needs to be mounted.
What (exact steps) do I need to do so that the slave drive stays mounted after the PC is turned off.
The goal: When the PC is turned on, I'd like the slave HDD already mounted and ready to use.
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Jun 3, 2010
I installed a Node UEC from 10.04 which does not boot(stops at loading apache) and the logs are empty.
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Feb 3, 2011
I have a rhel cluster with two nodes. cluster is working fine.But suddunly for today morning im not able to ssh to once of the nodes with follwing error.ebug2: we sent a hostbased packet, wait for replyConnection closed by 10.125.104.162After some not able with in the node and after some time second node also started behaving like this. Now ssh with in the nodes and between nodes is not happening. But i am able to putty session.Error from /var/log/messages.vsftpd(pam_unix)[14260]: authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=
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