General :: Mount And Umount As User Without Fstab?
Jul 19, 2011
I am writing this software that creates virtual block device nodes almost like loop does. I need to allow non-superusers to mount and umount filesystems from these devices. I don't know the names of the block device nodes beforehand so i can't use fstab entries to add "user" or "owner" flags there.
Currently i solve this by providing a small suid helper tool that verifies that this is indeed "my" block device the user is trying to mount and then just call /sbin/mount or /sbin/umount to do the job. This is definitely better than setting a suid bit for the whole program but not really perfect.
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Oct 25, 2010
I've mounted a share using standard nomenclature for the NFS mount command with the following command line:
mount -t nfs -o rw {IP address1}:/ /mnt_for_70 / {IP address2}(rw)
mnt_for_70 is a mount point I created on {IP address2}
I'm confuse and want to be sure I use the correct command on the correct host to correctly umount the nfs share.
Would I execute umount /mnt_for_70 on {IP address2}
Not sure if such a simple command will work. As this is a semi-production host pair, I hesitate to just umount so simply & I have no test systems to try this on...
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Mar 27, 2010
Is there a way to provide post-mount and pre-umount scripts in Linux?
I am trying to do some scripts on storage media when mounted and before umounting (eg, for syncing).
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Mar 29, 2009
I have two NTFS volumes I want to automount at boot. I can't get my user account to mount them in Fedora 10. I keep getting the message that the two lines I have edited in fstab are bad. The volumes are sda2 and sda8, and the volume names are SPACELAB and Spaceman. I also need to be able to mount an NTFS usb drive from time to time. I am getting frustrated, so I have posted my fstab file below,
#
# /etc/fstab
# Created by anaconda on Sun Mar 1 12:44:11 2009
#
[code]....
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Feb 10, 2010
I am trying to setup fstab to automatically mount my NTFS partitions. I have used various Mount managers to create the entries in fstab. The fstab seems fine, but when mounting at boot or even via Nautilus I get the error message that I do not have permission to mount the disk.
1) Can this permission be set in the fstab file? If so what is the syntax of the fstab entry?
2) If not, is there a tool i.e. GUI to set the mount permissions?
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Feb 9, 2011
I need to do mount/umount operations in my c program. But my program can only be run under normal user. However, the user who run my program have sudo priviledges to do mount/umount operations. How can i apply the sudo privileges in the mount(2) system call?
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Apr 29, 2009
I want my apache user (www-data) to be able to umount drives that are mounted with fuse. (i think it is the same as regular umount, but i'm not sure)
when i execute: www-data@1:$ umount /2345umount: /2345 is not in the fstab (and you are not root)
how can i get this done?
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Feb 6, 2010
I used the usual 'mkfs.xfs -l size=128m,lazy-count=1 /dev/sdX' at creation. After that, I would like to use custom mount options like: This goes instead of the "defaults" part in /etc/fstab
noatime,nobarrier,logbsize=256k,logbufs=8,biosize=16
I receive the following error at boot: INVALID log iosize 4 [not 12-30] << No one used iosize 4... what does it mean? it is connected to the options..but which one? (At the minute I'm usig it with: noatime,nobarrier).
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Nov 3, 2010
After having solved my raid5 creation problems, I'm running into a new one: the RAID is just impossible to mount through fstab. I get a wonderful "The disk drive for /dev/md0 is not ready yet or not present.
Continue to wait or press S to skip mounting or M for mount recovery."
Once the system has booted, I can perfectly run a mount /dev/md0 /media/raid and mount it manually.
I've already tried mdadm.conf with UUIDs, with device names, tried several options in fstab, xfs and ext4 filesystems, nothing to do, it won't mount.
All this is running under Ubuntu 10.04 server, kernel: 2.6.32-25 server, mdadm 3.1.4 (from a Debian sid)
Here's my mdadm.conf:
Code:
The entry in my fstab:
Code:
And just for info, my /proc/mdstat:
Code:
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Feb 11, 2010
I've just started playing around with a Sheevaplug running a very light version of Ubuntu. I'm planning to run it with an SD card to store all my server data and a USB stick to regularly back up some of it.My problem is that the 2 partitions on my SD card mount fine at boot, but my USB stick's single partition does not. Could it be that the mounts specified in fstab are done before my USB device has finished getting alive? Mounting the USB stick manually works perfectly well.
fstab
Code:
# <file system> <mount point> <type> <options> <dump> <pass>
/dev/sda1 /media/usb1 ext2 defaults 0 0
/dev/mmcblk0p1 /media/sd1 ext2 defaults 0 0
/dev/mmcblk0p2 /media/sd2 ext2 defaults 0 0
dmesg after boot
Code:
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
orion-ehci orion-ehci.0: Marvell Orion EHCI
orion-ehci orion-ehci.0: new USB bus registered, assigned bus number 1
orion-ehci orion-ehci.0: irq 19, io mem 0xf1050000
orion-ehci orion-ehci.0: USB 2.0 started, EHCI 1.00
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
Initializing USB Mass Storage driver.....
In the dmesg
Code:
usb-storage: device scan complete
comes after
Code:
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
which makes me think the USB stick has missed the fstab train the 2 SD card partitions are on. And changing the order of the entries in fstab does not make any difference either.
I'm not planning to reboot my Sheevaplug every 5 minutes, but I like things to be nice and clean.
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Dec 19, 2009
I can't remember if things with mounting vista/ntfs partitions has changed, but I cannot seem to get my partition mounted as a read-write partition.
I tried this in fstab:
And it made it read-only..
So i tried this:
And it wouldn't mount it.
Quote:
Failed to mount '/dev/sda1': Operation not supported Mount is denied because NTFS is marked to be in use. Choose one action:
Choice 1: If you have Windows then disconnect the external devices by clicking on the 'Safely Remove Hardware' icon in the Windows taskbar then shutdown Windows cleanly.
Choice 2: If you don't have Windows then you can use the 'force' option for your own responsibility. For example type on the command line:
Or add the option to the relevant row in the /etc/fstab file:/dev/sda1 /media/vista ntfs-3g force 0 0
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Feb 23, 2010
I'm trying to get fstab to auto-mount a removable device when its plugged in? Is this possible and if not what is the easiest way to auto-mount a removable device?
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Aug 12, 2011
I've accidentaly corrupted my fstab and cut the ends of lines. There are now disk uid, mount point, filesystem for root and swap, but the mount parameters are missing.The system boots as readonly. What are default fstab mount parameters in Debian for ext4 root and swap?
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Jul 10, 2010
I'm running XBMC media center which is built on Ubuntu and I'm trying to mount a network share, but I can't seem to automate it. If I manually run:
Code:
mount -t cifs -o file_mode=0777,dir_mode=0777 //192.168.1.20/disk7/xbmc_thumbs/Thumbnails /home/kevin/.xbmc/userdata/Thumbnails
The mount is created and everything works fine. But obviously the mount eill be lost on the next boot. A few months back, when I was running a previous version of XBMC and first instructed on how to do this, I was told to put that command in /etc/init.d/rc.local so the mount would automatically be created at boot. I did and it worked. The other day I upgraded to a new XBMC build (which is built on the newer Lucid Ubuntu) and while the same command creates the mount, putting it in /etc/init.d/rc.local does not create it on boot. Someone suggested the fstab was the better place to create the mount. So I inserted the following in /etc/fstab:
Code:
//192.168.1.20/disk7/XBMC_thumbs/Thumbnails /home/kevin/.xbmc/userdata/Thumbnails cifs file_mode=0777,dir_mode=0777 0 0
That doesn't work either. What am I doing wrong and how can I get this mount auto-created on boot?
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Nov 19, 2009
Server: Ubuntu Server Edition 8.04
/currently firewalled to only allow client ip
Client: Ubuntu Desktop 8.04
/currently firewalled to only allow server ip
Same userid and groups set up on on both. I have taken two linux courses and can maneuver around fairly well, but am still pretty newbie at all this. We have loaded Samba on a server and created a Samba share. I AM able to access that share via Windows Vista, but have not been able to successfully mount the share on the Ubuntu desktop via the fstab file. I have tried the following ways: serverip:/path/shareddirectory /net ext3 user,sync 0 0 and the samba way..
//serverip/sharename /net smbfs username=x,password=x
After modifying fstab, I reboot. No luck since that either way.Only ONCE after modifying it samba way, I was prompted to enter credentials, but after login I was unable to view the files on the server. From this point on either way, if I run commmand 'mount -a' the response is "Special device serverip:/path/sharedirectory does not exist" Also! I am able to ping client-to-server, but not server-to-client.
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Mar 29, 2010
I'm using Kubuntu 9.10. Partitions get listed in the sidebar when I open the File Manager, but they don't get mounted under /media until I click on the entries. I do not want to use /etc/mtab and mount them under folders I create in /mnt; would prefer if there was a way to mount the partitions without Kubuntu waiting for me to click on the names.
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Jan 25, 2011
I am using CentOS 5.5 OS. I already install ntfs-3g rpm, but I don't know the command to mount network NTFS drive. I also want to mount it on my fstab file, so whenever it reloads, it can automatically mount on the specific folder.
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Nov 9, 2010
I tried to mount my CD Rom drive and got this response: "mount: can't find cdrom in /etc/fstab or /etc/mtab"
I did see the CD Rom drive briefly after I upgraded from 10.04 to 10.10 but I couldn't access the drive and when I logged back in.
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Apr 27, 2010
I have mounted window shared partition to my RHEL 5.4 server through following command
Quote:
But I'm unable to mount the same via fstab.172.20.x.x is my windows server download is my shared folder name.
Suggest me correct fstab entries
My current fstab entry is as follows
Quote:
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Feb 6, 2010
I run a headless Ubuntu 8.04 server, which acts as a web, email and file server. I am sticking with 8.04 as it is a LTS release and will upgrade to the next LTS when it is released.
I have two external USB drives, that I need to mount at boot. I have been using /etc/fstab up until now, with the following entries:
Code:
However, as I gather from doing searches is quite common, occasionally I get an error during boot (causing the system to drop to a recovery shell) because the USB drives take time to wake up and the system hasn't found them by the time it reads /etc/fstab.
From doing searches, it seems there is nothing you can do to fstab to fix this, so you need to mount them using an rc.local script instead, using:
Code:
The problem is, as I have two USB drives, their /dev/sdxx location changes between boots. I thus want to use UUID codes as I do in fstab, however I haven't found anything about this.
Does anyone know how I can use the mount command and UUID to mount a drive in rc.local and what options I have to use the mount the drive with the same options that I am using in my fstab entry? Obvisouly, I can't refer back to fstab using the mount command, because then I will still get the boot error issue if they are listed in fstab. And there is no space internally for the USB drives as there is already two internal drives.
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Jun 4, 2010
I have dual boot: Ubuntu 10.04 and Opensuse 11.2.Howto mount Read Only ext4 partition from Opensuse in /etc/fstab under Ubuntu?
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Mar 15, 2010
I'm dual booting with Windows 7 and would like to have my windows 7 user folder mount when I boot.
After some looking around I edited /etc/fstab to add the following line:
This works. But it mounts the windows partition from the root level. I'd like to just mount C:UsersFHSM (/Users/FSHM) to /mnt/windows.
I'm trying to get it so that when I click on the windows drive I get my windows user folder instead of having to click through from C: to get to it.
I'm the only user on this system but if I created a second windows user would my home folder mount for that person too or does setting the user ID prevent that from happening?
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Jan 30, 2010
I'm struggling to understand an aspect of mounting and mountpoints with /etc/fstab. There is a large number of sites and threads that make recommendations using things like uid, gid, umask, and other options. These methods, however, which I've used, are file-system specific, useful only for filesystems such as (V)FAT and NTFS that allow them.My current situation is that I am mounting partition /dev/sdb5 in, let's call it /media/myMount. My goals:Mount this partition automatically upon boot using /etc/fstab...The partition should be fully accessible only to a specific user or group.What I've done is create the mount point in /media:
If user michapma were to carry out the mount, I believe it would work; however, I want the mount to happen automatically during boot. So, how can I achieve my user (or group) permission goals for this and any other such partitions using fstab?The manpage for mount has been helpful, but after reading many tutorials and forum threads, the only way I know how to do it is to have the user do the mounting or rely on the file-system specific options.
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Jan 4, 2010
Trying to set my fstab so I can mount an external USB HD as a normal (non-root) user. Here's the relevant fstab line:
Code:
UUID=b122b277-e085-4f50-9ddf-051efd89e
/media/usbhdext3noauto,user,rw,exec,noatime,nodiratime00
[code]....
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Jan 4, 2011
I have installed a cable that connects from the CPU's SATA motherboard connection to a removable drives' ESATA connection.I would like to be able to swap drives on the ESATA connection and have all users be able to read and write to these drives.I have created the directory /archive/ where I would like the drive(s) to mount.The drives are all formatted Fat 32 - but in the future I may use HFS for formatting.When I used the command (as root):mount /dev/sdc1 /archivethe drive was mounted (but read only)What can I use in my /etc/fstab file that will allow drives to be mounted and unmounted by all users on the system? (both reading and writing)Also, will I be able to mount and unmount these drives without shutting down? or will I need to reboot every time I want to change drives?
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Dec 7, 2010
So I want to get mount/umount option under right click services menu. I went to Dolphin -> Settings -> Configure Dolphin -> Services -> Download New Services and from there I installed KDE CDEmu Emulator and MountISO. But neither of them is showing up in actual context menu. Neither in Dolphin -> Settings -> Configure Dolphin -> Services for that matter. I tried to install them as normal user and as a root. I went to have a peak in /usr/share/kde4/services/ServiceMenus/ but they aren't there as well... It's just me or lots of things seems to be not quite working in 11.3?
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Jul 8, 2010
I've got a problem in doing sudo working for mounting things (e.g. usb pen or optic discs). Details:The OS: Slackware 13.0The response to sudo -l command:
Code:
User user1 may run the following commands on this host:
root) /sbin/shutdown -h now, /sbin/shutdown -r now
[code]...
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Jan 5, 2010
What would be the best way list disk and partitions in the fstab file?
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May 22, 2010
I'm really tired of having to umount under root, then mount again as a user for my external hard disk. When I'm in firefox, I like to save pages alot onto my external but I constantly have to remount because my user has no write permissions for the drive. What can I do for my device in fstab so that it mounts automatically under my user and not root?
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Sep 3, 2010
I have a router that supports NAS; that is, you can plug a USB drive directly into the router, and it becomes a Windows share. I can manually mount the NAS share and use it properly. But, I would like to have it automatically mount on startup. The main reason for this is to assign it a proper mount point so that I can access it from the command line, since I'm having trouble doing that after I mount it manually.
To mount it manually, I go to Places > Connect to Server, select the "Windows Share" service type, and enter "//192.168.1.1/USB_Storage" as the server name. The server name is supposed to be "//readyshare/USB_Storage," but that does not work, so I used the IP address.
I would like to mount this drive at /mnt/readyshare. So, I followed (I thought) the instruction in this document. I created the directory /mnt/readyshare I assigned myself a samba password with smbpsswd I created a group "readyshare" with the GID 1010 I created a .smbcredentials file in my home directory I modified my /etc/fstab file.The .smbcredentials file reads:
Code:
username=<my username>
password=<the password I created with smbpsswd
The line I added to my /etc/fstab is:
Code:
//192.168.1.1/USB_Storage /mnt/readyshare smbfs iocharset=utf8,credentials=/home/<my username>/.smbcredentials,dir_mode=0775,gid=1010 0 0
But, no dice. The share does not mount.What am I doing wrong?
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