This allows mounting of partitions (or files) in the /media/<drive_identifier> directory. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. How did muzzle-loaded rifled artillery solve the problems of the hand-held rifle? $ sudo vi /etc/fstab Unfortunately, in this way I get " mount: only root can use "--types" option ". If you still can't mount the home filesystem, you may need to contact your Linux . How long does it take to fill up the tank? Is this an at-all realistic configuration for a DHC-2 Beaver? Mount privileges for users home directories. I can sudo, but if I'm not in the sudoers file, I'm not allowed mount commands: bash-4.2$ sudo mount -o . Normally, only the superuser can mount filesystems. Please contact me if anything is amiss at Roel D.OT VandePaar A.T gmail.com. /dev/fd0 as an ordinary user, only as Root. First I will create a new directory as root (to be sure root can create it) and then mount the share with slightly different options. I can workaround this by first starting rpc-statd.service manually, and then running mount-nfs. I have removed the uid and gid options just to remove some "noise". If the problem persists, try running a filesystem checker to see if the home filesystem is corrupted. here's my fstab entries for the floppy and cdrom. UNIX is a registered trademark of The Open Group. For instance, if a user has the ability to mount filesystems, they could potentially mount a filesystem containing set-user-ID executables owned by root. At this point, mount /mnt/<share>. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, @BenD - In which case you are not effectively running as root. [ Log in to get rid of this advertisement] I am working from RHCE Study Guide 5th Edition by Michael Jang. All users don't have read access to all of the files that constitute a complete backup set. This will by-pass all the initialization scripts under /etc/ so that you get access to the shell. My /etc/fstab is OK, and /bin/mount 's permissions are: . I installed Calibre on my Nook Touch to fetch news and serve contents to reader programs in my Nook Touch. Package: libpam-mount ; Maintainer for libpam-mount is Jochen Sprickerhof <jspricke@debian.org>; Source for libpam-mount is src:libpam-mount ( PTS, buildd, popcon ). Why could mount.cifs mount an empty folder? # # Use 'vol_id --uuid' to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way to name devices # that works even if disks are added and removed. Further info: (these are with the drive mounted using sudo) ----- rkircher stranger Members 0 3 posts Posted June 9, 2005 Thanks taeuler, but I still cannot mount as a User, it only mounts as root. In case you want to mount a partition as a non-administrative user without the sudo command you could also do so with udisks. Here is what happens with your change to mount priviledges: -rwsr-xr-x 1 root root 77488 2003-10-02 13:18 /bin/mount, -rwsr-sr-x 1 root root 77488 2003-10-02 13:18 /bin/mount. Help us identify new roles for community members. The ONLY user that can make the system call to mount (or umount) a filesystem is root (this is enforced by the kernel), whether or not you have "user" or "users" in the fstab file. So: sudo mount -t vboxf . Please contact me if anything is amiss at Roel D.OT VandePaar A.T gmail.com. With this command you should be able to verify that you can mount the share. If I mount with sudo like this: mount /dev/sdb1 /media/Elements everything works, but if I mount without using the terminal i get this: You can configure sudo for it as well. --allow-other Allow access to other users. By Linux is a registered trademark of Linus Torvalds. Are there breakers which can be triggered by an external signal and have to be reset by hand? mount: only root can do that --cdrom,root [OK_008@CentOS4 ~]$ -- [root@CentOS4 /]# mount -t auto /dev/cdrom /mnt/cdrom mount: mount point /mnt/cdrom does not exist--/mnt/cdrom . --allow-root Allow access to root user. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. For long and complicated questions prefer the other forums within the . I have some questions: 1, I successfully mounted my usb drive with "sudo mount /dev/sdb1 /mnt", but I can't wirte, It says "read-only file system". It's working great; all except that only Root can write to the mount. mount: only root can do that. was still reporting the usual "only root can mount [. Dirty method - add suid bits to mount/umount command and try to manage access using groups. Allowing a user to perform mount calls would probably be rather tricky regarding security. This was working fine before the upgrade. SAMBA Specified Network Name no Longer Available, archlinux netboot diskless node/system, systemd on NFS (v4) fails, rpc.idmapd, Linux clients can't login on samba share while windows and mac can (active directory env), Cifs share on Windows host disconnects, but can still be reached using smblient, Kubuntu 20.04.4 LTS cannot mount domain samba shares (either from terminal or fstab). In short, Calibre is installed in Debian 6.0.0 chroot environment in Android 2.1. There are no such things as "stupid" questions. Connect and share knowledge within a single location that is structured and easy to search. So, I am trying to allow users to mount network shared files to their home directories to have access to them. On the NFS client host (e.g., 10.1.1.20), update /etc/fstab as root. #190267. I've got the mount points set up to allow users in . If it does not work with the hostname, try again but use the IP address instead; Asking for help, clarification, or responding to other answers. Code: Select all. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. # 4 03-06-2008 brendan76 mount: only root can use "--options" option as a result. In this way it works as expected. Where is it documented? mount:only root can do that root root linux su root Try unmounting the share and remounting it with uid only: $ ls -l /mnt . this works: when i type mount nfs as user in Konsole, the nfs share is mounted. /dev/sda1 /media/sda1 auto sync,noauto,user,exec 0 0 #HOTPLUG B3Fu.p1a3eP+6Hk5. Then you should be able to mount it simply with the command: Another possible problem is that the mount command may be set to run only for root. When I'm a User my group is not root so that may still be the problem. (Obviously this should be run in the same environment as you are trying to mount in, so you should make sure it is the root shell that is expanding, Why is the path different between the error message and the mount command? I can't mount eg. So I'm trialling it, but having issues mounting windows shares. Please support me on Patreon: https://www.patreon.com/roelvandepaarWith thanks & praise to God, and with thanks . (Maybe from system update). Is it appropriate to ignore emails from a student asking obvious questions? However if you think your question is a bit stupid, then this is the right place for you to post it. To create it, run: sudo mkdir /media/sharename You can mount shares anywhere; they do not have to be mounted in /media. First, check the configuration of the home filesystem. How to set a newcommand to be incompressible by justification? In order to allow a regular user to mount NFS share, you can do the following. Please support me on Patreon: https://www.patreon.com/roelvandepaarWith thanks & praise to God, and. I know, there are a lot of solutions for this problem on the WEB but none of those is working. If it does not work with the hostname, try again but use the IP address instead; (WORKGROUP) by your workgroup or domain. The idea of the custom sudoers rule is that users can sudo this mount, without needing any other sudo permissions. /dev/hdb /mnt/cdrom msdos user,noauto 1 2 /dev/fd0 /mnt/floppy msdos user,noauto 1 2 . odd that, you can create the cdrom device with kde and mount it, but the user can't use console mount commands to mount the same device. I use "super" for something similar for my ZIP-drive. Question: do I need to set the suid bit for mount? Creating the Mount Point for the Share If you mount the share at /media/sharename, that directory must first exist. Filesystems not directly supported by the kernel can be mounted via a --bare attach and then invoking the relevant FUSE driver. Advertiser Disclosure: Ready to optimize your JavaScript with Rust? Ubuntu: The error: \"mount: only root can do that\" while mounting a partition (3 Solutions!)Helpful? Any help would be appreciated. What's the \synctex primitive? Disclaimer: All information is provided \"AS IS\" without warranty of any kind. For example, I'm trying to do: $ mount -t iso9660 -o ro,loop W2Ksp3.iso temp2 It would help to know whether it's a permission problem, and whether it's with . The method can be used with other Android devices. rev2022.12.9.43105. "Only Root can do that", Sudo not working. Regards, -Artur. Mount works only as Root. So you can identify which of the options is not understood. The mount usage for standard users is very restricted (because sbit) and they can use the mount command only if there is mount point definition in the fstab file -- things like -t or -o are forbidden. After mounting: Code: Select all. | Content (except music \u0026 images) licensed under cc by-sa 3.0 | Music: https://www.bensound.com/royalty-free-music | Images: https://stocksnap.io/license \u0026 others | With thanks to user Takkat (https://askubuntu.com/users/3940), user Policemata Booster (https://askubuntu.com/users/194632), user Naveen Kumar (https://askubuntu.com/users/227555), user Maythux (https://askubuntu.com/users/150504), user kiri (https://askubuntu.com/users/176889), and the Stack Exchange Network (http://askubuntu.com/questions/398457). rkircher, June 8, 2005 in Everything Linux. Check the 'sticky bit' (suid) on that program, and see if it's set. Set the suid bit on the resulting mount.cifs file, and copied to /sbin and /usr/sbin (backing up the originals first!!) Making statements based on opinion; back them up with references or personal experience. rclone mount remote:path /path/to/mountpoint [flags] Flags: --allow-non-empty Allow mounting over a non-empty directory. (hostname) by the share server hostname. | Content (except music \u0026 images) licensed under cc by-sa 3.0 | Music: https://www.bensound.com/royalty-free-music | Images: https://stocksnap.io/license \u0026 others | With thanks to user Eliah Kagan (https://askubuntu.com/users/22949), user bashboy (https://askubuntu.com/users/179110), and the Stack Exchange Network (http://askubuntu.com/questions/326241). you can add "user" to the mount options in your /etc/fstab file. Are defenders behind an arrow slit attackable? Was the ZX Spectrum used for number crunching? Ran ./configure and make. But I don't see there solutions that work for me. Normally, only the superuser can mount filesystems. To learn more, see our tips on writing great answers. I've also tried to mount it with su -, and Smbclient is working. To run a command as root, use sudo command. This means that it's not possible to use installed filesystem drivers (such as ntfs-3g for example) by calling wsl --mount. Debian Bug report logs -. The way the client is configured controls what non-root users can and cannot do. With this command you should be able to verify that you can mount the share. Question: "Mount: Only root can do that". User NFS mounts - "mount: only root can do that". It only takes a minute to sign up. That could then lead the user being able to escalate their privileges to root. Code: Select all # /etc/fstab: static file system information. Thanks in advance Lenwolf 22-Apr-2015, 03:49 #2 hcvv Global Moderator Join Date Jun 2008 Location Netherlands Posts 31,028 Re: Allow user to perform one root comand without password request Originally Posted by lenwolf Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Do non-Segwit nodes reject Segwit transactions with invalid signature? However, when fstab contains the user option on a line, anybody can mount the corresponding system. I have tried this line in fstab and SuSE always adds back the original line anyway on boot-up when the thumb drive is plugged in. To set mount to run as user type( as root): Thanks taeuler, but I still cannot mount as a User, it only mounts as root. 4. Thus, given a line /dev/cdrom /cd iso9660 ro,user,noauto,unhide any user can mount the iso9660 filesystem found on his CDROM using the command mount /dev/cdrom or mount /cd What does your entry for this device in /etc/fstab look like? The cifs/smb shares won't be available before OpenMediavault VM is up and running, making Proxmox mounts fail. The message "mount: only root can do that" comes from the mount command itself: it allows non-root users to only mount and unmount those filesystems that have the special mount option "user" in the /etc/fstab file. However, when fstab contains the user option on a line, anybody can mount the corresponding filesystem. I can mount the share just fine but my regular desktop user can't even browse the mounted directory even though I'm mounting the share on a directory under /home/user. If this is your first visit, be sure to However, mount requires root unless it's defined in /etc/fstab . Code: $ ls -l /bin/mount -rwsr-xr-x 1 root root 62268 Oct 3 07:39 /bin/mount* (The 's' in the first block is the 'suid' bit) Cheers! TechnologyAdvice does not include all companies or all types of products available in the marketplace. Output of docker . As @9000 mentioned, see what verbose mode says by adding a -v to your mount command. I have setup NFS file services on my ds213j I can't browse the NFS directories properly using my regular desktop user. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I get the impression from forums that everyone has this problem. Usage: udisks --mount /dev/<sdxX> ## to mount udisks --unmount /dev/<sdxX> ## to unmount Thus, given a line /dev/cdrom. The default is to not allow users to mount things, as it is a . Browse other questions tagged. But I can write it in windows. Most people usually use this option for their cdrom and floppy drives so that all users can mount/umount them. I would have to look further why you cannot mount a windows share as a normal user - some systems allow you to do this, but the following should work: Add the UID of the user when mounting the share as root, for example: # id hypadmin uid=1003 (hyadmin) gid=1003 (hyadmin) groups=1003 (hyadmin) "Only root can mount" error - but I am root. You are responsible for your own actions. Something like: mount Computer1:/folder1/folder2 /home/user/folder But they cannot. Here are the contents of my fstab: # /etc/fstab: static file system information. Anybody know what I can do to fix this problem? Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. Try unmounting the share and remounting it with uid only: If this is working, add the gid, then add the rw and then finally add the password option (step by step). Ubuntu: The error: "mount: only root can do that" while mounting a partition (3 Solutions!)Helpful? Penrose diagram of hypothetical astrophysical white hole. Please support me on Patreon: https://www.patreon.com/ro. On the NFS client host (e.g., 10.1.1.20 ), update /etc/fstab as root. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. Is it cheating if the proctor gives a student the answer key by mistake and the student doesn't report it? drwxr-xr-x 25 root root 4096 Dec 20 11:09 UBUN $ $ ls /mnt/UBUN a dev initrd.img.old lost+found proc snap usr bin etc lib media root srv var. In effect, the non-root users can only run mount operations that have been pre-approved by root. Please support me on Patreon: https://www.patreon.com/roelvandepaarWith thanks \u0026 praise to God, and with thanks to the many people who have made this project possible! You will be able to leave a comment after signing in, Esselbach Internet Solutions Community Help: Check the Help Files, then come here to ask! Ubuntu: Fix error - mount: only root can do thatHelpful? Is there any reason on passenger airliners not to have a physical lock between throttles? The propagation flags are applied by additional mount (2) system calls when the preceding mount operations were successful. The mount command may still be the problem tho. Also check your system logs if you haven't already, and dmesg, and perhaps run an strace on the command for deeper troubleshooting. Trademarks are property of their respective owners. Lab 1 for Chapter 6 says that I should be able to mount a remote NFS share as an ordinary user under their home directory. However, I need to sudo systemctl, and I want to avoid this because of the user mount option in fstab. ]" blah blah, regardless of what I put in the -o flag. But users can't mount LVM snapshots. Which works, but thats just silly. It is hard method, I know As I don't see any proper reason for your error, I would propose a slightly different syntax. You can get access to the rootfs prompt by adding to the kernel argument the parameter "init=/bin/sh". You are responsible for your own actions. I've tried a few different things with fstab, no go. I'm using SuSE 9.0 and cannot mount a USB Flash Memory (thumb drive) from a console using using the command: mount -t auto /dev/sda1 /media/sda1. Of course you need to replace: (hostname) by the share server hostname. I did that and it still says mount: only root can do that. Yesterday I was able to mount my smb share with the following command: I don't know why it is not working anymore. (You may want to read this to learn more.) Disclaimer: All information is provided \"AS IS\" without warranty of any kind. A backup script that runs as root can mount the snapshot, back up the snapshot, then remove the snapshot. Mounting encrypted volumes fails, "only root can do that". How does the Chameleon's Arcane/Divine focus interact with magic item crafting? This command works fine as a root user. Below is my fstab so far, and you can see the mountpoints. Users can't access certain backup directories/devices. The best answers are voted up and rise to the top, Not the answer you're looking for? But the big reason is that it can potentially allow a user to produce files that they could not ordinarily produce. Mounting shares to Mint VM works successfully. (I'm thinking I shouldn't have to). I have RedHat 6.0. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. But the suid bit is there, which means if you can get the mount executable to allow it (that's where the user/users options come in), then any user can mount an FS. Only root can browse files from NFS share. Linux User #181509 The mount/umountprograms must be run as root (or suid as root). All my directories are owned by me (not root) with full privledges and I've got the owner set to 'user' in /etc/fstab. However, this line in fstab does NOT work as a user, but does works as root: /dev/sda1 /media/sda1 auto rw,noauto,user 0 0. Since util-linux 2.23 the mount command can be used to do more propagation (topology) changes by one mount (8) call and do it also together with other mount operations. You could use a wrapper script /usr/local/bin/mount to hide the use of sudo if necessary. --attr-timeout duration Time for which file/directory attributes are cached. Does the collective noun "parliament of owls" originate in "parliament of fowls"? For instance, on my client, only root can use "-o" on mounts: bash-4.2$ mount -o nfsvers=3 demo:/home /mnt/home mount: only root can use "--options" option . could someone tell me how to allow a regular debian user to mount a cdrom? Make sure all the necessary settings are in place. Host is fedora 14, guest is fedora 15, version is 4.0.12 Inside guest: [don@number11 ~]$ mkdir /tmp/xxx [don@number11 ~]$ mount -t vboxsf xxx /tmp/xxx mount: only root can do that [don@number11 ~]$ sudo mount -t vboxsf xxx /tmp/xxx /sbin/mount.vboxsf: Could not add an entry to the . Then i created an icon in Folderview, using RMB Create new Link to device NFS. If you can define earlier which resources you want to mount/unmount using your application it can be added to /etc/fstab with user option (allow a user to mount). Trademarks are property of their respective owners. 34 views, 0 likes, 0 loves, 0 comments, 0 shares, Facebook Watch Videos from : 2022/11/27 10:30 1 !. Please support me on Patreon: https://www.patreon.com/roelvandepaarWith thanks \u0026 praise to God, and with thanks to the many people who have made this project possible! Please stick to easy to-the-point questions that you feel people can answer fast. Powered by Invision Community. Of course you need to replace: If this work. mount: only root can do that Hello, I've got problems mounting an external USB HDD on Ubuntu 10.10. Here are the commands (they should all succeed): The mount command should ask you for your Samba user Ben password. 3. } and here's an example command i'm using to try to mount along with it's } output: } } kevans@kevans:~$ mount -t auto /dev/hdc /media/cdrom0 } mount: only root can do that mount /media/cdrom0 You see, only root is allowed to give extra options or specify what is being mounted to the given mount point. The. There are a few things you can try to fix the problem. mount: Only root can do that. mount: only root can mount /dev/sdd1 on /media/disk when I try to mount from the command line I get: $ mount /dev/sdd1 /media/disk mount: only root can do that I have to use sudo to mount it. mount: only root can do that In order to allow a regular user without root privilege to mount a remote home directory via NFS, you can do the following. Thanks for contributing an answer to Unix & Linux Stack Exchange! KDE recognized the nfs share entry in fstab and offered 192.168.2.4:/home as share and /home/rinse/nfs as mount point. In the above, "user" allows a non-root user to mount, and "noauto" means no automatic mount on boot. $ mount /mnt/UBUN mount: only root can mount LABEL=UBUN on /mnt/UBUN $ sudo mount /mnt/UBUN. I assume that the user requiring NFS mount is alice. To set mount to run as user type ( as root): chmod +s /bin/mount chmod +s /bin/umount Then it should work as user. Ubuntu: Fix error - mount: only root can do thatHelpful? The scenario exclude the use of smb/cifs share mounted on Proxmox host that will link to LXC as cifs/smb share are provided by a VM hosted on proxmox. I'm finding google entries about editing fstab? Package: mount Version: 2.11n-4 Severity: normal When the mount command issues the message "mount: only root can do that," it doesn't give any further indication about what the problem is. mount /dev/sda1 Another possible problem is that the mount command may be set to run only for root. Only filesystems that are natively supported in the kernel can be mounted by wsl --mount. 2, After I umounted the usb drive the led of it still on, but not blinking. Alternatively, assign the contents of the /tools and /cross-tools directories to user root by running the following commands [/snip] It says "alternatively" leading me to think its a local security issue only and not something that must be done. If you want to allow certain mount operations you can use a tool like sudo by writing appropriate rules for it. 4 That's simply because the underlying system call (see 'man 2 mount') requires CAP_SYS_ADMIN capability no matter what the mount options are. One is. docker run -ti --rm --privileged --userns=host ubuntu:16.04 mount foo bar; Describe the results you received: This fails with mount: only root can do that (effective UID is 427680) Describe the results you expected: I expected the mount command to work since I disabled user namespaces and I'm running in a privileged container. How do I change the last 'x' to 's' for the world? > Either mount is setuid and then all users can mount the floppy, or it is > not setuid and then only root can mount the floppy. Effect of coal and natural gas burning on particulate matter pollution, Books that explain fundamental chess concepts, MOSFET is getting very hot at high frequency PWM. jmr_071769 Wed, 01 Jun 2005 06:25:57 -0700. howdy everyone. On the NFS server host (e.g., 10.1.1.10), enable export for the client as root. Yes, this is the correct behavior of the mount command. Does a 120cc engine burn 120cc of fuel a minute? (default 1s) --daemon Run mount as a daemon (background mode). Why is apparent power not measured in watts? I suspect that it should look something like this: /dev/sda1 /media/sda1 auto noauto,users 0 0. If this work. But I can't get 2 and 3 at the same time. (UBUN = ubuntu OS). Linux, the Ultimate sollution for Users of Microsoft Windows. UNIX - mount: only root can do thatHelpful? check out the. You have to fully specify mount options in fstab when you want to use it as non-root user. 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