Advertiser Disclosure: Thus, given a line /dev/cdrom. 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. Check the 'sticky bit' (suid) on that program, and see if it's set. /dev/sda1 /media/sda1 auto sync,noauto,user,exec 0 0 #HOTPLUG B3Fu.p1a3eP+6Hk5. With this command you should be able to verify that you can mount the share. If it does not work with the hostname, try again but use the IP address instead; (WORKGROUP) by your workgroup or domain. Trademarks are property of their respective owners. Please contact me if anything is amiss at Roel D.OT VandePaar A.T gmail.com. Further info: (these are with the drive mounted using sudo) ----- 3. Here are the commands (they should all succeed): The mount command should ask you for your Samba user Ben password. Please support me on Patreon: https://www.patreon.com/ro. Mounting encrypted volumes fails, "only root can do that". This will by-pass all the initialization scripts under /etc/ so that you get access to the shell. Please support me on Patreon: https://www.patreon.com/roelvandepaarWith thanks & praise to God, and with thanks . I'm finding google entries about editing fstab? On the NFS client host (e.g., 10.1.1.20), update /etc/fstab as root. So you can identify which of the options is not understood. Please contact me if anything is amiss at Roel D.OT VandePaar A.T gmail.com. Normally, only the superuser can mount filesystems. Disclaimer: All information is provided \"AS IS\" without warranty of any kind. Thanks for contributing an answer to Unix & Linux Stack Exchange! All users don't have read access to all of the files that constitute a complete backup set. I get the impression from forums that everyone has this problem. mount: only root can do that Hello, I've got problems mounting an external USB HDD on Ubuntu 10.10. Mount privileges for users home directories. mount: Only root can do that. Please support me on Patreon: https://www.patreon.com/roelvandepaarWith thanks & praise to God, and. Package: libpam-mount ; Maintainer for libpam-mount is Jochen Sprickerhof <jspricke@debian.org>; Source for libpam-mount is src:libpam-mount ( PTS, buildd, popcon ). 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 However if you think your question is a bit stupid, then this is the right place for you to post it. 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. 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 the above, "user" allows a non-root user to mount, and "noauto" means no automatic mount on boot. #190267. 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: Of course you need to replace: (hostname) by the share server hostname. mount: only root can use "--options" option as a result. 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. However, I need to sudo systemctl, and I want to avoid this because of the user mount option in fstab. The cifs/smb shares won't be available before OpenMediavault VM is up and running, making Proxmox mounts fail. How long does it take to fill up the tank? 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. The mount command may still be the problem tho. 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 . 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. You have to fully specify mount options in fstab when you want to use it as non-root user. Ubuntu: The error: \"mount: only root can do that\" while mounting a partition (3 Solutions!)Helpful? So, I am trying to allow users to mount network shared files to their home directories to have access to them. --allow-other Allow access to other users. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. My /etc/fstab is OK, and /bin/mount 's permissions are: . | 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). "Only root can mount" error - but I am root. Mounting shares to Mint VM works successfully. In case you want to mount a partition as a non-administrative user without the sudo command you could also do so with udisks. $ mount /mnt/UBUN mount: only root can mount LABEL=UBUN on /mnt/UBUN $ sudo mount /mnt/UBUN. Linux, the Ultimate sollution for Users of Microsoft Windows. 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). What's the \synctex primitive? Something like: mount Computer1:/folder1/folder2 /home/user/folder But they cannot. (UBUN = ubuntu OS). Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. By 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 mount/umountprograms must be run as root (or suid as root). /dev/fd0 as an ordinary user, only as Root. "Only Root can do that", Sudo not working. For long and complicated questions prefer the other forums within the . Code: Select all # /etc/fstab: static file system information. Does the collective noun "parliament of owls" originate in "parliament of fowls"? If you want to allow certain mount operations you can use a tool like sudo by writing appropriate rules for it. Mount works only as Root. Why could mount.cifs mount an empty folder? Question: do I need to set the suid bit for mount? This allows mounting of partitions (or files) in the /media/<drive_identifier> directory. 2, After I umounted the usb drive the led of it still on, but not blinking. /dev/hdb /mnt/cdrom msdos user,noauto 1 2 /dev/fd0 /mnt/floppy msdos user,noauto 1 2 . In this way it works as expected. # # 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. To set mount to run as user type ( as root): chmod +s /bin/mount chmod +s /bin/umount Then it should work as user. The way the client is configured controls what non-root users can and cannot do. 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. Ubuntu: The error: "mount: only root can do that" while mounting a partition (3 Solutions!)Helpful? Ubuntu: Fix error - mount: only root can do thatHelpful? You are responsible for your own actions. [ Log in to get rid of this advertisement] I am working from RHCE Study Guide 5th Edition by Michael Jang. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Yesterday I was able to mount my smb share with the following command: I don't know why it is not working anymore. Also check your system logs if you haven't already, and dmesg, and perhaps run an strace on the command for deeper troubleshooting. Yes, this is the correct behavior of the mount command. Allowing a user to perform mount calls would probably be rather tricky regarding security. As @9000 mentioned, see what verbose mode says by adding a -v to your mount command. 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. 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. At this point, mount /mnt/<share>. But I don't see there solutions that work for me. 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! rclone mount remote:path /path/to/mountpoint [flags] Flags: --allow-non-empty Allow mounting over a non-empty directory. Penrose diagram of hypothetical astrophysical white hole. How to set a newcommand to be incompressible by justification? Only root can browse files from NFS share. UNIX - mount: only root can do thatHelpful? 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. 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. UNIX is a registered trademark of The Open Group. Anybody know what I can do to fix this problem? Set the suid bit on the resulting mount.cifs file, and copied to /sbin and /usr/sbin (backing up the originals first!!) (hostname) by the share server hostname. 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. $ ls -l /mnt . Do non-Segwit nodes reject Segwit transactions with invalid signature? you can add "user" to the mount options in your /etc/fstab file. I did that and it still says mount: only root can do that. If you still can't mount the home filesystem, you may need to contact your Linux . Trademarks are property of their respective owners. I installed Calibre on my Nook Touch to fetch news and serve contents to reader programs in my Nook Touch. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. Of course you need to replace: If this work. $ sudo vi /etc/fstab This means that it's not possible to use installed filesystem drivers (such as ntfs-3g for example) by calling wsl --mount. rkircher, June 8, 2005 in Everything Linux. In order to allow a regular user to mount NFS share, you can do the following. First, check the configuration of the home filesystem. (You may want to read this to learn more.) (default 1s) --daemon Run mount as a daemon (background mode). 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 . Dirty method - add suid bits to mount/umount command and try to manage access using groups. All my directories are owned by me (not root) with full privledges and I've got the owner set to 'user' in /etc/fstab. 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. The. 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. What does your entry for this device in /etc/fstab look like? I use "super" for something similar for my ZIP-drive. Ran ./configure and make. Then i created an icon in Folderview, using RMB Create new Link to device NFS. Disclaimer: All information is provided \"AS IS\" without warranty of any kind. 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. However, mount requires root unless it's defined in /etc/fstab . | 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). So I'm trialling it, but having issues mounting windows shares. 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. Is it cheating if the proctor gives a student the answer key by mistake and the student doesn't report it? After mounting: Code: Select all. 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. Linux is a registered trademark of Linus Torvalds. Making statements based on opinion; back them up with references or personal experience. Please stick to easy to-the-point questions that you feel people can answer fast. 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! 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). 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. 34 views, 0 likes, 0 loves, 0 comments, 0 shares, Facebook Watch Videos from : 2022/11/27 10:30 1 !. When I'm a User my group is not root so that may still be the problem. # 4 03-06-2008 brendan76 Creating the Mount Point for the Share If you mount the share at /media/sharename, that directory must first exist. Browse other questions tagged. You could use a wrapper script /usr/local/bin/mount to hide the use of sudo if necessary. 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. Community Help: Check the Help Files, then come here to ask! Any help would be appreciated. Are defenders behind an arrow slit attackable? It only takes a minute to sign up. You are responsible for your own actions. On the NFS server host (e.g., 10.1.1.10), enable export for the client as root. jmr_071769 Wed, 01 Jun 2005 06:25:57 -0700. howdy everyone. Unfortunately, in this way I get " mount: only root can use "--types" option ". I know, there are a lot of solutions for this problem on the WEB but none of those is working. You can get access to the rootfs prompt by adding to the kernel argument the parameter "init=/bin/sh". Ready to optimize your JavaScript with Rust? The method can be used with other Android devices. Only filesystems that are natively supported in the kernel can be mounted by wsl --mount. With this command you should be able to verify that you can mount the share. could someone tell me how to allow a regular debian user to mount a cdrom? But users can't mount LVM snapshots. this works: when i type mount nfs as user in Konsole, the nfs share is mounted. --allow-root Allow access to root user. The idea of the custom sudoers rule is that users can sudo this mount, without needing any other sudo permissions. 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. How did muzzle-loaded rifled artillery solve the problems of the hand-held rifle? Make sure all the necessary settings are in place. User NFS mounts - "mount: only root can do that". I've tried a few different things with fstab, no go. 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) here's my fstab entries for the floppy and cdrom. Code: Select all. I have removed the uid and gid options just to remove some "noise". To learn more, see our tips on writing great answers. I've got the mount points set up to allow users in . I can workaround this by first starting rpc-statd.service manually, and then running mount-nfs. TechnologyAdvice does not include all companies or all types of products available in the marketplace. You can configure sudo for it as well. (I'm thinking I shouldn't have to). A backup script that runs as root can mount the snapshot, back up the snapshot, then remove the snapshot. So: sudo mount -t vboxf . KDE recognized the nfs share entry in fstab and offered 192.168.2.4:/home as share and /home/rinse/nfs as mount point. One is. The propagation flags are applied by additional mount (2) system calls when the preceding mount operations were successful. mount: only root can do that. In effect, the non-root users can only run mount operations that have been pre-approved by root. 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. There are a few things you can try to fix the problem. To create it, run: sudo mkdir /media/sharename You can mount shares anywhere; they do not have to be mounted in /media. You will be able to leave a comment after signing in, Esselbach Internet Solutions That could then lead the user being able to escalate their privileges to root. If the problem persists, try running a filesystem checker to see if the home filesystem is corrupted. was still reporting the usual "only root can mount [. I can sudo, but if I'm not in the sudoers file, I'm not allowed mount commands: bash-4.2$ sudo mount -o . Regards, -Artur. I assume that the user requiring NFS mount is alice. If this is your first visit, be sure to Connect and share knowledge within a single location that is structured and easy to search. 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. The best answers are voted up and rise to the top, Not the answer you're looking for? How does the Chameleon's Arcane/Divine focus interact with magic item crafting? 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. Are there breakers which can be triggered by an external signal and have to be reset by hand? Most people usually use this option for their cdrom and floppy drives so that all users can mount/umount them. Was the ZX Spectrum used for number crunching? To run a command as root, use sudo command. Question: "Mount: Only root can do that". Linux User #181509 It's working great; all except that only Root can write to the mount. 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. It is hard method, I know As I don't see any proper reason for your error, I would propose a slightly different syntax. Powered by Invision Community. Users can't access certain backup directories/devices. Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. There are no such things as "stupid" questions. I suspect that it should look something like this: /dev/sda1 /media/sda1 auto noauto,users 0 0. This command works fine as a root user. But I can write it in windows. I have RedHat 6.0. --attr-timeout duration Time for which file/directory attributes are cached. In short, Calibre is installed in Debian 6.0.0 chroot environment in Android 2.1. 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. 4. If this work. On the NFS client host (e.g., 10.1.1.20 ), update /etc/fstab as root. 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. } 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. However, when fstab contains the user option on a line, anybody can mount the corresponding filesystem. I have setup NFS file services on my ds213j I can't browse the NFS directories properly using my regular desktop user. Which works, but thats just silly. > 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. Is there any reason on passenger airliners not to have a physical lock between throttles? Does a 120cc engine burn 120cc of fuel a minute? Below is my fstab so far, and you can see the mountpoints. 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. (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? The default is to not allow users to mount things, as it is a . rev2022.12.9.43105. 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 Filesystems not directly supported by the kernel can be mounted via a --bare attach and then invoking the relevant FUSE driver. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Ubuntu: Fix error - mount: only root can do thatHelpful? I can't mount eg. I've also tried to mount it with su -, and Smbclient is working. Is this an at-all realistic configuration for a DHC-2 Beaver? Try unmounting the share and remounting it with uid only: Here are the contents of my fstab: # /etc/fstab: static file system information. Normally, only the superuser can mount filesystems. 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 . (Maybe from system update). ]" blah blah, regardless of what I put in the -o flag. mount /dev/sda1 Another possible problem is that the mount command may be set to run only for root. 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. 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