mount command, allows mounting of a file system at a specified point in the file hierarchy.

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9
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6answers
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Is there a command to see where a disk is mounted?

Is there a simple command that takes a disk's device node as input, and tells me where (and whether) that disk is mounted? Is it possible to get the mount point by itself, so I can pass it to another ...
9
votes
1answer
2k views

When was `relatime` made the default?

What is the first Linux kernel release to set relatime as the default mount option?
9
votes
1answer
2k views

Hard disk labels

How do I add a label to a partition on a disk, and how do I then mount it by label (manually and via fstab)? note: this is an external hard drive
9
votes
1answer
23k views

Mounting USB drive that is not recognized

Using Arch Linux / XFCE, I frequently have problems with USB drives that are not properly mounted. Sometimes they automatically show up in Thunar and I can mount them with one click. However, at other ...
8
votes
3answers
311 views

Automatizing the sequence of mounting commands

When I connect a device (tablet, camera, flash drive, external harddrive) to my laptop with Linux I often type the following sequence of commands. $ ls /dev/sd* Let's say that my device is /dev/sdc ...
8
votes
5answers
582 views

Mounting a partition into a 'sandbox'

I'm wondering if this is possible. I want to set up a linux system that mounts / remote linux machine to / on the local machine. However, I want all changes on the local machine to be saved to ram so ...
8
votes
2answers
8k views

How to unmount a formerly chroot'd filesystem?

I'm using a rescue-live-system (similar to a live-cd) to fix some issues with my Debian server, like that: # mkdir -p /mnt/rescue # mount /dev/md2 /mnt/rescue # mount --bind /dev /mnt/rescue/dev/ # ...
8
votes
1answer
2k views

What is a bind mount?

What is a “bind mount”? How do I make one? What is it good for? I've been told to use a bind mount for something, but I don't understand what it is or how to use it.
8
votes
1answer
601 views

What's the purpose of the /proc/pid/mountinfo file?

What's the purpose of the /proc/pid/mountinfo file (with pid being numerical process id)? As far as I can see it reflects contents of the /proc/mounts file but with added information. Also the file ...
8
votes
4answers
2k views

How does Bash path completion work with sudo?

Tab path completion does not work (at least on Ubuntu and AFAIK Arch) with sudo mount <whatever> The iso file I am trying to mount is not in /etc/fstab. If I just type mount <whatever> ...
8
votes
3answers
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Why does fstab use UUID instead of the actual file system name?

For example, this is the first line of my /etc/fstab: UUID=050e1e34-39e6-4072-a03e-ae0bf90ba13a / ext4 errors=remount-ro 0 1 And here's the output of df -h command (reporting free ...
8
votes
3answers
18k views

How to fix boot failure due to incorrect fstab?

It seems that I have added incorrect record to /etc/fstab: //servername/share /mnt/share cifs defaults,username=myuser 0 0 When I did mount -a, it asked user password to mount network ...
8
votes
1answer
8k views

How to get UUID for a USB drive?

I want to mount my USB to a mount point which holds the UUID name. But I don't know how to express this in a command line! Can someone help me how to do it? I have searched and found that I have to ...
8
votes
2answers
5k views

How to mount a cryptsetup container just with `mount`?

I created an encrypted container via #!/bin/bash dd if=/dev/zero of=$1 bs=1 count=0 seek=$2 MAPPER=$(mktemp -up /dev/mapper) LOOPDEV=$(losetup --find --show $1) cryptsetup luksFormat $LOOPDEV ...
8
votes
1answer
707 views

Does `shutdown -P now` safely unmount a USB drive mounted to `/dev/sdb1`?

I typically unmount my USB drive (using umount) from /dev/sdb1 before I shutdown my computer but if I shut it down using shutdown -P now and then restart it, the drive is no longer mounted. Is this ...
8
votes
1answer
8k views

Difference between 'sync' and 'async' mount options

What is the difference between sync and async mount options from the end-user point of view? Is file system mounted with one of these options works faster than if mounted with another one? Which ...
8
votes
2answers
6k views

USB drive permissions when automounting

On Debian there is the common problem, that you try to plug an ntfs formatted USB harddrive and then can't write to it as a regular user to it because the directory belongs to root. A little time ago ...
8
votes
2answers
555 views

Prevent disk renumbering on reboot in OSX

I have 3 physical drives in my Mac Pro with OSX 10.6.4. Occasionally after rebooting the machine, the disk numbering changes such that the /dev/disk# does not reference the same drive as it did before ...
7
votes
4answers
3k views

Where in “/” should extra disks be mounted?

According to Wikipedia http://en.wikipedia.org/wiki/Unix_directory_structure http://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard extra disks should not be mounted in /mnt/ according to the ...
7
votes
6answers
14k views

How does a kernel mount the root partition?

My question is with regards to booting a Linux system from a separate /boot partition. If most configuration files are located on a separate / partition, how does the kernel correctly mount it at boot ...
7
votes
3answers
18k views

How to determine if NFS mount is mounted as v3 or v4?

Red Hat 5/6 when I do mount it says type nfs, I would like to know how to determine version if it isn't listed in mount options or fstab. Please don't say remount it with the version option, I want ...
7
votes
4answers
12k views

Mount an loop file without root permission?

Can i mount a loop file without root permission , normally i do: mount -o loop DISK_IMAGE FOLDER Without setting up sudo or suid mount program , is there any suitable way to do this ? I know i can ...
7
votes
4answers
822 views

Check if 2 directories are hosted on the same partition on Linux

How can I check if /my/dir is on the same partition as /? This is for integration within a script. Bind mounts should be handled correctly. POSIX compatible solutions are welcome.
7
votes
4answers
2k views

How to get mount point of filesystem containing given file

I am looking for a quick way to find the mount point of the file system containing a given FILE. Is there anything simpler or more direct than my solution below? df -h FILE |tail -1 | awk -F% ...
7
votes
3answers
9k views

Move /tmp to RAM

I am trying to move /tmp to RAM and obey good practice: /var/tmp should NOT be placed in tmpfs, as it must survive reboots not mount /tmp as a stand-alone tmpfs, but rely on /dev/shm or /run/shm ...
7
votes
4answers
2k views

How to check if /proc/ is mounted

How can I check if /proc/ is mounted? Using /etc/mtab is discouraged as it might be inconsistent. Using /proc/mounts is also not an option as might not exist if /proc/ is not mounted (although ...
7
votes
3answers
14k views

umount - device is busy

Sometimes when I want to umount a device, e.g. sudo umount /dev/loop0 I will get the message umount: /mnt: device is busy. (In some cases useful info about processes that use the ...
7
votes
2answers
8k views

Make all files under a directory read-only without changing permissions?

First, some background: /dev/md1 is a RAID-0 array serving as primary file store. It is mounted to /var/smb. /dev/md2 is another RAID-0 array storing backup snapshots taken from /dev/md1. It is ...
7
votes
1answer
9k views

Mounting an ext3 fs with user privledges

I'm trying to mount an ext3 file system from another linux installation so that the user, not root, will have full access to all the files. (I really do need user to have access to those files, ...
7
votes
1answer
5k views

What is the loopback interface

What is the loopback interface and how does it differ from the eth0 interface? And why do I need to use it when mounting an ISO or running a service on localhost?
7
votes
4answers
34k views

Linux: clnt_create: RPC: Program not registered

NFS mounts recently automatically got un-mounted. When I checked, the NFS service status it was shown to be running. [root@hsluasrepo]# service nfs status rpc.svcgssd is stopped rpc.mountd (pid 4083) ...
7
votes
4answers
18k views

How to properly export and import NFS shares that have subdirectories as mount points also?

Server A exports directory /srv via NFS with option nohide. A subdirectory within /srv, /srv/foo, is a mount point for another location on the NFS server using --bind option, like server# mount ...
7
votes
1answer
1k views

How is /etc/fstab accessed before root is mounted?

I was making some changes to /etc/fstab, when this chicken and egg question occurred to me - if /etc/fstab contains the instructions for mounting the file systems, including the root partition, then ...
7
votes
3answers
8k views

Automount USB drives with no GUI requirement (halevt replacement)

For minimal installations of Debian, I have been using halevt to enable automounting of USB drives. Halevt is reliable and requires no configuration aside from installing the package. Now, halevt has ...
7
votes
1answer
840 views

systemd keeps unmounting a removable drive

I have following line in /etc/fstab: UUID=E0FD-F7F5 /mnt/zeno vfat noauto,utf8,user,rw,uid=1000,gid=1000,fmask=0113,dmask=0002 0 0 The partition is freshly created by gnome-disks under the ...
7
votes
1answer
4k views

Do not halt the boot if an fstab mounting fails

I have this line in my fstab: sshfs#ecarroll@o99:/opt/dealermade/ftp/inc /opt/dealermade/ftp/inc fuse defaults,idmap=user,users 0 0 For whatever reason it didn't work -- that's fine. How do I make ...
7
votes
4answers
1k views

Faster alternative to ArchiveMount?

At the moment I am using ArchiveMount to mount a 123,000 kb archive that contains more then 3 million files inside. So far it has been mounting for 5+ hours and still isn't finished. Is there a ...
7
votes
1answer
2k views

ext4 overrides my commit=100 mount option with commit=0

Here is the relevant line from my /etc/fstab file: UUID=f51aa298-9ce4-4a19-a323-10df333f34f5 / ext4 data=writeback,noatime,barrier=0,errors=remount-ro,commit=100,nobh,nouser_xattr ...
7
votes
2answers
433 views

How to force a device to be mounted as Mass Media Storage (MMS) rather than Media Transfer Protocol (MTP)?

I use various Sony Walkmans to record a multitude of short audionotes on the go (while running, swimming, or simply walking or taking the bus). I used to mount each device as a Mass Media Storage ...
7
votes
2answers
4k views

CD disk not detected by Fedora on my Laptop

I rarely use cd's on my laptop, but I recall having the same problem a few months ago. When I put a cd in my DVD drive nothing happens. It kicked in last time without me doing anything but I don't ...
6
votes
4answers
487 views

Listing all devices as non-superuser

I'm trying to mount external hard drive. As I know, to mount manually, I should use fdisk -l to determine which device refers to the drive. When I'm doing so without sudo I have next output: ...
6
votes
2answers
20k views

How to check if a filesystem is mounted with a script

I am new at scripting ... I can do very basic stuff, but now I need a hand. I have a local filesystem that only will be mounted when I need to do a backup. I'm starting with this. #!/bin/bash ...
6
votes
3answers
765 views

Access to original contents of mount point

On my headless NAS I have sdf1 (a flash-card) mounted as / while /home is mounted from lv00 (an LVM volume backed by a software RAID). To be able to access the machine when the RAID fails, I have a ...
6
votes
2answers
28k views

mount error “is not a block device”

I am trying to make olddir accessible from newdir with the mount command: mount olddir newdir Why do I get the following error? mount: olddir is not a block device
6
votes
2answers
526 views

how to mount a range of drives in bash?

I use something like this to unmount a range of drives: umount /dev/sd[c-k]2 Is there any way to use same thing with mount? something like this: mount /dev/sd[c-k]2 /[c2-k2]
6
votes
3answers
3k views

How to remove a USB drive without worrying if its been unmounted?

Sometimes I unplug my usb drive only to find out files were not written to it. I suppose the only way to ensure files are written to it is to right click on the USB drive on the desktop and then ...
6
votes
3answers
37k views

How to mount/recover data on a disk that was part of a mdadm raid 1 on another machine?

Some background The disk itself was "worked on" by a friend and is said to be still intact, undamaged and still mountable/recoverable The disk was part of a software raid 1 on Ubuntu 12.04 The other ...
6
votes
5answers
12k views

Mounting external drive does not work anymore

~$ dmesg | tail [ 479.558062] usb 1-1: SerialNumber: S07F1601A00000090095 [ 479.559231] scsi7 : usb-storage 1-1:1.0 [ 480.557093] scsi 7:0:0:0: Direct-Access Ext Hard Disk PQ: ...
6
votes
2answers
6k views

Automount CIFS shares on boot?

I have a script saved that mounts my CIFS share, but I have to run it manually every time I boot into Linux and I connect to the internet. Is there a way that I can set the script to run as root every ...
6
votes
1answer
2k views

What does the errors=continue mount option mean?

On the output of the mount command on my system there are some lines like the following: /dev/sda2 on /var/log type ext3 (rw,relatime,errors=continue,barrier=1,data=ordered) And inside the ...