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

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75
votes
12answers
6k views

Why is Linux's filesystem designed as a single directory tree?

Can anyone explain why Linux is designed as a single directory tree? Whereas in Windows we can have multiple drives like C:\, and D:\, there is a single root in Unix. Any specific reason there?
72
votes
8answers
139k views

umount: device is busy. Why?

When running umount /path I get: umount: /path: device is busy. The filesystem is huge, so lsof +D /path is not a realistic option. lsof /path, lsof +f -- /path, and fuser /path all return ...
41
votes
9answers
5k views

Why do we need to mount on Linux?

I understand what mounting is in Linux, and I understand device files. However I do not understand WHY we need to mount. For example, as explained in the accepted answer of this question, using this ...
41
votes
9answers
42k views

Mount Google Drive in Linux?

Now that Google Drive is available, how do we mount it to a Linux filesystem? Similar solutions exist for Amazon S3 and Rackspace Cloud Files.
40
votes
6answers
18k views

Different linux distros sharing the same /home folder?

What is the best way to share the same /home directories between different linux distribution? I mean, I want to have both, say, Fedora and Arch, and I want to find my files at home no matter which ...
37
votes
7answers
7k views

Why does mount require root privileges?

Why does Linux require that a user be root/using sudo/specifically authorized per mount in order to mount something? It seems like the decision as to whether to allow a user to mount something should ...
35
votes
4answers
7k views

How can I mount a block device from one computer to another via the network as a block device?

Is it possible to export a block device such as a DVD or CDROM and make it so that it's mountable on another computer as a block device? NOTE: I'm not interested in doing this using NFS or Samba, I ...
31
votes
1answer
917 views

What happens when you 'mount over' an existing folder with contents?

Right now /tmp has some temporary files in it. When I mount my hard drive (/dev/sdc1) on top of /tmp, I can see the files on the hard drive. What happens to the actual content of /tmp when my hard ...
31
votes
3answers
11k views

What is a better way to deal with server disconnects of sshfs mounts?

I have several directories mounted through sshfs. I sometimes get disconnects from the server (not configurable by me). I usually mount the directories like this sshfs ...
30
votes
5answers
24k views

Is it possible to mount a gzip compressed dd image on the fly?

I like create an image backup for the first time I'm backing up a system. After this first time I use rsync to do incremental backups. My usual image backup is as follows: Mount and zero out the ...
27
votes
2answers
111k views

How to get the complete and exact list of mounted filesystems in Linux?

I usually use mount to check which filesystems are mounted. I also know there is some connection between mount and /etc/mtab but I'm not sure about the details. After reading How to check if /proc/ is ...
25
votes
2answers
9k views

What mount points exist on a typical Linux system?

I have 2 questions. During Linux installation we specify memory space for 2 mount points - root and swap. Are there any other mount points created without the users notice? Is this statement ...
23
votes
2answers
4k views

understanding “mount” as a concept in the OS

I want to understand what mounting is. It is used in different contexts and situations and I can't find resources which: Describe the mount concept Explain the actions taken by the ...
22
votes
2answers
3k views

Where do the files go if you mount a drive to a folder that already contains files?

I just accidentally mounted a new drive to a folder that already contained files. I don't care about them and have them somewhere else, but that folder appears empty now. I'm curious what happened ...
21
votes
6answers
6k views

What's the most “correct” mount point for a permanent NTFS partition?

I have an NTFS partition (containing a Windows installation from which I dual boot) that I would like to permanently mount from my Linux installation. Problem is, I can't figure out what the ...
20
votes
2answers
4k views

Mount an iso without root access?

Is it possible for a user without root access to mount an arbitrary iso? If so how?
19
votes
2answers
4k views

What is a “loop device” when mounting?

I am doing a mounting of an iso file and looking at this tutorial. They use the command: $ mount -o loop disk1.iso /mnt/disk I'm trying to understand the use of -o loop. So I have two questions: ...
19
votes
1answer
3k views

`mount -o loop` changes mounted ISO image file

It looks like mount -o loop changes the mounted image file. I downloaded the ISO image file and checked its SHA-1 checksum. Then I mounted that ISO file and the checksum changed. Here are the exact ...
18
votes
3answers
14k views

Are there any drawbacks from using mount --bind as a substitute for symbolic links?

Symlinks have limitations in how functions like ls, mv, and cp can operate on them because unlike shell initiated commands like cd, these functions do not have information about how the user accessed ...
17
votes
1answer
14k views

What is meant by mounting a device in Linux?

I've heard the term "mounting" when referring to devices in Linux. What is its actual meaning? How it handling now unlike older versions? I haven't done that manually via the command-line. Can you ...
15
votes
2answers
3k views

Why doesn't mount respect the read only option for bind mounts?

On my Arch Linux system (Linux Kernel 3.14.2) bind mounts do not respect the read only option # mkdir test # mount --bind -o ro test/ /mnt # touch /mnt/foo creates the file /mnt/foo. The relevant ...
14
votes
6answers
645 views

Showing only “interesting” mount points / filtering non interesting types

I used mount to show mounted drives, I don't want to see the not so interesting ones (i.e. non-physical). So I used to have a script mnt that did: mount | grep -Ev 'type (proc|sysfs|tmpfs|devpts) ' ...
14
votes
2answers
361 views

Is there anyway to automatically mount a filesystem when I open a symbolic link to a directory on that filesystem?

I am using Arch with Xfce. Recently, I have created a symbolic link to a directory on a filesystem. But I don't want to mount the filesystem during boot or manually mount it before I open the ...
14
votes
3answers
13k views

Does mount always require root privileges?

I was under the impression that any sort of call to mount requires root privileges. But recently I was told "You should instead create appropriate entries in /etc/fstab so that the filesystems can be ...
14
votes
2answers
4k views

Can the same ext4 disk be mounted from two hosts, one readonly?

I know that mounting the same disk with an ext4 filesystem from two different servers (it's an iSCSI vloume) will likely corrupt data on the disk. My question is will it make any difference if one of ...
14
votes
5answers
28k views

Check if folder is a mounted remote filesystem

What is the best way (reliable, portable, etc.) to check if a given folder is on a mounted remote (nfs) filesystem within a shell script? I am looking for a command that would look like: ...
13
votes
9answers
2k views

Favorite partitioning and mounting tricks

We all know that mounting a new partition as /home and maybe /boot is extremely useful. Or mounting a remote directory as /opt can be great for sharing system tools. Are there any other, maybe more ...
13
votes
2answers
841 views

Is that possible to integrate zip and tar.gz files as directory into the file system

I wonder if there is a way to integrate (it's a bit different from mounting, I think) compressed files as directories into the file system? E.g., one could download a compressed-file.tar.gz to his ...
13
votes
4answers
156k views

How to mount a device in Linux?

I read some resources about the mount command for mounting devices on Linux, but none of them is clear enough (at least for me). On the whole this what most guides state: $ mount (lists all ...
13
votes
2answers
10k views

LXC: How do I mount a folder from the host to the container?

I'm trying to mount a folder on the host to an LXC container. The host has a folder /mnt/ssd/solr_data created (this is currently on the root filesystem, but later I'll mount an SSD drive there, so ...
13
votes
3answers
5k views

What mount option to use for ext3 file system to minimise data loss or corruption?

I have an embedded setup using an initramfs for the root file system but using a custom ext3 partition mounted on a compact flash IDE drive. Because data integrity in the face of power loss is the ...
12
votes
6answers
14k views

What is the fastest way to extract an ISO?

Currently I'm mounting an ISO to a (readonly) directory (using mount -o loop command) and then copying the contents to another normal directory. This takes lot of time as the ISO is large. Is this the ...
11
votes
3answers
36k views

Best way to mount remote folder

I have two RasberryPi running debian wheezy and I would like to mount a folder from computer A on computer B. What is the best (as in most efficient) way to do this? I can do it via SMB, but that is ...
11
votes
4answers
4k views

Serve files over USB

I would like to be able to serve a section of my box's file system over USB to another computer. For example, if the files are on box A and I am reading from box B, then B would mount A, see those ...
11
votes
2answers
10k views

How to re-mount a USB stick after unmounting from Nautilus without disconnecting it?

I find that in order to re-mount a USB stick, I have to physically disconnect it, and then re-connect it. How can I do this without such tiring physical action?
10
votes
5answers
711 views

How does mounting on the GUI work “under the hood”

UPDATE Please correct me if I'm wrong: For working on my computer, with a GNU/Linux Distribution named Debian, I know two ways to enter a command, start an application, open a file, etc.: a ...
10
votes
1answer
16k views

How do I mount an `img` created with /bin/dd of a hard drive?

I used dd to backup a 80GB drive dd if=/dev/sdb of=~/sdb.img Now I need to access some files on that drive, but I don't want to copy the ".img" back over the drive. mount ~/sdb.img /mnt/sdb ...
10
votes
2answers
446 views

What are these commands for?

Yesterday I had to install a Windows with its Grub override. Well, it's not the first time I had to fix Grub, so I used LiveCD, mounted the root partition (I don't have boot, just / and home) and ran ...
10
votes
1answer
2k views

Is it possible to run a webdav fuse client with no root access?

I have seen examples showing how to use davfs2 under linux, but each has involved one of these things: Running mount as root Adding an entry to /etc/fstab Running mount.davfs setuid, which, alas, ...
10
votes
3answers
4k views

How can I determine the fs type of my current working directory?

I need a platform-independent and lightweight way of detecting the mount type of my CWD. Specifically, I need to determine if my CWD is in an SSHFS, NFS, CIFS, SMB, or local block store mount. I need ...
9
votes
5answers
16k views

Allow non-superusers to mount any filesystem

Is it possible to allow some particular users (e.g. members of a group) to mount any filesystem without superuser privileges on Linux? (Another question might have been "in what ways a user can harm ...
9
votes
2answers
36k views

Mount cifs Network Drive: write permissions and chown

I have access to a cifs network drive. When I mount it under my OSX machine, I can read and write from and to it. When I mount the drive in ubuntu, using: sudo mount -t cifs -o ...
9
votes
3answers
27k views

How to umount a USB drive?

I want to know how to umount my USB drive via command line. I am using Ubuntu 12.04 LTS 32-bit.
9
votes
3answers
17k views

how to find the type of img file and mount it

I have to mount a .img file but I don't know what type of .img it is. How can I figure out what type of .img file it is? # mount -t auto -o ro,loop gmapsupp.img /mnt/iso/ mount: you must specify the ...
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
27k views

Mounting a squashfs filesystem in read-write

I have a Clonezilla installation on a USB stick and I'd like to make some modifications to the operating system. Specifically, I'd like to insert a runnable script into /usr/sbin to make it easy to ...
9
votes
4answers
15k views

How to mount removable media in /media/<LABEL> automatically when inserted, without any desktop environment?

I have a Debian sid system (Wheezy) (and same for arch), without any desktop environment (and no Xorg at all). I can mount my SD-cards, USB sticks, external HDD by label into a specified directory in ...
9
votes
4answers
2k views

Preferred mount points for internal HDDs

I am relatively new to Linux and I apologise if this is a silly question. I read the Linux FS Hierarchy document but it didn't answer my question. I would like to know if there is a typical drive ...
9
votes
1answer
21k 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 ...