A filesystem is a way to organize and store computer files with their data.

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Can /mnt/hgfs/'shared folder' be used as apache root?

I have an Ubuntu Server (12.04) running on my development machine. It is in a VM. I have succeeded with the task of setting up Apache2, MySQL, and PHP. I can access the server from my host browser ...
2
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0answers
94 views

What are the differences between the current Linux kernel and the Unix SVR4 kernel in terms of device drivers+i/o and virtual files systems?

Yes I realize that Linux supports many more file systems and recognizes more devices than Unix SVR4. I'm interested in what the differences are in the abstraction on top of an actual file system, or ...
3
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3answers
2k views

How to delete a file with multiple colon signs in its name?

I have a folder with so many files whose name has multiple colon signs. For example: Mail::Message::Field::Full.3pm.gz. I wonder how to delete them. I have tried rm ...
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0answers
668 views

How can I determine how directories/filesystems have been mounted?

I have access to a VM which on a different network at work using NIS. (Debian by the way) This VM has about 10 extra /directories in / when I log in. They do not exist on that VM alone, they are ...
6
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3answers
591 views

Bash autocomplete gives different file name than ls

An incredibly strange thing just happened. Through a serious typo, I entered cp filename.xsl .^?~ Yeah, that's right, dot-caret-questionmark-tilde! Truth is stranger than fiction. It gets weirder. ...
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3answers
705 views

File size of 60.0 PB is wrong. Can deleting it cause data loss?

While backing up some data (a 200 GB home directory) with rsync, I got an I/0 error for a particular file, after which rsync continued on "normally" with its backup. The problem source file showed as ...
3
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3answers
366 views

Is it safe to use GParted while booted?

I have Linux Mint installed on an external hard drive, and I have the 4 main partitions (/boot, swap, /, and /home). I also have 600GB of unallocated space. I know there's always the chance of data ...
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2answers
4k views

How can I rename all files in the current directory having a particular extension to another extension? [duplicate]

Possible Duplicate: Renaming multiple files (changing extension) Suppose that in my current/working directory I have five files: file1.xvg file2.xvg file3.xvg file1.eps file2.eps Is ...
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5answers
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How can I mount partitons in a full disk image (i.e. image with partition table) with fuse?

It's a bit indirect, but it's possible mount a partition with a disk image using mount or losetup's "offset" parameter. I'm looking to be able to use fuse to do the same thing in user space Use ...
14
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5answers
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How can I copy a file and create the target directories at the same time?

I want to cp aaa/deep/sea/blob.psd to bbb/deep/sea/blob.psd How do I do the copy if the deep and sea directories don't exist under bbb so that the copy both creates the directories that are needed ...
4
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5answers
616 views

How does this directory use so much space

Unix is not my native language and I'm getting confused by their concept of filesystems. When I look at my free space I see: /$ df -kh Filesystem Size Used Avail Use% Mounted on ...
1
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1answer
479 views

wdfs mount problem

I'm running Fedora/Gnome 3.4.2 64bit and I'm trying to mount a webdav file system to work with. As root, I run the command #mkdir /mnt/webdav #wdfs https://www.webiste.com:port/directory ...
4
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3answers
970 views

Copying a deeply nested directory structure

I have to copy a directory structure to a new host as part of an application migration. The directory structure is as follows: {10 - ff} / {00 - ff} / {00 - ff} (non-inclusive) / uniquefilename So ...
2
votes
1answer
309 views

Overwrite file and apply file system rights of overwritten files?

I backed up some linux configuration files to a windows machine, so the file system rights were lost. Now I would like to restore my backed up configuration by overwriting the configuration currently ...
26
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2answers
6k 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 ...
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3answers
243 views

File name in file system [closed]

I have a strange question about file system in Unix. Why isn't it possible to give the same name to two files under same directory ? Wouldn't it be possible to use IDs to differentiate between ...
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3answers
3k views

ext2/3/4 reserved blocks percentage purpose [duplicate]

I know that this feature dates back 20 years but I still would like to find out What is the purpose of the reserved blocks in ext2/3/4 filesystems?
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2answers
2k views

What is the space overhead of different filesystems?

I backed up/restored a filesystem from a Ubuntu system to a Fedora 17 one. I noticed that according to df output the used space increased by 30 %. What could be the reasons for this? At the Fedora ...
1
vote
1answer
2k views

Is Native Language Support (NLS) kernel support still necessary?

Does ext4 / cifs system need kernel NLS support ? I'm not sure if it's being handled by user-space program (decoding / encoding) ?
3
votes
1answer
13k views

disabling journal vs data=writeback in ext4 file system

What is the difference between disabling journal on ext4 file system using: tune2fs -O ^has_journal /dev/sda1 and using data=writeback when mounting? I thought ext4 - journal = ext2. means when we ...
4
votes
1answer
5k views

Mounting a multi-partition (GPT/HFS+) USB 2.0 harddrive on Debian

I have a 3TB USB 2.0 hard-drive which has two HFS+ (Mac) partitions using GUID partition table for the partition records. It was partitioned with Mac OS Disk Utility. How can I mount these partitions ...
4
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1answer
4k views

Recover a reiserfs hard disk

I'm unable to mount my 300GB external (in external enclosure) HDD's single partition. None of the fsck tools add anything, they cannot even recognize the partition. I had forgotten whether I had used ...
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0answers
113 views

Real copy to Android device

When i copy files to the Android phone, they are copied to some cache, but they aren't written. I don't like it, because i don't know what is done. I've tried these methods: copying via thunar file ...
4
votes
3answers
781 views

Monitor directory and if a file is requested then rsync on demand

Is there a tool that monitors a certain directory and if a program tries to access a file in that directory, the program loads that file from another place transparent for any application that tries ...
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4answers
22k views

Is it possible to compress a very large file (~30 GB) using gzip?

Is it possible to compress a very large file (~30 GB) using gzip? If so, what commands, switches, and options should I use? Or is there another program (preferably one commonly available on Ubuntu ...
1
vote
1answer
369 views

Network Copy File With Low Overhead

We're trying to find a system to keep a pair of servers in sync, and I've looked at a million solutions. I came across incron, which seems like it would be perfect. Now, I just need a low overhead way ...
5
votes
1answer
157 views

Can non-canonicalized forms of filesystem paths be significant? (eg. “foo//bar”, “foo/./bar”, and “foo/../bar”)

I have a script for building a particular flavor of GCC cross-compiler. Throughout the script there are many paths that are not in canonical form, such as duplicate path separators (/xxx/foo//bar/yyy) ...
1
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1answer
370 views

Reclaiming space from one filesystem to give it to another without LVM

I want to add one file system space to another file system. /dev/cciss/c0d0p2 152358920 143606116 888588 100% /db2 /dev/cciss/c0d0p15 203899764 50767420 142607764 27% /db2/ade/sapdata1 ...
3
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3answers
539 views

How can the mac time code “b” be “n/a”?

There are 4 mac time codes for linux ext2: M -- modified A -- accessed C -- created B -- n/a How can one be "n/a"? What does it mean?
3
votes
1answer
533 views

How do I transfer files to a SunOS server via sftp with FileZilla?

According to the admin of the webserver, I should be able to use Filezilla to transfer files to the server but I am getting an error. I set up Filezilla for transferring files sftp - using these ...
2
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1answer
3k views

Mounting HTFS Disk on Linux

I got my hand on a harddrive that contains a SCO Openserver 5 and I need to access the data inside. Is there any way I can just mount and start copy-pasting the files? I've googled around and mostly ...
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3answers
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Boot Linux system from a subdirectory on a partition?

I would like to try to set up a computer so that it has multiple Linux installs all in the same filesystem. For example, the filesytem would have 3 folders: /Ubuntu_Precise, /Ubuntu_Oneiric, and ...
2
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1answer
1k views

Error mounting dir from ext4 file system

I am trying to mount a directory on a ext4 type file system onto another linux box. Both boxes are on the same network [root@localhost]# mount -o rw x.y.z.w:/home/lab /devbox mount: wrong fs type, ...
9
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3answers
417 views

Stacked filesystems with write-back

I need to setup a system where a laptop and a desktop computers coexist. The idea is, I bring the laptop into the network and the laptop syncs the /home directory( with some exceptions) with the ...
3
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1answer
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inode limitation on a 500GB hard disk? Can you explain please?

I am launching a social networking website on LAMP Stack on Linux Ubuntu, I know that people are going to upload lots of pictures. Let's say I have 5000 users and each user upload a minimum of 100 ...
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4answers
4k views

Unable to delete directory

On my OS X host, I am having trouble deleting the directory "foo". mymac:.Trashes joe$ ls foo mymac:.Trashes joe$ ls foo/ Ảnh011.jpg Ảnh012.jpg Ảnh013.jpg mymac:.Trashes joe$ ls -l foo/ ls: ...
18
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1answer
987 views

How to compact a directory

Every so often, some application runs wild and fills a directory with a huge amount of files. Once we fix the bug and clean up the files, the directory stays big (>50MB) even though there's only 20-30 ...
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0answers
98 views

How to access storage device related events with Zeitgeist?

I am trying to get my mind around Zeitgeist, using the Python DBus API. To get the latest accessed files and application is not so hard, here is what I do: #! /usr/bin/env python from ...
15
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4answers
3k views

Best method to collect a random sample from a collection of files

Suppose there is a directory holding 300 data files. I want to randomly select 200 of those files and move them into another directory. Is there a way to do that under Unix/Linux?
10
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1answer
2k views

Different UID/GID when using an ext4 formatted USB drive with another computer

The problem of using a filesystem like ext4 on a USB stick or memory card is that when it's mounted into another system the disk's UID/GID might not be present. Can this be fixed with a mount option? ...
3
votes
2answers
4k views

mounting to non-empty directory, then later deleting original files

I have some unused space on my disk, and decided to use a little of it to create a separate /var partition. There might be an easier way to do this, but my idea is to copy the existing /var ...
2
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0answers
298 views

Connected external HDD slows down system

I need to connect large external hard disks (with many many files) to a system running Ubuntu. I have no idea how the Linux kernel is treating the inodes for the external drives, but attaching huge ...
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9answers
52k 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.
2
votes
2answers
1k views

Symlinks and EncFS

I am trying to secure my Dropbox account by using EncFS. My strategy is as follows: I store all my files in a folder called ~/Public/. The encrypted counterpart of ~/Public/ is ~/Private/. Use ...
7
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2answers
697 views

Best file system for removable media

Recently I had a SD card destroyed ( software wise ) on me. Basically as well as I can figure it out, all the metadata was wiped (ext4 card). This happened when I was working and suddenly had to write ...
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2answers
7k views

Mount Windows phone as a removable device

I know that the Zune software doesn't work with Linux of any kind, but I found a guide here that shows how to change regedit in Windows to use the phone as a removable device with direct access to the ...
17
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2answers
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“mount -t TYPE /” - how to know that what could the “TYPE” be?

OS: ex.: Ubuntu 10.04 - how to know that what does the "mount -t TYPE" knows? I mean is there a command to list the supported filesystem types using with mount?? UPDATE: is the following cmd always ...
5
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1answer
6k views

How to resize ext3 image files

I have created an 200MB ext3 using the following commands. dd if=/dev/zero of=./system.img bs=1000000 count=200 mkfs.ext2 ./system.img tune2fs -j ./system.img How can I resize it to 50MB and 300MB? ...
0
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1answer
854 views

Filesystem for Gentoo root?

I need a fast and space eficient filesystem for my Gentoo workstation. I have some expirience with ext4 and found it very slow on lots of small files inside the filesystem. I am considering another ...
2
votes
4answers
1k views

UDF and fstab (no UUID)

In my search for the ideal filesystem to share files between a lot of computer with a lot of different OS'es I accepted this answer and installed a UDF filesystem on my USB stick. First I blanked the ...