Questions tagged [filesystems]

A file system is the specification of how files in a computer should be stored, named and organized. This tag should be used for generic file system questions. For specific file system questions (FAT, NTFS, ext4, ...) use the appropriate tag instead.

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How to rename a file on an ext4 filesystem from Windows with ext4 incompatible features with ext3 enabled?

I know about doing something like mounting the disk but all those solutions works because ext2 is retro compatible with ext3 and ext4. But that time, it won’t work : I enabled ext4 feautres so ...
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Linux: specify root filesystem with fallback

I know I could use initrd/initramfs to do whatever needed, but I would like to avoid this option, if possible. I need to have a "normal" working rootfs (on an SD card of an embedded system, if it ...
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Mount filesystem through network, works with file explorer, can't figure it out mount

I have connected a USB drive to my internet box in order to share it on my network. I am trying to mount it automatically on boot on two of my linux computers running Archlinux and Raspbian. On both ...
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45Gb used out of 70Gb but only about 500Mb left according to df. How to troubleshoot the reason?

I’ve an ext4 filesystem which is stored as a file inside another fileystem (not a block device). On this system, I have 2 Berkley databases with the first being 25Gb large and the second being 20Gb ...
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How to see the previous “Accessed” date in Windows

How can I see the dates history of when I accessed a file, beyond the latest time? This really means alot to me!
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How do I dig into an applications source code?

I'm trying to look into different applications on my Macbook and see their source code in order to better understand how certain applications are built and what languages/frameworks they use. Perhaps ...
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How to merge two squashfs images

I have two squashfs images, for example 1.sqsh and 2.sqsh with the same directories structure. Is it possible to merge these two squashfs images? The only way I see now: Mount both images in ...
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Generated ext4 filesystem fails to copy correctly a big file

I'm using Buildroot to generate a Linux system for an embedded device. It build all the system in a "target" directory and then call mke2fs to generate a filesystem from this "target" directory. The ...
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How to fix “extended” partition in Windows 7?

I have created a (supposedly) logical FAT partition on an MBR disk, in the "extended" area using Linux. Afterwards, Windows (on the same machine) storage manager gets confused and doesn't see the ...
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Increase the LXD/LXC Btrfs loop file storage pool size

Our production container crashed because its LXC storage pool is out of space. Here is dh -h from inside the container: Filesystem Size Used Avail Use% Mounted on /dev/loop0 82G 78G 2....
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Can I offload / buffer a slow network share?

I am using the google-drive-ocamlfuse tool to mount my Google Drive and Shared Drives. While this works fine, it is quite slow. So I was wondering if it is possible to offload the writes to the ...
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Accessing a Volume of windows Spanned Volume directly

I am looking at how to directly access a 'volume' or drive from within windows, WSL, or Hyper-V (Linux Guest). I am in need of 'manually' rebalancing a pool like partition, in favor of certain biased ...
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2k views

What exactly is “C:\Users\MyUser\AppData\Local\Programs”?

This question is similar to this question. However, I'm still looking for more straightforward answers. Is “C:\Users\MyUser\AppData\Local\Programs” the folder where installers install programs for a ...
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1answer
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How to merge the contents of different directories into one directory

I have my data stored on 2 NTFS volumes E: and F:. They both contain a directory called Storage that has multiple sub-directories, different on every drive, such as: E:\Storage\My Stuff E:\Storage\My ...
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How to tell the kernel to swapoff a file that is not visible with the filesystem any more?

I was told in response to my question that the kernel uses files without the help of the filesystem - once a file is located the kernel just uses its location on the disk. The example was an empty ...
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1answer
37 views

Deleting list of files with non-standard file names

I have recently had to rescue files from a bad HDD, and am in the middle of cleaning up the mess. Currently I'm using a duplicate cleaner to delete any restored files that have duplicates on my backup....
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213 views

Where are programs usually installed for a particular user?

On Windows, installing programs like Python without elevated privileges will default its install directory to "%LocalAppData%\Programs." Is this directory the "Program Files" equivalent, but only for ...
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On windows 10, How Can I See All Attempts to Open/Read a File

I have an app that crashes sometimes. The only error message I get is this: Windows cannot access the file for one of the following reasons: there is a problem with the network connection, the disk ...
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How to mount Android 10 vendor image file

I used to extract Android vendor image via following steps: Convert sparse image to raw image: simg2img vendor.img v.img Mount the raw image for copying files: sudo mount v.img somefolder However, ...
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Debian 11 Bullseye encrypted LVM times out on first boot attempt

I attempted to install Debian Bullseye with an encrypted LVM and have run into this problem for the first time trying to boot after installation. Volume group "system" not found Cannot process ...
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Checking mounted filesystem

Is it possible to check a mounted filesystem for errors? I have an embedded device with RootFS on SD which may experience "unwanted shutdowns" (i.e.: power-out). Doing an fsck.ext3 -fy /dev/...
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538 views

How to get a list of the least used (read) files on a Linux system

I'm doing a clean up of a hard drive to free up some space and avoid unnecessary files, I want to get a list of the files by their frequency of usage (i.e get a list of the most files read and the ...
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dosfsck: how long does it take to repair a 32GB FAT filesystem on a USB drive?

I have a 32 GB USB stick with totally corrupted filesystem and a laptop with Ubuntu. I have run the command dosfsck -w -r -l -a -v -t /dev/sdb1 16 days ago and it is still running. It has been using ...
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Recover formatted virtual drive with filesystem changed

Here's an interesting problem and predicament that I'm currently in. I have a 239 GB large VHDX, originally formatted as NTFS. It contains a lot of important files, including proprietary code, game ...
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Export shazam library from android filesystem [migrated]

I need to export shazam database from android filesystem but I am unable to find it. I searched in every folder with no success, does anyone have any ideas?
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Strange files showing up in some programs

Some of my programs, e.g. TextPad (https://www.textpad.com) and Second Copy (http://www.secondcopy.com), show some strange files in some of my folders. However, Windows Explorer does NOT show these ...
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Unity Case sensitive file system on macOS

I have a NAS which has all of my unity projects on it, I recently bought a MacBook Pro and have connected it to my NAS so my laptop and computer now have their own cloud sorta thing. When I open the ...
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Recover from creating wrong file system using 'mkfs.ext4' on external USB drive

I ran the following command $ sudo mkfs.ext4 /dev/sdb1 on a Transcend StoreJet 500GB external drive on Ubuntu 16.04 in an effort to try to use exFAT on Ubuntu. The was output was as follows: mke2fs ...
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Windows file / folder based access rights

We have a file on our filesystem, which can be accessed by ALL users if they have the link to the file, although only admins have access on the folder. How is this possible?
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deleted filesystem by mistake, cannot delete mount point

So I had a file that was representing an ext3 filesystem which I later mounted on to a mount point It so happened that I mistakenly deleted the file before unmounting it and now the mount point ...
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44 views

Kubuntu - Can't read picture from ExFat SD card, but can read it from Windows or when copied on external NTFS drive

I formatted my 64 GB SD card for my camera directly via the camera software. It formatted it in ExFat, and I have been able to view or copy pictures taken with the camera easily on Windows. But when ...
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71 views

Very slow *.txt file copy in Windows 7

This is an issue I searched quite extensively on the web, but could not find an answer to. So probably it is not a known/common issue. I'm on Windows 7 (I could specify more about the system, if ...
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99 views

Moving folders based on condition

I have many excel files in a single folder like below. +----------------------+ | 01012019_LOC001.xlsx | | 01012019_LOC002.xlsx | | 01012019_LOC003.xlsx | | 02012019_LOC001.xlsx | | 02012019_LOC002....
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30 views

Move files to folder using matching filename

I have doc, docx and PDF files wherein the filenames consist of a unique 9 digit number followed by text. I want to move those files to their respective folders which also consist of at least the ...
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69 views

Folder is empty, but du reports high usage

I have a 115GB partition on my hard disk (output of cgdisk /dev/sda is below): Part. # Size Partition Type Partition Name --------------------------------------------------------...
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Where are default listings of Mongo Databases in Mac OS Filesystem?

I have installed MongoDB via homebrew on MacOS. I would like to locate the (defaulted) list of my local databases, as well as the dump folder, in my filesystem. I have not set an alternative dbpath. ...
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Disadvantages to using ext4 to store media on an (256GB) sd-card

I like to keep my music (approx 140GB) and video (another 100GB) on an sd card. For one thing this makes moving to a new laptop easy. Once the data is copied to the card, I'll mostly be mounting it ...
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45 views

Rsync --delete option isn't deleting hidden dotfiles in target

These are the steps I took: Create some test files: /tmp $ mkdir src tgt /tmp $ cd src/ /tmp/src $ touch .test{1,2,3} /tmp/src $ ls -la total 0 drwxr-xr-x 5 user wheel 170 18 Aug 15:02 . ...
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What are the effects of removing a dual boot on the hard drive?

Let's say I have a dual boot on my computer with two linux versions and therefore two partitions on my hard drive. Is there any potential negative effect from going back to a single boot system by ...
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34 views

Ephemeral file system

I have a Jenkins build server (Linux) and an agent (Windows) that both create large temporary workspaces that can be effectively treated like caches: it would be nice if they were kept they can be ...
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106 views

When you overwrite a file, is the previous space freed?

Suppose you have a file called foo.txt that is 500 bytes in size. Suppose you create a new file that is 10 bytes in size and save it as foo.txt, thus overwriting the file. Does the OS (Windows and ...
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1answer
36 views

How do I rename my rhel filesystem name?

I have 2 identical servers, both installed with RHEL7.6 . During the installation part I made a mistake of didn't provide the hostname on server 1 during the GUI installation, I then change the ...
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Virtualbox Says I can't create over 4GB files at FAT but I have EXT4

I installed VirtualBox at AUR and want to create a virtual machine for Arch Linux. For that, I mounted my SSD which has an EXT4 file system. Then I tried to create a virtual hard disk for my virtual ...
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50 views

Stop Windows from mounting a NTFS file system

I dual boot Windows and Ubuntu, and I recently decided to experiment with gaming on Linux. It works quite well for most of the games I try. However, for some reason, some of the games demand to be ...
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flash drive available space lower than expected with ext4

I recently formatted a 256G flash drive with ext4 on debian. Afterwards I set the reserved disk space to 0 via tune2fs -m 0 /dev/sdb1. However when I call df -h the available space shows only 229G. ...
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Remove specified directories with debugfs to save time to e2fsck verification?

Turns out that my NAS QNAP had a disk failure, ending in the Filesystem clean with errors. I have little to no experience dealing with recovering failed filesystems. I have been running e2fsck_64 and ...
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When copying a file/folder, strange characters are added to the file or folder name

My operating system is Windows 10. When I copy a file or folder to the same location they are in, Windows automatically adds the word "copy" to the end of the file name, which is great. But there is ...
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4k views

Is there a general term for the items in a directory?

I'm just curious if there's a standard computer term that encompasses everything in a directory, instead of always having to mention "files" and "(sub)directories/folders" separately. So you could say,...
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Linux rm takes minutes on 100kB file

I'm encountering extremely slow deletion of files on a Linux machine with ZFS filesystem: $ ls -l -rwxr-xr-x 1 root nfsnobody 297056 Jul 17 2018 somefile $ time rm -f somefile real 1m30.117s user ...
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Why grub-install thinks my file system is ext2 instead of ext4?

Here is the problem: % grub-install /dev/sdc5 Installing for i386-pc platform. grub-install: warning: File system `ext2' doesn't support embedding. grub-install: warning: Embedding is not possible. ...