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Questions tagged [filesystem]

Questions dealing with Ubuntu's layout of files, permissions, and files that reside in special locations on disk.

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Different partition sizes (lsblk and df)

I've been struggling to comprehend the discrepancy found in two outputs - lsblk and df -h. Searching among other similar questions didn't yield any good result. lsblk: sdb 8:16 0 10G 0 disk ...
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Partition in another partition too small

So I've got a problem with a partition in a partition. Disk hierarchy: My disk (nvme0n1) is partitioned into 3 parts. /boot/efi 512M (nvme0n1p1) /boot 1G (nvme0n1p2) no name (nvme0n1p3) nvme0n1p3 ...
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-1 votes
2 answers
31 views

Move an folder outside the current folder

So for example I'm in this folder desktop/game, and in the game folder there is backup, and what I want to do is move the folder from game to desktop while being inside the dir.
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/var/log/kern.log growing out of hand

I don't know much about linux so I was wondering if I could get a bit of help with this (I'm using Ubuntu 20.04.4 LTS): I just got a message that my ssd is running out of space and when going through ...
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Image preview no longer working after upgrade to Ubuntu 22.04 [duplicate]

Need help with being able to restore image preview function when looking through file folders. It's no longer an option in Ubuntu 22.04 and was able to install Sushi as a work around so when directly ...
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-2 votes
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How do I copy/transfer a file between users on Ubuntu Server?

I know there are 2 other posts on this topic, but neither of their solutions seem to work. I'm trying to transfer a java file from a sambashare to another user, but this is what happens: zein127@...
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How do I move a file out of a sambashare and to another user?

I'm new to Linux, and have been trying to send a zip file from a sambashare that I made earlier on my dedicated server to another user, where I have made a Minecraft server. The zip file includes ...
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4 votes
2 answers
741 views

What's the purpose of $HOME/bin directory?

Do binaries from this get source immediately? Do I need to add it to bash profile to be sourced? If I understand correctly, there are other places for binaries like: /usr/bin /bin /usr/local/bin Why ...
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Why is Ubuntu Server NAS partition changing automatically filesystem to "read only" during backups?

UPDATE 05/13: I ran simultaneous backups from 3 workstations (3 different Samba users) yesterday (Windows image backups - almost 47 GB the biggest file, .vhdx type). I noticed that 1 Samba users wrote ...
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Recover image preview in file explorer in Ubuntu 22.04 upgrade

Upgraded to Ubuntu 22.04 and have tried for days to recover image preview when searching thru files. Thus far all help links for this problem tell you to access "preferences" and go to "...
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1 vote
2 answers
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Cannot open file - structure needs cleaning

In the above image link posted, i have attached an error i am facing when trying to access a file. Point to note is that this file is in my 2 TB HDD whereas my ubuntu OS is in a different 500GB SSD. ...
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Read only filesystem in ubuntu also I can't mount because read write is protected

Read only filesystem in ubuntu also I can't mount because read write is protected Ubuntu 20.04 I tried fsck,mount remount etc. My system is starting but I can't do anything because read write is ...
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1 answer
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Interpreting the Disks UI when running "Repairing Filesystem"

I'm running "Repair Filesystem" through the Disks utility on a 2TB external HD. I kicked off the process about 10 hours ago and it appears to still be running, although I can't be certain. ...
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Virt-manager filesystem passthrough not working

I'm new to the ubuntu/linux environment so I don't have a lot of knowledge before hand. I'm currently trying to set up a filesystem passthrough between my host (Ubuntu 22.04 LTS) and my vm (Ubuntu 16....
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Partitioning a disk on Ubuntu 20.04 on Oracle VM VirtualBox

My first post here, I am quite new to Linux but I want to learn more than just to use basic commands like cp and rm. I am running Ubuntu 20.04 on Oracle VM VirtualBox. In order to get better at Linux ...
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2 answers
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Extend LVM size

I recently cloned my ubuntu from a 250GB SSD to my new 2TB SSD. It automatically created an LVM with 248GB with my root filesystem in it. I would like to resize the LVM to full 2TB. nvme0n1 ...
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Recover files / flashed Ubuntu (password protected) from USB Stick

i accidentally flashed (with Etcher or Win32DiskImager) the wrong USB stick. On this stick was my portable Ubuntu 20.04 LTS installed. I forgot to unplug the Stick and flashes Raspbian OS on the ...
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1 answer
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How to remove files in a directory with lots of subdirectories quickly?

I have a directory like this: my-app/ ├─ 1/ ├─ 2/ ├─ .... (a lot of subdirectories) ├─ N/ In each subdirectory, there are a LOT of PNG files, like: 1 ├─ 1.png ├─ 2.png ├─ .... ├─ 100000000.png (not ...
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1 answer
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can't enable ACL

I started here: https://help.ubuntu.com/community/FilePermissionsACLs I see that acl is enabled on all mounts on my disk by default, but $ mount | grep acl yields nothing. I tried exlicitly enabling ...
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External drive not appearing in "Disks"

A few years I encased an HDD in an 'inateck 2.5" SATA HDD External Enclosure'. I was able to access the files in this drive on Windows at the time. Now, using Ubuntu, I am unable to find the ...
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Fixed filesystem error

I was working on my VM when suddenly I realised all my files have been marked as read-only. I found it strange, so I rebooted, and then I was prompted into "BusyBox". For some unknown reason,...
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1 vote
1 answer
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Ubuntu 20.04 - Merging New Working FIlesystem Partition Into Broken Filesystem Partition

I messed up my Linux filesystem through some bad chmod commands on my Dell XPS 9310. It got to the point where sudo was unusable and I couldn't open new terminal windows or boot up again after finally ...
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1 answer
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I move folder to * file type how to get file form it [closed]

I try mv Some.txt A* but there is not any folder name of A so it converts into 'A*'file ls screenshot
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1 answer
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What to do now? [duplicate]

/dev/sdal contains a file system with errors, check forced. /dev/sda1: Inode 12849237 extent tree (at level 2) could be narrower. IGNORED. /dev/sda1: Inodes that were part of a corrupted orphan ...
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Why the CD access in Ubuntu Server is different than expected according with FHS?

About to get access to a CD through the terminal - with Virtual Box working with Ubuntu Desktop and Server, when the Guest Additions .iso file is inserted through: Devices -> Insert Guest ...
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Configuring Multiboot for 2 Native Drive Computers

Computers delivered containing more than one storage devices, and fully (at least) 64 bit, changed the history of linux storage device fix information, the minute the first of such had linux installed ...
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Changing permission of directory [duplicate]

Change the permission of directory DIR1 such that users will be able to cd into DIR1 but not be able to list the names of files and directories in DIR1. It is a practice question for linux. I know ...
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How to really hide a folder / file?

I have a folder which I want to hide, but not by prepending a dot, because then you just need to enable "View hidden folders" in the file manager. I don't want that - I want it to be REALLY ...
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Ubuntu 20.04 going into Read-only filesystem

I had been using Ubuntu 18.04 for about 2 years and then upgraded to 20.04 about a year back. The device was working perfectly fine for me until recently a software updater pop-up appeared that the ...
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1 vote
0 answers
80 views

Data Loss in an unsafely unplugged External Hard Drive

I have a 1Tb External Hard Drive Disk that was accidentally unsafely unplugged while opening some files in a certain directory. When I plugged my device again, all data in that directory was lost. I ...
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Backups of home dirs in the face of snap (best practices)

To backup all user data, it made sense for me to backup /home/user. I could opt-out by configuring different paths outside /home for big data like the bitcoin blockchain, Spotify cache or Steam ...
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Filesystem issues every other day

I have a filesystem issue that shows itself by making everything read-only then I have to reboot the system and run fsck -y to correct the errors and then it'll run again for a day. Is there a fix? If ...
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is there any where in sys directory that says which pcie slot device is plugged into

I am looking for sys directory exported info for which slot number the pcie device occupy on motherboard. Is it possible sys directory or proc directory. Initially I tried dmidecode but it seems like ...
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1 answer
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FileSystem partition is ignored

I recently installed Ubuntu 20.04 on my computer and I created 4 partitions. For some reason the main partition containing 460GB is not allocated to the home disk space. https://i.stack.imgur.com/...
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3 votes
1 answer
1k views

Low disk space on Filesystem root despite having plenty of space in `home`

I just got this warning I tried to follow this and this questions, but I fail to understand why this is happening when I still have a lot of space available in home: df -h Filesystem ...
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2 answers
87 views

delete symlink that points to itself

I accidentally created a symbolic link that points to itself in the same directory. I tried ln -sfn and rm -f. I'm using Ubuntu 20.04. It's in my Pictures folder: picture_link -> picture_link Is ...
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0 votes
2 answers
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How to create a new file / an empty file using command or shortcut or without command?

How to create a new file / an empty file using command or shortcut or without command? Like To create new Folder, shortcut: Ctrl + Shift + N Right click and create New Folder
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Is it natural for e2fsck taking too much time at force rewrite?

I have got some bad blocks in my HDD and I can not login now. I boot from a USB and try to fix it. Before e2fsck I badblocks -nvs the partition first so that I know that bad blocks are in /dev/sda3 (...
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Preventing ext4 metadata corruption during shutdown

Recently, I have started getting the "Read-Only File System" error when shutting down the system (Xubuntu 20.04 LTS running on an HP laptop). Rebooting does not trigger these corruptions. ...
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Created or Edited Files after Auto mount are missing after restart

Yesterday I decided to auto mount a hard drive with "Disks". During the mount options change I was working with some files in VScode, after saving the changes, the files were readable and ...
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1 vote
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How to make fast read/write access for rclone synced directory?

I want to sync my Google Drive directory with local directory and after some research I concluded that rclone seems to fit my needs, but I still can't figure out some nuances. As for now, I managed to ...
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read-only filesystem - unrecovered read error - auto reallocate failed

Our Ubuntu turned to read-only filesystem. I checked the dmesg log and found the following: kernel: ata5.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x0 kernel: ata5.00: irq_stat 0x40000008 ...
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Ubuntu changed to Read-only file system after update & rbenv install

Linux noob using Ubuntu 20.04.3 to learn code. Background: This morning I was prompted by Ubuntu to install updates and restart. I have been installing rbenv and Ruby Gems this week trying to fix my ...
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1 vote
0 answers
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Canonical guidance on filesystem choices? [duplicate]

Paying Canonical UA customer, relatively new to Ubuntu, coming from 10+ years of RHEL administration. I've searched the paywalled Canonical KB, as well as Canonical public sources and haven't found a ...
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1 vote
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NFS share write -only permission

Is that possible to implement NFS server in Ubuntu then set up "write-only" permission? I would like to let all my clients can save their files to NFS share for backup but I don't want the ...
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5 votes
1 answer
362 views

Xubuntu 20.04 default file system is ext2/ext3 and not ext4?

I installed Xubuntu 20.04 on a 2T SSD drive. To my surprise, it installed the old ext2/ext3 file system instead of ext4. Why is that? $ lsb_release -a No LSB modules are available. Distributor ID: ...
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1 vote
0 answers
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What is `/var/metrics` used for?

As the title says. It doesn't seem to be part of FHS, and I could not find much in google. I'm wondering which applications write there, on which occasions, and for what purposes. edit: In response to ...
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Ext4-fs error, also file 'var/log/syslog'[7] write error, how to fix

I love Linux Ubuntu but I am very ignorant to how it fails and about hardware. Could you please look at this jpeg and tell me how to proceed: Is it a hardware or a software problem. It's a Dell ...
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1 vote
1 answer
89 views

How to specify / fix default save location in Firefox?

Every time I go to save (in Ubuntu 18.04) in Firefox, the default save location is something like: run/user/1001/doc/f6f59daa. So I have to manually click on my home directory or other folder on the ...
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i keep getting an warning that says "low disk space on filesystem root". the volume filesystem root has only 930.7 Mb disk space

i have 32 gb ram installed and have allotted 10 to ubuntu. do i increase ram allocation or is problem in hdd? i see many people have this issue but I can't find any answers.
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