Questions tagged [filesystem]

The file system is the way an operating system organises its data on the storage (usually non-volatile, like an SD card) available to it.

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Delete all empty folder recursively via the command line

I have a mono app and it delete all empty folders in a folder tree. Is there a way to do this via the command line? The idea is that I would call it as an external process. I had tried this: sudo ...
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17 views

Auto launch program when I plug raspi into computer?

As the title says, is it possible to launch an exe or run a command when I plug my raspberry pi into my computer so that the program launches ON THE PC/MAC. I know you can auto boot something when you ...
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1answer
80 views

Why are some file move operations as slow as copy operations? [closed]

I believe I understand how file copy/move operations work (or appear to work). My general understanding being that as long as files and directories are on the same device and filesystem, moving a file ...
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1answer
46 views

Can't open mounted USB stick - Permission denied

I followed this guide to automount a USB stick to my Raspberry Pi 2. I'm using Raspbian Lite. https://www.raspberrypi.org/documentation/configuration/external-storage.md The USB stick is a Sandisk ...
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1answer
69 views

One volume does a *full* fsck every boot, even though it's clean

As the subject says, I have a Raspbian system (Buster, and this happened with the prior Raspbian version too) that runs a full fsck on one particular volume every time it boots. And this only happens ...
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4answers
64 views

Is it safe to reuse a crashed SD card?

I have the following set-up: RPi 3 8GB MLC microSD partition 1: root and the rest (read-only) partition 2: /var filesystem (rw) continuous writes to /var/logs system will experience unexpected sudden ...
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2answers
37 views

is the Raspbian NTFS implementation journaled?

I read somewhere that Raspbian NTFS implementation is not journaled, but I didn't find confirmation that it is true. If it is true there is a way to have it journaled? I'm using it on a USB stick ...
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1answer
181 views

Pi 2: External HDD Randomly goes into Read Only File System Mode

I've a raspberry pi 2bplus and I've installed the latest Raspbian strectch on it. I've connected External HardDrive to the pi. I'm running into a really weird problem that doesn't make sense to me ...
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1answer
354 views

Unknown filesystem type 'hfsplus' when mounting HFS+ volume on Raspbian Stretch

I am looking to mount an HFS+ volume on my Raspberry Pi running Raspbian Stretch. I have just installed the packages hfsplus hfsutils and hfsprogs. When I run cat /proc/filesystems it looks like ...
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1answer
138 views

Error executing ifdown and ifup command

I'm running a python script to configure the wifi interface, but I'm having a problem with the ifdown and ifup command. It looks like this command has been replaced by: sudo ip link set wlan0 down ...
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1answer
161 views

Why is there unallocated space at the beginning of Raspbian image file?

I always wondered why there is unallocated space at the beginning of any medium written with a Raspbian image file. I usually use dd to do so, whatever medium I use (flash drive, SD card or USB drive)...
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2answers
192 views

Not enough space for 105M archives when 869M is left

The command sudo apt-get upgrade says [...] Need to download 105 MB in archives. After this operation, 2.108 kB disk space will be used E: Not enough space in /var/cache/apt/...
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161 views

Set variable PATHS_FROM_ECLIPSE_TO_PYTHON debug remote PyDev

I want to write my Python scripts from my Raspberry Pi 3 b+ in my Eclipse IDE (Windows 10) and be able to debug them. I installed Pydev and RSE plugins on Eclipse. I installed Pydev on my Rasp Pi ...
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15 views

creation of filesystem image in another image

I am creating Ubuntu raspberry pi os from scratch using this https://a-delacruz.github.io/ubuntu/rpi3-setup-filesystem Iam struck here please provide full procedure 1. full filesystem creation as ...
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1answer
54 views

Does formatting 120gb SSD with FAT damages raspbian filesystem at expansion?

I have recently bought a new ssd of 120 GB, and I ended up format it to FAT filesystem, then later I flashed raspbian jessie onto it. Everything went well and is booted from SSD until I hit expand ...
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2answers
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sda2 is not on SD card. Don't know how to expand

I created image of raspbian jessie on 32GB memory card using dd command. sudo dd if=/dev/disk3 of=~/os_images/raspbian_jessie.img bs=1m then I used etcher tool to flash that image to the 120GB SSD, ...
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1answer
220 views

Pi won't boot after memory swap

When turning on my Raspberry Pi, the boot fails after an error. It says: -bash: /usr/local/virtualenvwrapper.sh: No such file or directory This happened after I changed the /etc/init.d/dphys-...
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1answer
137 views

Netboot raspbeery pi with nfs server different filesystem

I'm trying to netboot some Rpi 3B+'s, I have it working if I put the nfs server on another rpi, but if I use the same configuration, just put the nfs server on a Centos machine with xfs file system, I ...
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1answer
513 views

How does any file system REALLY work on a Raspberry Pi SD card?

I am surprised by the large amount of data I'm writing to the root partition in a Raspberry Pi. My applications and system logs are not writing that much. I use the usual tricks to reduce it. What's ...
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1answer
425 views

Detect an SD card that became read-only

Recently my SD card died, becoming permanently locked in a read-only state. I realized it a few weeks after the fact, when I saw that files I would create disappeared after a reboot. Of course, all ...
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1answer
224 views

Naming images from camera with time so that they don't overwrite

I'm working on a project which will use a PIR motion sensor to take a photo of the room, also triggered by the PIR sensor. I'm using the PIR sensor for something else at the same time, so I'd rather ...
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0answers
57 views

My Pi seems to be duplicating my USB stick in the file manager

I formatted my USB stick and called it STORE-1 But after some time, File Manager showed me this: Before it was SETTINGS and STORE-1. Now access is denied to STORE-11 and STORE-1 and I can only use ...
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1answer
136 views

Why is there unpartitioned space on my SD card?

First off, I'm running Rasbian with NOOBS. I was following a tutorial on creating a new partition here: How do I create and mount a partition using the remainder of my SD card? And I started ...
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1answer
474 views

Files not saving even with flush

I have a program that is intended to log the incoming data from a sensor. The sensor is reporting at 200 hz and needs to be logged at least that fast so there are no lapses in data. It is important ...
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3answers
139 views

RPi 3 kernel without VFAT support

I am building a very compact Linux kernel for my RPi 3. I have stripped a lot of features from the kernel. The current kernel size is around 4 MB. Currently I only have ext4 and vfat FS enabled. I ...
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1answer
545 views

What encryption to choose for secure directory on USB Storage? [closed]

I need to choose encryption tool to secure my USB stored files, and I'm stuck with tools like VeraCrypt, ecryptfs or dm-crypt. The task is to encrypt folder or virtual disk that could be mounted as ...
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0answers
52 views

My Raspberry PI hangs after searching for files on the SD card

Strange issue here: when performing simple file search under "/" or issuing du command on large folders, my RPi's OS dies and needs hard restart. For example: * find / -name "index.html" * du -s /usr ...
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2answers
1k views

overlay filesystem

I am trying to install a overlay filesystem, in order to make the sd-card read-only. I've used this script: https://github.com/janztec/empc-arpi-linux-readonly It ran without errors, and it has ...
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1answer
133 views

Syncing to SD Card is too slow

I'm writing some bytes to the filesystem. Afterward I'm calling sync to ensure the buffered data is flushed to the SD card. This command takes several seconds! I'm working with raspbian. My SD Card ...
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0answers
22 views

Is it normal that sync() from unistd.h takes multiple seconds

When a user performs some setup via a Web GUI, I'm calling sync() to ensure the setup changement is immediately saved to the SD Card. (I'm doing this because the user sometimes switches off the power ...
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2answers
105 views

Should I change the installation directory for apt?

I was recently attempting to update some files using apt-get and was given an out space error. I then realized everything was being installed to the boot partition which is only 40mb (on a 32gb card). ...
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54 views

Help recovering files on Raspbian from a former WD MyBook World Edition II (Linux file system)

With my Mac I used to backup .jpg and .NEF (Nikon raw files) on a WD MyBook World Edition II network drive. After a few months I was not using it, I discovered it was not working anymore. On the WD ...
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1answer
1k views

Dependency failed for File System Check on /dev/disk/by-partuuid/5cxxxx

I'm trying to move my root partition onto a SSD. It is a PI1. I know the Pi(1 and 2, at least) cannot boot directly from USB (and I'm not interested in doing that anyway, I would only load the ...
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1answer
687 views

Copying files to usr/local in Raspbian

I have been trying to install Opencv following the instructions given in this link [https://github.com/manashmndl/FabLabRpiWorkshop2017/wiki/Painless-OpenCV-in-Raspbian-Stretch] I need to copy files ...
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2answers
1k views

Extend Root Partition Failure (Kali + RPi 3b+)

I have recently built a Raspberry Pi 3b+ with Kali Linux for the Pi (https://images.offensive-security.com/arm-images/kali-linux-2018.2-rpi3-nexmon.img.xz). I have unpacked and dd the image onto my ...
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2answers
118 views

modified files on boot partition being reset after first boot

I am trying to perform a headless setup of a raspberry pi zero W, which involves creating some new files in the boot partition of the SD card before putting it into the pi (wpa_supplicant.conf and ssh)...
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1answer
41 views

What can Cause Duplicate File Names?

As you can see below, I somehow have duplicate file names. I'm not sure if the files themselves are duplicate. Any idea how this can happen? The PI is running Raspbian Jessie.
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apt-get upgrade not working anymore

I'm trying to reinstall Raspbian Stretch Lite version to make a fresh install on my Rpi 2 B. I use to follow the every same steps everytime I do this; sudo raspi-config //to expand file system ...
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1answer
559 views

/tmp has been reported to be read-only filesystem

Environment: Up to dated rasbian. pi@raspberrypi:/etc $ cat os-release PRETTY_NAME="Raspbian GNU/Linux 9 (stretch)" NAME="Raspbian GNU/Linux" VERSION_ID="9" VERSION="9 (stretch)" ID=raspbian ID_LIKE=...
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1answer
134 views

How to export a Linux instance from VirtualBox to a plain text filesystem?

For example, Raspberry Pi images can be "burned" to an SD card from an image file that contains a simple plain-text file tree that is the Raspbian (a Debian sub-flavor) filesystem (e.g., as discussed ...
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4answers
3k views

how to create a bootable image for Raspberry Pi

I need to create a bootable image like ***.img for a SD card. At the moment I am doing something like this: dd if=/dev/zero bs=512 count=1 seek=SD_CARD_SECTORS of=boot.img sfdisk --force --no-reread -...
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1answer
286 views

Why does Rasbian start the boot partition at 8192?

It seems the boot partition can start at 2048 based on reading, although I haven't validated it (yet) and wonder if its related regarding compatibility? Taken from the export-image/prerun.sh fdisk -...
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1answer
1k views

Why are the /boot partition from Raspberry Pi and a EFI system partition (ESP) both formatted as a FAT32 partition? [closed]

I understand that each processor has its own specific way of starting. Fact is that both of them (RPi and UEFI boot) need a small FAT partition to boot, both around 100MB. Is there any reason for ...
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1answer
49 views

Will linking the clock file to an in-memory file lower the wear on the SD card?

I use systemd-timesyncd, which writes a status (probably) to a file at every synchronization. As the Arch documentation mentions, The service writes to a local file /var/lib/systemd/clock with ...
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1answer
420 views

Preventing Stretch from expanding filesytem on boot

How does one prevent Stretch from expanding the file system at boot time ? When you flash the new Stretch image (september 2017) on the SD card and boot the first time, it auto expands the file system ...
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1answer
40 views

More files than I need? [closed]

Sorry if any of this comes across as uninformed etc, I'm normally on stack for code at work but I have a pi at home which I've only used for media up till now. I'm trying to put RetroPie on it as I'...
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1answer
950 views

Trying to force OpenELEC to keep HDMI on, but fs is readonly

My question is like this one: How do I force the Raspberry Pi to turn on HDMI? , except for OpenELEC and not Raspbmc. Basically I have a homemade media center Raspberry PI 3 with OpenELEC/KODI ...
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1answer
52 views

Use USB as power only, no filesystem access on external device

I have a USB powered dash-cam that runs off a normal cigarette lighter for its power. I have a use for my car to run a raspberry pi and I wanted to use the pi to power this camera. I have written ...
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1answer
233 views

Can't mount raspberry after I've burn raspbian [closed]

Given: So, I have an 8 GB sd card. TODO: Get raspbian Solution: First I delete the partition: Command (m for help): d Selected partition 1 Partition 1 has been deleted. After i've created a new ...
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2answers
3k views

How to use external flash drive as raspberry pi 3 root storage?

What I want to be able to do is make my raspberry pi use my 1TB Flash drive as the root file system drive for raspberry pi so I can run everything trough it. I want to do this because my current SD ...