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.
186
questions
0
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1answer
23 views
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 ...
0
votes
0answers
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 ...
1
vote
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 ...
0
votes
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 ...
4
votes
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 ...
1
vote
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 ...
2
votes
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 ...
3
votes
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 ...
0
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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 ...
0
votes
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
...
2
votes
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)...
2
votes
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/...
0
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0answers
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 ...
0
votes
0answers
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 ...
0
votes
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 ...
1
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2answers
1k views
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,
...
1
vote
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-...
0
votes
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 ...
1
vote
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 ...
2
votes
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 ...
1
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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 ...
1
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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 ...
1
vote
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 ...
1
vote
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 ...
1
vote
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 ...
1
vote
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 ...
1
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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
...
0
votes
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 ...
0
votes
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 ...
0
votes
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 ...
0
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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). ...
0
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0answers
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 ...
0
votes
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 ...
0
votes
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 ...
0
votes
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 ...
0
votes
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)...
0
votes
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.
0
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0answers
96 views
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
...
1
vote
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=...
-1
votes
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 ...
1
vote
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 -...
1
vote
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 -...
2
votes
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 ...
0
votes
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 ...
2
votes
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 ...
0
votes
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'...
2
votes
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 ...
1
vote
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 ...
-3
votes
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 ...
3
votes
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 ...
