45 questions
0
votes
1
answer
164
views
singularity failing due to error squashfs filesystem seems not enabled
Singularity version 4.1.4-1 and squashfs-tools version 4.3 are installed on RHEL 7.9 (Maipo).
Running a container fails with the following message:
(base) -bash-4.2$ singularity --verbose shell ...
0
votes
0
answers
969
views
Can't extract squashfs file system using unsquashfs tools
I'm trying to analysis router firmware.
I desoldering chip from router. chip name is F59L1g81la
And i erase ecc data from the extracted firmware and using binwalk to extract filesystem. It worked but ...
- 99
0
votes
1
answer
1k
views
Kernel panic: No working init found. Where is the problem
I'm trying to boot a beaglebone black using u-boot. I'm using a microSD card that is partitioned into 3 partitions:
a FAT boot partition that with the U-boot image, and the kernel image.
a SquashFS ...
- 17
1
vote
0
answers
126
views
Get compressed file size in Squashfs
Is there any way to get the compressed file size in squashfs?
I need to get every single compressed file in squashfs.
- 11
0
votes
1
answer
329
views
How to multiple compress different folders with Squash FS on linux?
I have tried those without success:
for i in */; do mksquashfs "${i}" "${i}.squashfs" -comp xz
find . -name "*/" -exec mksquashfs {} {}.squashfs -comp xz \;
My object ...
- 89
0
votes
0
answers
299
views
Unable to mount /dev/pmem0 with 'dax' option
I am upgrading the kernel version from 4.14 to 5.4.103.
We have /dev/pmem0 created with the following command line: memmap=0x1000000!0x10000000
As a result /dev/pmem0 has been created. But, the mount ...
- 163
4
votes
0
answers
2k
views
Snapd error: system does not fully support snapd: cannot mount squashfs image using .... Operation not permitted. Ubuntu 20.04 [closed]
Im trying to install certbot and snapd core etc and it gives me this error:
error: system does not fully support snapd: cannot mount squashfs image using
"squashfs": mount: /tmp/sanity-...
- 41
4
votes
1
answer
3k
views
How to mount a squashfs file in a container when running rootless Podman?
I have a squashfs file that was created with mksquashfs. How can I mount the archive from within a container? I'm using Podman version 3.4.1 and have a normal user on the computer system (so I'm ...
- 11.4k
0
votes
0
answers
339
views
How to replace the android system image using a compressed file system?
Can one reduce the android images created using the AVD manager with a compressed file system?
Can one use squashfs to reduce the read-only files like system.img?
How to remove some of the kernel ...
- 7,080
0
votes
1
answer
899
views
bitbake/wic error when making squashfs file systems
When I specify the squashfs file system type in the wic kickstart file (.wks file):
part /boot --source bootimg-partition --ondisk mmcblk0 --fstype=ext4 --label bootfs --uuid 69AE36A5-1C24-412C-89F4-...
- 5,161
1
vote
1
answer
5k
views
Yocto - How do I change the rootfs file system type
I'm trying to build vdi image with squashfs rootfs, but cannot find where to change current ext4 fs into squash. Closest solutions I found is here: How do I change the rootfs file system type used for ...
- 13
1
vote
1
answer
4k
views
using squashfs image file as rootfs
I'm working on a system where I wish to use a squashfs image as the root file system. What I would like to do is have a kernel image and a squashfs image file in an ext4 partition to facilitate ...
- 139
0
votes
1
answer
336
views
Is it possible to mount a squashfs file in google colab's VM?
In a Google Colab Notebook, you can execute arbitrary bash commands by prefixing a line with ! or starting a block with %%shell. You have significantly free permissions to do whatever you like in the ...
- 5,848
0
votes
0
answers
563
views
Extracting firmware with python (offset question)
The Binwalk output of modified firmware
for some reason whenever I try to extract a firmware with the identified parts using python, I get so many additional xz compressed data.
Here's my code in the ...
- 67
0
votes
2
answers
7k
views
squashfs error when running singularity after Ubuntu upgrade
Overview:
I am working with code in a singularity image on a machine running Ubuntu 18.04. It was working (well, I was debugging the code) as of Tuesday evening on machine A. I ran an update and as of ...
- 68
4
votes
1
answer
5k
views
Snap is Unable to mount it's squashfs image on Debian Buster Crostini
I need help with a big problem with Snap Package Manager on Debian Buster Crostini. Whenever I try to install Anbox with Snap package manager, it gives me the error:
error: system does not fully ...
0
votes
1
answer
1k
views
rauc fails to mount .raucb files
When I try to install a rauc package I get the following:
root@phyboard-regor-am335x-1:/tmp# rauc install
phytec-qt5demo-bundle-phyboard-regor-am335x-1-20200506102456.raucb
rauc-Message: ...
0
votes
1
answer
416
views
Strategy for compressing and navigating large compressed directories
I manage a computer cluster. It is a multi-user system. I have a large directory filled with files (terabytes in size). I'd like to compress it so the user who owns it can save space and still be ...
- 5,032
0
votes
1
answer
494
views
Determining where the extra information from squashfs comes from
I extracted the root file system from an IoT device, and I was able to peruse it using unsquashfs. I then changed a single byte in a single file, and recompressed it again using mksquashfs. When I ...
- 433
0
votes
1
answer
385
views
How to use mksquashfs -regex?
I want to mksquashfs a chroot, and include the /cdrom dir, but exclude everything inside it. I already know how to do this with -wildcards, but I want to see if -regex has a bug. Test case:
cd $(...
- 3
0
votes
0
answers
888
views
Error when compile Squashfs tools from source
I'm trying to compile modified squashfs tools from source code (GPL source). Installation 'readme' from original pack have notes that it can be built without needing to patch the kernel.(locally)
2. ...
- 151
2
votes
1
answer
3k
views
Enabling squashfs inside docker
I am trying to run singularity inside a docker container. However, I can't seem to figure out or understand how to get "squashfs" capabilities working for .simg singularity images.
I have seen a few ...
- 1,250
0
votes
1
answer
2k
views
OverlayFS as root FS: should I mount --move upper/lower/workdir to new root?
I work on an embedded system which boots from a SquashFS image located on a UBIFS formatted SPI flash. I added OverlayFS over / (root) support so that we can change all the files around but get them ...
- 179
9
votes
1
answer
6k
views
singularity extract, edit, and rebuild image
I have a singularity container that has been made for me (to run tensorflow on comet GPU nodes) but I need to modify the keras install for my purposes.
I understand that .simg files are not editable ...
- 3,253
2
votes
1
answer
2k
views
Squashfs check compressed file size
is there any way to check the final size of a specific file after compression in a squashfs filesystem?
I'm looking through mksquashfs/unsquashfs command line options but I can't find anything.
...
- 896
1
vote
1
answer
705
views
customize debian live user
how can I change the home folder of default live user in a customized debian linux? what I want is:
installing some packages in default installation and for live boot of debian
some customization in ...
- 17
2
votes
1
answer
1k
views
Signature for squashfs to check in u-boot
I have board with arm-proccessor, that uses u-boot to load firmwares. I load firmware as Squashfs, but I want to make sure, that no one would be able to load their own firmwares, so I want to some how ...
- 23
4
votes
1
answer
2k
views
mksquashfs not excluding file
I am having issues excluding a specific file from a squashfs. I want to be able to exclude all file types ending with *.db but have had no luck.
Whenever I run the mksquashfs command with the ...
- 53
0
votes
2
answers
1k
views
why mksquashfs exports file changes every time even the content has not changed?
My project need to use mksqashfs pack something to an image,when the content changes, I need to replace image file with the new one.
Before using sqashfs,I 'v used tarball+md5sum. Content changes ,...
- 53
2
votes
2
answers
8k
views
Extracting from bin file
So I tried this:
root@kali:~/Desktop/fmk# binwalk upgrade-2.4.0.bin
DECIMAL HEXADECIMAL DESCRIPTION
--------------------------------------------------------------------------------
512 ...
- 285
3
votes
0
answers
659
views
Docker windows loading kernel modules
I'm running Docker for Windows (similar effect described below is observable on MacOSX)
I have a Docker Container in which a program tries to access a squashfs image. To access squashfs the kernel has ...
- 346
5
votes
2
answers
32k
views
How to handle squashfs in Windows
I have to update some files in a squashfs image file. I found a tool in Linux but not in Windows.
Can anyone help?
- 119
1
vote
0
answers
309
views
How to make shared libraries work with python in squashfs (lvm2py and liblvm2app.so)
I am trying to write my own script to create partitions. (Even though this can be done in anaconda, I want my custom script) The script creates lvm based partitions using lvm2py module. lvm2py ...
- 98
5
votes
3
answers
14k
views
How to make squash file system read-write
My RTL8196EU Realtek board having read-only squash file system. How do I make this file system Read-Write.
I have tried mount command
mount -o remount,rw /
But its not fixing the problem.
Help me ...
- 601
2
votes
1
answer
8k
views
Mount Squashfs as Root in initramfs Raspbian
I'm currently trying to make my raspbian boot from a squashFS image through initramfs.
The squashfs image is on file system /dev/mmcblk0p1, so I mount this prior to mounting the Image.
Unfortunately ...
- 23
1
vote
2
answers
596
views
Choosing squashfs for RFS
Our product has the following configuration, iMx6 processor, 2GB eMMC, 512 MB RAM, couple of Ethernet ports and USART ports. This is going to be a 24/7 365 days working device.
We are planning to ...
- 11
0
votes
1
answer
2k
views
Why do I get this error: /system/bin/sh: ./mksquashfs: not executable: magic 7F45?
As I could not get mksquashfs tool for android. I compiled it for arm using cross compilation and got it built, toolchain is same for kernel as well mksquashfs.
I pushed mksquashfs to /data/ ...
- 1,873
5
votes
1
answer
22k
views
SQUASHFS error: Unable to read page, ..., size
I'm working with embedded ARM platform with built NAND flash. My roofs partition is squashfs. Both u-boot and kernel use OMAP_ECC_BCH8_CODE_HW. The problem is that some boards (not just one) stopped ...
- 53
0
votes
1
answer
3k
views
trying to unpack firmware update with non standard compression
I am trying to unpack a clear spot firmware update
The firmware I am trying to reverse can be found on the download page of the vendor I have used the fwtools to unpack the firmware as described on ...
- 71
4
votes
1
answer
4k
views
redirect file to stdout - reverse io redirection
I have some untypical trouble under linux and unsquashfs program.
Typically we redirect stdout to specified file, but I want something reverse.
Redirect created on the fly file to stdout, without ...
- 1,142
4
votes
2
answers
16k
views
How do I write to/make changes to an existing squashfs filesystem? [closed]
How do I write to/make changes to an existing squashfs filesystem?
I have tried using aufs/unionfs, but these require kernel modules that are extremely hard to compile.
- 103
0
votes
1
answer
450
views
squashfs filesystem index to disk block mapping
can anybody please tell how the squashfs maps the disk block numbers to file system blocks.
Basically i am saying about read_blocklist() in squashfs.
Thanks,
Kapil
- 866
4
votes
2
answers
2k
views
Investigating squashfs compression ratio
Is there any tool to examine an existing squashfs image and and find out compression ratios per file?
Bonus points if it helps me can estimate the flash usage of statically linked symbols in a huge ...
- 2,422
2
votes
1
answer
16k
views
how to unsquashfs or mount a firmware image?
i want to extract my routers firmware, and modify it. so i used bitsum's firmware mod kit. it seems there is no error. i can get image_parts directory also there is rootfs.img (squashfs image) file. ...
- 1,079
7
votes
3
answers
8k
views
Reading a SquashFS archive
(SquashFS is a compressed filesystem - http://en.wikipedia.org/wiki/SquashFS)
I'm looking for a way to read a SquashFS filesystem from a program. So far, I've know about the in-kernel drivers for it, ...
- 539