Squashfs is a read only file system in which all inodes, files, and directories are compressed. It is thus most suitable for archival use or other specialist purposes such as its use in Ubuntu Live Cds.

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`squashfs-tools` creates incorrectly compressed file

I have a 6.3G filesystem dump that I've been trying to compress using squashfs, but after using unsquashfs, the generated file is different from the original dump. I generated a difference between ...
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Creating squashfs system images using docker

I would like to use docker to create squashfs ubuntu system images to use in LiveCD scenarios. I have a script, that exports docker image to squashfs and cleans up the system a little bit. It reverts ...
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Ubuntu ISO Structure

I am working on an ubuntu iso personalization script based on the buggy uck .. The uck team seemed to know what they were doing, they used the structure of the ubuntu iso image a lot .. The problem ...
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Problem cause when install/try ubuntu from USB; got squashfs errors on Dell Inspiron 11

It looks like Squashfs errors were prevalent in the past but I haven't seen much recently. I'm using a Dell Inspiron 11 3000 with Windows 8.1 pre-installed. I turned off fastboot, secure boot, still ...
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Extract A Squashfs To An Existing Directory

I have an Ubuntu installation backed up as a .squashfs file. I would like to extract it to the root of a partition, but when I try gives me an error saying the directory exists. I can extract just ...
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how to manage livecd collaboration in git

Im trying to create a git repository that will hold an Ubuntu LiveCD image so all my team can collaborate but ive hit a rough patch... if i create the repository from an open (unsquashed) image, when ...
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219 views

How to make a .sqfs file

I've created an Ubuntu 13.10 Server 64-bit installation using a live CD. I want to backup the installation as a .sqfs file. I'm confused about how to do so. I looked at: ...
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Why is full compression not used during squash?

Was interested to know why, with space/bandwidth at such a premium, is full compression not used during squash. For example, calling mksquashfs with the -comp xz -b 1M options at compression time ...
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How to access my saved files on a persistent LiveUSB?

I have been using a persistent mode USB when the hard disk of my laptop crashed. I like to mount the USB files on another computer running Ubuntu 12.10. From what I found after internet search, the ...
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The relationship between initrd and squashfs

If we are using initrd for, say in live usb, why would we also need squashfs? Can anyone explain please? Thanks
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Repacking of the squashfs file

How to unpack and repack squashed system.img file? I am a noob in linux so give me a detailed instruction, please. My Ubuntu version is 12
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Can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs)

I downloaded 12.04.1 and md5 sum checked them and everything is good. Made a live usb and booted up... Just gets to where its about to start with the purple ubuntu loading screen then it goes back ...
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Howto cleanly unmount a root filesystem that's using aufs

Preface: I've made a boot-image that boots up Debian/Ubuntu using SquashFS and aufs. The image contains a cleaned up debootstrap install, compressed into a squashfs image. The squashfs image is ...
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Finding out what filesystem a casper-rw file is formated with?

I have an old casper-rw file I'd like to loop mount but I can't determine what filesystem it was created with. What I do know is that I used UNetbootin to create it. I tried to mount it with all the ...
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264 views

Compressing part of filesystem a second time

I have a laptop running Ubuntu 11.10. I've replaced the HDD with a 120GB SSD, and to save some precious disk space I utilized one of Steve Hanov's tips for optimizing Ubuntu to run on a USB key or SD ...
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How to create a bootable system with a squashfs root

My goal is to be able to take a customized root file system loaded with the software I want. So far I've created a squashed filesystem using debootstrap and chroot to install the software I want on ...
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934 views

Safe to remove…?

I'm trying to customize a LiveCD, but I can't manage to fit it on a normal CD. So I investigated, and came across a few files of which I don't know if it's safe to remove them. Maybe you can help me ...