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Questions tagged [rootfs]

A Rootfs is a directory structure suitable as an initial mount point for *nix systems. It always includes the binary and support files to run the init (or first) process.

A Rootfs is a directory structure suitable as an initial mount point for *nix systems. It always includes the binary and support files to run the init (or first) process.

It has a specific meaning for the Linux kernel, where a ramfs/tmpfs is populated with a compressed image and it is freed after the target/final file system is mounted. People using other OSes (and even Linux) may have alternate meanings.

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how can we mount root file system in android10

I can able to mount system partition. I could not able to mount root partition. getting error like this : 1|console:/ # mount -o rw,remount / [ 3640.420613] EXT4-fs (dm-0): couldn't mount RDWR because of unsupported optional features (4000) […
GNK
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Both libc.so.6 and libc.so exist in rootfs

I used Yocto to generated my rootfs, and a wired thing happened, both libc.so.6 and libc.so existing in my rootfs (/usr/lib/libc.so and /lib/libc.so.6). But they are different objects (not linking to a single object), that will cause my compiling…
Jade
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Creating BusyBox Image without Dockerfile

Any one please let me know how can I create busybox image from rootfs. I referred this link https://docs.docker.com/develop/develop-images/baseimages/ I want to create busybox parent image and using this script file…
afreen
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How to overwrite linux system files into the yocto filesystem?

I am new, yocto build at imx6q embedded system. I want to overwrite linux system files after do_rootfs. For example, target system files are below. /etc/network/interface /etc/issue /etc/init.d/rcS /home/root/mytest.sh so, i made custom layer and…
dev j
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Cross-compile software for a root file system

I would like to cross-compile software (libdrm-armada) for an armhf architecture. I have the root file system (~/rootfs) which contains the shared objects needed. This file system will be flashed onto eMMC and runs on a custom device. Libdrm-armada…
Bayou
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Is it possible to build dumpimage from u-boot for arm .?

I am trying to extract a FIT image created by mkimage on an ARM board. Usually when we build u-boot, mkimage and dumpimage are built for the host. I would instead like to cross-compile and install in a ramfs. Is there any method to do this? Rewrite…
pritam
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Yocto: create a symlink in an image recipe

I have a custom Yocto 'image' recipe, that uses IMAGE_INSTALL += "... " to construct the image, which also contains Python 3.5. Unfortunately, the often-used /usr/bin/pdb symlink is not created, and my users expect to be able to run pdb from the…
davidA
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OS Updating in Yocto

We are considering to use Yocto Build system for creating our own distro for our new project. We have one query: How does OS Update works in Yocto Build System. Suppose if I want to upgrade the following: Bootloader ( u-boot ) Kernel Image (…
md.jamal
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Updating root file system in buildroot generated image

Few months back I have installed embedded Linux on an i.MX6 board using Mfgtools with image generated by buildroot. I have made changes on the root file system and generated a new root file system. I don't want to reflash the existing setup, instead…
md.jamal
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Buildroot to load full rootfs into Ram

I have an Arm based embedded board. Currently the RootFS is squashfs. I am still in the development phase. My current workflow is: Make changes in the development machine. Create new Root FS image. Burn the image to the flashdisk in board. Reboot…
silentnights
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How can i turn on Developer Mode on ChromeOS launched on VirtualBox?

I have launched ChromeOS on VirtualBox. Now I want to turn on Developer Mode to disable the verification of rootfs (root file system). How can I turn on this mode without pressing buttons on laptop, because it`s launched virtually? Maybe there are…
RefFS
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Compiling busybox as BFLT executable

I'm compiling a busybox rootfs for a no-mmu architecture. The output from this compile is a ELF 32-bit LSB executable. file _install/bin/busybox: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), statically linked, for GNU/Linux 2.6.32, I…
user3142
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Size constraints of initramfs on ARM?

I'm creating a bootable Linux system on a PicoZed board (ARM CortexA9 core), and I've run into a "limitation", which I don't think really is a limitation (I get the feeling it's another problem masquerading as a limitation). I boot by starting the…
cypheratheist
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How to make correct bootargs for rootfs when device mapping changes

I use the imx.6 sabresd board which can boot using sd-card or emmc. I can boot linux correctly with both of them using u-boot and give the appropriate bootargs with the correct location for the rootfs. But when booting Linux using the eMMC the…
rpot
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extend the size of already existing ext2 image

Is there a possibility to extend the size of already existing ext2 image? This image is a ramdisk based root file system. I already have an image. but I want to extend the size of this image. Is it possible to extend the size of this image.
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