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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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Run executable from Buildroot rootfs

I've been using QEMU to test a prototype I'm creating and now I want to test in on a real board. I'm using Buildroot to create the rootfs for the board and, after putting the rootfs on my SD card, I put the executable on the /bin folder. However,…
Shadowgown
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Using custom stack/rootfs in PCF Dev

A default stack in PCF Dev is cflinuxfs2 (based on Ubuntu 14.04). But I would like to use a custom stack (specifically cflinuxfs3 based on Ubuntu 18.04). I have built it successfully (also created a corresponding BOSH release), but I am unable to…
Petr Filipský
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bitbake rootfs large for core image minimal

First, I generated a core-image-sato target image using bitbake. Then after that I generated core-image-minimal target. The root file system generated still contains the contents/packages of the existing target. How can I avoid this and have a…
md.jamal
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Kernel panic when using usb device as rootfs

I formatted the usb drive and copied my rootfs files in. And modified the u-boot boot args : root=/dev/sda1. Then kernel panic: [ 5.910995] VFS: Cannot open root device "sda1" or unknown-block(0,0): error -6 [ 5.918354] Please append a correct…
Hanshuang
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How does Root File System works on embedded linux?

I'am learning about embedded systems, and i was able to compile and setup a SAM9x35 EK with buildroot, mounting the bootstrap, the U-Boot, the Linux and The rootfs (Buildroot's basic RFS[root file system]skeleton). I have LOTS of questions, but one…
AleFachini
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Buildroot doesn’t run as root and doesn’t want to run as root

I have 2 questions: I am not sure to undrestand(from the directories description in Buildroot manual): target/ which contains almost the complete root filesystem for the target:everything needed is present except the device files in /dev/…
Mouin
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{Yocto} "opkg_install_cmd: Cannot install package ." Errors

I am working with YOCTO project and running into the problem that made the build progress fail. The failure was at a last task do_rootfs Below is the error log: ERROR: Unable to install packages. Command…
Thảo M. Hoàng
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No such file or directory grub-eltorito.img

I have still problem with: grub-eltorito.img: No such file or directory Generating root filesystem image rootfs.iso9660 /usr/bin/install -D -m 0644 fs/iso9660/grub.cfg…
wolacinio
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Bootable Linux Image that can be loaded in RAM

I wonder if there is a simple way to create a bootable Linux iso image such that boots with initramfs and no longer accesses the iso image once booted. I'd like it to boot to multiuser with running ssh server and maybe set up some other services…
timo-rinne
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Synchronizing root filesystems

I have several testing computers and I want to automaticaly synchronize content of their root filesystems. What are the possible ways to do it? I am changing not only userspace applications and data but alse the Kernel will be changed.
René Kolařík
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How to get a backup of embedded Linux rootfs?

I have an embedded Linux environment working well and want save the rootfs part, then to flash others new board with empty nand. So, what I tried. From barebox (before boot of the kernell), I put /dev/nand0.root.bb to the tftp server of my PC. Then…
vincenet
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Can buildroot rootfs install angstrom package using opkg?

I’m using beagleboard-xm,and created rootfs with buildroot,adding opkg package. Now, I want add some package in angstrom, so I add opkg update source in /etc/opkg/base-feed.conf… src/gz base…
sironline
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Check what partition is used?

I'm working on a SBC6845 card with Linux on it: I have 4 partitions installed: Creating 5 MTD partitions on "atmel_nand": 0x000000000000-0x000000100000 : "Factory" 0x000000100000-0x000000300000 : "Kernel1" 0x000000300000-0x000000500000 :…
hy0shi
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Rootfs on SD card

I've a device on which I've a 3.10 linux kernel booting up to a busybox shell (initramfs) When I extracted the busybox filesystem image on the SD card and when modified the root from root=/dev/ram to /dev/mmcblck0p1, it still boots up to the…
kimi
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How to update rootfs after linux kernel is reconfigured and rebuilt?

During the development of an embedded system, I made some changes on the Linux kernel and compiled it to get the uImage, u-boot.bin and .dts file. Now the last thing booting the system needs is to update rootfs. My questions are: 1) Do I really need…
Hetty
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