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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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Can dm-verity will support authentication of Ubifs root file system in Linux

I want to authenticate my root file system which is in Ubifs file type mounted on NAND flash device. Will dm-verity will support ubifs file system ? In dm-verity-img.bb class file i have seen only below file systems mentioned. DM_VERITY_IMAGE =…
cherry411
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Yocto fails do_rootfs without detailed information for troubleshooting

Yocto project (homepage) has very limited information while doing do_rootfs task. This task creates the root filesystem (file and directory structure) for an image. When I did baking an image (via bitbake tool) and it returned 1 failed. But going…
Thảo M. Hoàng
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minimal custom rootfs instead of sample one

This is a generic question for a specific platform: I wish to do a small "project" for learning purposes. I want to build my own minimal custom rootfs for the Nvidia Xavier NX platform instead of using the sample rootfs supplied by them. This is my…
hutcruchi
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How can I add a bitbake layer to merge in Ubuntu desktop

Can anyone give an cookbook for creating a bitbake layer to turn my Yocto Poky Dunfell barebones target into Ubuntu desktop? Or even better provide a meta-layer which can do this? The goal is to have the target boot as a full-fledged Ubuntu 18.04…
Dave McMordie
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How to use qemu to boot ubuntu with customized kernel?

I want to use qemu to boot ubuntu with customized kernel, then attach a gdb to it and debug the kernel. I refer to this question here and follow @Martins3 's answer, but come across the similar problem with @Lorenz. I don't understand @Lorenz's…
pulse
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Buildroot only builds Rootfs, now what?

I have been working with Buildroot on my Ubuntu system, and the output from the hour long make process only generated a rootfs.tar file. Should I start from the beginning again, or is there something quicker I can do? The architecture I am building…
DevBev3
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In chroot , running apt install stuck at processing triggers for?

I create a shell scripts for unattended install proxmox-ve. chroot $pve_target apt update DEBIAN_FRONTEND=noninteractive chroot $pve_target apt install init systemd -y DEBIAN_FRONTEND=noninteractive chroot $pve_target apt install ifenslave…
jiangcuo
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what are the full steps to considere in order to put the Raspberry pi SD card in read only reliably?

Intro I wanna give a last chance to this board before put it in a trash haha :). Right now I prefer use standard motherboards, Ubuntu server, automatic main power switch and perif. to have something reliable over the time though. Raspberry Pi wanted…
pierre
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Create an image with a read write partition using a Read-only file-system on yocto

I've build a Linux image with Yocto Poky kirkstone (4.0.2) for corei7-64-poky-linux 'core-image-minimal'. rootfs is mounted on RAM as read-only using: IMAGE_FEATURES += "read-only-rootfs" I'm now trying to create a new rw partition ( mounted on…
durje
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How to unzip, unpack and convert android rootfs to ext4

Android rootfs is compressed and split into: super.raw.00.gz, super.raw.01.gz, super.raw.03.gz, super.raw.04.gz How to unzip, combine, unpack them to ext4 files that can be mounted ?
Mohammad Yasir K P
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busybox build does not generate the complete rootfs

I am trying to create a rootfs that I can use for the Beaglebone Black. I have been following the instructions here: https://krinkinmu.github.io/2020/07/05/beaglebone-software-update.html for "Root file system". I have tried following the…
code_fodder
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Extend rootfs partition at runtime

I have an embedded Linux board with 16Go eMMC flash. When I boot the image and I run fdisk -l I get this: root@menzu:~# fdisk -l Disk /dev/mmcblk2: 14.62 GiB, 15678308352 bytes, 30621696 sectors Units: sectors of 1 * 512 = 512 bytes Sector size…
Talel BELHADJSALEM
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Facing kernel panic issue with Yocto: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

Scenario: I am working in Yocto linux project. I have created my own rootfs with tar.gz extension. And I have built linux kernel (using bitbake linux-kernel-rt). I am not able to load kernel and rootfs. Can anyone explain what can be the…
Sarveshk
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Yocto remove unused init system (on per-image basis)

I would like to change the init system on a per-image basis. I have created a sample image as pointed out here. This works well, but I also want to remove the unused init system (in this case SysVinit) from rootfs. Therefore I tried something like…
Stefan
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Create just smallest possible rootfs using yocto

I want to create am minimal Linux system. I have compiled the kernel myself, but I want to use Yocto to build my rootfs. How can I build the smallest possible rootfs to startup and system and open a shell without building the kernel? Also, how can I…
josecm
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