Questions tagged [rootfs]

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Boot from other root partition to shrink original root filesystem on LVM

How can I change the root partition for Debian 10 to boot from? I'd like to decrease the size of my root filesystem that sits on an LVM logical volume from remote, that is over SSH only and without ...
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1answer
854 views

adding new partitions to a device the containing root partition [closed]

On virtual box, I have my root file system mounted on the LVM: # df -h | head -n 2 | tail -n 1 /dev/mapper/cl-root 1.5G 951M 404M 71% / The LVM is mounted on /dev/sda2, and /dev/sda has the ...
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1answer
789 views

tmpfs file system is full. Need assistance to increase this or remove unneeded software

Almost at a loss here. Been running a fast server for a couple of years with Plesk. Hosting our own website and services. Over the last few days, I noticed a lot of problems but didn't think to check ...
1
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1answer
2k views

Download kernel+rootfs and boot on it with u-boot

We are working with a few single board computers (SBC). We generate linux embedded images with Yocto (using U-boot as bootloader), and we deploy it manually on SD cards. This works well for now, when ...
4
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1answer
3k views

FreeBSD 10.1 how to autoreboot on kernel panic

Recently I installed FreeBSD 10.1 on machine that for years was working fine with FreeBSD 6.2. Since machine is located in datacenter I configured remote access via serial console. After installation ...
0
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1answer
2k views

Why is Ubuntu/Linux /proc/mounts lying to me?

I've got a broken HDD for the rootfs - this probably caused the filesystem to be mounted read-only... however /proc/mounts still says it's mounted rw: $ cat /proc/mounts rootfs / rootfs rw 0 0 ...
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2answers
101 views

ZFS terminology: does 'root file system' accurately describe the file system at the root of a pool?

I began using the expression root file system. Recently in search engines I see, that three-word expression has different interpretations in relation to ZFS. To avoid future misunderstandings: if ...
-3
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1answer
1k views

How can I run Linux from RAM only [duplicate]

Possible Duplicate: Copy OS to tmpfs from initramfs I am putting together a new server with 64GB of RAM and I would like to copy the whole Linux OS into RAM from the disk and run the operating ...
27
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2answers
58k views

What is rootfs?

I'm a longtime Fedora user and I've just installed FC15. The new partition layout is confusing to me, as I'm used to the "plain vanilla" partitions that previous versions used. [root@localhost ~]# df ...
10
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3answers
24k views

What is mdev and how to /dev/* nodes get created in Linux?

Our Linux kernel is 2.6.31 running on an embedded MIPS processor with busybox. The initialisation script (rcS) starts mdev with: echo "/sbin/stbhotplug" > /proc/sys/kernel/hotplug mdev -s Can ...
0
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1answer
554 views

Linux (FC14/i386) is raid1 intact after hot fs install? How to repair?

My older (FC11) install had reached EOL, and I tried to reinstall FC14 on its RAID1 root filesystem. I'm now having suspicions that now, after the install FS is not fully raided. The question is if ...
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3answers
2k views

Kernel Panic with gentoo boot (root partition not found)

Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0) grub.conf default 0 timeout 30 splashimage=(hd0,0)/boot/grub/splash.xpm.gz title Gentoo Linux 2.6.34-r6 root (hd0,0) ...
0
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2answers
3k views

Debian - resize root ext3 partition on remote system

I want to resize (shrink) root ext3 fs partition of remote Debian 5.0 system. There is no LVM. Is it possible without using a livecd? E.g. via custom initrd.img. And second problem - Can I instuct ...
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2answers
2k views

Mount RootFS error: VFS: Cannot open root device “mtdblock4” or unknown-block(0,0)

My MTD partition is: Creating 5 MTD partitions on "Physically mapped flash": 0x00000000-0x00040000 : "UBoot" 0x00040000-0x00060000 : "BDINFO" 0x00060000-0x00100000 : "JFFS2" 0x00100000-0x00380000 : "...
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1answer
3k views

How to mount a root aufs in Red Hat / Fedora Core?

I'm trying to set up a virtual machine running Red Hat EL (actually Scientific Linux, but same difference) where the root file system is protected and not writable. I'd like to accomplish this with a ...
0
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3answers
359 views

Linux rootfs array randomly fails to assemble

I have a machine running Arch x86_64 2.6.30. It's root is set on a raid5 array automatically mounted under /dev/md0. This is done via the kernel params as follows: kernel /vmlinuz26 md=0,/dev/sda3,/...
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6answers
2k views

Creating disk images with partitions as a non-root user

I am trying to build a disk image as an output from my build system (currently SCons). Creating disk images from a directory structure is very easy to do, for example with genext2fs (http://genext2fs....