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12
votes
0answers
270 views

Diskless Boot with IPv6

at our work we are using around 80 diskless machines running Ubuntu. We want to make the transition to IPv6, so now I'm trying to get our diskless system to work with IPV6. The transmission of the ...
10
votes
2answers
61k views

Boot drops to a (initramfs) prompts/busybox

I am running an HP pavilion dv6000 dual boot win7 and Ubuntu 12.04. (well, up until today). After a reboot, the boot process drops to the BusyBox shell and I end up at the prompt: BusyBox v1.18.5 ...
7
votes
2answers
5k views

How do I get a live-USB to use a partition for persistence?

I want to install Ubuntu to a USB hard drive so that it will run on all systems, that can run the LiveCD and store persistent data on a regular ext4 partition rather than a casper-rw file. In every ...
7
votes
2answers
6k views

initramfs problem when out of disk space

I just upgraded from 10.10 to 11.04. During the upgrade process, it said there was a problem setting up initramfs-tools and I needed to do sudo dpkg --configure -a So once I got 11.04 started for the ...
6
votes
3answers
11k views

Fixing unbootable installation on LVM root from Desktop LiveCD

I just did an installation from the 10.10 Desktop LiveCD, making the root volume an LVM LV. Apparently this is not supported; I managed it by taking these steps before starting the GUI installer app: ...
5
votes
3answers
11k views

Initramfs error during boot

Boot from (hd0,0) ext3 238ac8ca-9576-443d-8e23-8dd836cd2683 Starting up ... mount: mounting /dev/disk/by-uuid/238ac8ca-9576-443d-8e23-8dd836cd2683 on /root failed: Invalid argument mount: mounting ...
5
votes
2answers
2k views

Using the fsc mount option with nfsroot kernel parameter to allow FS-cache

I'm PXE-booting a Ubuntu 10.10 system, where I specify the kernel parameters as follows: append root=/dev/nfs initrd=ubuntu-boot/initrd.img-2.6.35-24-generic nfsroot=11.22.33.44:/data/nfsroot,fsc ...
4
votes
3answers
5k views

System won't boot unless I type “exit” at initramfs prompt

I installed MDADM for my RAID, and ever since that when I boot up the system just sits at the purple screen forever. After pulling my hair out for a week, I finally discovered - purely by accident - ...
4
votes
4answers
18k views

Possible missing firmware /lib/firmware/rtl_nic/rtl8168d-2.fw for module r8169 with 2.6.38 kernel

I notice when I do: sudo update-initramfs -u With the latest kernel release (2.6.38) I get the following warning messages: update-initramfs: Generating /boot/initrd.img-2.6.38-3-generic-pae W: ...
4
votes
2answers
1k views

How to install dracut on Ubuntu?

I just tried to install dracut, a replacement for the initramfs-tools on a fresh Ubuntu 12.10 server to use the advanced features of dracut for booting from NFS over two bonded interfaces. ...
4
votes
1answer
646 views

How Do I Customize the “cryptroot” Script?

I have a system where all the partitions (/, /home, and swap) are encrypted except for /boot. /boot resides in an external device which also contains a set of encrypted key files used to automatically ...
3
votes
3answers
6k views

cannot mount /dev/loop1 on /cow

I am trying to install ubuntu 12.10 64bit using a liveUsb and I got this message : cannot mount /dev/loop1 on /cow which shows up after clicking on "try Ubuntu before installing" or install Ubuntu". ...
3
votes
1answer
5k views

LUKS initramfs boot problem: “/dev/mapper/ubuntu-root does not exist.” How can I fix it using a backup?

First time asker, relatively new to Ubuntu/Linux. Haven't had much luck with the search function. Please forgive the essay below - the problem is a bit unique, I think... I'm running 12.04 on a ...
3
votes
0answers
993 views

“BusyBox initramfs” prompt while attempting to install from live CD on 2nd HDD

I've created a partition in ext3 on my second HDD to install Linux. However, when I come to boot the CD, I get directed to a BusyBox prompt with no other choice than help. Other topics I've read on ...
3
votes
1answer
2k views

initramfs unable to find a medium containing a live file system

I have a R100 Toshiba external CD-Rom using pci card and usb floppy. I have tried to install XP to see if it works any different and to do that I have to use recovery disks for the Toshiba to make a ...
2
votes
1answer
664 views

How to reduce the size of initrd.img on Ubuntu 13.04

with my latest upgrade to Ubuntu 13.04, the initrd.img-3.8.0-21-generic file is now 32M. This is creating me problem with upgrading to newer kernels as I have /boot partition of just 96MB. What can I ...
2
votes
2answers
280 views

Broken /boot partition: input/output error

The Problem The issue I am facing is that I get the following error on boot, after I select Ubuntu in GRUB: Error: File "/vmlinuz-3.13.0-24-generic.efi.signed" not found. unaligned pointer ...
2
votes
2answers
334 views

Order in which passphrase is asked for encrypted volumes

I have installed 12.10 on a machine with two disks. The root partition is on one disk, the swap partition on the other. Both disks are encrypted and I have added the corresponding entries to ...
2
votes
1answer
19k views

Ubuntu 12.04 won't load - hangs at Busybox v1.18.5 / initramfs

I want to start by saying that I am very new with Linux (about 1 month using it). I have had no problems up until now. I am running Ubuntu 12.04 from a Toshiba laptop with 250 GB hard drive and 3 GB ...
2
votes
1answer
2k views

How do I use dm-crypt (LUKS) with GnuPG to use two-factor for FDE?

When using full disk encryption with Ubuntu (opposed to homedir encryption), dm-crypt with LUKS is used for encrypting the volume. In the installer (at least on 12.04 alternate) you can choose between ...
2
votes
1answer
961 views

What is the /usr/share/initramfs-tools/scripts/casper-functions for?

In my ubuntu-based system, everytime update-initramfs gets called I got errors like this: .: 6: Can't open /scripts/casper-functions So I took a look around and found the script casper-functions in ...
2
votes
4answers
483 views

Reboot to fail safe mode when root file system is full

I have a system running on a 4GB Nandrive. When the drive is full, Ubuntu will not boot :( and I have to plug in a rescue thumbdrive to delete files. The problem is the hardware is not easily ...
2
votes
2answers
487 views

Ubuntu 9.04 upgrade to Ubuntu 11.10 failed, initramfs? SOS

I was trying to upgrade my company desktop Ubuntu 9.04 to Ubuntu 11.10. However, run until half way, the electric line was breakdown. When I reboot the computer again, the installation is incomplete ...
2
votes
1answer
4k views

After GRUB loads linux: No init found

When I start Ubuntu from the grub, I get a strange message, and a medieval prompt as: No init found Busybox v1.15.3(ubuntu 1.1.15 3-ubuntu5) built in shell (ash) Enter 'help' for a list of commands ...
2
votes
0answers
941 views

ubuntu 14.04 not booting, update-initramfs “nothing to do, exiting”

I did a mess while installing ubuntu 14.04 on my XPS 15 (9530 haswell) and I need help to rebuild boot partition. My computer has one miniSATA SSD 32 GB and a 1TB HDD. I crypted both with LUKS with ...
2
votes
1answer
943 views

initramfs fail after upgrade to 13.04, cant update system with apt-get / dpkg

The other night I received the prompt suggesting for me to upgrade from 12.10 to 13.04. I figured why not, and accepted the upgrade. I had very little interaction, just clicked the accept button, and ...
2
votes
0answers
1k views

What is the correct way to use key file LUKS authorization?

Before filing new bug reports i decided to try to get support on my situation here. Sorry for my english (it may sound frustrating) in advance, feel free to ask about additional details and thanks!! ...
2
votes
1answer
1k views

initramfs prompt “mount: can't read etc/fstab” after grub rescue

I had a bootable USB key witk ubuntustudio with two partitions: /dev/sdb1 with Ubuntu and a fat32 /dev/sdb2. Then I realized that Windows only reads partitions if they are the first. So I moved ...
2
votes
0answers
762 views

Ubuntu 12.04 won't boot

I upgraded to 12.04 a while ago and the internet dropped out halfway through so something went wrong, I would have upgraded/downgraded it but I can't boot off a CD/USB and terminal and my update ...
2
votes
0answers
2k views

10.04 drops to '(initramfs)' prompt on boot

I'm not sure what to do to solve the problem, I received this error upon boot. mount: mounting /dev/disk/by-uuid/f60e3ce2-0237-45bb-bf07-581d0090cbc7 on /root failed: Invalid argument mount: mounting ...
2
votes
0answers
852 views

Ubuntu freezes at the purple screen ,but if I force re-boot , it shows BusyBox shell with initramfs. Happens 80% time [closed]

I tried both Ubuntu 11.04,11.10 & 12.04. It frequently freezes at the purple screen (the screen before the 5-dot ubuntu screen) I wait for 10-15 mins and when I force re-boot, it ends up showing ...
2
votes
2answers
2k views

How to customize the initrd embedded in or coming with the kernel image

I would like to add some tools and not just kernel modules into the initrd (initramfs-based). Now I'm aware of how to unpack and how to pack the initrd with cpio and have even written a hook for ...
1
vote
1answer
3k views

update-initramfs is stuck

Today I wanted to install virtualbox (4.2) in Ubuntu 12.10 and went to the Software Center. After clicking on the 'Install' button in the USC virtualbox was being downloaded and installed. I waited ...
1
vote
1answer
5k views

Set up eth0 network interface using DHCP in initramfs

I created my own initramfs script (based on live-initramfs) and I need set up network connection (using DHCP) to get remote file. So what do I need to add to initramfs hook file (ifconfig, ...
1
vote
2answers
1k views

Switch to a targeted initrd after setup?

During the Ubuntu Server setup, I was given a choice to install a 'targeted' initrd with only the modules my computer needs. I chose the other option, 'generic'. How can I install a 'targeted' initrd ...
1
vote
2answers
85 views

ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell

I am using Ubuntu 14.04. On 23 August 2014 I ran in terminal sudo apt-get update. Then I rebooted the system. And now I see: ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell ...
1
vote
1answer
321 views

13.04: update-initramfs works but mkinitramfs fails from APT

I'm experiencing a strange thing, I've freshly upgraded from 12.10 to 13.04, Everything is fine except that it can't build the initrd image automatically, it fails and prints out the mkinitramfs's ...
1
vote
2answers
3k views

/dev/mapper/vg00-root does not exist

Since I upgrade from 11.10 to 12.04 server. I obtain the following error at boot. /dev/mapper/vg00-root does not exist I must use the recovery mode to manually do "vgchange -ay" to active my VG00. ...
1
vote
1answer
283 views

Updating when running off USB stick makes it unbootable?

I guess one should not run the software update when running off of a pendrive. Each time I have, not only does the update crash, but the usb drive becomes unbootable? Should the ablitiy to run a ...
1
vote
1answer
102 views

Gave Up Waiting For Root Device - Fresh Install 14.04

I am getting the error: Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - Check rootdelay= (did the system wait long enough?) - Check root= (did the system ...
1
vote
0answers
136 views

BusyBox: dropping to build-in shell: initramfs problem with encrypted hard drive

I tried to do an upgrade from 13.10 to 14.04 on my laptop. When I came back a bit later, the machine had crashed. I restarted it and it had got in a pickle halfway through the upgrade process. I did ...
1
vote
0answers
415 views

mdadm warning (system unbootable) from update-initramfs, mkconf's suggested fix seems inconsistent with mdadm's description of problem

Summary: update-initramfs says system unbootable, message points to mkconf which suggests rewrite to mdadm.conf that would appear to break the RAID, system up (for now) but next reboot may kill it, ...
1
vote
2answers
606 views

When I start the Ubuntu ISO, initramfs says “unable to find a medium containing a live file system”

When I start the Ubuntu ISO(13.10) on a USB, initramfs says "unable to find a medium containing a live file system". These are my PC specs: http://pcpartpicker.com/user/PoniesFiM/saved/39dy I have ...
1
vote
0answers
146 views

Change initramfs script

I made RAID 0 by mdadm'ing partition located on dmraid VIA VT6421 and Western Digital hdd. Installed Ubuntu on that RAID. Now, when I boot, I get (initramfs) ash prompt. There, I have to write mdadm ...
1
vote
0answers
108 views

LUKS decryption step missing during boot after upgrade

I upgraded my 12.10 installation that was residing on an LUKS encrypted EXT4 root partition. I did that with the 13.10 Iso standard on a DVD. I booted into the Test System, successfully mounted the ...
1
vote
0answers
91 views

Cant install from USB or DVD — Posted solutions not resolving the issue

Hi and thanks for taking the time to view my question, I've been trying to install X/Ubuntu (12/13.04/10), all to no avail. From USB I always encounter the output: BusyBox v1.13.3 (Ubuntu ...
1
vote
0answers
1k views

Gave up waiting for root device error

I used my computer normally. But recently I opened Disks and deleted a partition (It said that Unknown file type so I think that the partition is just some drive I forgot to format so I deleted it). ...
1
vote
0answers
377 views

[Help/12.04 Alert! /dev/mapper/… does not exist! Dropping into a shell!

I'm having an issue with my 12.04 LTS install. I plugged in my phone and turned on my computer and noticed that it wasn't accepting my password to decrypt the volume since I had done the Full Disk ...
1
vote
0answers
106 views

12.04, Kernel 3.2.0-55 & cryptsetup

I am running into a problem regarding the following setup: Partitions: /dev/sde1 cryptswap /dev/sde2 cryptroot |_ /dev/vg_root/lv_root / |_ /dev/vg_root/lv_usr /usr/local |_ ...
1
vote
0answers
126 views

ubuntu can't find it's root folder anymore after renaming vg group

Last week I extended a disk on a virtual machine. Because this VM was deployed from a template (in vmware), the name of the volume group wasn't the same as the server name. I thought I could rename it ...