0
votes
0answers
32 views

Safe to manually remove old 12.04.2 LTS GNU/Linux 3.2.0-70-generic after upgrade to 14.04.1

After do-release-upgrade from Ubuntu 12.04.2 to 14.04.1 and reboot, - server still start up in 12.04.2 LTS. Is it safe to manually remove old 12.04.2 LTS (GNU/Linux 3.2.0-70-generic in /Boot ?. I do ...
0
votes
0answers
21 views

How to load a different version of linux kernel?

I am currently using ubuntu 14.04 with the kernel 3.13.0-37-generic, I want to try booting from another kernel 3.17.01 (latest stable release). I have downloaded and built the 3.17.01 kernel from ...
0
votes
0answers
39 views

Removed the wrong kernel

I was updating my Kernel today (or at least trying to) from (I think) 3.13 to 3.17-rc6 and while I was doing it I installed the low-latency kernels by mistake. I then removed some unwanted kernels (I ...
0
votes
0answers
59 views

Gave up waiting for root device-edited grub and even tried reinstall

After I upgraded the Ubuntu kernel from 3.8.0-29 generic to 3.16.2 i tried to reboot and got dropped to the busy box shell with an initramfs prompt exactly like this Gave up waiting for root device. ...
0
votes
1answer
19 views

kernel / initd boot settings

I have 2 seperate harddrives in my pc, one with windows 7 (working) and one with ubuntu. I am unable to boot into ubuntu for some reason :/ I installed easyBCD to correct the windows bootmenu and used ...
0
votes
0answers
9 views

Error: you need to load the kernel first [duplicate]

Please help me. I accidentally deleted my grub partition when trying to reinstall Ubuntu 14.10. I have a bootable USB and working windows 8.1 on my computer. I'm stuck in a command line version of ...
2
votes
1answer
158 views

Btrfs subvolume @home not mounted kernel upgrade 3.17

i'm having trouble upgrading my kernel to the latest 3.17 rc3 mainline kernel. I'm currently on a patched kernel 3.13 for my Acer chromebook c720p, the 3.17 kernel would give me support for touchpad ...
2
votes
2answers
921 views

How do I re-run boot loader?

Running sudo apt-get -f install said that The link /vmlinuz.old is a damaged link and: you may need to re-run your boot loader[grub] Here's the full output: user@chrubuntu:~$ sudo apt-get -f ...
0
votes
4answers
88 views

Dual boot 14.04 with Windows 7on second disk (sdb), BIOS loader

I have Windows 7 on a separate disk (sdb) as it came from the factory. To protect it I disconnected it while installing Ubuntu 14.04 on the sda disk. Then I connected the sdb drive and expected to see ...
0
votes
1answer
314 views

Ubuntu 14.04 kernel upgrades not changing default

So i have 3.13.0-34 & 3.13.0-33 & 3.13.0-24 all installed but the system constantly sticks with 3.13.0-24. update-grub does not seem to change this. grub configuration says boot entry 0. I'm ...
0
votes
0answers
140 views

after upgrade to 14.04 kernel remains 3.2.0

I upgraded from 12.04 to 14.04.1 using the update-manager. During the upgrade there was an error about emacsen-common and I do not overwrite the file menu.lst. After the upgrade lsb_release -a gives ...
0
votes
1answer
49 views

Stuck on kernel 3.8

I have a DigitalOcean VPS that is somehow stuck on kernel 3.8-generic, which is shown when I run uname -a. However, the only kernels in /boot are: My sources are such: deb ...
0
votes
1answer
195 views

How to boot load the kernel using EFI stub (efistub) loader?

I have Ubuntu 14.04 running in UEFI mode as only operating system, no dual-boot here. The kernel version is 3.13.0-24-generic. There is an EFI partition. In this case the EFI partition is not at the ...
0
votes
0answers
51 views

error: file '/vmlinuz-3.13.0-32-generic' not found

i shut my system down yesterday normally and this morning when I boot I get this error "error: file '/vmlinuz-3.13.0-32-generic' not found." I have tried the all the other advanced options and get the ...
0
votes
0answers
49 views

Need help about Proxmox and GRUB2 on Debian

I am facing with a big problem. I am freshly installed Debian 7 on server4you dedicated server, and according to this tutorial: Link I am added the repo, installed the kernel like the tutorial said ...
1
vote
1answer
42 views

My ntfs partition appear so many

My Windows 8 is missing in grub after installing a new linux distro (elemetary os), I already have Ubuntu. I booted into liveUSB and ran boot-repair and was Grub fixed, but when I boot into Ubuntu ...
0
votes
0answers
48 views

Grub doesn't boot after kernel upgrade

I upgraded my ubuntu 12.04 LTS via terminal and now grub doesn't find any kernel. I tried to look inside the /boot folder via grub terminal, but on my primary hard disk the folder seems to be empty. ...
2
votes
0answers
76 views

Unable to boot after update

After a update, Ubuntu won't boot anymore and gives: error: could not read file. If I'm fast enough to press a button to continue, I get Kernel panic - not syncing: VFS: Unable to mount root fs on ...
1
vote
2answers
28 views

Ubuntu 12.04 Cannot update kernels

Currently I cannot load the kernel 3.8.0-39-generic, or 3.8.0-38-generic. I have to go back and use 37, is there anywhere I can remove the two newer ones and re install them?
0
votes
0answers
54 views

Booting into current kernel disables networking, virtual keyboard

I have a PowerEdge 300 running Ubuntu 14.04 LTS. A couple of dist-upgrades ago, my SSH connection died partway through and I can no longer boot cleanly. If I boot in to the current kernel (3.13), I ...
0
votes
0answers
11 views

How to remove the other kernel installed in my ubuntu? [duplicate]

I have compiled and installed linux kernel on to my ubuntu 13.10. Now i want to delete these installed kernel. But in synaptic and in cmd "dpkg -l | grep linux-image" it doesn't show those compiled ...
2
votes
5answers
74 views

How to be sure , that I am running latest version of a kernel?

I've installed Xubuntu after Ubuntu, running in dualboot. So Xubuntu controls the grub. Every time I update kernel on ubuntu - will ubuntu load the latest version of a kernel? (I mean the grub is not ...
0
votes
1answer
143 views

replacing kernel on non-booting ec2 instance

So I had an amazon ec2 instance crash during the update to 14.04LTS. Frustratingly, it appears the kernel might be bad (or at least that's what the log below says to me, I could totally be wrong). I'm ...
2
votes
0answers
479 views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
0
votes
1answer
70 views

How to update kernel after ubuntu server 10 -> 12 update

I have a remote VPS which had ubuntu server 10.04 installed (for some reason the hosting company doesn't have 12.04 yet) I recently downgraded my hardware to a VPS from a dedicated machine and ...
0
votes
0answers
157 views

No grub selection after installing kernel Ubuntu 14.04

I have installed a new kernel on my system which can be found by grub but when I restart I can only select the old kernel. Things I tried in other threds with similar problems didn't help. sudo ...
1
vote
1answer
242 views

Brightness keys no longer work

My Fn+F8 and Fn+F9 keys to change the screen's brightness appear to no longer work on my Thinkpad laptop. # ls /sys/class/backlight/ thinkpad_screen Some guide told me to make this: # cat ...
0
votes
1answer
75 views

compile and install modified kernel

I have made some changes to the vmx.c file of the kernel. Now I am using make menuconfig followed by make -j 5 command to compile the modified kernel(No errors just a warning..) Now I am using ...
0
votes
0answers
52 views

Kernel panic at startup

Recently i have installed a second hdd with windows 7 on it. After that, i installed grub on my main disk (ubuntu) from a live-usb. However, soon after, when i have tried to load ubuntu (from grub ...
0
votes
0answers
75 views

Kernel panic error while installing Minimal CD

I recently created a bootable USB of Ubuntu 14.04 Minimal CD using the disk destroyer. When I boot, I have the options - Install, Advanced Install, Command Line Install & Help. Clicking on any of ...
3
votes
3answers
1k views

Kernel panic after attempting to upgrade to Ubuntu 14.04

I have the following problem: I was trying to upgrade from Ubuntu 13.10 to Ubuntu 14.04 and in the middle (after the necessary packages were downloaded and beginning to be installed), I ran out of ...
0
votes
2answers
98 views

2 linux partitions, how to force one's grub menu to win?

I have 2 Ubuntu partitions Ubuntu 14.04 that is my desktop system Kubuntu 14.04 that is my development enviroment Each time Ubuntu 14.04 updates the kernel, writes his own grub menu, and each time ...
0
votes
1answer
35 views

GRUB and Kernel

I have a simple but important question for my case: Does upgrading the Grub mean upgrading the kernel ?
0
votes
0answers
79 views

Loading a proprietary disk driver into Ubuntu Server Initramfs

I have a Revodrive 3 X2, and I am installing Ubuntu on it. I followed the guide by Alex Burgess for a complete fresh copy. I also topped this guide (which works perfectly when using the exact ubuntu ...
2
votes
4answers
219 views

How does the grub bootloader know?

I am not understanding how it comes to know which kernel image to load? I have so many. Once I had created my own kernel and recompiled. How does it come to know that this is the one to load?
0
votes
0answers
374 views

Grub-Customizer not saving the changes after kernel upgrades

I'm running into an annoying problem with Grub-Customizer (4.0.4) every time I update the kernel versions. After the kernel update I normally open Grub-Customizer to accommodate the new kernel ...
1
vote
0answers
26 views

Changing kernel in a system not booting

I have a dell inspiron laptop and have just installed 12.04. The system hangs on boot after 'Switching to clocksource TSC'. I've searched all the questions here and had no luck changing bios ...
0
votes
0answers
45 views

Instaling/updating kernel on UEFI device

I've installed kernel 3.12.6 in Ubuntu 13.10, because I had read it is necessary for nvidia optimus. After I rebooted my laptop and selected ubuntu in grub purple screen appeared. I rebooted again and ...
3
votes
1answer
1k views

Install older kernel in a server and made it the default boot option in grub

I need to install an older kernel version (3.2.0-24-generic) on an existing Ubuntu 12.04.3 (3.8.0-34-generic) LAMP server and a new install Ubuntu 12.04.4 (3.11). After the installation I will need to ...
0
votes
3answers
2k views

'update-grub' syntax error

I've read several previous questions and found no solution. Where I run the update-grub command it gives me this output: root@Agustin-Ubuntu:/home/agustin# update-grub Generating grub.cfg ... ...
0
votes
0answers
16 views

In Grub2, how can I see which driver module will be loaded?

Is there a way I can list what modules (and versions) will be loaded during next boot?
5
votes
3answers
3k views

error: attempt read-write outside of disk `hd0`

My problem This problem has been plaguing my boot for a while, it happens about half the times I start up my computer. Grub will load successfully, and wait ten seconds for me to choose which OS to ...
3
votes
1answer
95 views

how to see grub kernels in ubuntu without restarting

I want to set up my ubuntu server to boot from an older kernel since the current one causes problems. How do i see the list of entries in the grub menu so i know which one to set to GRUB_DEFAULT? ...
1
vote
0answers
41 views

Upgrade from 10.04 to 12.4 shutdown in the middle of installation, and now i cant even run it live

I have had ubuntu 10.04 until yesterday, when my dad got home with a disc that has 12.4 on it, i quickly put it into the laptop and started the install, and everything was going fine, but apparently ...
0
votes
1answer
527 views

Upgrade Kernel to 3.8.0-35-generic fails to boot. Missing initrd.img-3.8.0-29-generic

When upgrading to the new kernel 3.8.0-35-generic (12.04 LTS) it doesn't create the initrd.img file and won't boot. I get a Kernel Panic because it's missing the img I tried running sudo ...
0
votes
0answers
145 views

Grub Network Boot, root files for kernel?

I have made a folder structure for network boot using PXE and Grub with the command grub-mknetdir. I have put those files in a valid served tftp folder on Server Machine. I have put a valid kernel ...
0
votes
1answer
288 views

Need to update to latest supported kernel version in Ubuntu 12.04

Right now i am using Ubuntu 12.04 LTS with kernel as 3.8.0-35-generic , while i use this kernel i face a lot of problems i) Graphics of my LCD screen connected to my laptop via VGA cable appears to be ...
0
votes
0answers
160 views

Disable/Remove initrd image during booting

I am trying to boot Linux (Ubuntu 12.10) without an initrd image. There are various sources online, but I'm not able to find anything that is detailed. There are many pointers as to how to achieve ...
0
votes
1answer
34 views

How do I install a kernel driver so that it is not loaded at all times?

I would like to install a kernel driver that is under development and I'm afraid that it could affect the stability of my system. So I would like this driver to only be loaded at certain times (when I ...
0
votes
0answers
68 views

New kernel installed, but not in /boot

I recently had some troubles booting my Ubuntu server so I decided to boot an older kernel, remove the new kernel and reinstall it. All of that went according to plan. According to this command the ...