Questions about the bootup process in Ubuntu. Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.

learn more… | top users | synonyms (2)

0
votes
1answer
545 views

Unable to boot 12.10 AMD64 Live USB on GT5436E

This is my hardware http://support.gateway.com/s/PC/R/1009521/1009521sp3.shtml I have refurbished the system with more RAM (3GB total now) and a new CPU(Core2Duo E2700 2x2.53Ghz) When I try and ...
0
votes
2answers
844 views

ubuntu 11.04 hangs at purple screen

I used to use Ubuntu with no issues. Since today, it just hangs at the purple screen forever. Also I couldn't try recovery mode as my keyboard doesn't work when I am shown the recovery options menu. ...
0
votes
2answers
952 views

Not booting from USB Drive

I downloaded 12.04 of ubuntu, and y copied the 718 mb file to my usb Kingston Drive (which is 2gb total) and i tried booting it from setup and it can't! I click booting from USB kingston and it boots ...
0
votes
2answers
1k views

Can't boot from USB after installing Ubuntu

I bought a Samsung series 5 notebook and a very strange thing happened: I installed Ubuntu 11.10 from a usb pen drive but when I restarted (I cleared the existing partitions) I stopped being able to ...
0
votes
1answer
659 views

Have installed Ubuntu but when I restart computer, it only goes to 'grub'…Ubuntu doesn't load?

I have installed Ubuntu (without Windows) and done a restart. Ubuntu doesn't load...all I get is grub> and don't know how to get beyond it. Can you help
0
votes
2answers
5k views

Acer emachines e725 black screen

When i try to run system (Ubuntu 11.10) from pendrive on my laptop (Acer Emachines e725) system starts but i don't see anything (Graphic - Intel Corporation Mobile 4 Series Chipset Integrated Graphics ...
0
votes
2answers
2k views

Purple screen on boot

I've downloaded Ubuntu 11.10 and tried to dualboot it with Windows 7, installation proccess went forward without problems, GRUB2 recognized my win 7 boot loader and everything looked fine! I wanted to ...
0
votes
3answers
2k views

Auto-mounts ntfs drives in Read-Only Mode

I installed pysdm through this article to auto-mount my ntfs partitions. My drive structure looks like this: jatin@jatin-ubuntu:/media$ df -h Filesystem Size Used Avail Use% Mounted on ...
0
votes
1answer
827 views

Which daemons can be stopped from loading at boot time?

Below is list obtained from chkconfig utility. I want to know that which of these daemons can be stopped safely without losing any additional features ? acpi-support 0:off 1:off 2:on ...
-1
votes
1answer
1k views

I had Ubuntu 14.04 and tried to update to 14.10 and I get a black screen with blinking cursor

I went to update my Ubuntu version from 14.04 to 14.10 . I got a black screen with a blinking cursor at the top left corner, while updating my computer turned off, every time i boot Ubuntu i get the ...
-1
votes
1answer
431 views

What to do on Ubuntu GRUB screen? [closed]

Installed Ubuntu 12.04 LTS and now boot from HDD. Now come that purple page "GNU GRUB VERSION 1.99-21ubuntu3.9" and the options are: Ubuntu, with linux 3.5.0-23-generic Ubuntu, with linux ...
20
votes
4answers
13k views

Boot time is super fast, how come?

The boot time in Ubuntu is really fast. 7-10 seconds. Comparing it to my mac (which is about 30-40 seconds). How come Ubuntu is so much faster? I'm thinking that it uses a different kernel ...
10
votes
3answers
43k views

Booting Ubuntu with “acpi=off” grub parameter

In order for me to boot into 12.04, I have to add the parameter acpi=off in grub. Any other options as specified here do not allow me to boot into Ubuntu. My question is simple, what does setting ...
9
votes
1answer
1k views

Accidently deleted my /etc/default folder

I Accidently deleted my /etc/default folder. Now my computer wont boot. Its running Ubuntu 14.04 LTS. Upon boot it says, Filesystem check or mount failed. A maintenance shell will now be ...
7
votes
3answers
47k views

Fix Windows MBR using Ubuntu Live CD and ms-sys tool

I'm trying to fix the MBR using Ubuntu live CD. I already have the ms-sys installed but from the threads that I saw, I'm not completely sure in which /dev I should execute the command: sudo ms-sys ...
7
votes
1answer
2k views

Log boot messages on tty1 instead of tty7

I'd like to see my boot messages in a different VT than 7. Can it be changed? Can I get the old behaviour - to get a login prompt AFTER all boot-up is complete in TTY1? Regards, aurocha
7
votes
3answers
1k views

Boot failure randomly. Can someone help?

I often get stuck at the boot on battery. I can suspend and hibernate without any trouble (even on battery). If I plug the energy cable everything goes right most of the time (edited June 13). ...
6
votes
1answer
231 views

15.10: 'startx $(which unity)' fails when booting to console

I followed this answer and ran the following commands on my 15.10 with Unity Desktop to boot to text mode: sudo systemctl enable multi-user.target --force sudo systemctl set-default multi-user.target ...
6
votes
1answer
3k views

CIFS VFS: Error messages

I'm running two Ubuntu systems, (12.04 on 64-bit AMD desktop system and 14.04 on a 64-bit Intel laptop), and have configured two CIFS drives to be mounted at system start-up following the instructions ...
6
votes
1answer
2k views

How to repair/restore after 'sudo chmod / 777'? [duplicate]

Possible Duplicate: What if I accidently run command chmod I changed file permissions recursively on the root directory '/' with sudo chmod / 777 -R and after that i run "save mode" and i ...
6
votes
3answers
4k views

mount error during boot up

I get the following error during boot up. But this error doesn't get written to boot.log, as it happens in early boot stages. mount: mounts none on /dev/pts failed: Device or resource busy I found ...
5
votes
1answer
2k views

Ubuntu won't boot after upgrade from 15.04 to 15.10

After upgrading my ubuntu server 15.04 to 15.10, it won't boot anymore. After starting the machine, it enters the BIOS. Selecting the linux drive to boot in UEFI mode just returns me back to the BIOS ...
5
votes
2answers
995 views

Minimum space requirement for /boot partition

One question arise in my mind during the installation of ubuntu that what are the minimum space requirement for the /boot partition ? Because only the kernel, GRUB and initrd file are present in this ...
5
votes
1answer
7k views

Ubuntu 12.10 Boots to purple screen

I know this question has been tackled in a couple different threads but I've tried what I could from those and have not resolved the issue. I have just a basic understanding of this system so feel ...
5
votes
1answer
1k views

Fedora login gone after Ubuntu updates on a dual boot [duplicate]

Possible Duplicate: Ubuntu does not put Fedora into GRUB menu After a software update for Ubuntu, my dual boot with Fedora will not show Fedora in the start menu. It just boots into Ubuntu ...
5
votes
1answer
2k views

Moved to SSD and now getting “the disk drive for / is not ready yet”

I moved my Ubuntu 12.04 install over to an SSD drive. Copied all directories except for the ones most often written to - var, tmp, ... Reinstalled grub into SSD by booting with live CD and following ...
5
votes
1answer
628 views

How to boot from a debootstrap based install?

I would like to boot a testing Ubuntu release from a directory (which contains a debootstrap based install). As far as I understand I just need someway to tell the boot process (initrd scripts?) that ...
5
votes
3answers
636 views

Poor boot-screen after interrupted install

My install was interrupted because of a power cut. I recovered from it, using the command sudo apt-get dist-upgrade Now, I get a violet bootscreen like normal, but the progress bar is shown as 4 ...
4
votes
1answer
344 views

Random freezing problem with Ubuntu 14.04.3 LTS, Lenovo laptop T420

I have dual boot system on my laptop (Windows 7 and Ubuntu 14.04 LTS). I do not face any freezing problem with Windows 7, it runs smoothly. Whereas sometime in random interval I face freezing ...
4
votes
4answers
18k views

Ubuntu 15.04 doesn't start with nvidia driver

Hello I upgraded from Ubuntu 14.10 to 15.04 and when I use the proprietary Nvidia driver Ubuntu doesn't boot. It shows "Starting 219" on my secondary screen and on my primary screen it shows something ...
4
votes
2answers
2k views

Is it safe to remove old vmlinuz.* files from /boot

In /boot there are a lot of vmlinuz.* files going back 4 years. Is it safe to remove some of these? Edit: Most seem to have congig-3.* and System.map.* files to go with them. I would probably want to ...
4
votes
1answer
982 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 ...
4
votes
4answers
4k views

tpm_tis Operation Timed out when booting 14.04 LTS

Since upgrading from 13.10 to 14.04 (with do-release-upgrade) my computer (Sony vgn-sz1vp) hangs for 4 minutes when booting. [ 1.015598] tpm_tis 00:06: 1.2 TPM (device-id 0xB, rev-id 16) [ ...
4
votes
3answers
4k views

I get `failsafe-x main process terminated with status 1` while login, how to fix it?

I am running Ubuntu 12.04 LTS. I accidentally terminated the terminal during a sudo apt-get upgrade or sudo apt-get update. At least that seems to be the most logical explanation of my issue, as my ...
4
votes
1answer
324 views

Ubuntu boots to black screen until battery is removed and reinserted

I have a Toshiba laptop that was running Windows 8. I installed Ubuntu 12.10 and deleted Windows 8 in the install. Ubuntu worked fine until I shut the PC down. When I tried to start it again it ...
4
votes
1answer
378 views

The /boot partition in my server is full, how can I re-size it without re-installing the whole system?

I'm having some troubles because the partition in which /boot is allocated in my server is full, so I can install neither new linux images nor upgrades. Here is the server's file system usage ...
4
votes
4answers
472 views

Can't boot into ubuntu after remove window7

My friend have a computer pre-installing window 7,but later he installed other systems including window 8,and linux. All worked fine with the grub2 for a few weeks. Yesterday,when he removed window ...
4
votes
3answers
2k views

Is there a “.d” directory to use to load modules at boot time, opposed to /etc/modules?

I am automating some configurations on my systems using Puppet (however, that is not really relevant here). For a group of machines I want to load a kernel module at boot time. The most elegant way ...
4
votes
1answer
2k views

Upgraded from 10.04 to 12.04 and grub drops to BusyBox prompt without error

I updated a working server from 10.04 to 12.04.1 today. Everything upgraded without error. However, there is an odd issue with grub and the new kernel (3.2.0-30-generic). After grub boots, the system ...
4
votes
0answers
299 views

How to boot into the command line? [duplicate]

Possible Duplicate: How to autologin in text mode How can you boot directly into the command line with Kubuntu? I've tried searching on Google but all I can find is related to Ubuntu.
4
votes
2answers
2k views

Installing Ubuntu 10.04 to external HDD overwrites the MBR of the internal HDD

I have a Asus A42F laptop which has Windows 7 32 bit installed on it's internal HDD. I have just installed Ubuntu 10.04 on a portable HDD using the laptop. Now my laptop does not boot Windows 7 if ...
4
votes
2answers
2k views

Strange screen after boot loader?

After the boot loader completes the screen goes to the following image ! My VGA : xfx geforce 9600 gso 1.5g What should I do ? I reinstalled 11.10 , 11.04 and 12.04 but I have my problem yet ! ...
4
votes
0answers
2k views

Ubuntu Randomly Stopped Booting [closed]

I'm using Ubuntu since 2007 on A Dell Vostro 1510 and Ubuntu always did the job. I recently installed 11.10, its been working for the past two weeks with Gnome Shell. It worked some one hour ago ...
4
votes
1answer
590 views

Can no longer boot into Windows 7

I have a laptop on which I had Windows 7 installed on. Later I installed Ubuntu 11.10 on a new partition (sda7). Somehow it magically moved to sda6 and the grub loader freaked out. Then I booted ...
4
votes
1answer
476 views

Dual Boot 10.10 and 11.04 can't boot into 10.10 after an update

I've been dual booting my system with Ubuntu 10.10 (Maverick Meerkat) and 11.04 (Natty Narwhal) but today after an update, I can't boot into 10.10, there's only option to boot into 11.04 and Grub also ...
4
votes
1answer
958 views

Live CD doesn't boot, drops to BusyBox shell

I am a Windows user and I'm keen to shift to Linux, so I made live CD of Ubuntu 10.10 (Maverick). This is my very first time to use Ubuntu. I put CD in the drive and set the BIOS to boot it, and the ...
4
votes
1answer
1k views

freeBSD bootable CD/USB from Ubuntu

How to create bootable CD or USB (preferably) from Ubuntu? I tried FreeBSD-8.1-RELEASE-i386-memstick.img from freeBSD.org with ubuntu service: Startup Disk Creator - but it fails saying: ...
4
votes
3answers
1k views

laptop cannot boot without external drive after installing GRUB there

I installed Ubuntu 10.10 on an external drive, Grub too. Now I cannot boot my laptop without that external device. Could there be a way to choose between Windows 7 bootloader and grub at the same ...
4
votes
1answer
4k views

Minimal BASH-like line editing boot error

I've tried a few links already and many of them have me do numerous commands and every command seems to return "unknown command" This is freaking me out since I need to get files off of here and I ...
4
votes
1answer
2k views

Kernel Panic when upgrading to 10.10

Yesterday I downloaded the 10.10 update using the update manager. The download went normally, but I encountered numerous errors while the new packages were installing, which caused my upgrade to fail. ...