Questions tagged [boot]
Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.
24,577
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Switch from encrypted partition to unencrypted (Error: cryptsetup: evms_activate is not available)
I initially installed Ubuntu 11.04 with an encrypted file system (from the alternate install CD: Guided Partitioning, LVM encrypted). Now I wanted to change this setup to have my root file system on ...
- 320
4
votes
1
answer
4k
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No longer able to boot stuck in busybox shell
I've installed win 7 and ubuntu 11.04. After a storm killed the power. I'm unable to boot.
I'm stuck in the busybox shell (ash).
Here's what happens when I boot:
Bios loads
Grub displays option to ...
- 10.9k
7
votes
3
answers
3k
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LiveCD not booting/can't install
So, I got a new laptop some days ago, and as usual I formatted it to install Ubuntu. I downloaded 11.04 and burned it on my pendrive using my old laptop (running 11.04).
When I tried to boot from the ...
- 681
1
vote
3
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574
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My laptop doesn't always boot to login
I have an recurring problem. Every once in a while, no pattern, the laptop freezes during boot. Sometimes at a black screen, sometimes a black screen with a not blinking cursor...
The solution is to ...
- 1,946
5
votes
1
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819
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livecd won't boot 11.04
I bought a brand new computer yesterday (Toshiba Satellite Pro L770-10T : Intel Core i5 2410M, 2,3 GHz, 4096 Mo RAM, nVidia GeForce GT 525M) that simply won't boot any livecd I tried.
I am using ...
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3
votes
1
answer
3k
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How do I prevent KDM from starting at boot?
I would like to stop kdm from starting when my computer boots up. Is there a way to do that? kdm is my only graphical login program, I do not use gdm or xdm.
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1
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838
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How can I regenerate the System V symbolic links?
I accidentally deleted all of the symlinks in /etc/rc1.d/. How can I regenerate them?
- 77.2k
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Boots to a black screen when a Microsoft Wirless Mobile Mouse 3500 is plugged in [closed]
If I boot Ubuntu 11.04 and I have a Microsoft Wirless Mobile Mouse 3500 plugged in, nothing happens after I reach the grub screen and select Ubuntu for booting (I get the grub screen at boot since I'm ...
- 21
2
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0
answers
572
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What's wrong with my bootchart? [closed]
Currently my Ubuntu takes quite a bit to boot ~1min. Windows is about the same, even faster I think.
I installed bootchart and ran it but not sure what to make of the results. Can someone take a ...
- 373
7
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2
answers
2k
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Is e4rat safe to use and will it really increase boot speed?
e4rat is said to increase the boot speed on ext4 filesystems. However, it requires the ureadahead component of Ubuntu to be disabled.
Will it really make my computer start faster and is it safe to try?...
- 1,570
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443
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USB stick not avaliable after rebooting from Live session
Ive noticed a really annoying behaviour in Ubuntu: whenever I restart or shutdown the PC from a Live session, the USB stick becomes unavaliable when it reboots/turns on (as if the "safe removal" ...
- 20.2k
15
votes
13
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84k
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How do I fix "can't open /dev/sr0: No medium found" on USB boot?
I tried to install Ubuntu 11.04 on my laptop using thumb drive, but it failed, even though I used the standard Startup Disk Creator utility.
The laptop is a a Dell Studio 1536.
The problem shows as:
...
- 327
6
votes
1
answer
1k
views
How to preload programs?
What I want to do is open some programs in the boot sequence so Ubuntu loads them into memory. I'm already using the preload package and it's not helping in that part. Thanks.
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How to create a bootable USB stick to flash a BIOS
I want to upgrade the BIOS on an Intel motherboard using a program called iflash2.exe, provided by Intel, which runs only on MS-DOS.
I do not have Windows operating system, and I am trying to create ...
- 1,383
41
votes
5
answers
105k
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How to edit ISO Images (Including Bootable ISOs)
I am looking for tools for Ubuntu that can be used to EDIT ISO Images. Including ISO images that are bootable like Ubuntu and Windows ISOs. Not only edit but save the edited ISO and can still boot ...
- 213k
101
votes
16
answers
226k
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How to create a bootable USB with multiple ISO images in it
What I want is to create a bootable pen drive that shows GRUB menu and I can select any of the several bootable systems from there to install/run. I have several ISO images that I want to install in ...
- 213k
3
votes
2
answers
540
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Why does 11.04 boot so slow on my system?
I downloaded Ubuntu 11.04 and it was working fine until I started tweaking compiz and rebooted. It took 3 to 4 minutes to boot up. When I press enter at the boot menu, there is a black screen with ...
- 31
3
votes
3
answers
7k
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New Dell Vostro 3550 will not boot into Live CD
I've been trying to install Ubuntu and/or it's derivatives on my new Dell Vostro 3550 but I'm finding it impossible to boot into the live CD environment. Here are the things I've already tried:
...
- 155
4
votes
1
answer
660
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Boot time over 20 minutes on a virtual server
I have a virtual server hosted by professionals with Ubuntu 10.04 installed. It is a standard server installation with LAMP package and no custom modifications.
After recent updates via aptitude boot ...
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2
votes
1
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623
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Where can I find information or description of the boot up process?
I am looking for links to detailed information on how the ubuntu boot process is managed after grub is finished.
I have googled by all the documentation referes to individual packages. (upstart, ...
- 10.1k
3
votes
1
answer
4k
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stdin: error 0 - what does it mean?
In the course of my adventures in Ubuntu, I've encountered the mysterious black screen with the single line
stdin: error 0
at boot many times. But what does it mean? Is it Kernel level? Is it ...
- 60.9k
2
votes
1
answer
6k
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Installing on VirtualBox from a Bootable CD
I have an Ubuntu Bootable Installation CD.
How to install from the CD to a VirtualBox on Windows after creating a virtual machine as described here.
The link mentions about downloading Ubuntu disk ...
- 2,394
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answer
870
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Error messages shown while booting Ubuntu 11.04
I see the following messages on booting. My system works fine. I have disabled the plymouth theme and I am using text boot only
udevd[343]: SYSFS{}= will be removed
in a future udev version, ...
- 3,190
3
votes
1
answer
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"Disk driver for / is not ready yet or not present" error after upgrade
I tried to upgrade my Ubuntu 10.10 to 11.04. After total upgrade, when I reboot my laptop I got following error :
Init: udevtrigger main process (531) terminated with status 1
Init: udevtrigger Post-...
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2
votes
1
answer
4k
views
How do I set the refresh rate used by KMS on the FOSS ati driver?
With KMS enabled on Xubuntu 11.04, my virtual terminals are running at 60hz, the default for my monitor, while my X desktop is running at 75, the refresh rate I specified in my xorg.conf. How do I set ...
- 33
3
votes
3
answers
2k
views
Upgrade from 10.10 to 11.04 broke Ubuntu
I upgraded from 10.10 to 11.04 (kernel 2.6.38-9) and now Ubuntu won't fully boot. I get this message:
Gave up waiting for root device. Common problems:
- Boot args (cat /proc/cmdline)
- Check ...
- 715
3
votes
1
answer
246
views
Mounting Error at Boot
So recently I've been having a strange issue where Ubuntu kicks back an error stating there was an "Error mounting "0" " and to press S to skip.
This is what my fstab looks like. Can anyone tell me ...
- 716
2
votes
1
answer
585
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Accessing home directory of encryted ubuntu. Its on a USB stick and refuses to boot
I have a ubuntu system that refuses to boot. I cant seem to fix it.
The system is on a USB stick and I need to access the home directory
on it, but it is encrypted.
- 311
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votes
1
answer
427
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Is it possible to change the color of "vt.handoff" screen at boot?
Just curious, is there a configfile to change the purple bootscreen that appears between grub and plymouth? I know how to change plymouth's background color, but it does not affect the screen for vt....
- 1,401
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230
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Boot partition changes every time it's mounted. How to stop this? [closed]
I'm setting up a Linux system with full disk encryption. I've written a script (to run on every boot) which will verify that neither the MBR or /boot partition (ext4) has been modified.
Problem is ...
- 11
5
votes
2
answers
8k
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Blank screen with blinking cursor after install
I find that sometimes when I install Ubuntu 11, I get a blank screen with a blinking cursor... what's wrong?
Following this answer
Press shift during boot
e to edit entry (quiet splash to text)
F10 ...
- 10.4k
2
votes
2
answers
2k
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Pink Screen on GRUB Boot [closed]
When I boot Ubuntu 11.04, GRUB shows me a nice, blank pink screen, until most of the OS is loaded, after which I can see some output text.
I can't fix it unless I switch to console mode instead of ...
- 4,207
2
votes
2
answers
8k
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Busybox error on boot [closed]
I've Windows XP and Ubuntu 10.10 dual boot was working fine then suddenly while booting in GRUB if I select Ubuntu it shows me stupid Busybox error same as this and Windows XP is working fine
The ...
- 1,417
4
votes
2
answers
2k
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Frustrated with Ubuntu and SoftwareRaid 5
I'm a complete newbie to Ubuntu, but so far, I've had no luck installing a software RAID5 with Ubuntu. I've already installed Ubuntu Server 11.04 about 3 times. I followed the software raid ...
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4
answers
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Very slow boot due to mounting filesytem
I just installed Ubuntu 11.04 over an older version of Ubuntu, and am dual-booting with Windows 7. Most things seem to be working well (i.e. wifi, sound, etc.) but boot time is problematically long. ...
- 111
1
vote
1
answer
754
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Don't wait for user input on errors while booting
I'm running 11.04 server, headless, and at a certain point it didn't boot anymore: it just stopped. It seems like I made a mistake with some of the disks, the fstab or the raid config, anycase one of ...
- 8,625
1
vote
1
answer
116
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Since upgrade to Natty, no longer automatically booting from drive at startup
As the subject suggests, I now have to enter the boot menu in BIOS in order to be able to boot Ubuntu. This has happened since I upgraded to Natty. Is there a way to automatically boot from the ...
- 11
4
votes
1
answer
508
views
Bootchart zombie process udevadm
Every time I look at the logs from bootchart, I notice a process called udevadm that is mostly coloured as if it is a zombie process. It is accompanied by modprobe, wait-for-root and udevd. They ...
- 2,325
1
vote
1
answer
3k
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How do I fix a slow boot on a RAID setup?
I've just finished setting up a RAID 1 on my system. Everything seems to be okay, but I have a very slow boot time. It takes about three minutes between the time I select Ubuntu from GRUB and the time ...
- 13.5k
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votes
2
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3k
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How do I transfer an installation from internal to external USB HDD
I started to use Ubuntu 10.04 on a Laptop booting from an external USB HDD, it worked pretty well after some tweaking (Had to use a separate 1GB Boot partition etc).
After a while running mostly on ...
- 117
1
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2
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405
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Grub loader problem
I recently updated my Wubi install form 10.10 to 11.04.
This had problems, so I finally took the plunge and gave Ubuntu its own partition.
It all seemed to go very well (I even got a purple bootscreen ...
2
votes
2
answers
350
views
Will replacing GRUB with BURG increase my system's boot time?
I guess BURG will require more time to start, because it displays some eye-candy graphics. If I replaced GRUB with BURG, would the time required to boot into Ubuntu be significantly longer?
- 20.5k
2
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1
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3k
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Accidentally deleted "linux-image-generic" - how do I recover?
Well I tell you that my problem started when upgrading to Ubuntu 11.04. As it happened to me when I updated Ubuntu 10.04 to 10.10, every time I installed something, I got an error when reading "...
- 21
1
vote
1
answer
613
views
How to allow Upstart task to block system boot?
I'm writing an Upstart task which runs at runlevel 1.
This is for an ecrypted system, and the task's job is to verify the integrity of the MBR & /boot. As such, it is important that this task ...
- 11
7
votes
3
answers
2k
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). ...
- 33k
6
votes
3
answers
18k
views
How to disable mounting of external drive at boot? [duplicate]
Okay so I'm not exactly sure how it happened, but recently Ubuntu has been trying to mount an external hard drive that I usually have plugged in during boot. A message comes up during boot asking me ...
- 716
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votes
4
answers
713
views
System doesn't boot unless I hit enter
I'm trying to remove a ~40 seconds pause that happens when my Ubuntu machine starts.
During this pause, all I see is a magenta rectangle (approx 80% of screen size) over a black background.
The gap ...
- 1,349
1
vote
1
answer
748
views
Logging out/back in sometimes freezes after login to blank wallpaper
Hi I am running 11.04 on a Dell Inspiron 530
Below I have pasted what hardware I have and some dmesg pasted info
Here is the problem:
When I log out many times I cannot seem to log back in again. ...
- 1,903
3
votes
3
answers
801
views
Getting only a flashing cursor on boot after a forced shutdown, how do I repair the system?
A program started misbehaving, and quickly ate up all 4GB of my RAM and 2GB of my swap. This meant the system came to a crawl. So I forced a shutdown.
Now, when I reboot, where I would normally get ...
- 365