The current LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Only use this tag if your question is version-specific.

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Black screen after boot in recently installed 12.04

I just installed Ubuntu using Windows in my new laptop and after the bout and the purple screen (with the sound) the screen it gets black. Any ideas on how to solve this? Thanks so much in advance.
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266 views

bluetooth installed but cant detect other bluetooth devices

I have installed bluetooth driver but it is not able to pair with other devices. It cant search for other devices. OUTPUT of lspci 00:00.0 Host bridge: Intel Corporation Ivy Bridge DRAM Controller ...
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0answers
3k views

12.04 unattended-upgrades package has lock on /var/lib/dpkg/lock (cannot sudo apt-get update due to lock) [duplicate]

Calling the sudo apt-get update fails to complete. Fails with: Fetched 2,212 kB in 13s (162 kB/s) E: ...
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0answers
572 views

Udev rules boot errors

TL;DR; Udev is showing a lot of errors during boot and it is pointing to a .rules file. A little background: I recently upgraded an Ubuntu 5 server to Ubuntu 12. I performed a stepwise upgrade to ...
1
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0answers
57 views

Why the same arabic string shows differently in Windows 7 and Ubuntu Linux?

The same arabic string, in windows 7 Notepad: in ubuntu linux vi: They are the same string in a file, but the display order is opposite, why?
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2answers
657 views

iPod 4G iOs 6.1.3 Ubuntu 12.04 sync?

I already installed Ubuntu 12.04 dualboot on my brandnew Vaio Windows 8 and it doesn't boot any more to windows, so I have a vaio laptop with ubuntu, a thing I can accept but it is impossible to sync ...
2
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2answers
572 views

The system does not go down

/etc/init.d/.depend.stop My Ubuntu 12.04 The system shuts down normally not get error message can't not open / etc / init.d / .depend.stop no such file of directory See picture What can ...
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2answers
396 views

Nagstamon doesn't show in Ubuntu 12.04?

I'm trying to do the nagstamon work on Ubuntu 12.04, but after setting my credentials only, the other setting I kept default, it doesn't show anywhere. I'm sure it's running 'cause of ps aux | grep ...
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0answers
90 views

Boot speed in 12.04

I'm having some issues with the boot speed on my Ubuntu 12.04 LTS laptop. It seems like the hard disk takes forever to mount. I am running Ubuntu on a 5400RPM hard disk, however I don't think it ...
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1answer
38 views

12.04 KDE Stackexchange Stackapp / Widget

Iam on the move to find a stackexchange app for my desktop (KDE 12.04) I would like to keep track of my favorite stackexchange sites /stackexchange accounts. Sadly google did not deliver any ...
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1answer
787 views

how can i go back to 12.04 from 12.10 in a dual boot pc? [duplicate]

I upgraded from 12.04 to 12.10 and I have a lot of issues i.e. mouse doesn't respond . Is there a way to go back to previous state with the 12.04 DVD or I have to erase everything and re-install?
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3answers
849 views

Broken emacs installation

First of all, I am really sorry about behaving like an over smart. But hope you will be able to help me under the circumstance I am right now. I was having some difficulty with emacs in my Ubuntu ...
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0answers
270 views

Udev rules boot errors

TL;DR; Udev is showing a lot of errors during boot and it is pointing to a .rules file. A little background: I recently upgraded an Ubuntu 5 server to Ubuntu 12. I performed a stepwise upgrade to ...
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0answers
421 views

How to run Oracle 10g forms in Firefox?

I am using Ubuntu 12.04. I want to run Oracle 10g forms in Firefox with Java Runtime Environment. I want complete tutorial for this. Which version of Firefox and Java Runtime Environment should I use ...
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2answers
128 views

Not able to launch Ubuntu after upgrade with 12.04 in VirtualBox

I am using VirtualBox 4.1.2 & installed Ubuntu 10.04. I saved so much data in it. Recently I started upgrading it to 12.04. During the middle of installing 12.04 packages, I shutdown my ...
1
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2answers
139 views

system dont get updates

I am using Ubuntu 12.04 and I don't get any updates. For more than two weeks, whenever I try to check for updates manually it doesn't show any updates in the update manager. Then I tried via terminal ...
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2answers
1k views

Convert Ubuntu 13.04 to mac theme error

I'm following this tutorial and also this youtube tutorial. On executing this command: sudo apt-get install mac-os-lion-theme mac-os-lion-cursors mac-os-lion-icons I'm getting this error: Reading ...
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0answers
113 views

Is there a way to speed up the processing speed, using Ubuntu 12.04 (32 bit) LTSP FAT client?

I am currently using Ubuntu 12.04 (32 bit) with LTSP FAT Client. Before this set-up, I was using Thin Client and the processing speed was average. However, after changing it into FAT Client, the ...
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1answer
293 views

Water Cooler fan control with Ubuntu 12.04

Phenom X4 965 3.4ghz 4gb RAM ATI Radeon HD 6870 1gb Water Cooler Corsair After fresh install of Ubuntu 12.04, my water coller was ever enable and run so fast. I can't disable or control it. I ...
2
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3answers
89 views

What Ubuntu distribution do I want?

I am a video gamer. I also want Linux, so I came to Ubuntu. Only one question remains: Do I want the "cutting-edge" Ubuntu 13.04, supported for 9 months, or the 12.04 "extended support" version, ...
1
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1answer
3k views

no sound in Ubuntu 12.04 and /dev/dsp does not exist

Computer isn't playing audio. I've checked the hardware volume buttons, pavucontrol, and alsamixer. Nothing is muted. I've added the ppa sudo add-apt-repository ppa:ubuntu-audio-dev. I've also done ...
1
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1answer
461 views

Wubi installer hangs on expanding

I downloaded wubi installer for 12.04 LTS (64-bit) after deciding to re install Ubuntu, but every time I try it freezes on expanding. i have also tried using a bootable USB but after I choose install ...
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0answers
47 views

hdd turning off and on during normal use, endlessly

3.9 kernel. custom. laptop-mode is installed. sysfsutils installed. laptop-mode starts on startup. sysfsutils have their files configured (processor p-states and frequencies/governor). after logging ...
4
votes
1answer
2k views

Lenovo T431s and and wireless don't play nicely

I just unboxed a lenovo T431s and installed ubuntu 12.04.2. Everything went smoothly, but the wireless never came up. I'm pulling a a dhcp properly with NM on my wired connection, but ifconfig ...
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1answer
641 views

How can I “move” GRUB?

I had the following setup on my hard disk +-----------------------------------------------------------------+ | Windows (100 GB) | Precise (20 GB) | Documents (~ 360 GB) | ...
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1answer
652 views

Acer Aspire One D270 screen crash at wake up

Yesterday I installed installed ubuntu 12.04 on my Acer aspire one D270-1838. Everything worked ok, except I couldn't adjust brightness, I fixed it changing: GRUB_CMDLINE_LINUX_DEFAULT="quiet ...
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0answers
44 views

Tutorial on writing compiz plugins for Ubuntu 12.04?

Does there exist a basic up to date tutorial on writing compiz plugins? Smspillaz wrote a great tutorial on the subject, but it is getting out of date as both ubuntu compiz move on to newer versions. ...
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1answer
3k views

is there download manager like IDM for automatically fetching link address of streaming video? [duplicate]

is there any download manager that can be freely integrated to chromium or firefox, so that it will fetch the remote link url of any audio, video during streaming. I have used steadyflow download ...
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0answers
37 views

12,04 Hard drive no longer bootable

My 12.04 is no longer bootable. It immediately goes to checking the disk and gets stuck at 70%. When I cancel, it give me option of skip or manual. When I choose skip: "the disk drive for /Tmp is not ...
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0answers
118 views

3d parametric equation plotting for linux

I'm looking for a 3d Parametric graphing/plotting app for Ubuntu 12.04 I was hoping to use geogebra because you have sliders that you can animate. But the version 5 is in beta and doesn't work in ...
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1answer
549 views

Error starting ICEM CFD: GLIBCXX_3.4.9 not found

when trying to start ICEMCFD (a meshing tool for flow simulations) I recieve an error message and analysing it with LIBGL_DEBUG=verbose yields: ...
0
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1answer
295 views

How to make a Queue of download list and how schedule it

1- How to make a queue of download-list in Wget ? 2- Is there any way to schedule a Queue in Wget ?
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0answers
16 views

How to create svn repository from exist in ubuntu 12.04?

I have an old repository that created by svn in ubuntu 12.04 and I have new installed svn too. I need to continue the old repository. So how can I get that?
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0answers
30 views

how do I upgrade from 12.04 to 13.04 using USB [duplicate]

I can boot from the Live CD for 13.04 off a USB stick, but the option to upgrade my system is greyed out -- is it not possible to upgrade from the Live CD desktop edition? Should I upgrade to 12.10 ...
0
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1answer
40 views

Want to repair Grub [duplicate]

I have ubuntu 12.04 and windows 8 installed on my system. The main boot manager is grub, also the ubuntu and windows are installed in separate partitions. I want to install windows 7 back in place of ...
0
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1answer
807 views

How to run MATLAB(64bit) on Ubuntu 12.04(32bit)

I've Ubuntu 12.04 (32bit) And Windows 7 (64bit). I've installed "MATLAB-R2011b" on Windows 7. How can i run that on Ubuntu without using WINE ?
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0answers
150 views

Ubuntu One Failed to Install in Ubuntu 12.04.2

Ubuntu 12.04.2 has dependencies problem when installing Ubuntu One. I can't install dependencies nor ubuntu one in Ubuntu 12.04.2. I just clicked on Ubuntu One icon on dash, it showed me that many ...
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0answers
221 views

where are devices named if not in 70-persistent-net-rules?

I have a ubuntu 12.04 server VM which has /etc/udev/rules.d/70-persistent-net.rules created as a directory instead of a file. I understand this helps maintain device naming when cloning in a cloud ...
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3answers
6k views

Ubuntu 12.04 alsamixer not found

I have a Lenovo Y500 with Windows 8. I successfully got Ubuntu 12.04 installed alongside Windows 8 and the nvidia drivers just worked from the start. The sound wasn't working at all however, and ...
4
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1answer
128 views

Is there a command to force Unity to reload menu data?

Not all the time but intermittently Unity will drop the menu from the HUD. Most often this is with GIMP but it has happened to other programs too. The menu choices are there but the content of the ...
2
votes
1answer
99 views

All open Windows fade and stay faded even when responsive

I am experiencing an issue whereby all open windows fade out as if unresponsive and yet are fully functioning. New windows and dialog boxes appear at full brightness but the existing windows do not. ...
1
vote
1answer
210 views

Slow network speeds GA511 (RTL-8169) 1Gbit adapter

I having troubles with the upload and download speed of my PC card network adapter. The upload speed is around 3.5-4 MB/s and the download is 30MB/s with the r8169 6.017.00 driver from realtek. I have ...
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0answers
748 views

Are there any ways to install Awesome 3.5.1 on Ubuntu 12.04?

I'm doing to migrate from DE to WM, and like Awesome. But at home I use Ubuntu 13.04 and can install the newest Awesome. At work I use Ubuntu 12.04 and it is older then Awesome, so how can I install ...
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0answers
136 views

Grub 1.99 uses grub.cfg instead of menu.lst

I have grub 1.99 on pc. Is this ok that it uses grub.cfg for listing operating systems? When I use sudo update-grub it updates menu.lst, but this file is not in use. How can I change it?
2
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2answers
31k views

Step by Step guide to install aircrack-ng suite on ubuntu 12.04 LTS [duplicate]

I tried soo many guides and soo many things i browsed like the whole world wide web and I could not install aircrack-ng suite. Any help would be appreciated :) Thank you all, Best regards.
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0answers
314 views

Install latest version of Unity in ubuntu 12.04 [duplicate]

Is there anyway I can install the latest Unity (used in Ubuntu 13.04) in Ubuntu 12.04? I do not want to upgrade my super stable 12.04 just to get the Unity.
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0answers
82 views

Running Hadoop on Ubuntu 12.04 LTS Server?

What will be the minimum system requirements if I wish to run it on the server version of Ubuntu 12.04 LTS. Currently I have 4GB of RAM, Core 2 Duo Processor T5550, 1.83 Ghz. The server installation ...
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1answer
66 views

Is it safe to install Virtual Box in Ubuntu?

Is it safe (for the system) to install Virtual Box in Ubuntu? Are there relevant disadvantages and advantages?
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0answers
402 views

GNOME shell does not load

I see that there have been other similar posts, but the underlying problems seem to vary. I am not competent to troubleshoot myself, could you please walk me through it: I have recently upgraded from ...
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0answers
25 views

Ubuntu 12.04 installation failed, computer jammed

I downloaded Ubuntu 12.04 and starzed intallation into my computer. I am very unexperienced with Ubuntu system... Computer is old IBM 1,4GHz Pentium M, 1,3GB memory. It had Ubuntu 10.04 and I ...