Fourth 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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327 views

Cannot send files through bluetooth from mobile phone to laptop

I have ubuntu 12.04 LTS installed on my laptop. Ubuntu detects bluetooth, and I can also send a file from Ubuntu laptop to my mobile phone (Nokia xpressMusic). But, I am unable to send files from ...
3
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442 views

How to package shared library in deb packages

My application uses some shared libraries, which i need to package with the binary, and as per Debian Policy Rules It is recommended that supporting files and run-time support programs that do not ...
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1k views

Tor Browser Bundle's version of Firefox [Tor Browser] is recognized as the main Firefox installation [Ubuntu 12.04]

Whenever I run the start-tor-browser script to run Tor-Browser-Bundle, the Unity3D launcher stacks it with the Firefox shortcut I have on there as if it's another window of Firefox, unlike before when ...
3
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0answers
122 views

Hardware 3D acceleration suddenly stopped working

I turned on my laptop the other day and noticed that Gnome was not using fancy graphics mode. As far as I know there is no reason my drivers should have stopped working, as I haven't made any upgrades ...
3
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0answers
839 views

Set master mode on a realtek rtl8192ce

The supported interfaces of the network adapter include also AP. But when I try to set the card on Master Mode with iwconfig wlan0 mode Master, I get the following error: Error for wireless ...
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0answers
2k views

make windows float behind xfce panel

I would like to make it so windows maximize behind the xfce panel. basically so that all windows DO NOT treat the xfce panel as a dock. I noticed that if I move the XFCE panel away from the ...
3
votes
0answers
427 views

How to get 12.04's login screen (lightdm) to display the shutdown menu like 10.04 when the computer's physical power button is pressed?

In Ubuntu 10.04 while at the login screen (gdm), when the computer's physical power button was pressed a screen popped up that offered options on shutting down the system (shutdown, restart, cancel, ...
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0answers
131 views

How to manage colours of monitor?

When I was on Windows 7 there was a program: Intel HD Graphics control panel. My notebook: Acer Aspire 5750G Integrated videocard: Intel HD graphics discrete video card: Nvidia 630m How can ...
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537 views

How to create dm-crypt device in LXC?

On one LXC container I need to put sensitive data, preferrably stored in dm-crypt encrypted filesystem. When I write sudo cryptsetup luksFormat --cipher aes-xts-plain --size 512 ...
3
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0answers
85 views

applications linked to workspaces

I have just upgraded to Ubuntu 12.04 and I found a weird behaviour in the multi-workspace management. Let's say that I have a couple of terminals opened in one workspace, and that I want to do ...
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0answers
2k views

Video driver Radeon x1200

I got the issue when I play flash games or videos it's too slow. I reinstalled Ubuntu and it worked smooth for like 5 hours then I rebooted and it was slow again. When I type sudo lshw -C display ...
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80 views

Music lens does not play music through default music player

I have set Rhythmbox as my default music player through System Settings > Details, but when I browse and play music from the Unity dash, Banshee opens up and plays the music. How can I have Rhythmbox ...
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358 views

mystery of missing file modifications (hybrid drive + Ubuntu 12.04)

Last week (Sep 10) I worked a whole day (on my Ubuntu 12.04 HP elitebook 8530p laptop) using a tex editor (TexWorks) and Jabref to maintain a Bibtex library. Today however I noticed all my ...
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0answers
2k views

How can I configure a Canon Pixma MG5300 to print wirelessly?

How can I configure a printer to print wirelessly in ubuntu 12.04 ? I have a canon pixma mg 5300 series, and I am able to print correctly by usb (the drivers were installed). Now I'm trying to do it ...
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0answers
2k views

Unity launchers and bar disappeared and unity --reset shows an error

I am having a problem with unity. I have launched Movie player with QNapi (application for downloading movie subtitles) and somehow Unity crashed and disappeared leaving just the opened windows ...
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0answers
277 views

Segmentation fault when trying to run psychonauts. NOT SOLVED by forcing S3TC-support or getting the needed libraries

So i'm having problems running psychonauts as i've noticed many others have as well. I installed it through software center and made sure i had the right libs needed to run mesa ...
3
votes
0answers
947 views

Dell Vostro 1510 can't connect using wired connection

I recently dual-booted my system with Windows 7 and 12.04. I can't access Internet through wired connection, in spite of LAN cable in the socket. It says network cable unplugged, but I can access ...
3
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0answers
2k views

12.04 internal error ( Sorry Ubuntu 12.04 has experienced an internal error )

I am running 12.04 LTS. I have been since its release. But all of a sudden my machine now take 5/6 minutes to boot up. I do not have sound anymore, where pulse audio was listed now reads dummy output. ...
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0answers
1k views

Tracing IR to Hauppage remote on Mythbuntu 12.04

I have installed Mythbuntu 12.04 on an AMD dual core. Basic TV play and record functions are working, but I am having some troubles with the remote. The card is a Hauppauge WinTV-HVR 1250. I have ...
3
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0answers
399 views

How can I make my ubuntu 12.04 act like an external usb hard drive?

Quick breakdown, I have a Roku 2 XS that has a USB port that you can connect a flash drive or external hard drive to. I also have a box running Ubuntu that is the household media storage center. I ...
3
votes
0answers
1k views

Wireless driver only works after plugging the cable in with a BCM4313

I upgraded to Ubuntu 12.04 this week. I've had a couple of problems with my wireless card. After following some posts here on askubuntu I got it to work on a peculiar way: When I start my laptop ...
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329 views

Sony NWZ-E363 doesn't go in MTP-Mode

i want my mp3-Player to work as MTP. Therefore I added a .config containing options usb-storage quirks=054c:059b:i file to /etc/modprobe.d. To prevent the device from beeing auto-mounted. ...
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978 views

ubuntu 12.04 stopped showing every usb devices

Ubuntu was running perfectly, suddenly my internal HDD partitions (except file system) and partitions of external HDD disappeared. I was able to mount the partitions of internal HDD via disk utility, ...
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456 views

DNS servers not correctly set in VPN

I have to use an OpenVPN network to work from home, and I occasionally have problems getting DNS to resolve. The problem comes and goes, and I can't reproduce it reliably. I took the OpenVPN config ...
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0answers
742 views

Enabling middle-click and gestures on multitouch clickpad? (Ubuntu 12.04; Samsung NP900X3A-A03US)

Out of the box (with the xorg.conf from the Ubuntu wiki), left-click, right-click, and two-finger scroll all work flawlessly. However, middle-click doesn't work at all (despite appearing to be ...
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939 views

Webcam stopped working but appears in lsusb, works fine in windows

This has been bugging me for some time now... Laptop: Thinkpad T420 Ubuntu 12.04 Precise When I installed Precise, I could use my webcam without any issue (Cheese, Skype...) However, all of a sudden ...
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0answers
4k views

How do I install an Edimax EW-7811Un wireless adapter?

I recently installed Ubuntu 12.04 to my old computer (a Dell) after XP began to run very slow, and am now trying to install a Edimax EW-7811Un 150 Mbps Wireless 11n Nano Size USB Adapter to connect to ...
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578 views

Unity + Gnome 3 broke on update — NVidia card — OpenGL working

Think the title is fairly clear (system specs below) I cannot get Unity (2d works) nor Gnome 3 to load properly since an update run last Friday thus far I've tried installing propietary drivers ...
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votes
0answers
662 views

Is it possible to change a laptop's screen-dimming capabilities?

My laptop is able to dim it's screen automatically until it is turned off by Ubuntu to save power, currently my dim screen button doesn't let me turn off my screen completely, my questions are: Is ...
3
votes
0answers
860 views

How do I install and use the Bluetile window manager in 12.04?

I've been working on getting bluetile working on 12.04 so I can start down the path of tiling windows managers, but I have been having limited success. I have read the (only 7!) other posts on ...
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0answers
4k views

Ubuntu 12.04 OpenCL with Intel and Radeon?

I want to setup my Ubuntu 12.04 with OpenCL(Open Computing Language) support for i7 2600k and Radeon HD5870. My Monitor is connected to the integrated Graphics of the i7. Intel OpenCL SDK is ...
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671 views

Wifi will not connect with an Intel Wifi Link 1000

I have an HP dv7t-6100CTO laptop. I have linux ubuntu 12.04 lts dual booted. The specs of my laptop are: - i7-2620m dual core (2.7 ghz) processor - intel wifi link 1000 bgn wireless card I am having ...
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0answers
520 views

Ubuntu 12.04. Show windows issue. Blank window appears

I've got a problem with an action "show windows" which shows all windows when I reach a right down edge of my screen (similar to Expose at MAC). Since I installed Ubuntu 12.04 this function has ...
3
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0answers
252 views

With Nvidia proprietrary drivers cannot choose monitor launcher appears on

It's awesome that unity now let you choose in which monitor you want the unity launcher to apear. However, once I've install the nvidia privative drivers I can't chose anymore. I force what normally ...
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0answers
495 views

Saving/Applying Gnome Settings not working

I am unable to change any settings on my Gnome setup, such as favorites in Unity, adding extensions in Gnome Shell, etc.. It appears that the computer just ignores any settings. In Gnome Shell, I ...
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0answers
397 views

Vertical scroll doesn't work in some applications on a Dell inspiron 14R

I just installed ubuntu 12.04 and installed all the necessary updates and Gnome Shell. I have ticked "enable horizontal scrolling" and "edge scrolling" in touchpad settings. The scrolling works well ...
3
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0answers
1k views

Ubuntu 12.04 Freezes after removing the HDMI cable or changing settings

I'm using an fresh install of Ubuntu 12.04 and I'm having some problems with HDMI. I usually use it with my TV, but since the update isn't working any more. Sometimes in 11.10 I had to execute a ...
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0answers
5 views

Stateless Autoconfiguration in Ubuntu Server

How to config stateless IPV6 in ubuntu server as a router? there are 1 router (ubuntu) , and 2 clients (windows 7 and windows 8), how to communicate each other?
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0answers
23 views

Ubuntu 12.04 graphical interface is gone

I was trying to set up my build environment for beagleboneblack.I was following standard instructions from this site https://source.android.com/source/initializing.html I was installing ...
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0answers
12 views

How can I transfer music files from Rythymbox to my mp3 player (gpx)

How can I sync my music on Rhythmbox to transfer to my mp3 player? gpx to be specific..
2
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0answers
50 views

preseed file and installation script

I am using a preseed file to auto install ubuntu 12.04. I create a normal user account (able to use sudo), I skip the creation of a root account. At the end of the file I have put this (seen it from ...
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0answers
32 views

Ubuntu 12.04 live USB just wiped my main install's /home for no apparent reason

As the title says, I've been trying to reinstall Ubuntu (it died and boot repair won't work), and while I'm checking things on my (very out of date, but it can't be helped as my internet's too slow to ...
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0answers
16 views

Not getting connection with iball airway nettsetter in Ubuntu 12.04?

I have installed iBall Netsetter as per the installation notes provided with. And it is listed under Mobile broadband. But while connecting it a message will displays " MODEM Network ...
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0answers
45 views

How to have two headphones (one usb, one not) play sound at the same time?

I've tried installing pulseaudio but it doesn't let me do two headphones at once. Thanks.
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0answers
33 views

I am not able to install ubuntu using usb?

I downloaded ubuntu 12.04.5 LTS iso file from torrent( size 700+ MB)and copied it in the usb. Then I made my usb drive bootable by running command line instructions (since my GUI is not working) from ...
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0answers
82 views

How to link brightness button to correct brightness script

I recently upgrade my Ubuntu from 12.04 to 14.04. My laptop has always had incomtibility issues between the brightness button and the actual brightness set up. In 12.04 I had fixed the problem by ...
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0answers
128 views

HP 240 G3 Laptop touchpad problem

We are facing problem with hp 240 G3 laptop. Touchpad is not working properly. Needs to touch more surface on touchpad for work. on Ubuntu 12.04 Desktop or 14.04 both laptops.
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169 views

Ubuntu 12.04 - Integrated Webcam not found with lsusb but it shows up in usb-devices?

This is an Alienware Area-51 m15x laptop, pre-2009 so not a Dell product. The integrated webcam worked under Ubuntu 10.x and I actually had it working briefly and could see my face in guvcview after ...
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0answers
32 views

using ibus-table for latex

I have ibus in my ubuntu 12.04 and I installed ibus-talble for latex. I don't know how to make use of the package. The latex input method is not shown in ibus preferences under input methods... Please ...
2
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0answers
187 views

Why does libapache2-mod-php5 get removed whenever I upgrade apache2?

I hope someone can help me figure out what is going on with my apache upgrades. For years, whenever I upgrade apache2, it tries to install apache2-mpm-itk even though I use the prefork module ...