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.

learn more… | top users | synonyms (8)

8
votes
0answers
3k views

/usr/share/apport/apport-gpu-error-intel.py Error

I was on Ubuntu 12.10 and ran the system updates and after the re-install, the system became unstable and kept prompting me with the message "System Issue" and this as the error per Ubuntu ...
6
votes
0answers
227 views

Wrong window gets focus when switching workspace

I enjoy using VLC to play video while I do other work. The VLC window is set to by 'Always on top' and 'Always on visible workspace'. In former versions of Ubuntu this has worked great. When I ...
5
votes
0answers
2k views

Ubuntu 12.04.2 on a Lenovo T431s

I'm cross-posting this from the Ubuntu forums as it seems like there's some interest here in this new ultrabook. I'm extremely happy with Ubuntu on it. Ubuntu 12.04.2 on the new Lenovo Thinkpad ...
4
votes
0answers
572 views

Getting MTP-enabled Moto G to work with Ubuntu 12.04

I'm not allowed to comment, so I can't ask why my MotoG phone won't connect with my Ubuntu 12.04 64bit desktop. I've installed Phillip Langdale's ppa & packages for gvfs MTP backend. It didn't ...
4
votes
0answers
87 views

Getting an error while mounting machine_config

I am trying to boot my system but, it is giving me an error as "An error occurred while mounting home/jack/jack-app/machine_config " Press S skip to mounting or M for manual recovery ...
4
votes
0answers
4k views

Wireless with Intel Centrino Advanced-N 6235

I installed Ubuntu 12.10 on a Samsung Series 5 530U3C-A0J and while Ethernet works, I am having trouble with wireless LAN. It manages to establish a connection to my router without any problems, but ...
4
votes
0answers
281 views

Custom paper size = Processing - Not Connected?

I am trying to print a custom paper size of 105.00 inches x 23.39 inches (the GLDT for my office :D). Whenever I try a custom paper size, the job sits in the queue with the message Processing - Not ...
4
votes
0answers
1k views

Tata Docomo Photon 3g not working on 12.04 LTS

I recently upgraded from Tata Photon+ to Tata Docomo Photon 3G, however Ubuntu is not recognizing the device itself. I tried manually adding the device in Mobile Broadband section, using different ...
4
votes
0answers
504 views

How Do I Customize the “cryptroot” Script?

I have a system where all the partitions (/, /home, and swap) are encrypted except for /boot. /boot resides in an external device which also contains a set of encrypted key files used to automatically ...
4
votes
0answers
1k views

Grub fails to install - core.img 'unusually large'

When trying to resurrect my (t)rusty 'ol router who's system disk (CF card) had failed (probably because I neglected to tune Ubuntu properly for this type of media), I wanted to use the opportunity to ...
3
votes
0answers
88 views

Broadcom card-reader BCM57765/BCM57785 doesn't work on ubuntu `12.04 LTS

I'm having a hard time with this one. I have an ACER ASPIRE ONE 756 and installed Ubuntu 12.04 LTS on it. Everything works (with a little tweaking here and there), but unfortunately the build-in ...
3
votes
0answers
103 views

Is having Lubuntu 12.04 a security risk?

I have a computer with Lubuntu 12.04 installed. Since unlike Ubuntu 12.04 Lubuntu is not LTS, I will not get Lubuntu updates. However, I am still getting updates (I guess these are the general Ubuntu ...
3
votes
0answers
26 views

Is it safe to remove a process folder from /var/run/?

Is it safe to remove a process folder from /var/run/ if I think it has got wrong permissions, will it be recreated by process as before? Do I lose any information by deleting /var/run/<process ...
3
votes
0answers
34 views

How to enable cpuset on Ubuntu 12.04?

I have set up CPU sets with cset in Ubuntu 12.04, but they are not respected. Processes just use all the CPU they can, no matter what set they are assigned to. It seems that cpuset is not enabled. ...
3
votes
0answers
180 views

Ubuntu SSH X11 Forwarded Client Very Slow

Running SSH X forwarded session from my Ubuntu 12LTS client to a SLES server results in very slow(seconds per mouse click) GUI app(on the server) performance. Using a windows client from the same LAN ...
3
votes
0answers
222 views

Can't get the right colors in gnome terminal

I want to use a base16 colorscheme from here. The steps I followed: cloned the repo ran the scripts changed the terminal profile to base16-default (which did change the colors) This is the result ...
3
votes
0answers
166 views

Fn key combination *suddenly* stopped working for brightness only

I've looked at most of the questions relating to enabling hardware brightness control under Ubuntu with the Acer Aspire S3 laptop; initially these fixes worked, under the initially installed kernel ...
3
votes
0answers
41 views

İnterfaces exceeds the height of the screen

I use a notebook with small screen, 1024:600 resolution with Ubuntu 12.04 LTS. When I try to save or open a document, the interface is exceeding the height of the screen leaving the buttons out of ...
3
votes
0answers
310 views

Have to run dropbox with `~/.dropbox-dist/dropboxd`, why not just dropbox?

I've had nemo file manager with the dropbox extension but after the problem of nemo 2.0 that couldn't render the desktop properly, I removed both of them, and installed nautilus. Now, I am trying to ...
3
votes
0answers
156 views

How do I control the vmem when forking, as I'm getting different results on 10.04 lts and 12.04 lts?

Expected behavior (Ubuntu 10.04 LTS): mike@boontoo10:~$ java -version java version "1.6.0_45" Java(TM) SE Runtime Environment (build 1.6.0_45-b06) Java HotSpot(TM) 64-Bit Server VM (build 20.45-b01, ...
3
votes
0answers
401 views

Periodic clicking sound from PC speaker, revisited

I've read several posts around the web about this issue of random clicking sounds coming through people's speakers in Ubuntu. The most helpful reply for my circumstances seems to be Periodic clicking ...
3
votes
0answers
122 views

LibreOffice Base in Ubuntu 12.04 LTS: Screenshot showing too small database number field

If I ask LibreOffice base to show me the result of a query, the resulting screen will show the total number of datasets and the number of the currently selected dataset on the bottom left. However, ...
3
votes
0answers
509 views

No sound after update on Ubuntu 12.04

As the title says, my sound has gone missing after an update with update-manager. I have found the solution before, but then had to reinstall Ubuntu. It can't even detect my audio card. Here is a ...
3
votes
0answers
839 views

Ubuntu 12.04 Unity: Black screen with cursor only, when external display is connected before booting laptop

Whenever I connect an external display to the DSub port of my laptop before booting into Ubuntu, something goes wrong in Unity to cause the exact same problem as described here: After logging in, ...
3
votes
0answers
243 views

Wireless Problems After Resume

[Edit 3: Before you read all of this, I don't think this is a software issue anymore, so I'm not sure if there's a real solution that can be offered. I saw this video and read some of the comments. It ...
3
votes
0answers
190 views

Switched to Compiz for OpenGL on Xubuntu 12.04, now laptop screen doesn't turn on after a suspend

I recently added the CompizConfig settings manager to resolve screen tearing while watching full screen video (it worked! no more tearing!) but now every time I close the laptop screen and the system ...
3
votes
0answers
465 views

Mouse not moving, but still clicks!

I'm using Ubuntu 12.04 LTS. Last night when I started my computer, I saw a strange screen telling me this: The system is running in low-graphics mode Your screen, graphics cards, and input device ...
3
votes
0answers
4k views

12.04 Failed to load module “nvidia” (module does not exist, 0)

I have ASUS UL50Vt with nvidia optimus hybrid graphics (GeForce 210M). I recently installed ubuntu 12.04, and in Details app it was showing me, that I am on Intel video driver. So, I installed ...
3
votes
0answers
3k views

play audio through bluetooth speakers in 12.04 using CLI

I have gone through the whole gamut of trials with setting up playing audio through bluetooth and have not been able to make it work reliably (i.e., got it to work one time, and has not worked after ...
3
votes
0answers
377 views

wifi usb dongle detected but no wlan interface

I'm using ubuntu 12.04. When I insert my philips PTA01 usb wifi dongle, in dmesg i can see: [ 1181.535290] usb 2-3: new high-speed USB device number 4 using ehci_hcd [ 1181.684074] usb 2-3: New USB ...
3
votes
0answers
164 views

Configure ibus to generate “à” using Compose + a + `

I would like to have ibus work like to corresponding system in OS X. In order to get an "à" in a text field I want to make these steps: I press the Compose key I press the a key (an "a" appear in ...
3
votes
0answers
363 views

Save and restore window positions

Here is my configuration: Ubuntu 12.04 (with Unity) Laptop External screen to use the laptop in dual screen mode Several windows spread on both screens and on 4 workspaces When I have meetings I ...
3
votes
0answers
220 views

lvm disappeared after disc replacement on raid10

here my problem: I am running ubuntu 12.04 on a raid10 (4 disks), on top of which I installed an lvm with two volume groups (one for /, one for /home). The layout of the disks are as follows: Disk ...
3
votes
0answers
114 views

How can I prevent my laptop auto suspend (due to critically low battery) from looping?

I have an Acer Aspire 5750G on Ubuntu 12.04LTS and I've got a problem: Battery critically low > suspend > wake up instantly (I don't touch ANYTHING) > suspend > wake up.... power outage > dead. I've ...
3
votes
0answers
81 views

How to stop reordering of the same kind multiple preview windows in task switching?

When using task switching in the default graphical mode of Ubuntu 12.04, if they are multiple windows of the same kind, eg. multiple Terminal windows, you can see them all together and select which ...
3
votes
0answers
160 views

What is the fundamental GUI library for Ubuntu starting with 12.04?

I have started exploring deeply into doing development for the Ubuntu phone. In the past, and having used stock Ubuntu, I always found that GTK was the standard GUI library. But now, with the phone ...
3
votes
0answers
347 views

“power off and on” specifc usb port in Ubuntu 12.04

I am trying to power off and power on usb port in Ubuntu 12.04 without success. I tried the steps listed below: echo "0" > "/sys/bus/usb/devices/$port/power/autosuspend" echo "auto" > ...
3
votes
0answers
210 views

Touchapd undetected fresh 12.04 install on Dell Vostro 1710

Decided to install 12.04LTS on my vostro 1710, but the touchpad is not recognized at all. I found some similar bug reports but the solutions given did not help me out. Here is my xinput list: ...
3
votes
0answers
168 views

ubuntu 12.10 lock-screen unlockable with old ldap password

I have an ldap server that serves Ubuntu clients and there is a problem when unlocking the screen after a user has changed their password. Initial login works as expected: the user can log in with ...
3
votes
0answers
227 views

msmtp not working?

I was trying to send mail from bash, but it doesn't work and I can't find the reason... So my .msmtprc file is account default host smtp.gmail.com port 587 from account@gmail.com tls on tls_starttls ...
3
votes
0answers
672 views

Error while recording a RTSP stream with avconv

I need to losslessly record a RTSP stream of an Axis 211a camera using avconv on Ubuntu 12.04. I am using this command : avconv -rtsp_transport tcp -f rtsp -i rtsp://<IP>/mpeg4/media.amp ...
3
votes
0answers
366 views

Lenovo X1 - HDMI Output

I'm facing problems with HDMI output to my TV (Ölevia HD-TV). When I connect HDMI cable computer / tv I can see the detect each other, and on display configuration I can see the other display, but for ...
3
votes
0answers
209 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 ...
3
votes
0answers
323 views

Screen tearing on videos (not flash videos)

I mean video files on my hard drive. I get noticeable screen tearing on VLC, Totem, gnome mplayer and Mplayer. I have tried fglrx drivers and now the experimental AMD drivers. I have a Radeon HD6950 ...
3
votes
0answers
167 views

Encrypted home directory not auto mounting with .profile

I have Ubuntu 12.04 server edition with home directory encryption enabled. Logging in locally automatically decrypts and mounts my home directory and loads my zshrc. But logging in via ssh just drops ...
3
votes
0answers
154 views

Mail attachment in eml sent from Thunderbird not opening in MS Outlook

I am using Ubuntu 12.04 with Thunderbird Mail client 13.0.1 , but when I am sending some mail attachment in .eml format, its not opening in MS Outlook in Windows? Though through Ubuntu 11.04 it is ...
3
votes
0answers
911 views

How to add Print Screen Functionality?

I just started with ubuntu minimal and LAMP stack.. Cinnamon is the GUI Now what i want is the print-screen functionality, so that when i hit the PrintScreen the screenshot must take place being ...
3
votes
0answers
499 views

Display problem when adjusting brightness in ubuntu 12.04

Recently I installed Ubuntu 12.04 on my Dell 1554 laptop. I was adjusting my screen brightness when this happened : this has become a recurring problem which is really annoying. I also want to ...
3
votes
0answers
900 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
361 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, ...