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.

learn more… | top users | synonyms (9)

0
votes
0answers
24 views

Partial Upgrade from 12.04 version problem

The Ubuntu 12.04 suggested to partial upgrade, after it is done, it asked to restart to finish the upgrade, after restarting I found the following problems: - Network Disabled - Mouse not responding - ...
0
votes
1answer
31 views

I have a 64 bit Ubuntu12.04 PC. I want to install VLC player without useing Internet? [duplicate]

I have a 64 bit Ubuntu12.04 PC. I want to install VLC player without using Internet?Please suggest as I dont have Internet available on ubuntu PC
0
votes
2answers
38 views

Sound not working on dell insipron 14 3442 having Ubuntu 12.04.5 . Using HDA Intel PCH card

Headphone is working fine but laptop sound is not working. Using card 1: PCH [HDA Intel PCH], device 0: HDA Generic [HDA Generic] on ubuntu 12.04. More Infos:- Card: HDA Intel PCH Chip Realtek ...
0
votes
0answers
9 views

Install Ubuntu 12.04 to microSDHC (class 4) card on DARwIn-OP

I'm working on a DARwIn-OP which has a "Built-in PC: 1.6 GHz Intel Atom Z530 (32 bit) on-board 4 GB flash SSD". The pc has a ubuntu 9 on it and we want it as a fallback, so the plan is to install ...
0
votes
0answers
67 views

How to install python3-pyqt5 on Ubuntu 12.04?

I was trying to install M64py (N64 emulator) in 12.04 and it showed me this. This installed well without much trouble in 14.04, but not working in 12.04. When i tried using sudo apt-get install ...
0
votes
0answers
8 views

CSALLO: heap below bss?! (in running Geant3) on Ubuntu 12.04

I installed Geant3 on my Ubuntu (12.04). I typed: make and it created gbat.exe and some output (.o) files ...and then I typed: make i and it created gint.exe and then I wrote: ./gint.exe ...
1
vote
0answers
20 views

Ubuntu 12.04 LTS constant internal server errors

my problem seems to be too overarching for me to be able to be very specific, but basically, today after installing some updates through the update manager, Ubuntu suddenly became very slow and ...
0
votes
1answer
43 views

Ubuntu 12.04.3 - Expanding/Resizing LVM partition upon additional Disk in a Hardware RAID 5

We have a database server configured as hardware RAID 5 with 3pcs 1TB Disk. Usable is 2TB and partition as follows: /data is LVM Filesystem Size Used Avail Use% Mounted on /dev/sda1 ...
1
vote
0answers
8 views

How to keep the window manage in the central screen

so this is a question of multiple displays. I am using three displays along my laptop in Ubuntu 12.04. When I press alt-tab the window manage appears on the screen that I am working, that is, if I am ...
1
vote
0answers
26 views

nc command: conflict between different Ubuntu machines

I am using Ubuntu 14.04. Then I have an Ubuntu 12.04 machine running on virtualbox. On the virtual box machine I listened on port 12345 using the command nc -l 12345 And on the host machine, I ...
0
votes
0answers
29 views

ubuntu 12.04 LTS not detecting my 2nd display

Hi I just assembled my pc and got 2 graphic cards into it, I installed ubuntu 15.04 and both screens work , however the pc randomly freezes for a few seconds, so I installed 12.04 and doesnt freeze ...
2
votes
1answer
35 views

How to get rid of templates folder

I have a simple problem: Whenever I delete the templates folder in my home directory (/home/[username]/ in case that info is of use) it seems to come back. It contains nothing and I have no use for ...
0
votes
0answers
34 views

How can I resize a virtualbox guest os (ubuntu)?

I run windows 8 and virtualbox with ubuntu 12 as guest os. Now it is 96 % full and I want to increase the size of the disk space available to ubuntu. There is no obvious way to do this in virtualbox. ...
-1
votes
0answers
24 views

Ubuntu not getting logged in after upgrading to 14.04 from 12.04

I installed Ubuntu 12.04 using Wubi installer from windows, even before that i have Ubuntu 10.10 installed in my system(not through Wubi installer - corrupted not able to login). After updating ...
0
votes
1answer
34 views

Is Intel accessing my machine without permission through mei_mei module?

According to this post, there's a module called mei_me which allows Intel to update my machine remotely. Does this mean that, whenever I'm online, they have the ability to access my machine without my ...
4
votes
1answer
59 views

Problem with serial port

I am unable to access the serial port on my PC with Ubuntu 12.04. The command: dmesg | grep ttyS Outputs: [ 0.590705] 00:08: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A I ...
1
vote
1answer
26 views

how to restore ubuntu 12.04 or reinstall accidentally removed packages?

I just accidentally removed libnl-3-200, and all the relative packages have been removed, now there is now internet in my ubuntu laptop. Is there anyway to reinstall it and all the relevant packages ...
0
votes
0answers
19 views

Ubuntu windows content are not refreshing

I recently upgraded the video card on my computer (from Intel HD Graphics to some ATI Radeon card) ton my Ubuntu 12.04. However, there appears that some windows that I open in GNOME Session Fallback ...
0
votes
0answers
25 views

Boot problem: Can't find IRQ for PCI INT A

I have Win7 an +Ubuntu12.04 on my computer. It cannot boot I get the error: pci 0000:00:14.0: can't find IRQ for PCI INT A: probably buggy MP table Even after reinstalling ubuntu I get the same ...
1
vote
1answer
16 views

Ubuntu 12.04 server no internet connection

I lost power briefly today, when my headless ubuntu server rebooted I could no longer SSH into it. I assumed the drive had failed or something. I took out the drive, put it into a USB SATA enclosure ...
2
votes
1answer
70 views

Switching to another TTY after running startx and returning breaks Xorg

I've always been curious about an idiosyncrasy of Xorg that seems to happen on every machine I've tried it on; whenever I start a new X instance on a TTY using startx manually (that is, without the ...
1
vote
0answers
22 views

32 bit 14.04 and 12.04 [duplicate]

I run 14.04 on my main PC and 12.04 on my old PC ( built 2003 ). My old PC runs OK on 12.04. If I load 14.04 it runs so slow it cannot be used. The main PC is OK using 14.04. Specs are: Main PC: ...
1
vote
1answer
44 views

how to send data from phone to ubuntu 12.04 through bluetooth?

I have a samsung galaxy grand prime phone. I am able to send data from laptop to phone using bluetooth without any problem, but cant do the same from phone to laptop. Thanks in advance!
0
votes
1answer
33 views

4G dongle (for wireless internet) not detecting unless i restart ubuntu 12.04

I have a Airtel 4G LTE dongle. if i connect it to my laptop while laptop is on dongle is not getting detected. It only gets detected if i restart laptop. thank you in advance!
0
votes
0answers
20 views

How to use Sublime Text 2 to edit file in /var/ directory [duplicate]

Recently I've switched over to Ubuntu 12.04 because I really like the GUI and the way it operates apposed to Windows 8. I just set up a Apache server on here so that I am able to continue my hobby of ...
0
votes
1answer
78 views

Why I get “Cowardly refusing to create an empty archive” with TAR command?

I'm trying to follow this tutorial to full backup my linux / Ubuntu 12.04 after a fresh restore. my code in fullserver.sh : tar -cvpf /backups/fullbackup.tar --directory=/ --exclude=proc ...
0
votes
1answer
33 views

Upgrade to Ubuntu 14.04 in ASUS X200CA [duplicate]

I have an noteboook ASUS X200CA with Ubuntu 12.04 factory preinstalled. I would like to update the operating system but I'm afraid it is not working properly, consume more resources than my computer ...
4
votes
1answer
164 views

Bluetooth does not detect devices on lenovo with 12.04

I am new to Ubuntu and I am not good at this, but I did a clean install on my Lenovo Z5070 with Ubuntu 12.04 and 3.13 kernel all by myself. My bluetooth can not detect devices, I have tried blueman ...
-1
votes
0answers
36 views

SOLVED- HP Wireless keyboard and mouse not working with ubuntu 12.04

I own a HP wireless keyboard mouse which use the same USB dongle to connect to the PC. The keyboard works in BIOS and GRUB but when I reach the login screen, they stop working. It worked earlier after ...
0
votes
0answers
17 views

Unable to locate package libcmocka-dev and libcmocka0 [duplicate]

I am trying to install cmocka C unit testing framework. Operating system is Ubuntu 12.04 LTS sudo apt-get install libcmocka-dev libcmocka0 Reading package lists... Done Building dependency tree ...
0
votes
0answers
19 views

Compiling with threads.h fatal error

I am compiling a C program that has #include <threads.h> // pthread.h in POSIX in its header. When compiling it gives the following error: fatal error: threads.h: No such file or directory ...
0
votes
0answers
15 views

Softwares Installation Problem [duplicate]

I am a window user and i am new to ubuntu. Whenever i download a software like vlc for my ubuntu ,i search for installer like exe files in ubuntu.but unfortunately as i'm new to this os ,so i'm ...
1
vote
0answers
14 views

Ubuntu 12.04 : Adding widgets to the login panel

not sure where to start here, it's an area of config I'm not familiar with. Just wondering, is it possible to write some custom widgets for the panel that appears on the login screen? I've found ...
0
votes
0answers
31 views

cannot boot into login screen after uninstalling some kernel update packages

In Ubuntu 12.04, I tried to upgrade the kernel as required by a software XXX that I was installing. So as per XXX installation instructions, I installed these packages using apt-get: ...
0
votes
0answers
28 views

Laptop cursor flicker when docked and connected with 2nd display

new to Ubuntu here. I made my Dell Precision M4700 Dual bootable between windows 7 and Ubuntu 14.04.2 LTS. Ubuntu is installed on a separate hard drive. So far everything works wonderfully, except ...
0
votes
1answer
317 views

Microsoft Launches Visual Studio for Linux [duplicate]

Today, I read here that Microsoft Launches Visual Studio now support Linux. ...
1
vote
1answer
66 views

Is that possible to reinstall apache 2 without losing websites content?

Is that possible to reinstall Apache 2 on Ubuntu 12.04 without losing Vhosts ? as the websites contents are inside. Regardes
0
votes
0answers
25 views

How to access Canon CR-50 check scanner connected to Ubuntu 12.04 using CLI?

I am developing a project which needs to access Canon CR-50 check scanner using PHP. How can I make it work? I am currently working on Linux (Ubuntu 12.04) machine, any solution will help me a lot. I ...
9
votes
10answers
3k views

Maximum time for which a Linux PC can be UP? [closed]

Actually I had a linux system ( running Ubuntu 12.04.3 ) for days without reboot. I ran in to some errors like sleep getting hang and some network mounted file system not getting mount even able to ...
0
votes
0answers
22 views

rosserial on ARM processor

Hi I have a project where I use rosserial with an arduino, I have code that publishes messages from one arduino, connected to a pc, and another arduino that subscribes, connected to an Odroid XU3. I ...
0
votes
0answers
35 views

Created a Bootable Cd and It is now Read Only and cant format it

Hello i have created a bootable cd from a DVD + RW Maxell 4.7Gb and it wont let me delete, modify, blank, or burn over it and create a different ubuntu bootable cd and i am trying to do all of this ...
0
votes
0answers
20 views

ubuntu 12.04, on Dell E6530, specify dock microphone as default

I'm running ubuntu 12.04 on a Dell Latitude E6520. When I use, say, skype with the internal microphone, everybody complains that I'm at the other end of a long tunnel. The dock microphone ...
0
votes
2answers
31 views

PHP.ini change not reflected

I am trying to install Zabbix and the following errors appeared during pre-installation I proceeded to change the setting in PHP.ini file to the minimum requirements The problem is that though ...
0
votes
1answer
36 views

When I installed Ubuntu my windows 8.1 does not load? [duplicate]

I installed Ubuntu 14.04 on my laptop with win 8.1,but now when I start the power only Ubuntu is come in DOS and the win 8.1 does not load. how I fix it?
0
votes
0answers
15 views

ARToolKit-Recognize multiple markers

i'm having a problem with ARToolKit for the recognition of multiple markers. For train pc on my new markers i have to launch :MK_PATT But when i insert the camera parameter filename ,i have this ...
0
votes
0answers
14 views

Incorrect screen detection on 12.04?

All of a sudden I get a black stripe on the right edge of the screen, and mouse pointer can't move there. Also, the desktop does down beyond the screen a bit. I'm running 12.04 on Lenovo ThinkPad ...
1
vote
0answers
21 views

WiFi and Lan Network is not working - Ubuntu 12.04

I have a problem with my network connection. I have been using the same laptop with Ubuntu for more than a year, and suddenly yesterday all the connections stopped working (both wireless and wired). ...
0
votes
0answers
24 views

Workstation Setup on an Active Directory

Excuse my ignorance in matters of System administration. I am a developer trying to integrate development workstations with an Active Directory based network. We have hundreds of Machines running ...
0
votes
1answer
86 views

zfs broken after upgrading package spl

Just now I did an apt-get upgrade, which upgraded package spl to 0.6.4.1. After rebooting, my zfs-formatted disk failed to mount. How should I regain zfs functionality? All zfs commands are now ...
2
votes
1answer
16 views

Multiple problems when upgrading from 12.04 to 14.04

I initially experienced problems in attempting to upgrade from 14.04 to 14.10, and gave up attempting this. As a result of these failures, I had to return to factory settings, namely 12.04. Now, ...