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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3 views

Codigo QR irreconocible

Un gusto saludarlos..... Hace un tiempo compre una hp 15 notebook, con ubuntu 12.04 y me aparece un codigo QR a cada momento, lo he escaneado con un lector desde mi celular pues fue una respuesta que ...
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1answer
5k views

where is the Tomcat 7 home / lib directory?

When reading manuals / tutorials on setting up JDBC with Tomcat I frequently come across references to the "Tomcat's HOME\lib" directory. E.g.: Add the driver to your classpath, to your project, or ...
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3answers
4k views

What does this red icon on my panel mean?

This red icon.... It showed up after I upgraded to Ubuntu 12.04LTS; I can't figure out how to ditch it. It seems to be a notification thing. I am at a loss. The icon is here: I clicked it and ...
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4answers
6k views

Post installing comodo issues

I have installed comodo antivirus for my Ubuntu 12.04, even if I'm a newbie I managed to enter finalize the installation, you know when you have to type sudo /opt/COMODO/post_setup.sh, went through ...
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1answer
189 views

Zotero does not find pdftext and pdfinfo

I am using the Firefox extension Zotero on 12.04. Zotero complains about missing PDF tools, though: To use this feature, you must first install the PDF tools in the Search pane of the Zotero ...
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1answer
5k views

Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E

I had Ubuntu 11.10 and in the last few weeks I experienced an obscure problem: after I had the computer running for a few days I could no longer connect to google.com or anything related to google. ...
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0answers
9 views

iam unable to browse internet through tata photon while local area connection is established on 12.04

TATA photon is installed properly and it's working fine after disconnecting the local area connection
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3answers
10k views

How do I install the ray-tracing application POV-Ray on 12.04?

I'm surprised (and disappointed) to see that the classic ray-tracing program povray has been dropped from the repositories on 12.04. What is the best way to install it? It doesn't appear that anyone ...
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2answers
5k views

CUPS “client-error-not-possible”

I have a network printer and my machine recently stopped being able to print, other machines can print fine. Besides having to use root to change its settings, when I try to change its settings I get ...
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0answers
60 views

Installing Google 2 step Authentication causes SSH to not connect

I am following the instructions here https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-two-factor-authentication After making the changes listed to /etc/pam.d/sshd and ...
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2answers
54 views
+100

udev rules to allow only one vendor and model USB drive but no others

So, we're working to set up an environment here where we have a secure storage setup on our Linux laptops, such that our Linux laptops can only connect a specific USB drive: a Kingston DataTraveler ...
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0answers
474 views

can't manage to get the ath9k driver working on laptop (wifi adapter atheros AR9285, ubuntu 12.04)

im trying to get aircrack working i get this when using the airmon-ng start wlan0 command. root@ubuntu:/home/bryan# airmon-ng start wlan0 Found 5 processes that could cause trouble. If airodump-ng, ...
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2answers
343 views

Can't mount an ISO

Can't mount an ISO and the one time it did, it showed up empty. iso is write-protected, mounting read-only mount: wrong fs type, bad option, bad superblock on /dev/loop1, missing codepage or ...
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1answer
16 views

How do I select which files are shown in Rhythmbox?

I have Ubuntu 12.04, and it came with Rhythmbox. Now I want to put some music on my computer, so I opened Rhythmbox, and it's displaying a long list of files from various places on my computer. I'm ...
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5answers
62k views

How do I move (copy) my entire Ubuntu system to a different hard disk?

The HDD I have my Ubuntu installed is about to fail. I would rather not lose 3 years worth of data, customisation and apps. I am looking for a way to move the complete system (SWAP included, because ...
2
votes
1answer
4k views

adding pls to rhythmbox

I try to add .pls radio station to rhythmbox. I download the file and I click music>import file but nothing happen. I added one station before and it works fine but now it simply does not work. Also ...
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2answers
20 views

Windows 7 - VirtualBox - OpenVPN - Ubuntu 12.04

I have Windows 7 64bit Professional. On this I have installed a VirtualBox with Ubuntu Server 12.04. OpenVPN is installed on both. I need to allow internet on Ubuntu and I also need to connect to a ...
3
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1answer
525 views

apt link is not working in opera browser

Opera web browser is not working with apt: links. Is there any solution for this problem? I downloaded this opera 32 bit deb from their website and my distro is Ubuntu 12.04.
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2answers
43 views
+50

Unable to insall libgtk2.0-dev on ubuntu 12.04

I am using opencv 3 on ubunut 12.04 and while displaying an image the error message asks me to build the library with libgtk2.0-dev. I tried sudo apt-get install libgtk2.0-dev but I get the following ...
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1answer
10k views

Enable SNMP on Ubuntu 12.04 to communicate with Windows Server

I have the newest release of Ubuntu 12.04 and Windows Server 2008 R2. On the Windows Server I have a device management agent which keeps track of all the devices in the local area network as well as ...
2
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1answer
46 views

How to upgrade to PHP 5.5.25(The Latest Stable Released Version of PHP) on Ubuntu 12.04 LTS 64-bit OS?

I tried following commands but after running these commands I got upgraded from PHP 5.5.23 to PHP 5.5.24. I want to upgrade to PHP 5.5.25 which is a latest stable released version. sudo ...
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3answers
5k views

Not able to configure Reliance Netconnect USB dongle with Ubuntu 12.04 LTS

I've a Netconnect USB dongle which is I am not able to use with Ubuntu 12.04 LTS. I am noob lsusb Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID ...
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2answers
10k views

Why cannot Ubuntu 12.04 detect windows 7 (dual boot)

I was trying to install Ubuntu 12.04 alongside with windows 7. I only have one hard drive (1TB), and I first installed window 7 on one partition. Now there are about 500GB unlocated space on the disk, ...
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1answer
2k views

Ubuntu for Pentium 4 [duplicate]

Can I run Ubuntu 12.04 LTS smoothly with following specs Pentium 4-1.5ghz RAM-1GB Intel graphic card
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2answers
225 views

installing 64bit 12.04 LTS along with 32bit window 7

I am facing issues with installing Ubuntu 12.04 LTS (64 bits) alongside Windows 7 (32 bits). My machine is Intel i5. My current Windows partitions are: C: Drive of 50 GB D: Drive of 195 GB E: ...
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2answers
2k views

Problem with raid 1 drive /dev/sba which was part of /dev/md0 now degraded into /dev/md127

root@bew:~# uname -a Linux bew 3.5.0-23-generic #35~precise1-Ubuntu SMP Fri Jan 25 17:15:33 UTC 2013 i686 i686 i386 GNU/Linux root@bew:~# fdisk -l Disk /dev/sda: 203.9 GB, 203928109056 bytes 255 ...
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1answer
281 views

White screen with black strips Ubuntu 12.04 LTS after install NVidia drivers

I was trying to install Steam and it get me a message about that my NVidia drivers were outdated and they recommend me to install at least the NVidia 304 drivers, so I installed and rebooted my PC, ...
0
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1answer
82 views

Installation problem with Ubuntu 12.04.4

I am trying to install Ubuntu 12.04.4 on my Dell Inspiron 5520 using wubi. It makes my machine reboot, and starts installation. The problem is - as the installation comes to the step 'preaparing to ...
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0answers
93 views

Cannot access Horizon Dashboard after log out [closed]

I have installed OpenStack on Ubuntu 12.04 Server on Virtual Box following the tutorial from here Everything was set up well and I was also able to access Horizon Dashboard. But when I power off VM ...
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1answer
38 views

Home folder won't open

I have Ubuntu 12.04 (dual boot with Windows 7 if that matters). When I click on the icon of the Home folder in that column that pop-up when one hovers at the left of the screen, the icon flashes (like ...
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1answer
1k views

LUKS and LVM install: no boot (gave up waiting for root device)

I just finished installing 12.04 on my system, configuring it with LUKS and LVM. I can open the encrypted position just fine in a recovery disk, but I just can't seem to get it to boot. It waits ...
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0answers
40 views

unsuccessful installation [duplicate]

there's a problem while installing ubuntu 12.04 lts via USB. I have done all the processes correctly... when I reboot system and select the USB startup, the ubantu starts and asks for "try or ...
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1answer
407 views

How do I DISABLE home directory encryption during Ubuntu 12.04 installation?

When attempting to install Ubuntu 12.04 from a CD, there is an option displayed for "Encrypt my home folder". The option is checked (enabled) by default, but it is grayed out, so it is impossible to ...
2
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1answer
3k views

Installing Android SDK on Ubuntu (12.04 or above) 64 bit without ia32-libs

I have Ubuntu 12.04 LTS. After following the official steps to install Android SDK and ADT bundle on a Linux machine, I wasn't able to run the SDK as some of the binaries in it needed 32 bit ...
0
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1answer
40 views

econfguration incorrect while trying to install ubuntu

I am trying to run ubuntu 12.04LTS off of a pc I found off the side of the road pentium 4 3.00ghz 512mb ram 128mb gpu 20gb hdd Problem is when I place my cd inside and press f11 to access boot menu, ...
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2answers
104 views

installing two version of a software

I downloaded and installed a program from source. Now I want to install a newer version, again from source. In both cases I have to add PATH to bashrc. I am a afraid from upcoming problems, because I ...
1
vote
1answer
404 views

Zenity from command line Linux installation

I have a command line installation of Linux, i.e. when I was installing it, I chose to install a command line version. I want to make use of zenity from the command line to popup dialog boxes etc. ...
0
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1answer
86 views

INSTALLING UBUNTU 12.04 fro already downloaded file (installing with pendrive) [duplicate]

I have got this file downloaded: ubuntu-12.04.4-desktop-amd64.iso I have a 64 bit OS and want to install ubuntu 12.04 on it alongside win 7 (which I already ahve on the PC) I have a Pendrive. how ...
1
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3answers
187 views

Can't boot Ubuntu 12.04 with Windows 7 installed in Toshiba Portege laptop

I downloaded Ubuntu 12.04, try to boot it using USB, I did download the .iso, I did put it into the USB. I'm using Toshiba Portege, forgot which one. When I'm open the BIOS with F2, I can't boot it ...
0
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1answer
39 views

New to the Ubuntu Game any one want to help me with an AMD install?

I guess this may be annoying to some, but if you would like to help. I am definitely not to proud to beg. Specs are as follows: Amd A4 4000 3.0ghz APU Gigabyte F2A55M-HD2 dual bios board. Dirt ...
0
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1answer
84 views

12.04.4 hangs at install

I am trying to install 12.04.4 on a Dell Precision M70 laptop. I wiped the disk clean and established 3 partitions - one formatted for root, one for swap and one NTFS. All are at least 30 Gig. I have ...
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1answer
4k views

Install python setup tools for Ubuntu 12.04

I am trying to install Savanna in OpenStack but I am getting this error that I have posted on askubuntu.com Someone told me that it might happen because I have not right version of python-setup-tools ...
1
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1answer
107 views

Unable to install Ubuntu on

I tried to install Ubuntu 12.04 from a Live USB, but was unable to get into the live environment when I selected Try Ubuntu without installing option. Then I tried again by selecting Install Ubuntu ...
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1answer
82 views

Can't install Ubuntu 10.04 with 12.04 already installed

I have a machine with Ubuntu 12.04 LTS Desktop installed and everything works find. I would like to install 10.04 LTS on a second partition. I tried booting from a 10.04 DVD through the BIOS. When ...
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1answer
386 views

LibSSL1.0.0 Throwing Errors

Whenever I try to do any package manipulation - stuff like apt-get install or apt-get update, etc. - I keep getting errors related to libssl1.0.0. I've tried various things online to no avail. sudo ...
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1answer
12 views

E: Impossible de trouver le paquet minicom

I want install minicom and other package n ubuntu 12.04 baut I have this result: rimeh@rimeh-PC:~$ sudo apt-get update && sudo apt-get install minicom Lecture des listes de paquets... Fait ...
0
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1answer
198 views

Install Ubuntu to a 15GB partition

I know this question is quite basic, but I am really new to linux and trying to install Ubuntu 12.04 on my Lenovo Y510p laptop which already have Windows 8 installed on it. What I want to do is to ...
0
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0answers
15 views

Undefined Reference during catkin_make

I'm having some problem with the catkin_make. The error is : /home/marcello/catkin_ws/src/aruco_marker_detector/lib/libaruco_marker_detector‌​.so: error: undefined reference to ...
0
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1answer
589 views

Not able to install Ubuntu 12.04 using wubi

I am trying to install Ubuntu 12.04 in my windows machine using Wubi. It's not the first time I am trying to install using Wubi, I have done that before but I am facing some issues this time... I ...
0
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2answers
156 views

How does a newbie install a Ubuntu dual boot on an computer with XP?

I've been trying to install Ubuntu 12.04 (32-bit) as a dual boot on my laptop which is running XP. I managed to create a bootable USB stick, and to boot the laptop from that. When offered the choice ...