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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How to remove this error “ERR_CONNECTION_REFUSE”?

I have this error on some sites "http" for the most part I'm on Ubuntu. It is the same with other browsers (but not last error pages do not load). I have tried to "Reset browser settings," and clear ...
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2answers
15 views

Ubuntu and Eclipse can not find the latest java version

I have an Ubuntu on VirtualBox and I just installed an Eclipse. When I tried to start Eclipse, Eclipse claimed "Version 1.6.0_35 of the JVM is not suitable for this product. Version: 1.7 or greater is ...
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1answer
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Is Ubuntu LVM a RAID?

I had a 4 disk LAMP system running Ubuntu 10 then upgraded to 12. The drives are managed by LVM since initial setup. Recently, one of the drive failed (the newest and largest of course, 3TB). I sent ...
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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..
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2answers
260 views

what does /var/lib/update-rc.d/xxx for?

I find there are some files in /var/lib/update-rc.d/, such as: $ more /var/lib/update-rc.d/exim4 update-rc.d exim4 defaults the only content is a update-rc.d command add service to default level. ...
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How to install 'Doxie go' scanner in Ubuntu 12.04?

There is no Linux version driver for Doxie go scanner by Manufacturer. Whether driver is available by other developers for Ubuntu 12.04? Simple scan didn't recognize the scanner. Works well with ...
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8 views

Gnome classic taskbar doesnt work propperly on selecting program

Im using Ubuntu 12.04 with the gnome classic extension. If i want to change to another window, i click the symbol on the taskbar on the bottom of the screen. Now i observerd this behaviour: If i ...
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2answers
30 views

Ubuntu 12.04 and SSH: Automatically shutting down another computer when powering off

I want to shut down another computer in my network when shutting down my own. For that I have created a script that logs into that machine through ssh and powers it off. (SSH keys are set up, so no ...
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1answer
14 views

openssl 1.0.1 update on 12.04 has broken a curl command

After updating openssl on our dev server to version 1.0.1-4ubuntu5.31, a script that contains a curl command to a specific server no longer connects. We were running openssl 1.0.1-4ubuntu5.25. Curl ...
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9 views

Speakers stopped working on Ubuntu 12.04

I am using Ubuntu 12.04. I am using a Dell Inspiron. One day after a update from update manager my speakers stopped working. I tried to reinstall the driver but did not work. My headphone are ...
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No modules in /lib/modules Linaro Deskotp

I am trying to run Linaro Ubuntu Desktop on an ARM embedded device - mainly for use of the Unity GUI. When I boot my device I get output to the screen and just before the boot process completes I ...
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1answer
28 views

Skype Not installing in ubuntu 12.XX [duplicate]

I use Ubuntu 12.04 (multiarch) 64-bit. I need to install skype but not able to install. I get the error. Screen shot attached. Also how can i update to Ubuntu 14.XX - 64-bit?
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29 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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13 views

Unable to locate package ambari-server in ubuntu 12.04

I'm trying to install ambari server in virtualbox ubuntu 12.04 32 bit. I'm following this installation guide. ...
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0answers
18 views

10.04 upgrade (to 12…) never works [duplicate]

When I attempt to upgrade from 10.04 to 12..., I get the following message(s) at the point of 'setting up files': (YadYada = www.): W:Failed to fetch YadaYada ...
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23 views

How do I recover files that testdisk found?

I used testdisk to locate missing or deleted files and it found them. I then used "c" to copy the files but could not paste them to desktop or anywhere and could not change the directory in the ...
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1answer
21 views

Issue at installing IPython via pip

I had an error while trying to install IPython. Here is the log: alumno@Usuario:/usr/bin$ pip install ipython[all] Downloading/unpacking ipython[all] Exception: Traceback (most recent call last): ...
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1answer
26 views

Unable to install QT5 .run file on ubuntu

I know that to install .run files, I need to do chmod +x qt.run ./qt.run But it seems the ubuntu is not trying or able to run the executable. I even tried appending the sudo but it doesn't work. ...
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3answers
35 views

Disconnet internet at specific time in ubuntu 12.04

I'm a Ubuntu 12.04 LTS user, and I want something that disconnect the Internet at a specific time. Here in this answer, there was an option in modem manager to disconnect the internet at specific time ...
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13 views

Can't read data DVD

I'm running 12.04 LTS and burned a data DVD with xfburn and now my drive won't read it...it just hangs and I get no error message. The disc reads on other computers and my drive will read a UDF disc ...
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2answers
27 views

Can't change HDMI resolution 800x600 - Ubuntu 12.04 [on hold]

I have tried everything I can think of to fix this problem. I restarted my computer and my second screen (HDMI) is now stuck in 800x600.
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1answer
40 views

E:The method driver /usr/lib/apt/methods/gpgv could not be found

Anytime I go to update and/or upgrade, apt-get returns the error below: Failed to download repository information E:The method driver /usr/lib/apt/methods/gpgv could not be found. Running: 12.04 ...
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1answer
36 views

Problems installing Java 8 on 12.04 LTS

ive taken these steps to try and install Java 8 on my 12.04 LTS server. http://www.webupd8.org/2012/09/install-oracle-java-8-in-ubuntu-via-ppa.html i had an error when running trying to intall the ...
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0answers
14 views

audit tool is unable to capture the bash(write operations) events

I have the following configuration in my system OS : ubuntu 14.04 Kernel version : 3.13.0-32-generic I have following rules in my audit.rules file. -w /etc/ -p wa -k ...
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1answer
19 views

How to install package from 12.04 on 14.04?

I am on 14.04 (64-bits) and I want to install some <package>:i386 packages from 12.04. The reason I want to do this is because some of my 32-bit applications work well on 12.04 but not on ...
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1answer
27 views

Lubuntu not booting without USB used to install it [duplicate]

My Lubuntu v12.04 (I'm not using the newest one because my Laptop doesn't support PAE) doesn't boot when the USB I used to install it isn't plugged in. I've overwritten my Windows XP with Lubuntu and ...
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2answers
65 views

Ubuntu 12.04, PCI, and CVE-2015-5352

PCI compliance will fail when the CVE-2015-5352 vulnerability is present. OpenSSH 6.9 fixes this vulnerability, but Ubuntu 12.04 has not been patched. What is the best way to address this ...
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1answer
61 views

How can I install wireless adapter driver for Digisol DG-WN3150Nu in ubuntu 12.04?

I am using HP Pavilion 15-n011TU and I have problems with wireless LAN driver. Unfortunately as per this link there is no Ubuntu driver for the device. So I have purchased a USB wifi dongle (Digisol ...
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1answer
20 views

Deploy application with Qt5 to 12.04

I need to deploy my application which is depend on Qt5.x. No problem with that on 14.04+, but for 12.04 users there is seems to be no way to get qt5 from standard package repository. I'd like to pack ...
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29 views

Getting error: Unknown module(s) in QT: webkitwidgets in QT 5.2.1 in Ubutu 12.04

I have built Qt 5 libs from source into Ubuntu 12.04 and made a Qt test app. In .pro file I have written QT += core gui webkitwidgets to use Qwebview in my test project. But when I run qmake into Qt ...
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11 views

Network Wired Unplugged

My Network indicate that my wired connection is unplugged. But I have a Green Blinking light on my Network Card. Can someone help me troubleshoot whether I have problem with my Network Card or ...
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2answers
31 views

Ubuntu 12.04 can't login : read only file system

I tried to login to Ubuntu 12.04 but each time I get back to the login screen, I've tried (Ctrl+Alt+F1) to try console mode but after giving my login/password the message incorrect login appears, so I ...
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1answer
16 views

Could not find id_rsa.pub

I am under cloud Ubuntu 12.04.5 LTS. And I couldn't find id_rsa.pub file. $ ls -ll ~/.ssh total 12 -rw------- 1 root root 4435 Jul 22 11:15 authorized_keys -rw-r--r-- 1 root root 2660 Jul 22 15:45 ...
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24 views

Unable to run apt-get update openssl on 12.04

I am trying to run sudo apt-get update openssl on Ubuntu Server 12.04, however when I do, I get the following error: Starting nginx: invoke-rc.d: initscript nginx, action "start" failed. dpkg: error ...
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32 views

Wifi card not recognised

iwconfig does not recognize wifi card, wifi card is enabled and i have all drivers. Manufacturer website informs broadcom 4313 wireless adapter. I have assured that the required drivers are ...
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1answer
40 views

Ubuntu unable to detect Huawei E392 USB modem with Airtel 4G connection

Ubuntu unable to detect Huawei E392 USB modem with Airtel 4G connection. Output of lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux ...
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28 views

Ubuntu 12.04 VSCode will not run

I have tried everything in the following: Microsoft Launches Visual Studio for Linux Unzipping and run Code in terminal... I get command not found. I tried Code, sh Code, sudo Code and sudo sh ...
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19 views

Collision beettwen object [closed]

hy,i have a robot built in urdf format that i want to use to reach and interact with object.I did the inverse_kinematic to compute the angle joints starting from the pose of the object. The problem is ...
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0answers
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is owned by uid 1000, should be 0 [closed]

I set up a Ubuntu 12 VM in 2013. All this time i have been having a problem that i for example cant clone from github without using SUDO in the terminal. There is only one User on this machine ...
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17 views

Failed to install GRUB boot loader on HP ProLiant DL380p Gen8 Server

please I need your help. So I am trying to install Ubuntu Server 12.04 on this server. Everything else installs correctly, especially the software which I have selected. But when it comes to the GRUB ...
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26 views

[12.04]Weird “Unable to mount iPhone” “Mountpoint Already registered”

I came up with this problem when I plugged my iphone into my Ubuntu. Here is what it said: "Unable to mount iPhone DBus error org.freedesktop.DBus.Error.InvalidArgs: Mountpoint Already ...
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40 views

Is my e-mmc card gone?

On Ubuntu 12.04 : lsblk shows : NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 298.1G 0 disk ├─sda1 8:1 0 290.2G 0 part / ├─sda2 8:2 0 1K 0 part └─sda5 8:5 ...
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25 views

Ubuntu 12.04 suddenly only boots into tty1

I've read through about 20+ threads where others had the same thing happen, however NONE of the solutions I found worked for me. Some were not even possible to try or didn't apply. I'm really stuck ...
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how do I get Google-earth to work on 12.04?

I have followed exactly the precise instructions from JoKeR (March 2012)--removed all previous g-e files, downloaded and installed the current one. No change at all: the logo appears, and vanishes ...
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9 views

Root password not accepting [duplicate]

I install ubuntu in my pc. every thing is ok but root password give authentication faild. How can I solve it.
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1answer
38 views

Boot in failed. Shows Fontconfig error

After an unsuccessful upgrade from 12.04 LTS to 14.04, I am not allowed to login as it shows a black screen with message beginning with Fontconfig error:"etc/fonts/conf.d/65-khmer.conf", line 14: out ...
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2answers
24 views

Wallpaper changes automatically

I am working in a company. Here the IT team is changing my wallpaper automatically. I went to /usr/share/backgrounds and found the current wallpaper there with name say abc.jpg and permission of 755. ...
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I am running 12.04 on a Toshiba Satellite A205-S4607, and everything freezes almost right away

When I run: sudo apt-get update && sudo apt-get install octave it froze about 5 minutes into that. Now when I boot up it freezes almost instantly after I log in. It's happened 3 times in a ...
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1answer
77 views

how to create my own ntp server [on hold]

Ok here is my setup. I have 2 virtual machine both have ubuntu 32bit 12.04. I connect them with inet(internal network). I want to make one of them for ntp server and the other one for ntp client. ...
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2answers
18 views

Unable to install open ssh server

I am completely new to Ubuntu environment. I am trying to install open ssh server on my Ubuntu server with sudo apt-get install openssh-server But I am receiving the error as : Some packages could ...