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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c++ debug jump back netbeans and eclipse

All the latest netbean ide and eclipse ide for c++ open some project and then debug, it will somehow jump back to somewhere when I press step over,like this (from 44 to 40): Can someone help? ...
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1answer
9 views

WiFi interface doesn't come up

All of sudden, my builtin Wifi interface on the laptop (HP Pavilion dv7, running Ubuntu 12.04, kernel 3.2.0-64-generic) won't come up. # ifconfig wlan0 wlan0 Link encap:Ethernet HWaddr ...
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7 views

How do I add to “system software sources”?

While trying to install fluendo on my Acer C720 running 12.04, I was told to add this to my system software sources: deb ...
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6 views

How can I wait for ipv6 availability in a cloud-init script, to launch a docker box?

I'm using ubuntu v12.04 in AWS, using an AMI that's nothing more than docker and the core ubuntu operating system. The upstart script packaged with docker.io starts on ipv4 availability: start on ...
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8 views

Network has disappeared on menu

I have Ubuntu 12.04 LTS Iam suprised because it has Network menu on global menu has disappreared. What to do in order to bring it back?
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1answer
14 views

Uninstall Ubuntu OS-Uninstaller

I recently installed Ubuntu 12.04 (I had the .iso already and couldnt be bothered downloading 14.04) alongside a broken Windows 7. GRUB shows Windows 7 and Ubuntu as normal Before we go any further, ...
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3answers
30 views

pentium t2390 dual core 3gb ram just installed 12.04, should I change to 14.04? [duplicate]

had a 12.04 disk and installed on a vista laptop for a friend, did not realize till install that 14.04LTS was available. should I burn a disk and reinstall 14.04, upgrade or stick with 12.04?
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11 views

problems gaining root access and installing software due to authentication. [duplicate]

I have a laptop that had ubuntu installed, however though many ownerships, the pass word is lost, anyway of removing this absolute shite of an install block. every time I try to do something it asks ...
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11 views

RAM upgrade freezes startup

I have A Toshiba Satellite m105 s 3041 that I installed latest Ubuntu. It is the only operating system on the laptop. It was running very slowly and I realized the minimum ram was 2 GB having only ...
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9 views

ubuntu Server asus chromebox won't boot unless I have a hdmi display plugged in

So I installed Ubuntu Server on my Asus Chromebox, all works great except I have a strange issue. Ubuntu won't boot unless I have a hdmi display plugged in I've tested this over and over. If I plug ...
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2answers
21 views

What does dpkg --configure -a do?

The title explains it, but why should have to use it when I am installing a package via Terminal on my box then the installation fails, why is this and what does "dpkg --configure -a" do to fix it ...
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1answer
13 views

Changing Order of Interfaces

Hoping someone can help me, what I'm wanting to do is change the order of my interfaces on Ubuntu 12.04LTS. We're running our Ubuntu server on a VMWare box with three virtual interfaces. I've read ...
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1answer
16 views

Up grading from 12.04

I am trying to follow your procedure to install on a none pae machine. 12.04 installed OK but when I tried to get update to move to 13 I get an error: Err Upgrade tool signature 404 Not found[IP: ...
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16 views

How to fix segmentation fault starting Matlab after 14.04 upgrade?

I upgraded my desktop from Ubuntu 12.04 LTS to 14.04 LTS. I have installed Matlab before and after updating Ubuntu to a new version. When I type matlab in the terminal it shows: Segmentation fault ...
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11 views

hcitool and bluez can't find bluetooth

hcitool output is: v@gt680:~$ hcitool dev Devices: v@gt680:~$ and hciconfig: v@gt680:~$ hciconfig hci0: Type: BR/EDR Bus: USB BD Address: 74:F0:6D:D3:00:A8 ACL MTU: 310:10 SCO MTU: 64:8 ...
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0answers
9 views

Enabling access of locally hosted websites through squid

I have setup a squid proxy in my office.We have to connect to another company VPN and have to access locally hosted websites in that company.The problem is that through squid we cannot access those ...
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1answer
18 views

The following packages were automatically installed and are no longer required with important libs

The following packages were automatically installed and are no longer required: libopenal1:i386 libsdl-ttf2.0-0:i386 libgconf-2-4:i386 libatk1.0-0:i386 libstdc++5:i386 libpam-winbind ttf-umefont ...
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0answers
10 views

Cannot find Windows 8 option after dual booting with Ubuntu 12.04 in grub [duplicate]

I succeded in installing ubuntu 12.04 alongside Windows 8 but after that laptop booted to ubuntu w/o a grub selection .So I installed boot-repair to fi the problem just to find a grub menu without a ...
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1answer
30 views

Dist-Upgrade - LibreOffice dependencies later than required

When I try to update my Ubuntu box, I get this error : dpkg: dependency problems prevent configuration of libreoffice-base: libreoffice-base depends on libreoffice-base-core (= ...
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0answers
25 views

why can't I reinstall Ubuntu 12.04 LTS?

I used Wubi to install Ubuntu 12.04 LTS on two machines. I used it for a couple of years, loved it, almost never booted into Windows. An option to upgrade to 14.04 appeared so I didn't hesitate to ...
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0answers
14 views

Migrating Eclipse from Juno to Luna

I just upgraded my Ubuntu computer from 12.04 to 14.04, and my Eclipse Juno stopped working (doesn't start). So I decided to download Eclipse Luna. Now I can open Eclipse, but all my projects, ...
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3answers
21 views

Canecelling the Guest Account? [duplicate]

How can I remove the Guest account from my admin account? Because there is no use of have a password for the admin account will the guest is open to anyone.
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1answer
24 views

My desktop computer is so slow (Ubuntu 12.04) [on hold]

My desktop computer is so slow (Ubuntu 12.04). It have 1GB RAM memory and 40GB Hard disk drive. It struck regularly. Especially when using Xlxs. Please give me a solution.
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10 views

Lost OS after backup of data files to external disk

Dual boot Win7 and Ubuntu 12.04 on a Fujitsu laptop I was attempting to back up my Ubuntu data files only to a WD portable HDD. My previous backup files had disappeared from a straight copy and paste ...
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13 views

How to enable or start network (wireless) services in ubuntu 12.04

I know there are loads fo questions similar to my question, but unfortunately none of there answer helped me anyway. I am a 100% newbie to ubuntu(linux) and am from windows enviroment. I liked ubuntu ...
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17 views

Installing logger pro on 12.04 LTS over Crouton

I'm running Ubuntu 12.04 LTS 32 Bit on my Acer C720 chromebook over Crouton unity. I'm trying to install Vernier's Logger Pro but failing horribly. The application simply doesn't start when I double ...
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15 views

What is your TLP configuration? [duplicate]

I'm searching for a way to extend my battery life. And I found TLP. I'm still not really sure is this TLP works. Can anyone tell how can I know if this TLP works in my laptop? If you do custom your ...
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16 views

Failed to load session Ubuntu and to fetch .archive.ubuntu.com

I was downloading some updates like almost every day and a message about some files to remove or replace I think (I'm not sure) that I've accepted to replace without knowing I confess what is it ...
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0answers
11 views

Mirroring 12.04 vps server to another vps server

I'm a new Linux user so I'll need a hand in this. I have a 12.04 server that I want a mirror image of on another vps. I was reading a bit on rsync but I am unsure of the command to put in to copy ...
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1answer
31 views

Xserver error “(EE) module ANI major version(6) doesn't match the server's version(8)”

I have upgraded Ubuntu from 12.04 to 14.04. Afterwards, xserver couldn't start. I have downloaded the latest nvidia drivers from here and rebooted. GRUB now has the following entries: *Ubuntu ...
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2answers
24 views

How to solve the error AFTER setup an ubuntu in my pc

I have windows 7 my computer. Now i tried to install ubuntu 12.04 in my pc. after installting the ubuntu pc suddenly took restart and after that i see this image on my screen, when the pc starts. is ...
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5answers
664 views

How to compare two files

So basically what I want to do is compare two file by line by column 2. How could I accomplish this? File_1.txt: User1 US User2 US User3 US File_2.txt: User1 US User2 US User3 NG Output_File: ...
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2answers
34 views

Install uTorrent

I followed these 2 tuts: Step by step installation Stuff if you are with x64 OS Well, I am done until the pre-last step. I have created the symlink, and when I navigate to the folder ...
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0answers
27 views

Microphone don't work on Skype 4.3 with ubuntu 12.04

I have tried to change all settings on the Volume Control Panel, but nothing happens. I just hear the sound from the PC, but not by microphone.
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10 views

How to reinitialize processor for /sys and disable integrated graphics

I have upgraded my laptop from Intel Pentium P6100 to Core i5-460M. i5 supports Turbo Boost. To switch this I need to do: echo 0 or 1 > /sys/devices/system/cpu/cpufreq/boost But my System ...
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2answers
20 views

Crontab command does not function properly

I have the following crontab entry to automate copying of my files to separate W/S in the network. However, it does not copy the files but produce the log file. here is the file contents #! ...
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39 views

Ubuntu issues when upgrading from 12.04 to 14.04

I've upgraded from ubuntu 12.04 to 14.04. There were display driver issues and I could only work in a terminal. I have installed the nvidia drivers from here. During the installation there seemed to ...
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13 views

usb modem installation

I am new to Linux. I'm using UBUNTU 12.04 LTS. I have iBall 3.5G Connect USB Modem. I can use the Dongle on Windows, but I failed to use the dongle on UBUNTU. Help me to solve this problem.
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1answer
38 views

Upgrade from 12.04 to 14.04; No desktop, no panels appearing

I am able to log in to Gnome(Classic) and I can use a terminal command there. However, whenever I try to log in to Ubuntu, my terminal command doesn't work. My guest session does not work either. I ...
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27 views

System went to sleep while running do-release-upgrade

I am trying to upgrade from Ubuntu 12.04 to 14.04 on a laptop. I have run sudo do-release-upgrade During the upgrade process the laptop went into sleep/locked screen mode. I have rebooted and ...
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1answer
32 views

unable to launch startxfce4 x session — “startxfce4” not found

recently i have tried to upgraded ubuntu 12.04 to 14.04 and it got crashed. somehow i upgraded it to 14.04 and now i can able to see login screen. my problem is when i tried to login i am getting ...
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1answer
10 views

How do I install pygame in a pyenv virtualenv for Python 2.7 on Ubuntu 12.04?

I found instructions for Python 3.3 but nothing specifically for 2.7. I sorted it out and figured I'd record it here for future reference.
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15 views

can't install Quake 3

After installing it from Ubuntu Software Center and having the original disk etc I get the following error message and I have no idea whatsoever of what I am supposed to do: Use game-data-packager to ...
0
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1answer
28 views

Ubuntu server spontaneous reboot

I have got two ubuntu 12.04 servers(xeon e3). Sometimes(several days) each server spontaneously reboots. HDDs and other hardware are ok. Which logfile can help find a reason of the problem? UPDATED. ...
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15 views

Unable to delete or copy files from/on an MP4 player

I was wondering about how t fix the following problem: I have an MP4 player and connect it to my laptop where I have Ubuntu 12.04. I connect it using an USB cable if that makes any difference. It ...
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Edubuntu 12.04 freezes at login window

I upgraded my edubuntu distribution to 12.04 and when I got to the last step, which was to remove no longer needed packages, I skipped it and continued. My computer restarted as it should but once it ...
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I can't open “sh ubuntu.sh” on android

If I input sh ubuntu.sh on android cell phone it says: ERROR: ld.so: object '/system/lib/libsuc.so' from LD_PRELOAD cannot be preloaded: ignored. image
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19 views

Belkin N300 Router SSID not recognised/listed

I am using Belkin wireless N300 Router, Model noF9K100v1 router. I have dual boot Windows 7 and Ubuntu 12.04. PPTP is configured internally in the router. On Windows and Android, I can connect and ...
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I can not print on Windows 7 shared printer

For a while I can not print from my Ubuntu 12.04 64 bit pc on a Windows 7 shared printer. Before that everything was ok. The printer is HP LaserJet 1100. The error message is: "File ...
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15 views

I can not install ipython3-notebook in 12.04.5 amd64

When installing it , ubuntu gives the below message : ipython3-notebook: Depends: ipython3 (=0.13.2-1~ubuntu12.04.2) but 0.12.1+dfsg-0ubuntu1.1 is to be installed How to do with it ? Thanks