Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Will go End Of Life (EOL) April 2017. Only use this tag if your question is version-specific.

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Trouble installing Ubuntu 12.04 on Mac PowerPC G5

Disclaimer: I know very little about doing anything on a computer other than regular updates and downloading music software. This is my first OS replacement, so I may be a little frustrating to some. ...
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9 views

Transferring ovf file between OS

I have this configuration: computer_A : ubuntu 14.04 VMware workstation 12 ubuntu 12.04 installed on that VMware computer_B : xubuntu 12.04 VMware workstation 12 I exported the OS from ...
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I'm unable to get into recovery mode on my Ubuntu 12.04 [duplicate]

I know how to get into the recovery mode, it's just that when I restart my system and hold down the shift key, it never works. Does anyone know how to fix this? I'm trying to reset my administrative ...
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25 views

OpenVPN fails to start with error “could not execute external program”

I've been banging my head against the wall for several hours now and I'm at my wits end. I've double checked my setup against numerous guides and it checks out, but OpenVPN still fails to start. The ...
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1answer
23 views

How to upgrade easily from 12.04 LTS ? And to work (for newbies)! [on hold]

Tried to upgrade to 14.04 from 12.04 LTS and got system error. What would be best solution for me? I used windows so far. Answers for my problem was to complicated for me as new ubuntu user. Please ...
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19 views

How to install android studio in ubuntu

i need to install android studio in ubuntu system i followed some steps from documentation its installed but not running. please give me stapes to install and also works. How to install Android ...
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18 views

can't create wireless network on ubuntu 12.04 LTS [on hold]

I'm using ubuntu 12.04 LTS and I want to create wifi hotspot in my laptop .. I'v tried the solutions below: http://askubuntu.com/a/593032/572575 http://askubuntu.com/a/490960/572575 but, none of ...
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27 views

12.04 To repair apt-get package manager

I was installing PostgreSQL 9.4 and pgAdmin on my Ubuntu 12.04 and after that I needed to install Postgis extension for Postgres as well. Before the Postgis step all was fine. There I tried with ...
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17 views

SMTP port listening but unable to connect

I used this tutorial to setup a server on Ubuntu using Postfix and Dovecot. Everythings looks like it should be working tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN ...
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18 views

xserver terminates with segmentation fault error every time after hit a touchscreen

I have ubuntu 12.04 installed on apalis nvidia Tegra T30 with lxde desktop environment and xserver version: X.Org X Server 1.11.3 Release Date: 2011-12-16 X Protocol Version 11, Revision 0 Build ...
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11 views

Ubuntu host and ubuntu guest with VMware, guest does not have network connection

My host machine is ubuntu 14.04 and guest VM is ubuntu 12.04. I am using VMware Workstation 12 Player. How do I get internet in my guest VM? I tried NAT, host only, and bridged. None of these worked.
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How to join windows client to ubuntu OpenLDAP domain server

I've configured an OpenLDAP server on my Ubuntu 12.04 server. I also configured a DNS server for domain support. My slapd service is running perfectly and I can see it with my LDAP browser. Using ...
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2answers
27 views

How to run ffmpeg, when libav-tools is installed but running ffmpeg says not installed?

I have already installed libav-tools. I purged it and reinstalled. When I run ffmpeg it says not found and suggests to install libav-tools. When I try that it says it is the newest version.
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4 views

Ubuntu 12.04 File Open/Save dialog boxes display drop-down list showing folder and program names sharing the same first character/ symbol

Recently, I found that the File Open/Save dialog boxes in my installed programs now display a drop-down list showing a list of files and sub-folders in that particular folder. I did not encounter this ...
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17 views

Cannot create a backup with Dell Recovery utility

I tried to create a backup using Dell Recovery utility after reinstalling Ubuntu. During that process I choose "No media, create image" options as I wanted to save .iso file on the hard drive. At the ...
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33 views

Cannot login as administrator after reinstalling Ubuntu 12.04 LTS

After reinstall Ubuntu 12.04 LTS on a laptop, a new problem arose: can no login as administrator. When trying to log in, Ubuntu just do not let enter, no errors, but can enter only as a guest. ...
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1answer
13 views

How to access recovery console without using grub?

So I just got a computer from work for free but it's a rather old iMac, probably from 2006, and it has Ubuntu on it. I have no clue how to use this software and the previous owner is unknown so I can'...
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36 views

Audio missing on new Ubuntu 12.04 LTS laptop

New notebook come with Ubuntu 12.04 LTS preinstalled, and audio is missing, no sound. MUTE is off. How many efforts is required to enable such basic functionality on new laptop? I'm have no much ...
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13 views

wvdial invalid dial command

I am using a USB modem on my system running on ubuntu. When at home, I am able to comfortably connect to the internet using wvdial. But, at a certain remote location where the mobile signals are very ...
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1answer
22 views

How to move files in perl recursively

How can i move all files in a directory to the previous directory in Perl using system command ? I tried the following method and it showed error system('/bin/mv "test/*" , "./"'); bash: syntax ...
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0answers
15 views

Could not connect to vsftpd server [closed]

When I try to connect vsftpd server it shows the following error Status: Resolving address of sitename.com Status: Connecting to xxx.xxx.x.xxx:21... Status: Connection established, waiting for ...
1
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1answer
18 views

How to set noapic and pnpbios=off parameters for boot

I have a weird laptop, that, long story short, must have these 2 parameters set for it to boot: pnpbios=off noapic How to I tell grub to utilize these every time it boots?
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20 views

Upgrade to 15.04 didn't finish correctly: how to resolve failed issues? [closed]

I upgraded Ubuntu from 12.04 to 15.04, and during the upgrade - I noticed that the setting of changing keyboard's language direction (from L2R to R2L) failed, along with the upgrades/installation of ...
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24 views

Not able to install 12.04 or 14.04 on my laptop [closed]

Not able to install 12.04 or 14.04 on my laptop. But successfully installed 16.04. I was doing the installation with bootable pendrive. My laptop configuration is as Lenovo G50-80 RAM 8 gb Processor ...
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1answer
19 views

Ubuntu 12.04.5 LTS Install: stuck on step “ubuntu ubiquity: Processing triggers for libgk-pixbuf2.0-0 …”

I'm installing Ubuntu 12.04.5 LTS for the first time and the Install is stuck on the progress command: ubuntu ubiquity: Processing triggers for libgdk-pixbuf2.0-0 ... This has been stuck for several ...
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38 views

Any chromium-based browsers aren't working on 12.04!

Few days ago I got system, kernel and software updates for Ubuntu 12.04. After restarting any chromium-based browsers (Google Chrome, Opera, Chromium, Vivaldi etc..) are not working. I have similar ...
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14 views

Where can find zone files in slave bind server?

In /etc/bind/named.conf.local file I mentioned file "/etc/bind/slaves/file name.db"; but I couldn't find the zone file in the location /etc/bind/slaves.
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10 views

how to connect lan network in ubuntu 12.04 vmware

How to connect network(wired) in ubuntu12.04. unable to connect. help me with the steps to connect network in ubuntu.
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12 views

SD card and USB error reg in ubuntu12.04

I have downloaded some BSP package regarding my embedded computer and The linux os booting on the hyper terminal and now I am trying to boot up onboard/SD card boot up for that I am trying to write ...
5
votes
1answer
47 views

How to install new versions of G++ that use the corresponding C++ standard library?

I am trying to install multiple versions of the g++ compiler for testing purposes. I would like to be able to install g++ 4.9.3,5.1.0, 5.2.0, and 6.1.0. I know that I can do sudo add-apt-...
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11 views

virtualbox- error on importing

I have offline computer with (computer_A): OS: xubuntu (12.04) virtualbox: 4.1.44 guest: ubuntu 14.04 I have another computer(computer_B): OS: windows 7 virtualbox: 5.0.6 guest: ubuntu 14.04 ...
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28 views

Check file system integrity for all existing partitions

How to check file system integrity for every dev/sdaX block with fsck command? Ubunty LTS 12.04 crashed, then was installed again, from boot into recovery mode. Device Boot Start End ...
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20 views

Ubuntu 12.04 LTS problem with external monitor, super old laptop

I've just got a 'new' old laptop Hasee Q540S (graphics VESA: 6330) and I wanted to use LG 27MP37 as an external monitor. The problem is: monitor works (lets say it displays 80% of laptops view, with ...
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1answer
38 views

How to fix the “Unable to calculate upgrade” issue from command line when upgrading from 12.04 to 14.04?

I'm running Ubuntu 12.04 on DigitalOcean server. I would like to upgrade it to later releases (12.04->14.04->16.04), but fail to do so due to the mentioned mistake. DigitalOcean provides a tutorial ...
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1answer
32 views

Stuck on BIOS splash screen (Dell manufacturer logo) [closed]

My computer always gets stuck during boot at this screen: Is this a problem of Ubuntu or the computer itself and how can I fix it?
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20 views

No suitable module for running kernel found - ubuntu 12.04 on LINODE

I am trying to install VirtualBox with Vagrant in Ubuntu 12.04 on a Linode VPS. Everytime I try installing VirtualBox i get an error saying No suitable module for running kernel found {fail}...
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66 views

Ubuntu 12.04 - Wifi is not working ok. Password-asking screen is not prompting after click

I know that you are thinking "this has been posted already thousands of times". But I feel that my problem is slightly different. My model is an HP-pavilion dv4 The point is that, when trying to ...
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69 views

Ubuntu 12.04.5 wireless connectivity stopped working all of a sudden

Ubuntu 12.04.5 wireless connectivity stopped working all of a sudden from today morning onwards. I am able to access Skype, but not any website through my wireless carrier. I have tried different ...
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2answers
37 views

Failure to upgrade or update [duplicate]

Could someone help me know what is wrong with my laptop? I failed to update or upgrade with my terminal or update manager. The system in terminal returns an error of unable to fetch some archives ...
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0answers
25 views

How to disable giving inputs through terminal [on hold]

How to disable giving inputs through terminal its a keyboard shortcut that is used by my sir ,when i tried to install through root the screen gets blank and whatever you enter won't be displayed and ...
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0answers
27 views

Ubuntu 12.04.5 LTS unbearably slow after entering passphrase for WiFi

I've installed Ubuntu 12.04.5 LTS on an (quite old) IBM ThinkPad T40. Connecting to the internet using LAN works perfectly fine, but as soon as I "Enable Wireless" in the Network Manager, choose a (...
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1answer
7 views

php version on server 12.04LTS

Php 5.3 is end of life and not receiving security updates. Can someone confirm that 5.5 or 5.6 will work properly on Ubuntu Server 12.04? Thanks.
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19 views

Cannot ping myself (127.0.0.1) or ping outside or ssh into my ubuntu 12.04 server

My server was working fine a few days ago. I was able to SSH in. Today all of a sudden I can't SSH in, but I'm able to access the console directly in order to troubleshoot the issue. I tried ...
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1answer
49 views

How can I install pip for python 3.3

I have installed python 2.7 and python 3.3 on server and now I need to install pip for python 3.3. Here's what I have tried so far: sudo apt-get install python3-setuptools sudo easy_install3 pip ...
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13 views

error on installation of openjdk7

Im trying to install openJDK7 on ubuntu 12.04. I have a folder with all the *.deb files that openJDK7 needs when I try to run the command sudo dpkg -i *.deb I get this error in the end of the process:...
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21 views

How to install iproute2 in 12.04

I recently wanted to try ExpressVPN on my laptop running 12.04 32bit. The ExpressVPN app did not install because it depends on two packages which were not available, init-system-helpers and iproute2. ...
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1answer
25 views

Why my .bashrc has error?

I added this path to .bashrc file . export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 export HADOOP_INSTALL=/usr/local/hadoop export $PATH=$PATH:$HADOOP_INSTALL/bin export $PATH=$PATH:$...
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3answers
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Fixed IP address reset everyday on Ubuntu Server 12.04

I successfully managed to setup a fixed IP address on my server running Ubuntu Server 12.04 by editing /etc/network/interfaces : auto lo iface lo inet loopback iface eth0 inet static address 192.168....
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12 views

How do I get a Canon ImageRunner 1133a working on 12.04?

Using the default driver in ubuntu 12.04 for the Canon ImageRunner 1133a results in no printing comeing out and no errors displaying... I tried using the drivers on the canon website for this model ...
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8 views

ubuntu Upgrade and odoo

Does upgrading ubuntu from 12.04 to 14.04 affect the normal functionality of the odoo 8.0 ?? I work odoo using eclipse and run the server via command ./openerp-server