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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How can I install Origin software

I need to install "Origin" software for graph plottings, analysis, etc. It is basically windows supported. But I have installed WINE, thereby installed few windows supported softwares and using it. ...
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1answer
16 views

Upgrading Ubuntu will require reinstalling Matlab and mtrack?

I have Ubuntu 12.04 LTS. I am considering upgrading to Ubuntu 14.04 LTS. I already read a similar post about it: Is it necessary to upgrade to 14.04 LTS or can I stand in 12.04 LTS forever with no ...
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5 views

how to change default lan connection in ubuntu 12.04 server

I want to change eth1 as default connection but in my server the default connection is eth0. To change default lan connection in ubuntu 12.04 server please help me.
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5answers
40k views

How to install code block?

I am using 12.04 64 bit ubuntu and I want to install Code Block IDE please guide me ? Is there any repository ?
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2answers
10k views

Cannot see shared folder in /mnt/hgfs

I am trying to share a folder between Lubuntu 13.04 (in VMware player) and Windows 7 64 bit. I followed a tutorial till step 16. I typed a command and saw nothing. I also went into the /mnt/hgfs ...
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1answer
32 views

Slept updating ubuntu

I've been using Ubuntu for quite some time now and I absolutely love it. I recently purchased a laptop (Dell Inspiron 15r 3542) which is supported by Ubuntu, and have pre-istalled ubuntu 12.04. So, it ...
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5answers
45k views

How to install h.264 decoder?

I tried playing videos in movie player but only the audio could be heard. I tried playing the video with dragon player but here also only the audio could be heard. A message box appeared showing the ...
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5answers
3k views

Break Reminder for Ubuntu?

What is the best software for Ubuntu to remind us to take a break for our eyes (like EyeLeo in Windows).
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1answer
11k views

Do additional language packs need to be downloaded?

I'm installing Ubuntu (12.04) right now. I wanted to know if additional language packs have to be downloaded because my Internet is very slow. I chose English as my language.
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1answer
21 views

Set clang-3.8 as default

I have installed clang 3.0 and clang 3.8: $ sudo update-alternatives --config clang update-alternatives: error: no alternatives for clang. How can I set 3.8 as /usr/bin/clang?
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2answers
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How do I regain access to my encrypted home directory after changing my password?

On 12.04 LTS x64, I changed my user password via the User Accnts tool. After that I was unable to login again with my new password since my home directory is encrypted and the above-described bug does ...
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1answer
4k views

Package 'lib32ncurses5-dev', 'lib32z1-dev' has no installation candidate [NOT a duplicate, I tried all soution posted here]

I'm trying to build blink(content_shell) on Ubuntu 12.04 32bit and I am stuck on build/install-build-deps.sh. I think I have tried every single solution that I found on stackoverflow Error Log: It ...
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2answers
5k views

Difficulties installing D-Link DWA-182 Drivers for Ubuntu

When will Ubuntu have these drivers available for download? Seems the Drivers for DWA-182 were released on 06/17/2014. They are for Linux! However, I just don't know how to install them and I have ...
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5answers
8k views

Huawei 3G modem disconnects after successful connection

I'm having a severe connection problem in Ubuntu 12.04 that renders the OS almost useless. I have a Huawei E352 3G modem. Ubuntu detects it as a mobile broadband connection without any problem. I ...
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2answers
4k views

Create FTP users with limited access only to home directory Ubuntu 12.04

I'm having Ubuntu 12.04 server and I have installed VSFTPD service for FTP. I'm trying to create a FTP user who has access only to /var/www/ directory and all permissions for sub-directories. ...
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3answers
9k views

Autostart conky in XFCE

i want to autostart Conky in Ubuntu 12.04 / XFCE. I tryed to start this script with "automatic starting applications" in sessions options: sleep 6 conky But it does not work.
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0answers
14 views

12.04 apt-get maybe broke apache2

Our hub server runs 12.04 with apache2. Friday it was OK. Saturday night I did apt-get update and upgrade. I noticed there was a new apache2. Well, now the server is busted. All I get is Connection ...
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0answers
31 views

New update came out and messed up my world

A few months ago an update came out. I was running 14.04 LTS and the update crashed my system. I had to revert to 12.04.5 and lost all my files in the process. I would like to upgrade/update but it ...
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0answers
12 views

USB ports all stopped working

I have an Acer E5-571-74F7 running Ubuntu 12.04.5. Recently all the USB ports stopped being recognized. lsusb shows nothing installed in any of them. Headphones, flash drive, logitech mouse. All ...
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1answer
4k views

How do I update to Ubuntu kernel 3.13.0 on 12.04 LTS without breaking the Nvidia graphics driver?

I'm running Ubuntu 12.04 "LTS" on a Lenovo W530 (Nvidia Optimus architecture) and updated the kernel to 3.13.0-32-generic as the version of the kernel I was running was going out of support, 3.5.0-52-...
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0answers
9 views

Ubuntu 12.04 boot up

I have an old Lenovo that was running 14.04. It crashed. I put in a new hard drive and tried to install 16.04 but it wpouldn't take the dvd. I finally ended up installing 12.04. Everything went fine ...
5
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1answer
5k views

Run Ubuntu on an iMac G5

I have an old iMac G5 (without a webcam) that I would like to get running Ubuntu. The iMac has no hard drive in it, and I would like to get a live CD running so I can test out Ubuntu before I buy a ...
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0answers
16 views

Issues with downloading

unfortunately im not particularly experienced with ubuntu as ive only ever used windows but my laptop has been set up with ubuntu for work. Whenever i try to download any type of software from either ...
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0answers
13 views

Ubuntu 14.04 screen automatically scrolling down

I have removed windows 7 and installed ubuntu 14.04 in my system. I observed that all the screens like browswe, writer, editor, any menu list automatically scrolling down. down arrow kay also not ...
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1answer
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how to install libmysqld-dev on ubuntu 12.04?

When I enter the command: sudo apt-get install libmysqld-dev I get this message: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could ...
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4answers
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Broadcom card-reader BCM57765/BCM57785 doesn't work on ubuntu `12.04 LTS

I'm having a hard time with this one. I have an ACER ASPIRE ONE 756 and installed Ubuntu 12.04 LTS on it. Everything works (with a little tweaking here and there), but unfortunately the build-in ...
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2answers
5k views

How can I create a simple debian package from binary?

I have been researching debian packaging, but I can't seem to figure out how to package a C# mono application made up of a single executable and a few resource files. Can anyone help me figure out? ...
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3answers
10k views

How to install again Update Manager after uninstalling it

I tried asking many times on few Ubuntu forums how to deal with my non-responsive Update Manager, but all I was getting was the same stuff (run it from the terminal, run some lines, apt-get update ...
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2answers
1k views

Need help “sudo: add-apt-repository: command not found”

There are lots of "add-apt-repository" posts out there, but I think I have seen and tried the solutions in most of them. I am trying to install Java on Ubuntu Server 12.04. Some searching lead to the ...
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3answers
33k views

Re-enable graphical root-login on 12.04 LTS

On Ubuntu 11.10, I enabled the graphical login as root by (at least I think so) running sudo passwd After upgrading to 12.04 LTS, the graphical option has gone, while su in the Terminal is still ...
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1answer
4k views

How to install a Brother MFC-5890CN scanner/printer

I had my Brother MFC-5890CN scanner/printer working with Ubuntu 10.*. Now that I have upgraded to 12.04 LTS, the printer is still working but my scanner fails.
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7answers
28k views

Default screen magnifier?

I'm trying to get an Ubuntu laptop functional for a visually impaired friend. Her impairment is such that a screen magnifier would solve the issue. I've tried out Kmag (as its the only hit when ...
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3answers
4k views

No sound on laptop speakers on an Acer Aspire 6920

Computer: Acer Aspire 6920 Card: HDA Intel Chip: Realtek ALC889 My problem is that the laptop build-in speakers don't play any sound. When i plug in my headphones the sound works normally, the same ...
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2answers
4k views

How do install Ubuntu over Windows7?

I have successfully installed Ubuntu 12.04 but I didn't see the windows outlined by the numbered installation walk-through: http://www.ubuntu.com/download/desktop/install-desktop-long-term-support I ...
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1answer
24 views

Fragmentation of files [duplicate]

I am seeing declines in performance. Is there a disk or file defragmentation utility for Ubuntu? If so, where can I get it? Thank you.
0
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1answer
4k views

Can't control connection bit rate using iwconfig with Atheros TL-WN821N (AR7010)

I'm trying to reduce the connection bit rate on my Atheros TP-Link TL-WN821N v3 usb wifi adapter due to frequent instability issues (reported connection speed goes down to 1Mb/s and I have to ...
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List or print start and end address of GPT (GUID partition tables) in ubuntu 12.04 [closed]

Topic: List or print start and end address of GPT (GUID partition tables) in ubuntu 12.04 Description: I am able to list the start and end address of MBR partitions. For example by using the command ...
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0answers
12 views

Ubuntu: Application not visible after launch

I work with two monitors but currently I switched to one because when I am click Postman application it seems to launch - on launcher (I have unity on Ubuntu 12.04) it is marked as running but its ...
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0answers
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Bluetooth headset problem in Ubuntu (Ausdom m04 with bluetooth 4.0)

I have a bluetooth headset (Ausdom m04). At first, I couldn't set up the device as the laptop couldn't find the device. Then, after a couple of hours, I managed to connect it but there was no sound. ...
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2answers
1k views

Unity: Nautilus folder opens in background

I am used to open a folder from the keyboard with a shortcut. The alternatives are: Use Unity Dash with the shortcut SUPER + F to open the Dash File Lens Open Kupfer with the configured shortcut (...
5
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8answers
53k views

How do I adjust the screen brightness on an Acer Aspire One D270?

My system specifications are: Ubuntu 12.04, 64-bit, Acer Aspire One D270, Intel Atom CPU The usual brightness increase/decrease key combination using Fn key doesn't work in Ubuntu as many pointed out....
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2answers
3k views

How to suppress or disable the shutdown option from indicator menu or shutdown dialog?

My goal is to allow user only to restart the system, and deny any shutdown (suspend, hibernate). I am running unity-2d. I 've managed to deny suspend and hibernate with polkit policy files like ...
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2answers
4k views

Epson TM-T88IV not printing from Firefox/Chrome — Ubu 12.04

I'm using a procedure successfully used with Debian 6 and Ubuntu 10.04 - 11.04. Get drivers from Epson POS Drivers apt-get install cups libusb-1.0-0 libusb-1.0-0-dev unzip TM\ BA\ Series\ Thermal\ ...
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2answers
4k views

sudo apt-get not working after a new install of ubuntu

I installed ubuntu last night. And after reading 100s of posts, I still couldn't make my sudo apt-get work at all. I remember, I have to modify the software server somehow. But I can't remember how or ...
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2answers
4k views

Ubuntu 12.04, xbmc, opengl, intel motherboard

I've got an HTPC that I built myself, with a Asus P5G41T-M Motherboard. It's got an on-board HDMI port, and I've been using that with no problems. I started out with Mythbuntu ( an older version ), ...
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7answers
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How do I allow non-root access to /ttyUSB0 on 12.04?

Since I updated from 10.04 to 12.04, I am unable to access the device connected in /ttyUSB0 if I don't have root access. To be more specific, I use a usb-to-serial com port converter to access and ...
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3answers
49 views

Does apt-get update keep Ubuntu version unchanged?

If I have an old version, say 12.04 LTS, installed on my little rooted tablet, and never want to upgrade the version (14.04 is big and XCB window response is sluggish), can I run apt-get update on the ...
0
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1answer
71 views

Unable to connect to WiFi after the upgrade to Ubuntu 14.04 LTS

I was previously running Ubuntu 12.04.5 LTS and have just upgraded to Ubuntu 14.04 LTS, and after the upgrade my WiFi driver is no longer working. I know that is vague, so for further insight what I ...
0
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1answer
5k views

How to upgrade Xampp to the newest version

This might seem like a silly question but by golly I've tried and tried for a whole week and no results. I don't know if it's something wrong with my queries, or too much "Install Xampp" clutter in my ...
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2answers
3k views

Grub on start up changed color from purple to black?

A while ago, i reinstalled 12.04 on my computer and a few day later when My system restarts after updating itself, the grub is no longer purple. It is just black and I didn't change anything that ...