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
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0answers
15 views

Proper way to delete an active/inactive LVM snapshot?

I am creating a script file for removing extra LVM snapshots from the system. For removing LVM snapshot we are using lvremove command. It is working fine and we can remove snapshots from the ...
0
votes
0answers
19 views

How to install BOOT REPAIR in ubuntu 12.04LTS without CD

Please tell me how to install Boot Repair without any CD and Terminal Command.Please provide simple way to install it and tell me after installing boot repair where it is located and how to use it. I ...
0
votes
0answers
21 views

unable to install/recover jenkins after upgrading from ubuntu 12.04 to 14.04

I did an upgrade of Ubuntu from 12.04 to 14.04 and was surprised to discover that my earlier installed and configured jenkins is broken. To add to the misery, if I do an apt-get install jenkins or ...
3
votes
3answers
10k views

openssh-server package not available on 12.04.2

I have just done a fresh install of 12.04.2 and found out that i could not ssh to this PC. I tried to install openssh-server but it said that "Package openssh-server is not available..." What is ...
0
votes
1answer
237 views

Updating from 12.04 to 14.04 - Autolaunch error: X11 initialization failed

I'm attempting to upgrade my work machine from 12.04 to 14.04, but having issues. sudo update-manager -d: ** (update-manager:20416): WARNING **: Command line `dbus-launch ...
0
votes
1answer
47 views

Ubuntu 14.04 upgrade problem

Yesterday I decided to do the upgrade. Little did I know, I got a black out, the upgrade was interrupted and the rest is history. Now I am facing the following issues: 1) No GUI when I open up the pc ...
0
votes
1answer
15 views

Make Home folder accesible to different installations

I just installed 14,04 next to 12,02 and I want to copy my home folder from my previous installation to my new one. I get permission errors (cannot read files). How to change that? Thanks.
0
votes
2answers
3k views

How can I get my built-in microphone to work on a Lenovo G770?

I am dual booting Ubuntu 12.04 on a Lenovo G770. The internal mic works fine in Windows 7. The mic is recognized and unmuted, but it just isn't detecting any sound. I tried messing around with ...
1
vote
1answer
167 views

Application to show Uptime on Desktop?

i was wondering if there is an application that shows UPTIME on the desktop, something like a desktop widget.
0
votes
0answers
4 views

Sub-process /usr/bin/dpkg returned an error code (100)

I executed the command sudo apt-get install ros-fuerte-openni-camera ros-fuerte-openni-launch and I am getting this error : 0 upgraded, 32 newly installed, 0 to remove and 2 not upgraded. Need to get ...
4
votes
6answers
4k views

Clocks for multiple timezones in Gnome 3.4 (Ubuntu 12.04)

I looked everywhere but I couldn't find a way to display multiple clocks in Gnome 3.4 that ships with Ubuntu 12.04. In classic Gnome and Unity, it is possible. Also, for some strange reason, ...
7
votes
2answers
11k views

How can I install Unity in Kubuntu 12.04?

I'd like to try Unity, but I'm running Kubuntu 12.04 (64-bit). How I can I install the Unity desktop environment? I tried "sudo apt-get install unity", but after installation and choosing "Gnome" ...
0
votes
0answers
26 views

after upgrade to 14.04 kernel remains 3.2.0

I upgraded from 12.04 to 14.04.1 using the update-manager. During the upgrade there was an error about emacsen-common and I do not overwrite the file menu.lst. After the upgrade lsb_release -a gives ...
2
votes
1answer
34 views

ssh process started by default

As soon as log into the system, I can see the following ssh processes. root 1899 1 0 12:35 ? 00:00:00 /tmp/.sshdd1407654346 root 1904 1899 0 12:35 ? 00:00:00 ...
-1
votes
0answers
19 views

USB mice won't work Any version of ubuntu(went to super user as its off topic here sorry and will delete tommorrow) [on hold]

My USB mouse wont work on my laptop. Its a hp pavilion g6 core is a AMD a6. I tryed multiple usb mice with no luck and even ran in windows and they aren't working. But The mice worked before. And ...
1
vote
2answers
5k views

Ubuntu Server 12.04, Wifi problems

When I installed Ubuntu Server 12.04, I selected the ethernet adapter because I will use that most often; however, I would like to use wifi sometimes as well. This is how far I've gotten with this ...
2
votes
1answer
49 views

Is Ubuntu 14.04 slower on low-end graphics cards than 12.04 LTS?

I started upgrading to Ubuntu 14.04 (from 12.04) when it said that if I installed it, it might make me have a "slow environment" because of my graphics card. I cancelled the upgrade because of my ...
0
votes
0answers
18 views

Tracking IP's that access the server?

I am running Ubuntu 12.04 with ISPConfig and SMF Forums I would like to keep a log of all the IP's that are accessing the server What would be the best / easiest method to do so? (not a linux guru, ...
1
vote
2answers
2k views

How to install dssp (secondary structure assignments) under 12.04?

I am trying to install dssp on ubuntu 12.04. I am new to ubuntu. I tried this sudo apt-get install dssp Please give suggestions.
1
vote
2answers
6k views

How do I access files on my Windows partition from Ubuntu?

I'm new to how Ubuntu works and installed it yesterday alongside Windows 7, but in doing so I have created a few problems. I have partitions for Windows, Ubuntu, System Recovery, and storage for all ...
0
votes
0answers
14 views

Ram not recognized

I have an HP 255G1 laptop with Linux preinstalled. It came with 2 gb ram and as of late I installed another (HP certified) memory module, and now I should have 4 gb ram BIOS sees it, memory test ...
29
votes
4answers
73k views

Unable to correct problems, you have held broken packages

After upgrading from 10.04 to 12.04 I am trying to install different packages. For instance ia32-libs and skype (4.0). When trying to install these, I am getting the 'Unable to correct problems, you ...
2
votes
2answers
708 views

Upgrading from 12.04.3 LTS to 14.04.1 LTS failure

This has probably been asked millions of times already, but I'm struggling to update my Ubuntu system from LTS to LTS, now that the upgrade to 14.04.1 is out. My system keeps notifying me to upgrade ...
1
vote
1answer
92 views

Hibernation error - Could not write byte: broken pipe

Suddenly, right after "turning on" my ubuntu 12.04 from hibernation, there was an error Could not write bytes:broken pipes which led to a black screen so I had to reboot. After rebooting, I got ...
1
vote
1answer
106 views

Can I run Ubuntu 12.04.5 with 3.8 kernel and still have kernel security updates?

My 12.04 is asking me to update the HWE layer, but when I've made it last time all my VM stopped working correctly because of a bug in the 3.13 kernel. So I have reinstalled a clean 14.04 but the KVM ...
0
votes
1answer
66 views

How to downgrade HWE?

I was running Ubuntu 12.04 LTS and was accepting all suggested upgrades. About a week ago I was prompted to upgrade the Hardware Enablement Stack because it was going out of support. So I did and I ...
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votes
0answers
24 views

After installing 12.04.5 HWE having major video problems

Everything on the system was fine. Graphics were good. Then I suddenly a few weeks ago got a warning that I needed to update to 12.04.5 HWE. I looked for what it did, but only got vague answers. I've ...
1
vote
1answer
4k views

no sound in Ubuntu 12.04 and /dev/dsp does not exist

Computer isn't playing audio. I've checked the hardware volume buttons, pavucontrol, and alsamixer. Nothing is muted. I've added the ppa sudo add-apt-repository ppa:ubuntu-audio-dev. I've also done ...
0
votes
0answers
13 views

crash in eclipse 3.7 (Indigo) after upgrading from 12.02 to 12.04 [on hold]

I use eclipse with plugins for editing WebObjects' WOComponents. (http://jenkins.wocommunity.org/job/WOLips37Stable/lastSuccessfulBuild/artifact/temp/dist/) I was having no problems at all with ...
0
votes
0answers
21 views

login sound not working in ubuntu 14.04 after a update

I installed Ubuntu 14.04 the login sound was working but now for the past 2 weeks it is not working I have tried using Ubuntu tweak today to turn off the login sound and turn it back on but it did not ...
0
votes
0answers
8 views

Ubuntu 12.04 cannot start after installing bumblebee

My laptop is Dell N5110. It has 2 graphic cards: Intel and Ndivia. Yesterday I installed bumblebee. After installing and reboot, my laptop cannot start anymore. I get some error messages on my screen ...
0
votes
0answers
16 views

No Downloads, Documents, … folders in Home folder after installing dvsdk

Today I have installed dvsdk package in Home folder. For installing i have changed the mode using chmod 777 and executed ./[package_name]... After that, it asks where to install, I chose home ...
1
vote
1answer
3k views

Dual Screen will only mirror after 12.04 upgrade

I have been using Ubuntu with a dual screen for years now, after upgrading to 12.04 LTS i cannot get my dual screen working properly Graphics: 01:00.0 VGA compatible controller: Advanced Micro ...
0
votes
1answer
46 views

Cannot enter ubuntu graphical environment after update

I was using ubuntu 12.04 LTS version and everything was working fine. Yesterday I decided to update using the option in the update manager to ubuntu 14. Everything went smoothly in the installation ...
0
votes
0answers
132 views

Ubuntu 12.04 problems with mysql

I use Ubuntu Server 12.04 for my Django project. On my local PC there is no errors and etc. Sometimes on server I have error: ERROR 2002 (HY000): Can't connect to local MySQL server through socket ...
0
votes
1answer
43 views

Can't upgrade from 12.04LTS to 14.04LTS

I am trying to upgrade to 14.04.1 LTS. It is showing: You have to download a total of 137 k. This download will take about 4 seconds with your connection. Installing the upgrade can take several ...
4
votes
1answer
2k views

Ubuntu 12.04 login screen flickers. “Could not write bytes: broken pipes”

I use Ubuntu 12.04 x64 with a dual-boot setup. Yesterday it worked fine but this morning when I attempted to boot it gets to the login screen and then it just flickers, alternating between the login ...
2
votes
3answers
6k views

“Wired Network Disconnected” even when connected- no ethernet connection possible

I am unable to connect to the internet via ethernet or wifi. Let's fix the ethernet issue, eh? I just installed Unbuntu 12.04 on an HP Mini 1000. Previously it had 11.04, and the ethernet didn't ...
4
votes
4answers
1k views

Can I dual-boot in VirtualBox?

I use Windows 7. I also run Ubuntu 12.04 in VirtualBox. The other day I wanted to try Lubuntu. Is there a way to dual-boot Ubuntu 12.04 and Lubuntu in VirtualBox?
2
votes
3answers
140 views

Is it necessary to upgrade to 14.04 LTS or can I stand in 12.04 LTS forever with no problem?

I'm using Ubuntu 12.04 LTS, and although I would like to upgrade to 14.04 LTS, I don't want to have any troubles after upgrading. For example, I don't know if I can no longer use some of my software ...
0
votes
0answers
28 views

weird behaviour

I am using the Ubuntu 12.04 Precise Pangolin, from past few days I am observing a strange behaviour with my ubuntu server. Let me give you a brief introduction to my server. Installed Softwares and ...
1
vote
0answers
8 views

Highly distorted sound on stereo but headphone gives perfect output

I am struggling with the audio output of my laptop that's running 12.04 LTS. It was all fine till yesterday. I played the spotify in the web player and abruptly the sound just reduced and I couldnt ...
0
votes
0answers
68 views

no GUI after install

This question has been asked in here before: Unity doesn't load, no Launcher, no Dash appears But none of the answers solved my issue. In the compizconfig-settings-manager Unity and OpenGL are ...
1
vote
1answer
2k views

Ubuntu 12.04 GUI does not start on boot, hangs on purple loading screen with Ubuntu logo and five dots

It started like this: I wanted to install Adobe Reader (.bin file) via Terminal. After I created a folder for installation files and started the whole process I suddenly realized that I don't even ...
0
votes
2answers
47 views

Fully scan and clean broken installations in Ubuntu 12.04

I have gone through the Dist Usage Utility in Ubuntu and I deleted some folders here and there in my Desktop and also in my Downloads. These included some software packages I had installed ...
3
votes
1answer
5k views

Can't switch between Console mode and GUI

I'm new to Linux/Ubuntu and experiencing the following problem: I start my computer, and get to the GUI where I can login. When I click Ctrl+Alt+F1 I will get to the first of the consoles, everything ...
1
vote
2answers
2k views
+50

Ubuntu 12.04 Realtek RTL8188E Wireless Card Not Detected

I have Ubuntu 12.04 (WUBI) on my Toshiba Sattellite. I have a Realtek RTL8188E Wireless LAN 802.11n. The internet works fine when I plug it in using a ethernet cable, but my laptop doesn't even ...
0
votes
0answers
22 views

how to download UBUNTU version 12.04 lts direct download

how can i download the UBUNTU version of 12.04 LTS ? please give me the direct link. i tried searching but all search results ends at 14.04.1 LTS download. which i don't want now (will download ...
0
votes
0answers
5 views

Status of dependencies upon update

I'm currently running 12.04.5, the 64 bit version. Now, I have a few projects and for them I have a number of dependencies installed. I'm thinking of an upgrade to 14.04, but I'm worried about the ...
0
votes
2answers
267 views

high CPU usage on Ubuntu 12.04

I just installed Ubuntu 12.04 on my Asus k53s notebook. Processor is Intel® Core™ i5-2410M CPU @ 2.30GHz × 4 5.7 GiB RAM. The CPU usage gets very high after a while, specially when using internet. ...