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.

learn more… | top users | synonyms (9)

0
votes
0answers
28 views

UI is smoother with Nouveau than with Nvidia proprietary drivers

I have been having this problem with every Ubuntu version since 12.04 (the older version I have ever installed in my laptop). With Nouveau drivers everything is fine, the UI is smooth as h3ll, BUT ...
1
vote
1answer
5k views

Validity Fingerprint Sensor not detected

I have a VFS471 Validity Fingerprint driver that is not detected in my HP Probook 4530s. Can someone help?
1
vote
0answers
47 views

Problem with Updater & Software centre : Ubuntu 12.04 LTS, Reading package list fails when I apt- update

I recently was runnning the auto updater and I got the red circle with a white line within saying: A problem occurred when checking for updates After reading a few of the forums here, I tried to ...
1
vote
1answer
3k views

Cannot boot from USB - HP Envy

I'm having a little bit of a problem right now... I am trying to install Ubuntu, whether it be the 12.04LTS or 13.10, but I can't seem to get my PC to even run into my bootable USB. I am trying to ...
2
votes
2answers
5k views

Nvidia Powermizer Performance Levels

Is there anyway to configure Nvidia Powerimizer performance levels? My current setup has 3 power levels with the lowest one being 50mhz. The problem with this it that it lags compiz when it goes to ...
6
votes
2answers
3k views

Can't get the right colors in gnome terminal

I want to use a base16 colorscheme from here. The steps I followed: cloned the repo ran the scripts changed the terminal profile to base16-default (which did change the colors) This is the result ...
0
votes
1answer
34 views

A huge apt log file from failed upgrade - what went wrong & how do I fix it?

When attempting to upgrade from the 12.04 to a newer LTS it seemed to hang for ages (a good day or two) on "preparing for upgrade" and then the whole system started to suffer. Eventually I rebooted ...
3
votes
1answer
46 views

Is it safe to remove old vmlinuz.* files from /boot

In /boot there are a lot of vmlinuz.* files going back 4 years. Is it safe to remove some of these? Edit: Most seem to have congig-3.* and System.map.* files to go with them. I would probably want to ...
0
votes
1answer
51 views

Bluetooth: can't load firmware, may not work correctly -ubuntu -12.04

Ubuntu 12.04 Bluetooth is not searching an device dmesg | grep Blue [ 11.005902] Bluetooth: Core ver 2.17 [ 11.005919] Bluetooth: HCI device and connection manager initialized [ 11.005978] ...
0
votes
1answer
1k views

Lenovo 3000 N100 WiFi not working even after driver update

I have a Lenovo 3000N100 which has WiFi card/drives that are not working. I have tested the card with Windows and it works. Tried un-installing the card in 12.04.1 and re-installing it even with a ...
2
votes
2answers
6k views

How to configure VNC on a remote Ubuntu server?

I am currently in the process of creating a Ubuntu server with Rackspace cloud and I am trying to configure this server for VNC over SSH on my MacBook Air. Here is a summary of what I am trying to ...
1
vote
0answers
463 views

Dual Boot with WUBI Installer - reinstalling Windows

I have installed Ubuntu using a Windows installer - Wubi - as a dual boot with Windows 7. Now I would like to reinstall Windows 7. Is there any chance to retain Ubuntu? Any tweak available to make it ...
0
votes
2answers
40 views

ERROR: 32-bit Linux Android emulator binaries are DEPRECATED

When I start the ADV Android emulator I get the following error: ERROR: 32-bit Linux Android emulator binaries are DEPRECATED, to use them you will have to do at least one of the following: ...
4
votes
4answers
7k views

Workaround for volume settings going to maximum after reboot

I recently upgraded my Dell E6510 laptop to 12.04 (Ubuntu with Unity). I've noticed that after every reboot, the volume always resets itself to a maximum level. While I try to work out whether this ...
0
votes
3answers
527 views

USB barcode scanner reading incorrect values

We use an barcode reader. It runs on Ubuntu but reads different character. example: In barcode: 86912464 Ubuntu read as: 3~3~BDBCD here is my xinput list ali@ali-samsung:~$ xinput list ⎡ ...
0
votes
1answer
70 views

Trouble installing CouchDB on Ubuntu 12.04

I got it off the ubuntu software center and it seems to install ok. I navigate to http://localhost:5984/ and get : :( No data received In terminal I do a curl 127.0.0.1:5984 and get curl: ...
0
votes
3answers
4k views

sudo pecl command not found

I'm using ubuntu 12.04 I installed php pear using this command sudo apt-get install php-pear php5-dev I got this results Reading package lists... Done Building dependency tree Reading ...
-1
votes
0answers
19 views

libx264 core dumped

I have error "core dumped" when i run : ffmpeg -i /var/www/vumila/tester/test.avi -strict -2 -vcodec libx264 -s 640x360 -threads 16 -movflags faststart test.mp4 and the full error shown is: Input ...
2
votes
1answer
303 views

How to copy & paste from Windows 7 host machine to Ubuntu 12.04 terminal virtual box ??

I am running VirtualBox on my Windows 7 laptop, running an Ubuntu 12.04 Server as guest machine. I would like to copy some commands (which are too long to write on terminal) from Windows 7 (host ...
0
votes
1answer
3k views

Error! Bad return status for module build on kernel: 3.8.0-37-generic (x86_64)

After updating some packages in my machine (using aptitude), I got the following error: Error! Bad return status for module build on kernel: 3.8.0-37-generic (x86_64) Consult ...
6
votes
3answers
7k views

Access denied error while mounting a shared folder?

I am a linux newbie and I have a very basic question. I have three machines - machineA 10.108.24.132 machineB 10.108.24.133 machineC 10.108.24.134 and all those machines have Ubuntu 12.04 ...
0
votes
0answers
19 views

Update to 14.04 lts DNW [duplicate]

I am having a problem installing 14.04 LTS . I get a black screen at start up. I believe the problem is with the graphics card driver. I have nVidia GeForce 7300LE I have been running 12.04 for the ...
0
votes
0answers
14 views

How to redirect the output to a log file from upstart script?

I am using upstart to start/stop my c++ app server as shown below - start on runlevel [2345] stop on runlevel [016] chdir /opt/tetra/app_server respawn post-stop script sleep 30 end script ...
0
votes
1answer
3k views

Turn off MySQL --skip-grant -tables

I reset my root mysql password with the following instructions: (Works for Ubuntu as well) http://www.debian-administration.org/articles/442 But now I can't turn off mysqld_safe --skip-grant-tables. ...
2
votes
2answers
2k views

Can't start an application as service, but running as standalone process simply works

For a service although a pid file exists but still on attempt to start service, it fails saying $ sudo service cassandra start * could not access pidfile for Cassandra I verified folder ...
0
votes
1answer
33 views

Low resolution after upgrading from 12.04 to 14.04

I was running 12.04 LTS and clicked on Upgrade to 14.04 LTS. My screen now shows only a white window in the middle of the screen saying: The system is running in low-graphics mode Your screen ...
0
votes
1answer
8 views

How to use a never library on Ubuntu 12.04

I run Ubuntu 12.04 on my laptop and I have originally installed libxcb version 1.8.1 from package, but I need a newer version, because I need it to use the new mesa. I have compiled it from git with ...
0
votes
0answers
12 views

Why is my ubuntu12.04.3 mirror able to be used in notebooks, but not on the desktop?

I have successfully used EasyBCD to install Ubuntu on my notebooks with my ubuntu12.04.3-desktop-amd64 mirror. However, when I used the same procedure on my desktop, it didn't work. Specifically, ...
0
votes
1answer
25 views

Mount Ubuntu server directory onto local Ubuntu machine, access via terminal

I'm working locally on an Ubuntu 14.04 machine and I often need to access an Ubuntu 12.04 server. I would like to mount my home drive on the server as a directory on my local machine. It is ...
0
votes
0answers
40 views

Open VPN and Dynamic DNS Solution

I'm looking for recommendations on the best open source solution for a dynamic DNS + VPN solution. It appears Open VPN is the best option for the VPN portion, but I am unsure of which open source ...
5
votes
4answers
37k views

Damaged SD card (badly unmounted?) How to fix?

First Off I'm using Ubuntu 12.04 on a laptop with a built in card reader. I have a sandisk 8Gig micro sd card that came with my HTC Desire HD phone. Unfortunately I had mounted it to a windows ...
-1
votes
0answers
18 views

X11 hangs, leaves me with black&white text display, Intel i915, precise1-Ubuntu [migrated]

I am running a Bodhi derivative Ubuntu, ("tainted") based on Precise, on an Acer Chromebook. After a system update, X11 dies, leaves me "hung" with text display. If I reboot in recovery mode, and ...
10
votes
3answers
9k views

Valgrind does debug error

I have been trying to follow the online tutorial for Learn C The Hard Way. However after setting up valgrind (I followed other links that help setting up valgrind on ubuntu 12.04), when I try to ...
0
votes
3answers
6k views

Ubuntu 12.04 nomodeset fixes boot problem but causes screen resolution to get stuck

I've been searching the askubuntu forum for the past 3 days trying to figure out what's going on with my system and I have tried a lot of things but to no avail. So, I will explain my situation and ...
2
votes
1answer
4k views

Dock bar, maximize, and minimize buttons disappeared after doing a “reset to defaults” in CCSM

Recently i installed compiz configuration manager after that i went to unity under that and clicked "reset to defaults". This caused the dock bar to disappear and also close maximize and minimize ...
1
vote
1answer
5k 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
19 views

Iptux is not working

I'm using Ubuntu 12.04. with iptux (version 0.5.3) for communication purposes. My problem: Person1 sends a message->I received a message seen and closed it. Person1 sends a message again and my ...
0
votes
0answers
14 views

Keyboard stops working randomly

Ubuntu 12.04 My Laptop's keyboard stops working randomly for some reason (before now I used it for years and nothing like this happened). Everything else works fine, I even can call screen keyboard ...
0
votes
1answer
29 views

copy - text functionality is broken in 12.04

Copy and paste some text between apps, broke the pasted app. When I restart the system, it is working as excepted, but after a time It starts to fail again. Which application is responsible for ...
0
votes
0answers
28 views

wicd reconnection problem on beagleboard ubuntu12.10

I am using wicd 1.7.2.4 for connecting ethernet and wifi.when the network connection lost it did not reconnect automatically.I am already enabled the 'automatically connect to this network' option in ...
1
vote
3answers
3k views

Internet Timeouts with TP-Link TL-WN821N wireless usb stick - existing solutions dont work

I'm running Ubuntu12.04 and I'm trying to get a TP-Link TL-WN821N to work. The solution from Internet Timeouts with TP-Link TL-WN821N v2 wireless usb stick didn't work for me. Neither has anything ...
0
votes
0answers
23 views

How to PXE network boot a Ubuntu Server 12.04 using HTTP

I have a task to PXE install Ubuntu servers by HTTP, so I find the tutor in PXEInstallServer and KickstartCompatibility and set my PXE server as it said. Then I open a test client and which can get a ...
0
votes
1answer
176 views

How to share ubuntu laptop ethernet to android 4.2.2 via usb?

I am using Ubuntu 12.04 laptop and 4.2.2 android phone. My phone cannot show ad-hoc network from my Ubuntu sharing network. So now I try to connect internet via USB from computer. I've seen this ...
2
votes
1answer
2k views

LAMP Server not working on Precise

I've installed Ubuntu 12.04 LTS Precise a few days ago. I tried installing LAMP Server as I've been done in last four Ubuntu versions, simply by using these commands: sudo apt-get install ...
3
votes
3answers
7k views

Windows 7 + Ubuntu 12.04 + Invalid EFI file path + Boot repair + Grub many entries

I've a ASUS N56VZ with Intel Core i7 - 3610QM, with Win 7 Home Premium x64 pre-installed. This computer come with EFI instead of the traditional BIOS. When I bought it, I had 3 visible partitions. C ...
0
votes
0answers
18 views

Obtaining address ap-hotspot

I've recently installed ap-hotspot in my ubuntu 12.04 machine, it was worked fine. Suddenly, i get the error as Obtaining address during connecting the WiFi. How should i solve this?
1
vote
2answers
40 views

Error installing Ubuntu on VirtualBox

I'm trying to install many different versions of Ubuntu (12.04/14.04, amd64/x86, server/desktop, etc.) on VirtualBox 14.3.26 on OSX 10.10 and I'm getting the following error: [ 0.000000] Fast TSC ...
1
vote
2answers
1k views

Unable to Delete Email Messages in Thunderbird

In Thunderbird 24.0.0 I am unable to delete emails using any of the following methods: Delete key Right click, Delete Message Right click, Move To -> Trash Manually dragging a message to the trash ...
2
votes
1answer
3k views

Ubuntu openGL issues

my OpenGL doesn't work at all i get Xlib: extension "GLX" missing on display ":0". lspci output 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family ...
3
votes
2answers
7k views

64-bit DB2 10.5 missing 32-bit libpam and 64-bit libaio on Ubuntu 12.04

This happened to me. If it's happening to you, maybe this can save you a bit of time. I was installing 64-bit DB2 10.5 server (not sure exactly what product package -- someone gave it to me) on a ...