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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“apt-get autoremove -y” CPU intensive

I remove "apt-get autoremove -y" commands to clean-up un-required packages.But it causes CPU spikes in system time. I have tried with nice and ionice too but didn't help. It can be solved by 2 ways:- ...
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9 views

Can't upgrade the system, dist. update stuck

I've just bought a Dell inspirion laptop , core i3 , 4gb ram , nvidia graphics (2gb vram) and it came with Ubuntu 12.0.4 LTS which is nice cuz i need it for programming. But when i run distribution ...
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ZTE USB dongle intermittent detection in Ubuntu 12.04

I trying to connect a ZTE modem to ubuntu 12.04 machine. The dongle is not getting detected as USB-serial modem all the times. #When detected ~$ usb-devices T: Bus=03 Lev=01 Prnt=01 Port=01 Cnt=02 ...
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2answers
27 views

Modify bashrc & .profile from safe mode

I have messed up .bashrc & .profile in ubuntu 12.04 LTS. Can I change it back to previous version from safe mode as I am not able to login to my system and I think this might be the issue
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10 views

Even correct password bounce back to login screen

I have ubuntu 12.04LTS os. If i login to my admin account with wrong password it shows invalid password error on ubuntu login screen. If i enter correct password it doesn't show any invalid password ...
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6 views

icon in launcher are scrolled up and they are not moving down

Screenshot, Please check top left corner I'm using Ubuntu-12.04. Icon in launcher are scrolled up and they are not moving/scrolling down. I do not want to restart my system. I've even tried ...
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0answers
16 views

udev rules to allow only one vendor and model USB drive but no others

So, we're working to set up an environment here where we have a secure storage setup on our Linux laptops, such that our Linux laptops can only connect a specific USB drive: a Kingston DataTraveler ...
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2answers
11 views

I am unable to set nfs block size to greater than 32kbps

I am using 12.04.4 and trying to connect to a NFS server which allows a blocksize of 64kbps, but the most I can set on the client side with mount.nfs is rsize/wsize=32786. I read that there is a ...
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1answer
54 views

I screwed up my Ubuntu (Novice user)

I'm a new user here and I'm also a Linux newbie. So last night I tried Ubuntu for the first time (kinda), and as I was getting the hang of it I noticed an option to update my OS to version 12.04, so I ...
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9 views

Touchpad doesn't work after Linux kernel update

Running 12.04 on Dell E6400. Touchpad worked fine just before doing the kernel update that was just pushed out. The Touchpad tab on settings is gone after update and rebooting. Rebooting again does ...
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9 views

Cannot sync ipod touch 4gen with rhythmbox

I desperately need help in syncing my ipod touch 4gen(ios 4.3.3)with rhythmbox(2.96)running Ubuntu 12.04LTS (64bit)I have tried nearly every single thing I've seen online for the past 2 weeks for a ...
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how to create bootable usb pendrive using “vmlinuz” image [on hold]

I have Vmlinuz image but don't know how to create boot able pendrive so that I can flash that image to my x86 board. Please let me know also how to create vzimage and .iso image from vmlinuz image in ...
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1answer
42 views

Why choose ubuntu 12.04 or 14.04 over other linux distros?

Trying to white up some notes on why we choose ubuntu over all the other distros out there but it would be good to know what the you guys think is the reason Does ubuntu 12.04/14.04 LTS have a longer ...
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10 views

Manage Client and Server in Ubuntu

I just stuck with the problem of Client Server Management with Ubuntu 12.4. Recently I have installed Ubuntu in couple of PC. Now i want to access one PC as Server and remaining PC's as Client. I ...
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1answer
21 views

Resize ext4 Partition to >2TB without data loss

Is it possible to resize an ext4 partition to >2TB without data loss? I added 1TB disk from a RAID 5 Hardware RAID (from 2TB usable to 3TB usable) fdisk command output: Disk /dev/sdb: 3000.5 GB, ...
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1answer
17 views

uninstalling Atlas properly

If you have error that contain “gfortran” in it, like this one: ImportError: ...
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0answers
11 views

Can the C: drive in WINE be put in the RAID 10 local to host Ububtu 12.04 LTS

really new to Ubuntu, and even newer to WINE. Is it possible to move the C: drive in WINE to use a Raid 10 array that is internal local to host non boot storage. I really want to keep the SSD boot ...
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15 views

Unable to insall libgtk2.0-dev on ubuntu 12.04

I am using opencv 3 on ubunut 12.04 and while displaying an image the error message asks me to build the library with libgtk2.0-dev. I tried sudo apt-get install libgtk2.0-dev but I get the following ...
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1answer
12 views

How to boot into recovery mode on Ubuntu on chromebook

When I set up Ubuntu on my HP Chromebook 14 again after breaking it, I forgot that the admin password had to be 4 digits and set it as 1 (the password was just 1) since I don't really need a password ...
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5 views

System goes to suspend mode on plugging out charging

I am using ubuntu 12.04 LTS. Whenever i plug out my charger, i see Low battery notification (even when my laptop is fully charged) and then my system goes to suspend mode. Please let me know if this ...
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30 views

Ubuntu 12.04: Disable TLS 1.0 for Apache2

I have an Ubuntu 12.04 installation with Apache 2.2.22-1ubuntu1.8 from the default repositories. I have to disable TLS 1.0 (leaving TLS 1.1 and 1.2 enabled) for this server. I am looking for the ...
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19 views

ORA-01460 unimplemented or unreasonable conversion requested

Hi I have recently installed Oracle SQL Developer Studio V 4.1.0.19 on Ubuntu 12.04. I launched the studio and connected to DB server via connection manager. describe TABLE_NAME SELECT * FROM ...
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15 views

apt-get cancel pending task

Hi I wanted to install Oracle JDK so followed the steps in the following SO page http://askubuntu.com/a/521154. The first two steps went fine but the entering the last step I am getting the following ...
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8 views

binary is able to run only when run after creating a symbolic link to it

I am facing a rather strange problem. I have a 32 bit qmake binary placed at a very deep path. So for ease of use I created a link using ln -s /complicated/path/to/qmake ~/qmake I am running a ...
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16 views

Ubuntu 14.04 Upgrade: Touchpad not detected

I did and upgrade to 14.04 from 12.04 and I have issues with my touchpad. Tried this: But not working Synaptic touchpad on laptop not working Output of xinput list as below ⎡ Virtual core pointer ...
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6 views

Xorg blocking a specific color channel

I'm curious as to whether it's possible or not to block a specific color channel or set of channels in Xorg. (I.e. Display only Red/Red and Green on the screen instead of Red, Green and Blue); ...
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4 views

Cannot use ds9 with

Problem with tcl. Please Help. %ds9 NGC613.fits Application initialization failed: Can't find a usable init.tcl in the following directories: ./zvfsmntpt/tcl8.5 /tmp/linux/saods9/lib/tcl8.5 ...
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1answer
14 views

Screen freezes (mouse still movable), goes to black, then goes back to what I was doing

So I was watching Youtube when the screen suddenly stopped. The sound worked, I moved the mouse around. The sound cut out, the screen went black. This also happens in some of my other thing I do, like ...
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1answer
31 views

How to make a bootable pendrive in command-line?

How could a Bootable USB Pendrive can be created using the Ubuntu command-line. Can we use a script for the same? Can somebody help on this?
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1answer
24 views

Whatsapp installation on ubuntu 12.04 PC

How to install whatsapp on a PC running on Ubuntu 12.04?
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12 views

ds9 check-B.fits ds9: error while loading shared libraries: libXft.so.2: cannot open shared object file: No such file or directory

I Am unable to use ds9. Can you please help? $ ds9 check-B.fits ds9: error while loading shared libraries:libXft.so.2: cannot open shared object file: No such file or directory
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How to run Redshift, and Redshift Plasmoid in Ubuntu 12.04?

Redshift briefly appears on the taskbar at startup or when run and pops out of existence. I've installed Redshift Plasmoid for a GUI, but I can't get that to run either, and won't show up when I check ...
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28 views

Some error messages while boot, after upgraded to 14.04 from 12.04

Recently I upgraded to 14.04 from 12.04. Now I see some error messages during every startup. Could anyone please let me know, that why am I seeing such messages? The error message as follows : ...
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25 views

Error at startup running War Thunder

Hello Who can help me to solve this error? Error initializing video (OpenGL3): ../../prog/engine2/drv/drv3d_GL3/linux_main.cpp, 415: error when creating of gl_context
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1answer
11 views

my updates will not connect [duplicate]

It gives me this E:Malformed line 3 in source list /etc/apt/sources.list (dist parse) E:The list of sources could not be read. E:The package lists or status file could not be parsed or opened.
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1answer
18 views

Is there any app work for evernote?

I have try the everpad, it is so slow, i want to know is there any other app can work for evernote.
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12 views

Linking one notebook to another notebook in zim

I have a number of zim notebooks say NB1,NB2,NB3. Suppose i want to link NB2 from NB1,what shall I do? I tried linking to the zim config file of NB2 in the corresponding folder,but didnt work. Can ...
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27 views

I am not able to install ubuntu using usb?

I downloaded ubuntu 12.04.5 LTS iso file from torrent( size 700+ MB)and copied it in the usb. Then I made my usb drive bootable by running command line instructions (since my GUI is not working) from ...
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20 views

Ubuntu 12.04.5 LTS Intermittent Freeze Issue

My 3 year old Dell Inspiron 14 N4050 laptop running Ubuntu 12.04.5 LTS now keeps on freezing whenever some heavy stuff is going on. At first I diagnosed it to Chrome issue, but later even after I ...
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2answers
27 views

Netbook using too much CPU

I did a clean Ubuntu 14.04 install in a samsung N100sp netbook. System specifications are as follows 2GB RAM Intel Atom CPU N2100 @ 1.60GHz x 2 Gallium 0.4 on llvmpipe graphics The default Unity ...
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2answers
21 views

I can't execute a binary file on ARM version of ubuntu!

I'm using an ARM version of ubuntu 12.04 and I need to run a binary file (to install a program). However, when I do so, it returns an error: $ ./qt-opensource-linux-x86-5.4.1.run ...
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42 views
+50

vmbuilder won't build “trusty” (14.04 LTS)

I can use this command to create a working VM running the "precise" (12.04 LTS) Ubuntu release: vmbuilder kvm ubuntu -v --suite=precise \ --libvirt=qemu:///system --arch=amd64 \ --cpus=2 ...
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0answers
33 views

How to link brightness button to correct brightness script

I recently upgrade my Ubuntu from 12.04 to 14.04. My laptop has always had incomtibility issues between the brightness button and the actual brightness set up. In 12.04 I had fixed the problem by ...
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9 views

Cannot boot after updates 12.04

I've been dual-booting Windows 8 and Ubuntu 12.04. I can't remember what updates were done yesterday, but today I'm getting errors when trying to boot to both operating systems. I choose either of ...
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1answer
21 views

Ubuntu 12.04 lags very bad at my laptop

So I recently decided to change from Windows XP to Ubuntu 12.04 on my crappy 1gb RAM & 1.6GHz laptop. The problem is that it lags A LOT. Like first 5 minutes I can use it fine but then it just ...
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24 views

Battery suddenly drops to 0%

My battery started dropping down from around 35% to 0% suddenly . This started happening as soon as I installed ubuntu 12.04 ..I am using a lenovo Z510 laptop with windows 8.1 as default OS..Any ideas ...
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18 views

How to increase maxproc and maxdesc on ubuntu 64 bit machine

I am trying to install HP arcsight on ubuintu 64 bit machine. While installation it throws up an error Pre-Install Check failed: Your maxproc is 7796 and maxDesc is 4096 The lowest limit for ...
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12 views

GStreamer extra plugins [duplicate]

How to install GStreamer extra plugins from terminal on Ubuntu 12.04. link to Gstreamer extra plugin on software center .
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16 views

How to turn ON/OFF screen monitor using shell script and 'xrandr' linux command?

I am trying to turn on and off screen monitor in Ubuntu14.04 using key bindings. I tried following shell script #!/bin/sh output=$(xrandr | grep ' connected ' | awk '{print $1}' | head -1) ...
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2answers
34 views

Ubuntu - login with old and new password

Running Ubuntu 12.04, I changed the password of a user using "sudo passwd user" but now that user is able to login using both the old password and the new password. Any idea of why this would happen ? ...