Ubuntu 12.04 (aka Precise Pangolin), is the sixteenth release(version) of Ubuntu from Canonical.

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Edubuntu stuck on installation

I've had this problem using multiple discs on multiple drives on this one computer. I'm trying to install edubuntu 12.04 on an old desktop. It boots to the disk, I select english and then "install ...
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20 views

Is it possible to modify debian package file path in preinst

I am creating a simple package out of a directory. I need to modify the the destination where the files of the package will be deployed.The package directory looks like this debian/DEBIAN ...
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272 views

“No space left on device” when writing to NTFS on Ubuntu

I'm on Ubuntu 12.04 and want to backup data to my external hard drive which is NTFS. When running cp -rp or rsync, I get no space left errors like this: `rsync: mkstemp "/media/Expansion ...
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63 views

Ubuntu-Rescue Remix Does Not See Hard Drive

I am trying to copy over data using the Ubuntu-Rescue Remix bootable cd but this cd does not see my hard drive! What can I do so that the URR is able to see my hard drive and I can save my data? I ...
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Ubuntu 12.04 can't log into graphical user interface

Somehow when I update packages, I lost the graphics driver installed in my system, and it now only logs me into tty1. when I press Ctrl + Alt + F7 the cursor blinks at the top of my screen and nothing ...
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41 views

Computer slow after plugged into wrong voltage

So I set up a desktop computer running ubuntu in a classroom that was running through an AVR at 220 volts. I got a report that it wasn't working, so I came to look at it, and sure enough, fans and ...
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How to Install Windows OS if Already have Ubuntu 12.04 Installed [duplicate]

I have purchased a dell laptop with Ubuntu Linux 12.04 installed in it, and I want to install Windows Operating System on Ubuntu and have dual booting. That is, to install the Windows OS in the ...
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102 views

VLC MMS video via network - stutters

I'm using VLC to play a MMS video (1.5X speed) that is streamed from a "members only" website. The video works great except that it hangs/stutters every few seconds. So I increased the following ...
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28 views

How to reinitialize processor for /sys in Linux

I have upgraded my laptop from Intel Pentium P6100 to Core i5-460M. i5 supports Turbo Boost. To switch this on/off I need to do: echo 0 or 1 > /sys/devices/system/cpu/cpufreq/boost But my System ...
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82 views

how to monitor network/cpu/memory/disk usage by each Rails app

I run many Rails app on linode VPS I want to charge my customers by their usage, Is there anyway to monitor each Rails app's usage ? I need these information network/cpu/memory/disk usage Any ...
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1k views

Postfix SMTP SSL config: Can't send email but can receive it with SSL

I am trying to finish configuring my postfix/dovecot mail server that sits behind my home's router/firewall. I'm on Mint/Ubuntu 12.04. I'm close. I can connect/retrieve emails via SSL but can only ...
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25 views

I want to start VM for specific time

I am designing a system in which lot of VMs are there which run on KVM. My physical resources are limited, that is why I want to allow some of the VMs to run for some specific time(say Every Wednesday ...
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36 views

shifting between windows in byobu corrupts putty scrollback

I use byobu-screen through putty. when i use multiple windows and shift between them. the scroll back buffer of these windows gets intermixed, losing the whole purpose of scrollback. I dont want to ...
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134 views

Enable OpenGL on Ubuntu 12.04 LTS

I'm running Trisquel Mini 6.0.1, which is based on the repos for Ubuntu 12.04 on a netbook. I have a lightweight game that I'm trying to run written for the love interpreter, but it fails to ...
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21 views

How do I install a driver from a usb on 12.04 ubunu?

I have a Dell Lattitude e6400 with ubuntu 12.04 and I downloaded a driver for my Broadcom wifi it is on my usb drive and I also put it on my desktop...how would I install it from either source (the ...
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99 views

Wrong apache configuration. Perl scripts cannot execute

I've got wrong apache configuration. My script don't want to be executed and browser trying to download it as a file. <VirtualHost *:80> ServerAdmin webmaster@localhost ServerName president.com ...
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23 views

Change the DNS servers whilst retaining dynamic IP for Ubuntu 12.04 LTS

The example below requires the end point device has a static IP address using the file /etc/network/interfaces What if there was a need to continue using dynamic IP addresses but static name ...
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1k views

Unable to find PORT name in ubuntu 12.04

I am writing a code for serial programming in ubuntu 12.04. I have connected a usb to serial converter with my usb port. Now I want to know On which port I have connected my usb ( for example COM12 ...
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55 views

Trying to upgrade Ubuntu 12.04 LTS to 14.04 LTS inside Virtualbox results in a divide by 0 error

Attempting to upgrade a 12.04 LTS guest on a Windows 8.1 host results in the following error. Is there a workaround? This is on Virtualbox 4.3.14, the newest release. This error is very strange, ...
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68 views

USB drive stopped working

My USB pen drive (A-data UE700 64GB) suddenly stopped working. I tested it on few PCs (every one with Linux) and it doesn't work on any of them. The device isn't even mounted. It used to work alright ...
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102 views

ldap_bind: Confidentiality required (13)

I want to configure ldap with ssl so I used openssl for certificate and when I enable olcSecurity tls=1 in /etc/ldap/slapd.d/cn=config.ldif and now when I try to use ldapsearch or try to login it ...
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34 views

mouse button #7 not detected by Linux

Under Ubuntu 12.04, the command xev sees all 9 buttons of my mouse, except for n.7, i.e. scroll right. Is there a way to fix this? I don't think it's related to xorg.conf
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112 views

Ubuntu Samba Windows LogIn Failed to retrieve share list from server

I am part of a small Windows7 & 8 network of about twelve machines, all of which have been configured mostly by me to share folders with "Everybody". The machine that doubles as a File Server, ...
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38 views

no user-switching option in Ubuntu 12.04

Some time ago, we got several new Ubuntu 12.04 machines at work for various purposes. To make things more manageable, I created multiple accounts for the different users that will be using the ...
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35 views

Zorin6.4 core ubuntu software center will not open

Ubuntu software center will not open. Last time it was open it said it was conducting a search. Reboot and still conducting search. Synaptic center says unable to get exclusive lock' Lubuntu software ...
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36 views

why linux checks disk after shutdown -h

if I give the command sudo shutdown -h +2 or edit my crontab in a similar way, at reboot Ubuntu 12.04 checks disk for errors: is this behavior correct? is there a way to avoid it? Note that this ...
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55 views

I want backdoor access via intranet but none via internet - easy solution?

I see my new server has two cards and wonder if I can plug the internet into one and an intranet into the other. I only want access to the OS and program files and MySQL from the intranet side. ...
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29 views

Ubuntu - how to find live usage of port numbers

I am trying to debug a problem with a apache server, wherein I need to find the application that uses a particular port number. I tried using netstat, but didn't help. The scenario is that I am ...
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41 views

I lost my Ubuntu Partition

I have two operating systems installed on my computer, Ubuntu and Windows 7. I reinstalled Windows 7 today and I think have a problem with the Ubuntu partition. Running fdisk -l when booted into a ...
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41 views

NFS works in PC but doesnt in ARM board

I have done nfs in pc but i could not do it in arm board. is there anything in addition that is required... I did not change any setting but the following error is displayed mount: ...
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65 views

grub rescue moved folder out of root

I made a really silly sudo mv /* /some_folder move command on my remote server vm ubuntu 12.04 that moved my boot folder to /home/.../somefolder/boot I can access this folder via a ...
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35 views

Windows install (media drivers)

I have been trying to install windows 7 64bit onto my Ubuntu 12.04 machine for quite awhile. I succeeded in installing the win7 64bit iso onto my usb via unetbootin-linux-494 and formating the usb ...
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52 views

Cannot import .ova

I'm trying to import an .ova file into my VirtualBox on Ubuntu 12.04 (64 bits), but when I do this I get the following error: Failed to import appliance /media/USB/Respaldo 11 (Armando)/SW/Maquinas ...
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25 views

ubuntu: killing xorg logs user out

Experimenting with my ubuntu box, I killed Xorg. The effect was to log me out of my session. If I log back in, the screen goes black for a moment, and then logs me back out. I can log in as guest ...
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518 views

Network icon not visible in Ubuntu 12.04, how to get it back?

When I tried to configure a broadband connection in my Ubuntu 12.04 somehow the network icon has been removed from the system panel. I tried many kinds of solutions but still it is not visible. Now I ...
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76 views

How do i change wifi password without a monitor (Ubuntu)

I have an ubuntu device that is wifi enabled, I plan to distribute it to clients that may not have a monitor. What is the best way to modify the wifi password of such a device ?
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167 views

Disk partitions are not appearing separately when installing Ubuntu along with Windows 8.1

I have installed windows 8.1 and now I want to install Ubuntu 12.04 along with it and want dual boot OS. I have 250 GB HD and they partitioned in four drives in windows and in which one is 20 GB ...
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59 views

Compressing data/image by ziproxy and decompressing image/data with ziproxy

i am new in ziproxy,i have setup two ziproxy server for compressure and decompresure of http traffic but i have not succeeded in compressing and decompressing traffic through these servers.If any one ...
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243 views

Override homeDirectory in ldap.conf with unique path

I have a number of Ubuntu 12.04 PCs which are using an existing LDAP server for authentication. This is working for 90% of users of these PCs, but there are a handful of users which have "bad" default ...
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97 views

Linux Has Become Very Slow Dealing With Large Data

Last year I bought a computer, for around $1,800, so it is relatively high-end. When I first got it I was particularly pleased at how quick it dealt with large MySQL queries, imports and exports. But ...
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176 views

Why, in Ubuntu, I cant access to an SD card using the laptop SD card reader?

I have ab Ubuntu 12.04 installation on a Virtual Machine and I am finding some problems try to read an SD card inserted into the SD card reader of my laptop. The problem is that if I try to insert ...
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2k views

No sound after updating alsa

I am new to Linux but really love Elementary for its simplicity. After noticing that my sound was quite poor in Elementary, compared to Windows 8.1, I have tried updating the sound drivers. I ended up ...
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29 views

Standard user in Ubuntu 12.04 LTS does not automatically apply updates

We have a number of on-road users that use Ubuntu and do not have administrative privileges. They instead are "standard" users. Having had a look at one of the devices recently and although it has ...
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347 views

NO <DUTY, RUN, PERIOD, POLARITY> in bone_capemgr.9(ocp.2/pwm_test_P8_13.#)FILE Beaglebone Black

I just a fresher did the servo test with my BBB, however, when I use some command as ...
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46 views

how to easily configure openvpn with bridged interface?

I have two PC(Ubuntu 12.04 lts) both residing in two different local lan network both having private IPs. I have searched the web, read many website contents but was unable to setup openvpn properly. ...
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956 views

Bootstrap - Jekyll: Forbidden - no access permission to `/'

I'm doing a tutorial on Twitter Bootstrap and apparently I need to install Jekyll for this. I've followed the installation procedure, but now I'm stuck getting Jekyll to work. In the terminal (Ubuntu ...
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55 views

Network connection issues with Ubuntu 12.04

After reading through several threads on here about network connection issues, and trying to solve it on my own, to no avail, I thought I'd post the problem here. I have an HP Chromebook 14 running ...
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2k views

Upgrade to PHP 5.3.23 on Ubuntu 12.04

I want to use Zend Framework 2. I have installed the ZendSkeleton Application. When I try to install Framework, I get the following error: #> php composer.phar install Warning: This development build ...
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4k views

This computer currently has no detected operating systems

I am new to ubuntu 14.04 and I am attempting to install it on my laptop (Acer Aspire V3/772G-Intel) which already has Windows 7 Ultimate x64. I currently have two partitions on my HDD and I was ...
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157 views

Reboot on hardware freeze

OS: Ubuntu Desktop 12.04 How can I make sure that even if the kernel has a very low level, massive failure, the system will reboot? Or if that is impossible, what is the best freeze to reboot ...