Advanced Packaging Tool, the package manager for Debian-based distributions. It is also the most used tool for installing packages in Ubuntu. Questions about using any of the apt tools should use this tag.

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apt-get update stuck at Get:67 http://archive.ubuntu.com precise-proposed/universe Translation-en [3,990 B]

I have tried changing the mirrors , but still , every time it stucks . I am not able to update successfully , please help .
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How do I select a PPA build?

There is this PPA: https://launchpad.net/~ondrej/+archive/ubuntu/php5-oldstable I added it to my lucid system with sudo add-apt-repository ppa:ondrej/php5-oldstable but it doesn't seem to provide any ...
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Nothing provides libopenmpi-dev when packaging for Ubuntu

I am trying to package software for Ubuntu using the open build service. The software I am packaging requires the openmpi wrapper, so under Build-Depends I gave it the package libopenmpi-dev. After I ...
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Create WPAD and PAC configuration files for branch proxy configurations

Below are the configuration of current proxy.pac file. function FindProxyForURL(url, host) { var resolved_ip = dnsResolve(host); if (isInNet(resolved_ip, "10.0.0.0", "255.0.0.0") || ...
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Restart after update interupted

Today I was updating the computer using the Software Updater package and when prompted I restarted my system to finish the process. During the restart I left and came back to find my machine off. ...
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virtual box installation on ubuntu 14.04

I am running a Ubuntu 14.04 machine. I installed VirtualBox to 5.0 for first time. A weird thing happened at this point; the icon for the ubuntu software center changed to a question mark. At this ...
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How to solve :i386 package dependent issue on 64 bits system?

I installed libc6:i386 package on Ubuntu 14.04 (64-bit) system. Now I want to uninstall it with apt-get remove --purge libc6:i386, it will try to remove 400+ packages. I think that should be a bug in ...
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Chromium problem

Well, this is new.. I think I hosed my system and don't know even where to start poking around.. I did apt-get update, apt-get upgrade and noticed that chromium had been removed from my system. So ...
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Running Adobe setup after installing wine

I am trying to install photoshop cs6 on ubuntu 14.04?I followed this answer and ran below commands sudo add-apt-repository ppa:ubuntu-wine/ppa sudo apt-get update && sudo apt-get ...
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Cannot install Desmume on Kubuntu 14.04

I wanted to install Desmume on my PC, but when I tried sudo apt-get install desmume it gave Error : Reading package lists... Done Building dependency tree Reading state ...
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OpenCV installation dependencies issue

I am trying to install OpenCV on ubuntu 14.04. The installation document asks to run a few commands before installaion of OpenCV. I get the following error when running it: ...
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Apt get install fails with errors

Whenever I install an application using sudo apt-get install application, I am getting the following error in Ubuntu 14.04 LTS. Even though I get the error, the installation of the applcation I try to ...
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please help me with this output summary from terminal regarding sound issues in system

I am using ubuntu 12.04 lts and after updating all softwares,the sound system has stopped working. after following one of the post from ubuntu forum; i found this summary as result. please help... ...
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Broken software index

I tried to install chrome and a pop up appears saying the following:- Check the file permissions and correctness of the file '/etc/apt/sources.list' and reload the software information with....... ...
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Pango Build Error (GTK+3 build)

I am building GTK+3 (3.16.6) latest version on my Elementary OS desktop (Ubuntu 12.04) following these installation instructions at GTK website. I have successfully built and installed the following ...
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Trying to reinstall apache2 due to an issue i had with websvn libsvn1 error

When trying to reinstall apache2 with all the dependencies that i need i get this. I run this: sudo apt-get install libapache2-mod-svn and this is the error that i get Reading package ...
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More about synaptic package manager

A day after yesterday I'm trying to install GNS3 in my Ubuntu 14.04. At first step of instruction it said that I have to install dependencies using synaptic package manager, and said that synaptic ...
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What is the command for focus of debconf popup window?

I have created a script to show a debconf popup for my custom deb package to warn the user that he has not installed java-oracle. When I run the install through the Ubuntu Software Center the ...
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Screenshots for self hosted debian repos?

According to this link, you can add screenshots to a debian hosted package, but what about packages in repos that you host yourself and manually add to your list of sources? I've never actually run a ...
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APT complaining about no space left on device, although there is plenty

I'm having an issue with an Ubuntu server. It currently is not happy with APT for some reason and is giving me the following error: SystemError: E:Could not open file /var/cache/apt/srcpkgcache.bin - ...
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APT-GET behind a proxy with DIGEST Authentication

I've edited apt.conf, applied "system wide configuration", edited /etc/enviroment, etc... but out of luck. My company is running a Squid proxy with DIGEST authentcation, which I think APT doesn't ...
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GPG error: http://ppa.launchpad.net trusty InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?)

I have been getting this error and its stopping me from downloading latest updates I have looked into other forum posts but im an absolute noob and they werent very clear and/or hard to understand and ...
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26 views

Got 403 error with regional aws S3 apt mirror

My instances are in us-east-1 and suddenly accessing us-east-1.ec2.archive.ubuntu.com.s3.amazonaws.com started got 403 error from 2 days ago. Anyone had the same issue?
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Resolving Wine Dependency Errors

Here's the broken package problem I get from wine: The following packages have unmet dependencies: wine1.7 : Depends: wine1.7-i386 (= 1:1.7.12-0ubuntu1) E: Unable to correct problems, you have held ...
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32 views

Unable to find expected entry 'restricted/source/Sources'

I was installing Ubuntu 14.04 in my lab machines. I found apt-get update is not working properly in 14.04 (tried all LTS versions) and 15.04. Its giving following error messages for all the computers. ...
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upgrading gnome shell to 3.16.3 in ubuntu 15.04, some changes didnot took place correctly

Today I decided to upgrade my gnome to 3.16 because of the significant changes. so I searched it on the web and found the way to do that. I added two repositories: sudo add-apt-repository ...
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deleted /var/cache on ubuntu 14.04 and apt-get and other programs crashes on terminal

I have installed Ubuntu alongside windows and have allocated only 10GB for the root. I kept getting messages that there's no space so I found according to the best voted answer in the following that ...
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Linking to different versions of a library with cmake

When using cmake to link code to a library, I am trying to understand how Ubuntu finds the correct library when there may be more than one version installed. For example, in my case, I have installed ...
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Linking with a newer library rather than an old one

I am trying to compile the Point Cloud Library from source (http://pointclouds.org/). After running cmake and make, I receive the following linking error: Linking CXX executable ...
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Prevent vendor change of packages

When you add another repository it can potentially “update” packages of your system with malicious software. On openSUSE I saw that Zypper warns you about “vendor changes” and can effectively prevent ...
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18 views

command for re-installing uninstalled packages?

I just removed a package with synaptic. Many additional (30-40) packages got also removed, because they had dependencies to the main package. Now I reinstalled the main package and I simply want to ...
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Brother MFC 9700 brscan and mfc9700lpr dpkg returned an error code (1) 14.04

I have an Brother MFC9700 and I want to make it scan in ubuntu 14.04. I am able to print to this device (with MFC 9600 driver) but cannot scan. I downloaded and installed the drives below from ...
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Trouble with apt-get closing socket prematurely

When running apt-get update the command seem to run without errors, but still the package manager then still can't find packages I want to install, specifically those in the universe part. The same ...
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install crashdump on ubuntu 1404

I am following [here] to install crash dump on Ubuntu 1404: sudo apt-get install linux-crashdump However, it throws exception as below: ... unmet dependencies linux-crashdump : Depends: ...
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apt-get update downloads 88+ GB's

So I installed a new Ubuntu 15.04 system. First thing I did was apt-get update user@user-desktop:~$ sudo apt-get update Ign http://us.archive.ubuntu.com vivid InRelease Ign http://security.ubuntu.com ...
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Package libgeotiff-epsg is not available and has no installation candidate

I am installing openstreet server on Ubuntu and for that I need to install libgeotiff-epsg package. When I do sudo apt-get install libgeotiff-epsg, it it returning that Package libgeotiff-epsg is ...
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Problem in Installing GFortran in Ubuntu 15.04

I really need to install Fortran compiler for my current work. I decided to install gfortran package in Ubuntu 15.04 by following the steps on this link: ...
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Is it possible to exclude a specific source from “apt-get update” command?

It might not seem like an important problem to you, but it is a serious problem to me! The problem is that every time I run apt-get update command, it can't be successfully done because one of the ...
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E: Sub-process /usr/bin/dpkg returned an error code (1) when trying to execute sudo apt-get -f install

I get the error "E: Sub-process /usr/bin/dpkg returned an error code (1)" when trying to execute the command "sudo apt-get -f install" to install required dependencies. I've been searching around but ...
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23 views

xz-utils 5.2.1 on trusty: how to compile and re-package? Or ppa available?

I want to compile and use a newer version of xz-utils, in this case version 5.2 as well as create deb-packages to be distributed on different ubuntu (14.04) machines. The recent changes to xz were ...
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132 views

Upgrading KUbuntu 14.04.02 to 14.04.03 - Odd error

I'm trying to upgrade an install of Kubuntu 14.04.02 to 14.04.03, but I keep getting the following error that kills the upgrade. I get it both via apt-get upgrade or when doing it from Synaptic. The ...
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I accidently deleted /var folder

I was using terminal and accidently typed sudo rm -r /var. I stopped it, when had noticed, and can not see any errors in daily using. But when I want to install apache, nginx or something else. I got ...
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Error while installing packages (for Virtual Box builds)

I am trying to install the following packages - Linux Packages (Website is down for some reasons. Here is the PDF copy of the website - Virtual Box Build Instructions) Here is the code I'm trying to ...
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Polarssl/sha1 excist failed

Running ubuntu 14.04 on virtual box. Trying to build this oonf git and I got this error when doing the 'cmake ..' command. Have already installed the libtomcrypt-dev so I do not know where this ...
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42 views

How to safely remove the gnome desktop and return to Unity?

I've installed the gnome desktop env on my ubuntu 15.04 version. Now I want to remove it completely! Can someone give me the list of items to be removed using apt-get remove to remove gnome? I used ...
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How should I arrange a test and production mirror of Ubuntu package repositories?

I want to be able to closely standardise my Ubuntu installations, there's a likelihood that the number of installations I have to complete will rise dramatically soon. I want to put a system in ...
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Can a debian package require a specific CPU feature?

I'm working on distribution of a debian package which requires SSE2/SSE3 support from the CPU. Some of our users have reported that our binary doesn't work on very old CPUs which don't have these ...
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23 views

32bit library dependency problem

Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created ...
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tomcat7 does not uninstall cleanly after deleting directory

An instance of tomcat7 on Ubuntu14.04 was not working properly so we tried to get rid of it. apt-get remove tomcat7 did not work, leaving all the directories. So we manually tried to delete ...
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How do i manage metapacket architecture?

I'm building a debian package compose only of bash/perl script. Those scripts aim to interact with an architecture specific program (amd64) and are completely useless without this program. On debian ...