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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Upgrade from 12 to 14 failed with missing python package, now what?

do-release-upgrade aborted deep in the process. The main log file ends with the following. How do I recover this system? (The apt.log file seems boring). 2015-03-28 08:30:32,930 INFO Using config ...
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19 views

Packaging an app that uses autotools

Hopefully someone can help me, I maintain a ppa and lately I've been trying to package a few apps which utilize autotools in their source. I've tried various different configurations in my debian ...
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126 views

dpkg: error processing procps (--configure)

How can I fix this issue? user@server:/var/lib/dpkg/info$ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done The following packages ...
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220 views

Why can't I install mono-complete?

When I try to install it, the following result comes up: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may ...
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21 views

Error when attempting to update Ubuntu 14.04

I am using Ubuntu 14.04.When I attempt to update: sudo apt-get install -f I see this error: kg-deb: error: subprocess paste was killed by signal (Broken pipe) Examining /etc/kernel/postrm.d . ...
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35 views

unable to install gnome-shell and i also dont have unity

$ sudo apt-get install gnome-shell [sudo] password for dheeru: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. ...
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42 views

to install numpy i get the following error of unmet depedency

While installing the numpy of python I get the following error: Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f ...
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63 views

apt-get update error on domain http://ubuntu.mirror.pop-sc.rnp.br

I have trouble with apt-get update command. As I was doing apt-get update, it always stuck with anything with the domain http://ubuntu.mirror.pop-sc.rnp.br I have already tried modifying the source ...
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41 views

Can't install prozilla on ubuntu gnome 14.10

i am getting this error while installing prozilla: (Reading database ... 100% (Reading database ... 154269 files and directories currently installed.) Preparing to unpack ...
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35 views

An error occurred, please run package manger from the right click menu ubuntu 14.04 LTS

I'm "really" new to Linux. Now that I'm getting going with Ubuntu and trying things out, some things just aren't working. I see a red circle with a dash in it that says for me to run apt-get to see ...
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68 views

apt-key fails behind proxy

Our company uses a filtering proxy which is setup correctly in /etc/environment and apt.conf.d Regular internet access via http and https work but if I try to import a pgp key from ...
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125 views

Installation 'error' of qt4-dev-tools and libqt4-dev

I have just installed Ubuntu 14.04 and want to install both qt4-dev-tools and libqt4-dev but then I get this message that I can't understand and now don't know what to do? I have tried to install ...
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67 views

haskell-platform unmet dependencies

Trying to install haskell-platform by using sudo apt-get install haskell-platform on 14.04 LTS. The error I'm getting: jared@jared-N550JK:/etc/apt$ sudo apt-get install haskell-platform Reading ...
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35 views

Package dependencies cannot be resolved error while installing softwares

This error could be caused by required additional software packages which are missing or not installable. Furthermore there could be a conflict between software packages which are not allowed to be ...
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50 views

Can't run commands on server, Ubuntu 14.04

I'm pretty new at this, so it's likely that the problem is user error... Basically, I can SSH into the server and navigate around, but when I try to: sudo apt-get update I get a message: ...
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42 views

apt-get hook for post transaction

I try to accomplish the following: I have set xattr for some binaries, but everytime there is an update, the xattr get lost, because apt-get/dpkg replace the binary with the new version. Now I would ...
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22 views

shim-singned unrecognised option --target

after my ubuntu was freaked out i had no desktop no menus only tty1->6 access and after doing a lot of things i managed to get the desktop back by apt-get install ubuntu-desktop && unity. ...
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72 views

Trying to install Steam, had a problem. Keep getting unmet dependencies

Running 14.04 64-bit. I tried to fix the whole ERROR- You are missing the following 32-bit libraries, and Steam may not run: libc.so.1 thing by following some advice from "You are missing ...
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26 views

What's causing this suspicious apt-get behaviour over HTTPS?

I am experiencing suspicious behaviour when updating with apt-get using HTTPS-based repository https://mirrors.kernel.org. Normally, apt-get upgrade displays a line like this for each package: Get:1 ...
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19 views

Cannot find virtualenvwrapper after installing

I installed virtualenvwrapper like this: sudo pip install virtualenvwrapper I thought I would find it here: /usr/local/bin/virtualenvwrapper.sh but I did not. I am trying to configure it in ...
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83 views

Google Chrome installation failed on Ubuntu 12.04 LTS

I have only recently started using Linux and Ubuntu. I have in the past always had Windows computers. All I want to do is be able to watch Netflix on my computer but as you know you need to download ...
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34 views

System getting hanged after apt-get update

When I run sudo apt-get update system itself getting hanged and need to restart. The output getting is, W: Failed to fetch ...
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94 views

apt-get update Unable to connect to and fetch error

I can't seem to be capable of updating or install the packages on my uBuntu 14.04 LTS Minimal VPS server. Every time i run apt-get update i get the following long message: root@cryptogates:~# ...
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89 views

Unable to install Google Chrome - 12.04

I recently downgraded from Ubuntu 14.04 to 12.04 because my keyboard/mouse kept locking up while watching Netflix and it was getting really annoying being unable to pause or do anything without hard ...
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40 views

problem with kernel

In the past I had tried to update the ubuntu kernel with that found on kernel.org. Due to some problems I had to revert the changes as my kernel image didnt boot well. Since then I get the below ...
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27 views

install packages depends in linux kernel automatically when upgrading kernel

I created a .deb file from my project and defined dependency on specific Linux kernel package such: linux-image-3.11.0.29-generic For every Linux kernel update I will compile a deb file and put it ...
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139 views

dpkg: error processing package resolvconf (--configure): (current status `half-installed')

I was installing g++ and the progress remained 0% for long time. So, I thought there is some problem with reolveconf and executed the following commands. sudo apt-get --download-only --reinstall ...
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85 views

apt-get segfaults - Unable to update, install or remove anything

This is on Unbuntu 14.04.1 Anything apt related generates segfault. I haven't installed anything new, all things done from apt-get update and apt-get upgrade. Tried to run synaptic, I get ...
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37 views

dpkg error while installing any package

dpkg: error processing package click (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: click E: Sub-process ...
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61 views

do-release-upgrade crashed, now how to restore?

I had a weird disk error (software-side: btrfs) that caused my upgrade to 14.10 to fail halfway through. I've been able to get things working fairly well, but two things are troubling me: Several ...
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20 views

Key exists already but getting GPG error

I am using Ubuntu 14.04 64 bit desktop,and updating worked fine before, but suddenly it doesn't (it is a long time from last updating, so I can't ensure what operation leads this problem). As you ...
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14 views

I apepar to have broken apt-get - how do I figure out what I need to do to fix it?

The first clue that something was wrong as that aptd likes to eat all the CPU: Help: “aptd” is maxing out my CPU? I should have been clued in by the fact that my upgrade died in a rather spectacular ...
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84 views

Package dependencies broken

So I've been trying to install cmake using apt. sudo apt-get install cmake But I get this error message: Reading package lists... Done Building dependency tree Reading state information... ...
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42 views

Apt-cacher-ng “known data hit, don't write to”

I am using Ubuntu 12.04.1 LTS (Precise Pangolin). kernel version 3.10.39. I install apt-cacher-ng server with 0.7.2-1ubuntu2.1 version. With time, downloading of packages becomes extremely slow ...
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37 views

Openssl is not installing

I am trying to install Openssl in my Ubuntu 64bit os which is running in Virtual Box, But i am keep getting the following error. root@Ubuntu64Bit:~# sudo apt-get install openssl Reading package ...
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41 views

Updating hard limit of “maximum open files” of running process

I am trying to increase the "maximum open files" limit of my running process (apt-cacher-ng). I am following below link http://gregchapple.com/updating-ulimit-on-running-linux-process/ By following ...
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13 views

Reinstallation of ubuntu causes install option to disappear

I reinstall ubuntu on my machine which causes removal of install option in software center. There are tons of answers available regarding this, I have tried most of them but unable to solve my issue. ...
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34 views

Problems opening frescobaldi on Ubuntu 14.10

I had frescobaldi installed on my machine running Ubuntu 14,10. I wanted to upgrade to the currrent version of that program and attempted to do so using the source code on their website. Now when I ...
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16 views

Xubuntu -f install problems seems to be causing many problems

When I try to do anything in terminal I get a with -f install. this pops up: $ apt-get -f install E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) E: Unable to lock the ...
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14 views

Is there a way to configure Ubuntu to auto-select doc and devel packages?

Quite often, software comes in multiple packages: The binary package, i.e. foo The documentation package, i.e. foo-doc The developer package, i.e. foo-devel (i.e. if foo is a library) For example, ...
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22 views

Error in Installing RevKit

@ubuntu:~$ sudo apt-get install build-essential cmake python-dev ipython python-qt4python-numpy Reading package lists...Done Building dependency tree Reading state information...Done Package ipython ...
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77 views

E: Package 'python-numpy' has no installation candidate

When running sudo apt-get install python-numpy I am getting this error : Reading package lists... Done Building dependency tree Reading state information... Done Package python-numpy is not ...
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53 views

U 14.04.1 won't load Unity either Terminal or anything at all but the Desktop Background

The problem occurred after installing some updates. The reason for this action was because I wasn't able to install most of the packages I tried to using apt-get and there was suggestion that this ...
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37 views

Installed NPM w/ apt-get, Now 502 Bad Gateway

Installed NPM with Apt-Get, now nothing works. 502 bad gateway error from NGINX on all sites on server. It removed a ton of Plesk packages for some reason. I didn't expect it to break my entire ...
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60 views

Software Center not functioning, not installable, and not removable, with a persistent live USB in 14.04

I'm using a persistent live USB to run 14.04. I used Ubuntu Software Center a few times to download software, but suddenly it stopped working. The logo is still there, but when I click on it the ...
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68 views

How to reinstall unity

I accidentally seem to have removed compiz and unity with by typing sudo apt-get install -f here is the output: The following packages were automatically installed and are no longer required: ...
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108 views

E: The package fglrx-core needs to be reinstalled, but I can't find an archive for it

Im using Ubuntu 14.10 Genome I tried to install the AMD fglrx-core driver and now I cant remove anything or install anything Sudo apt-get install -f does not work me@me:~$ sudo apt-get install -f ...
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32 views

apt-get upgrade dialog box for modified configuration file - how to use

Still struggling through an apt-get upgrade from the console on Ubuntu 12.04 It's now found a difference in the grub config file, but this time instead of asking what to do on the command prompt, ...
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40 views

apt-get fails to do anything

After upgrading Ubuntu from Ubuntu-12.04-adm64 to Ubuntu 14.04.1 LTS via ssh (on VDS) For most of commands apt-get returns something like this: Setting up python3-minimal (3.4.0-0ubuntu2) ... ...
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15 views

can't work any of the 14.04 crash fixes

None of the fixes work. I've tried them all. For example, all Ubuntu tells me is: root@kevin-desktop:~# sudo apt-get remove compiz-plugins W: Not using locking for read only lock file ...