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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GStreamer installation is missing a plug-in

I wrote a video player with Qt and when I tried to run it, this error occurred, Error: "Your GStreamer installation is missing a plug-in" This issue can be fixed by running the following ...
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24 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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1answer
41 views

How to use packages.ubuntu.com like apt-file search for different releases?

I'd like to use the power of http://packages.ubuntu.com/ from the command line in a similar way apt-file search -i works to find the packages providing a file containing a specific pattern. I cannot ...
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1answer
23 views

Ubuntu cannot find package 'saods9'

I am trying to install DS9, but after trying several approaches, the command line still sends me the same answer. First, I run sudo apt-get update and then sudo apt-get upgrade. After both I enter ...
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2answers
39 views

dpkg: error processing package w3c-markup-validator

I have installed w3c-markup-validator on Ubuntu 14.04 with this command: sudo apt-get install w3c-markup-validator After that, each time I run apt-get update, apt-get upgrade or apt-get install I ...
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1answer
59 views

MySQL will not start

Well, I seem to have totally broken MySQL, possibly through a combination of recently trying to upgrade mysql workbench, which needed me to install some mysql-apt-config package, which broke my usual ...
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1answer
74 views

problem with sudo apt-get update [duplicate]

On giving the command sudo apt-get update, I am getting the following error: E: Syntax error /etc/apt/apt.conf.d/01autoremove-kernels:1: Extra junk at end of file. Also a red circle with ...
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2answers
44 views

Installing packages in Ubuntu 14.04

I am a new user of Ubuntu. My problem is this. In a CentOS installation guide I came across a command like yum install libjpeg-devel libpng-devel Since I am on Ubuntu I thought this is to be changed ...
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2answers
77 views

dependency problem while downloading the google play dwonloader

I am trying to download and install the google play downloader for ubuntu. I have downloaded the google play downloader from here. I tried installing it by using sudo dpkg -i ...
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1answer
34 views

how to auto-answer apt-get upgrade?

When I run apt-get --yes upgrade in a script it sometimes stops and prompts for input. Today in 14.04 LTS it is prompting for what to do for grub/menu.lst. I don't know what could be asked for in a ...
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16 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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1answer
102 views

Unmet dependencies - cannot remove package libgbm1

In this case I have the libgbm1 being held, giving me message like: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages. Since I carefully read How do I ...
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1answer
19 views

Sentinella Cannot be installed on ubuntu 14.10 above

From Ubuntu 14.10, Sentinella cannot be installed on Ubuntu, neither by software centre nor by terminal. The terminal ends with the error appu@Ujjayini-Aspire-5738:~$ sudo apt-get install sentinella ...
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67 views

Using pip3-installed python 3 packages when apt-installed packages exist too?

I have numpy 1.8.2 installed in /usr/lib/python3/dist-packages (via apt), and the newest version (1.9.2) installed in /usr/local/lib/python3.4/dist-packages (via pip). Both paths are in sys.path (in ...
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190 views

Qt creator: “cannot find -lGl” Cannot install libglu1-mesa-dev

I am trying to compile and run a QT program. I have already tried windows (couldn't get taglib to compile); I also tried OSX, I compiled but the program crashes even though it doesn't crash on my ...
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66 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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253 views

How I can upgrade gnome to latest(Testing or Unstable release) on ubuntu?

Now I'm using gnome shell version 3.14.3 on ubuntu 14.10 utopic.How I can upgrade gnome-shell to 3.16 or 3.15 91(on ppa:ricotz/testing repository). Currently I added following ppa repository ...
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259 views

apt-get install is removing a LOT of packages when installing libsdl2-dev, 14.04.2 with HWE

I have a 14.04.2 x86_64 system with HWE installed. I am wanting to install the package libsdl2-dev. Initially I got the following error: $:~/programming/SMD/dgen/dgen-sdl-1.33$ sudo apt-get ...
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1answer
33 views

How can I publish my deb files to custom url?

I've seen that some software can be deployed a "deb url" like deb http://dl.google.com/linux/chrome/deb/ stable main The "deb url" could be added via: sudo add-apt-repository "deb ...
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1answer
25 views

libglib2.0-0 accidentally deleted

I accidentally type this dpkg --force-all --remove libglib2.0-0 in Ubuntu command line and suddenly I get this massage whenever I try to install a software: telepathy-gabble : Depends: libglib2.0-0 ...
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0answers
29 views

Is there a way of telling apt to run when it can - when the previous instance has finished? [duplicate]

I am quite absent minded, and I forget everything I want to install - especially after a restart Is there a way that I can set another command to run (in a separate terminal, of course) when the ...
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1answer
23 views

Big size difference between apt-get install and binary file of apache Maven

I am installing Apache Maven onto my Ubuntu 12.04; and sudo apt-get install maven gives me 229 MB of file to download. On the other hand, going to Apache Maven site, I can download a 7 MB file. What ...
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1answer
143 views

error message with apt-get update command [duplicate]

When I update my system, I get the following errors: Fetched 316 B in 22s (14 B/s) Reading package lists... Done W: GPG error: http://ppa.launchpad.net trusty Release: The following ...
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31 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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66 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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1answer
62 views

Will i get update if I install a package by myself?

THe current emacs in the repository is 24.3. I would like to install 24.4 by downloading the source from its official site, compile and checkinstall to create a deb package, and then install the deb ...
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73 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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1answer
69 views

Having trouble installing octave packages

I am having trouble installing anything octave related. This includes through the apt-get command, and the pkg install within octave interpreter. I looked around and it seems be something with my ...
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0answers
13 views

Apt-get shows samba output [duplicate]

I've recently reinstalled my server with Ubuntu 14.04 Server. I have a clean install with samba running and some few other applications. It's rather clean. What I'm observing recently is that ...
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2answers
100 views

Removing a deb package installed from thirdparty

New to Linux and Xubuntu, I have recently installed Xubuntu 14.04 64 bit and so far I have been installing/uninstalling apps from the Ubunutu software center. Recently I have installed google chrome ...
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26 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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21 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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75 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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13 views

QT on ubuntu: can not find -lGL [duplicate]

I just installed QT creator from the offline installer. Created a new project and tried building the dummy code (it was supposed to work because itw orked in windows too with msvc installed) Anyway ...
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52 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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1answer
46 views

How to remove configuration files of package without its reinstallation

I want to remove configuration files of a package (the system one at least), but avoid reinstalling the package because of its size. Basically I want to do this sudo apt-get purge my-gigabyte-package ...
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10 views

Why is administration directory locked in apt-get? [duplicate]

I think this happens because in some other tab I'm installing something else. But why does apt-get lock admin directory in the first place? E: Unable to lock the administration directory ...
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1answer
345 views

Dependency problems installing steam

I'm having some dependency trouble trying to install steam on Ubuntu 14.04. I got the steam-launcher.deb-Package from http://media.steampowered.com/client/installer/steam.deb and installed it: ...
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1answer
70 views

apt-get segmentation fault (segfault at libapt-pkg)

Since this morning, I couldn't run apt-get and having no idea why. This is what I did so far: # apt-get update (updating list) Fetched 2.797 kB in 7s (363 kB/s) Segmentation faults... 33% # ...
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30 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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0answers
14 views

Shows No internet connection in Ubuntu Software Center. But apps can be downloaded using terminal [duplicate]

I'm using BSNL EVDO USB modem for internet connectivity. And I have connected the modem using "wvdial". I want to install Psensor from Ubuntu software center but it shows no internet connection. But I ...
2
votes
1answer
77 views

MySQL upgrade stuck at version selection

I am trying to upgrade my packages on Ubuntu 14.04 , Then MySQL is asking me to choose the server's version that I want to receive , I am stuck there , can't select any option [Including none] Tried ...
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175 views

apt-get update 404 on trusty

Does anyone know why these are 404ing? At those paths, there are {path}.gz and {path}.bz2 which I can wget fine. vagrant@mt-repl:/tmp$ sudo apt-get update Ign http://security.ubuntu.com ...
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1answer
185 views

Error sudo: add-apt-repository: command not found

When i run in terminal: sudo add-apt-repository ppa:ubuntu-wine/ppa log here: sudo: add-apt-repository: command not found i tried to run sudo apt-get install software-properties-common but ...
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28 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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1answer
115 views

E: Package 'openswan' has no installation candidate

I am on Ubuntu MATE 14.10, I have all my software sources turned on in 'Software & Updates', I have run apt-get update, etc, but I am still getting the following error when I run sudo apt-get ...
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1answer
62 views

apt-get: unmet dependencies, but dependencies can't install

I'm in a spot where Ubuntu 12.04 LTS wants to do a dist-upgrade, but I can't do anything because /boot is full. ~$ df -h /dev/sda1 228M 227M 0 100% /boot I want ...
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1answer
14 views

APT_AUTOGEN setting just affecting the package being installed or all?

I have got rkhunter version 1.4.2, and I was just wondering about the APT_AUTOGEN option which I currently have enabled. Does this mean that when I install new software that it just adds that software ...
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1answer
75 views

Broken packages error while installing zookeeper-server

I am running Ubuntu 14.04 LTS (Trusty) and was trying to install Cloudera Hadoop with Yarn by following this tutorial. Under the options I choose To add the CDH 5 repository: and customized url for ...
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1answer
2k views

Package upgrade hangs forever on mysql-apt-configure [closed]

Yesterday it got stuck with an update for MySql. The mysql-apt-config didn't finish for ours so I had to shut down the machine in the end. Today it suggested the same update again, but told me that I ...