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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Ubuntu apt-get update/ install issues [duplicate]

I am having issues with ubuntu running on EC2. Whenever I try to update any package it shows some kind of log and stops in the middle and if I run the update process again it tells me "Could not get ...
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What is sudo apt-get install libc6…? [duplicate]

I'm having a problem here. I need to install DDD in Ubuntu 14.04 64-bit, but something is not working. I downloaded it and installed it, but when I want to run a program in Terminal, it shows me a ...
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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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Update failing for Google Chrome

Software update is failing at Chrome: Reading package lists... Done W: GPG error: http://dl.google.com stable Release: The following signatures were invalid: BADSIG A040830F7FAC5991 Google, Inc. ...
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1answer
31 views

not able to install samba

I am not able install samba. When i am try to install samba by this command 'sudo apt-get install samba4' then it's give below error. ERROR: Invalid smb.conf /var/lib/dpkg/info/samba4.postinst: 14: ...
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1answer
97 views

What does linux-headers-`uname -r` do?

What does the following command do? sudo apt-get --reinstall install linux-headers-`uname -r` sudo executes the statement with eleveated privledges. apt-get is a command to retrieve a specific ...
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1answer
33 views

How to force apt to give you a “Do you want to continue? [Y/n]” for every install

I understand that when running the code sudo apt-get install <packagename> it will only give me this: Do you want to continue? [Y/n] If that package will install additional packages. But how ...
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apt-get does not always ask for confirmation [duplicate]

I have noticed that when installing software through sudo apt-get install <packagename> it does not always give me the: Do you want to continue? [Y/n] Why is this so? I don't think that this ...
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1answer
58 views

how do I “rebuild” or “repair” APTD?

How do I "rebuild" or "repair" aptd? I don't mean up the various utilities to rebuild and reconfigure which has not solved my problem suggesting that something more fundamental is damaged. I am ...
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2answers
84 views

apt-get install python-software-properties not working

I'm new here, new to Ubuntu, and basically new too anything related to Linux. I am trying to install zoneminder and I am following this wiki page: ...
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1answer
34 views

Why does apt-get upgrade give ELF file warning?

Executing sudo apt-get update and sudo apt-get upgrade: sudo apt-get update sudo apt-get upgrade gives the following message, which I think is a warning: /sbin/ldconfig.real: ...
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53 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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How do I list all installed AND available packages in all repositories like 'yum list'? [duplicate]

In the Redhat/Centos/Fedora distributions, you can get a total list of all installed and available packages from all the repositories using the command: sudo yum list Is there some command line ...
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106 views

Can't install any update and packages ubuntu 14.10

I am using ubuntu 14.10. I am trying to install all updates, but it's show me the following result: The package system is broken Check if you are using third party repositories. If so ...
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112 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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63 views

apt-get update “Ign” lines for component “inRelease”

I'm working with a local mirror of the Ubuntu distribution, using the 'apt-mirror' package, and I'm seeing "Ign" lines when I # apt-get update from a 14.04 system. On the system that has the mirror, ...
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1answer
20 views

self created .deb package has versioning problems

I did my first steps in creating a PPA, containing a recent fossil version. I unpacked the tarball and ran bzr dh-make fossil 1.32 ../fossil-src-stable.tar.gz on it, editet the debian files till ...
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I'm new to UBUNTU 14.04 and i behind the proxy of owr college [duplicate]

I can't update or install any software using terminal and ubuntu software center.Through using terminal, i find error which "failed to fetch" and unable to locate the package. I also have problem in ...
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57 views

How can I reolve unmet dependencies when installing ubuntu-sdk on ubuntu desktop 14.04? [duplicate]

I am trying to install ubuntu-sdk on my ubuntu desktop 14.04 using this command sudo apt-get install ubuntu-sdk But I am getting this error Some packages could not be installed. This may mean ...
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2answers
84 views

skype install on ubuntu 14.04 dependency hell

im trying to install skype since empathy and pidgin doesnt work so im stuck in the installation, anything seems to work, i tried using synaptics, gdeb with the packages from the page, even tried ...
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1answer
24 views

Why doesn't apt-get install back the original files of a package after I removed them?

I initially installed the vsftpd using apt-get. After the installation I had a default /etc/vsftpd.conf file with a sample configuration that I modified. After screwing it up decided to uninstall ...
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1answer
52 views

dpkg error code

So I'm new to ubuntu, everytime I try sudo apt-get install I get this ryan@ryan-nBook-4300:~$ sudo apt-get install [sudo] password for ryan: Reading package lists... Done Building ...
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39 views

Package Upgrade Failure dpkg returned an error code (1)

so Upon upgrading to Ubuntu 14.10 Utopic Unicorn It ran into errors as it tried installing new things and one was Noobslab "Run As Administrator" it failed to upgrade and now im stuck with this when ...
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1answer
22 views

XServer not working after trying to install ros

I tried to build ros from sources following this guide. After some time I saw some weird behaviour, so I restarted my laptop and now I see nothing. I tried to re-install xserver-org via apt-get, but ...
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154 views

Command “sudo apt-get update” runs with some error

I am new to Ubuntu. I am facing some problem running the sudo apt-get update command. It shows the below mentioned error. My system configuration: Ubuntu 12.04 LTS 32 bit Command: sudo apt-get ...
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2answers
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how to avoid heavy dependency

I have a limited SSD hard drive. So I cannot install any software on my Ubuntu. I just tried to install a very simple application: texmaker sudo apt-get install texmaker [sudo] password for arash: ...
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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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33 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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1answer
74 views

Unable to install ubuntu-device-flash in 14.04

I have problem with this command: $ sudo apt-get install ubuntu-device-flash Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be ...
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1answer
24 views

need help installing AptUrl or changing the enviromental variable

I understand how to get the file to install, I have to type out "sudo apt-get install apturl" and it should open the package for installation. I type out the command and I got this "mspyellow@BJ:~$ ...
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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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37 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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1answer
1k views

E: Sub-process /usr/bin/dpkg returned an error code (1)

When i try to remove Java sudo apt-get remove jdk1.8.0-40. I get this: Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be ...
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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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1answer
70 views

How can I stop apt-get from asking about using minor amounts of additional disk space that will be used?

I know that I can use parameters (with aliases or apt.conf I can even make it permanent) to skip this steep. But I still want to be warned about major amounts of used disk space, what seems to be ...
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How to install Nvidia driver on Ubuntu 12.04 LTS 32-bit? (Nvidia Gforce 720) [duplicate]

I have a asus laptop i flowed .... sudo apt-get install freeglut3-dev build-essential libx11-dev libxmu-dev libxi-dev libgl1-mesa-glx libglu1-mesa libglu1-mesa-dev sudo nano ...
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69 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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78 views

Setting no proxy, proxy and Authenticating network from terminal [duplicate]

Somehow I can not access my desktop and have access to command-line. I can ONLY see wallpaper after login (no icons), I think I messed up with lightdm. Other posts suggests that I can reconfigure it ...
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78 views

How can I get rid of duplicate source.list entries? [duplicate]

After freshly installing 14.04 as a novice user and installing a plethora of application (some erroneously!) I find myself faced with the following message in terminal during installation:- W: ...
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2answers
31 views

How can I update only newly added repositories? [duplicate]

When I run sudo apt-get update it wastes time updating PPAs that are already up to date. Is there a command that does the same with more efficiency?
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1answer
83 views

E: Sub-process /usr/bin/dpkg returned an error code (1) problem with dpkg?

I wanted to install arm-none-eabi-gcc and I have encountered the above error. I know that the problem is generic and I need to read lines above that message but after analyzing error lines I still do ...
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2answers
45 views

can't install , remove , purge or anything

when ever I try to open Software Center it shows a message : New software can't be installed because there is a problem with the software currently installed. Do you want to repair this problem ...
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1answer
24 views

How to prevent package updation in `apt-get install -y package` if the package is already installed?

apt-get install -y packagename update the package if it's already installed. How can I prevent this? I don't want to update the package if it's already installed. What switch is to be used with ...
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1answer
54 views

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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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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45 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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24 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
43 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
61 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
78 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 ...