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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I can't install mysql on 14.04: “Unable to set password for the MySQL root user”

I have tried the solutions presented in Error installing mysql server on Ubuntu 14.04 but I still can't get it to work. The problem i think is when I install it asks me to set password, but then i ...
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The following signatures couldn't be verified because the public key is not available

I opened up the terminal typed sudo apt-get update and after it finished I got this GPG error: <W: GPG error: http://repository.spotify.com stable InRelease: The following signatures couldn't be ...
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Manual Recovery

I installed ubuntu 14.04.02 on my netbook. So now I've got 2 os on my netbook, windows 8 and ubuntu. When I boot my netbook and choose to open on ubuntu, it says serious errors were found while ...
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apt-get is “Unable to locate package [package-name]” after upgrade to 15.04

I installed Ubuntu 15.04, then I updated it and restarted. After that I can't install anything from terminal using apt-get install [package-name] any more. For every package it says Unable to ...
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2answers
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Wrong headers for Linux version

I have an ODroid U2 running Ubuntu 14.04 LTS and Linux version 3.8.13.30. I am trying to get my USB WiFi dongle working through this tutorial. However, at the sudo dkms install 8192cu/1.10 stage, I ...
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Problems in updating ubuntu

When i am running command sudo apt-get update, i am facing following problems : W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/vivid/InRelease W: Some index files failed to download. ...
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1answer
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Installing cuda toolkit Ubuntu 14.04 causes dpkg error

When I was installing cuda toolkit Ubuntu 14.04 causes dpkg error. This is what I did: sudo apt-get install build-essential followed by sudo dpkg -i cuda-repo-ubuntu1404-7-0-local_7.0-28_amd64.deb ...
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W: You may want to run apt-get update to correct these problems [on hold]

Please help me to instal the latest package. I'm using windown 64bit and 8.1 OS uname -i x86_64 Getting the following error: w ignoring provides line with depcompareop for package dynampis W: You ...
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Checking for updates error with source list [duplicate]

W: Duplicate sources.list entry http://dl.google.com/linux/chrome/deb/ stable/main i386 Packages (/var/lib/apt/lists/dl.google.com_linux_chrome_deb_dists_stable_main_binary-i386_Packages) I think ...
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How to install MongoDb 3+ on Ubuntu?

I've read this manual from the official website and did all the steps. sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 echo "deb http://repo.mongodb.org/apt/ubuntu ...
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1answer
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Copying packages in PPA fail due to same version

I copied my package from trusty's repository also to utopic's repository of my PPA without re-building the binaries by using Launchpad's copy packages feature. Now I noticed that the utopic package ...
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1answer
19 views

I want to ignore “apt-get -f install”

When I want to install a new package, I get this error: You might want to run 'apt-get -f install' to correct these: The following packages have unmet de pendencies: cndrvcups-capt:i386 : Depends: ...
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Installing TinyOS on Ubuntu 15.04

I followed this tutorial carefully, but I still can't compile this hello world program. What did I miss? Should I install: nesc: 1.3.5 tinyos-tools: 1.4.2 tinyos-tools-14: 1.4.2 tinyos-tools-devel: ...
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Ubuntu 15.04 update-initramfs fails after packages installation

I have a big script I use in fresh installs since 14.10, but when using it on Ubuntu 15.04 I get an initramfs error. The script looks like this: echo "Starting configuration" && echo ...
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1answer
25 views

How to fix APT error during the “install the base system” in Ubuntu Server installation?

When installing Ubuntu 14.04 LTS Server, I get this error message: There are problems and -y was used without --force-yes WARNING: The following packages cannot be authenticated! Every time I reach ...
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Why does it keep saying apt-get command not found? Also why kde won't start? [on hold]

I read some other posts and they say I have to reinstall Ubuntu. How do I do that? Please help! I just updated my Chrome OS (I'm on a Chromebook) and now I cant open up my Ubuntu anymore. It just ...
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Can't install ubuntu-extras-keyring on Ubuntu 15

I am trying to install ubuntu-extras-keyring but I'm getting an error. The code I run is: sudo apt-get install ubuntu-extras-keyring and the result is: Package ubuntu-extras-keyring is not ...
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Trouble installing Elementary desktop environment on Ubuntu 15

I am trying to install elementary-desktop on Ubuntu 15.04 but when running sudo apt-get install elementary-desktop I get a slew of recommends/errors with this at the top: elementary-desktop : ...
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Ubuntu 14.04 LTS: Trying to install Ruby 2.0, but gnome-session-bin seems to be half installed

I cannot install any packages, the problem started when I tried to install the ruby2.0. Before, apt-get was installing everything. But now, every package returns this error: Processing triggers for ...
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24 views

Firefox stuck on old version and problems with held packages

i did a clean installation of Ubuntu 14.04.2 2 months ago and i noticed recently that firefox was stuck at version 36. I uninstalled it and then the system showed version 35 as the latest. The same ...
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1answer
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my ubuntu 12.04 software center wont work and i cant install software using apt-get

i try opening my software center then it closes after a few seconds, i read posts saying i should try some apt-get codes but it gave this error: Reading package lists... Error! E: Encountered a ...
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1answer
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Trying to install nasm on my ubuntu 14.04 LTS but it get error

I get these errors when i try to install nasm using central software... installArchives() failed: (Reading database ... (Reading database ... 100% (Reading database ... 221927 files and directories ...
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16 views

Unable to install php5-intl on Ubuntu 13.10 [duplicate]

I am trying to install phpt-intl extension on Ubuntu 13.10 using the following command: sudo apt-get install php5-intl And I am having the following output: WARNING: The following packages ...
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Question about apt-mirror

I would like to make you a question about apt-mirror. It works fine but we would like to know whether it is posible to clean all unneeded packages available to the clients that connect to our mirror. ...
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28 views

How to install postgresql-9.4-postgis-2.1 on Ubuntu 14.04(Trusty Tahr)?

I get the following error when trying to install postgres-9.4-postgis-2.1 on Ubuntu 14.04(Trusty Tahr): Depends: libgdal1 (>= 1.9.0) but it is not installable I also tried to install the package ...
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1answer
21 views

Broken dpgk? Failure running script /usr/sbin/dpkg-preconfigure --apt || true

Ubuntu Server 14.04 apt-get install <package> produces the error: E: Waited for /usr/sbin/dpkg-preconfigure --apt || true but it wasn't there E: Failure running script ...
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Cannot check update sources in GUI (Software & Updates > Updates) - in 14.04 [on hold]

[re-posted on U&L] I am in eOS Freya but I am posting here because I had the same problem before in Ubuntu proper or Xubuntu and have found a solution here that now I cannot find when searching. ...
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1answer
12 views

apt-mirror: can't create /dir:/mirror directory at /usr/bin/apt-mirror line 342

The title of this question is the error message I receive after installing apt-mirror and apache2. As per the instructions set out by all the guides I've encountered. It informs me to modify ...
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19 views

How can I install dependencies from source in Lubuntu 14.04?

I need to rebuild and install one of the packages which is in the apt repositories (i.e. with modified options to ./configure). I first tried downloading graphicsmagic from the repos as a dependency ...
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Vivid apt-get update huge Package files in /var/lib/apt/lists/partial

# ls -Ssh /var/lib/apt/lists/partial | head total 88G 46G security.ubuntu.com_ubuntu_dists_vivid-security_main_binary-amd64_Packages.bz2 42G ...
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29 views

Removed lots of files on /boot but still the availble space is 0

I need to install some applications on my ubuntu, but apparently my /boot partition is full. running apt-get -f install Unpacking linux-image-3.13.0-49-generic (3.13.0-49.83) ... dpkg: error ...
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1answer
26 views

ERROR 403: Sorry, not allowed to fetch that type of file: jdk-7u80-linux-x64.tar.gz in 14.04 [duplicate]

I have had oracle's jdk7 installed on my 64bit Ubuntu 14.04 now for some time and it has behaved as expected. However lately all my updates has ended in errors and after some research I found the ...
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1answer
57 views

Software updates stuck downloading after 15.04 upgrade

I recently upgraded my system from 14.10 to the new version (I know, my second mistake, the first one was the upgrade to 14.10), 15.04. Let's say that since I did that, last Friday, I didn't notice ...
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1answer
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How to only apt-get update to update sources that haven't been updated recently, like today?

If I add a new repository, I have to run apt-get update before I can install packages from that source, of course. But it takes a few minutes for that to complete. Is there an easy way to do ...
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1answer
47 views

dpkg broken after 15.04 upgrade fail

I began the ubuntu upgrade before leaving for work and returned to something broken. After some efforts to get more information to fix this problem I've done the following: >sudo apt-get ...
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1answer
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apt-get works via proxy, but nothing else does

This pertains to Ubuntu 14.04 behind a proxy server that requires authentication. I've managed to get apt-get working via proxy. My /etc/apt/apt.conf looks like this: Acquire::http::proxy ...
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zfs broken after upgrading package spl

Just now I did an apt-get upgrade, which upgraded package spl to 0.6.4.1. After rebooting, my zfs-formatted disk failed to mount. How should I regain zfs functionality? All zfs commands are now ...
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30 views

Unable to install kernal source in kali Debian OS [closed]

I have some issue my OS and I don't know how to handle, I have googled allot but no success, here is my problem. I want to install Linux headers in my Kali Debian OS. I have used following commands, ...
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1answer
29 views

How to remove failed dpkg .deb installation

I tried install .deb file using the dpkg -i command. However the installation failed, when I tried sudo apt-get install -f I just get this error: -- Installing init scripts. Sweet! Please run `prey ...
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1answer
18 views

Firefox reinstalled, but not xul-ext-webaccounts

I wanted to reinstall Firefox, so what I did was: sudo apt-get purge firefox And this was the output: Reading package lists... Done Building dependency tree Reading state information... ...
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1answer
41 views

VLC media player Installing error

I'm totally new to Ubuntu, I have version 14.04, and when I go to Software Centre to install VLC Media Player it gives an error: "Package dependencies cant be solved" The following packages have unmet ...
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31 views

Installing fglrx on Xubuntu 14.04 won't work in any way [duplicate]

I cannot seem to install the ATI driver on Xubuntu 14.04.2. When trying to run sudo apt-get install fglrx or sudo apt-get install fglrx-updates I get the follwing error message: The following ...
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1answer
236 views

VLC will not install in Ubuntu 15.04 [duplicate]

VLC was working fine until I upgraded to 15.04. When I try to install via Software Centre, I get this error message: The following packages have unmet dependencies: vlc: Depends: vlc-nox (= ...
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22 views

Need help with installing a package (dpkg problem)

When trying to install insight from some ppa repositories i get these errors. sudo apt-get install insight Reading package lists... Done Building dependency tree Reading state information... ...
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Upgrade Evolution in 14.04? No PPA and overwhelming dependancies to build

Is it reasonable to install a current version of Evolution (say 3.16.1) on Ubuntu 14.04? I added the recommended 'ppa:fta/gnome3', but I'm still only offered 3.10.4 from the Ubuntu archive. It seems ...
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Install linux-image-$(uname -r) non-interactively

How do I install linux-image-$(uname -r) non-interactively? sudo apt-get -y install linux-image-$(uname -r) The above command will get me past the initial "do you want to install this" prompt, but ...
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1answer
15 views

Can't install anything via apt-get - openjdk errors

I have become unable to install anything on my Ubuntu 14.04 box. When I try to, I get the following error: No apport report written because the error message indicates its a followup error from a ...
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4answers
64 views

How to get removed a broken package (in this case “click”)?

How to get removed broken package click? I'm trying install ubuntu-sdk in my 14.04 Ubuntu. I am getting too many errors. sudo apt-get autoremove -f click Reading package lists ... Done Building ...
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1answer
39 views

How can I know which options have been passed to ./configure while compiling / building a Debian package?

To close voters: This question is different from the question linked, because its scope is to find the options passed to ./configure during the building of a generic Debian package, not only to find ...
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Why is `apt-get update` telling me to run `apt-get update`? [duplicate]

I recently autoremoved my old unused kernels. At the end of the process it output this message: W: Duplicate sources.list entry http://dl.google.com/linux/talkplugin/deb/ stable/main amd64 Packages ...