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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How can I see a list of new packages for my system

I run muon every few days to keep my system up to date. In the lower left corner, there is a number of available packages which keeps getting bigger! It makes me curious to see what they are. I would ...
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How to find top-level dependencies in a list of deb packages?

Suppose I have a list of packages: foo libfoo bar baz quux And suppose foo requires libfoo and bar, and baz requires quux. I want a way to put in that list, and get out this list: foo baz I.e. ...
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340 views

apt-get install and apt-get update not working

Whenever I am trying to install any application I'm getting the following error: root@utkarsh-HP-Pavilion-g6-Notebook-PC:/# apt-get install gksu Reading package lists... Done Building dependency tree ...
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307 views

Compiled packages and apt-get mess

Due to my work I have to use the last version of gdb (7.7) which is not provide in the ubuntu repositories. For that purpose I download the source code, compiled it and installed it successfully. My ...
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281 views

Install 13.04 Software on 13.10

I want to install the beta for the bitcasa client, but it only works for 13.04. https://www.bitcasa.com/download-linux On the 3rd step of the install page, where it says to : sudo apt-get update ...
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How can I free up space on my main partition and change target directory of apt-get installations?

Here's the situation: I'm using the tool "crouton" on an acer c7 chromebook to run xubuntu 12.04 alongside chromeOS. I mounted the 320GB partition onto "/media/test/", but the main partition which ...
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847 views

dpkg: error processing cgroup-lite (--configure)

i upgrade ubuntu 12.04 server today and i found with this error: # apt-get install -f Reading package lists... Done Building dependency tree....... Reading state information... Done The following ...
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70 views

aptdaemon simulation not updating dependencies

I started playing with aptdaemon on Ubuntu 13.10 recently, and I'm baffled. Calling simulate() on a transaction doesn't update the dependencies list. Debug from aptd shows that several events are ...
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418 views

Cannot install Ubuntu SDK on Ubuntu 13.10

I am setting up a Development environment on Ubuntu 13.10 for developing HTML5 App for Ubuntu. I used the following command to install the Ubuntu SDK sudo add-apt-repository ppa:ubuntu-sdk-team/ppa ...
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43 views

libnm-glib4:386 with amd64

I have ubuntu 13.10 amd64 and I use libnm-glib4 but I also need i386 version of this lib. But amd64 version conflicts with i386 so I can't install it: sudo aptitude install libnm-glib4:i386 The ...
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326 views

Can't Reinstall Ubuntu-Desktop due to strange error with printer-driver-pnm2ppa

I've been trying to fix this error for hours with no avail. My apt-get seems to be paralyzed by an error I'm receiving with this printer-driver-pnm2ppa. I don't actually need the driver but it's a ...
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439 views

GPG error when running apt-get update

I have looked at many of the existing answers to this question and tried their suggestions, but they do not solve or answer the issue I am having. When I run apt-get update, I receive the following: ...
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1k views

How Do I fix my particular broken package system?

So I'm having a bit of trouble with my Ubuntu 13.10 installation. I cannot for the life of me figure out what I did to break it, I think it had something to do with an update not finishing. Anyway, ...
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I used 'apt-get install -f'. Now all my applications are gone and those I have reinstalled look wrong.

I used 'apt-get install -f' when prompted by the updater. Normally this should have fixed the problem, however in my case it seems to have damaged the system quite a lot. Now all my applications are ...
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How to trigger apt-action if program is updated/upgraded?

Question: I want to do some things if a few special programs are updated/upgraded, that is to say when their executable and/or config files get changed/overwritten. Specifically, I want to ...
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1k views

How to install 32bit SDL on 64 bit Ubuntu

I have an application that is dependent ia32-libs. But now that this package has been deprecated, it seems like I'll have to install everything by hand... It seems that that I can install it like ...
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998 views

Ubuntu Server: dpkg returned an error code (1)

I have experienced this error in the past but have been able to resolve it by running 'sudo apt-get -f install'; however, that is no longer the case. I have spent about 4 hours looking into this and ...
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114 views

Preventing apt-get from downloading other packages

I've recently installed Oracle JDK on my Ubuntu. Now when I download any package, apt-get first tries to download oracle-java8-installer. How can I stop it from doing that? Edit: Here's the output of ...
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395 views

“sudo apt-get update” keeps hanging at the same point

Since today I have a problem updating. Every time I try sudo apt-get update the process hangs at the exact same point. ... Ign http://de.archive.ubuntu.com raring-backports/main Translation-de_DE ...
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60 views

apt without root or sudo?

I want to use apt (or pbuilder) to build a package in user's home directory. The home directory has enough space to hold the package's source, its dependencies and binary output. But the apt ...
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3k views

unmet dependencies, linux-server depends: linux-headers-server, but boot is full

Hello I have an problem with unmet dependencies, but I cant fix it. $ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might ...
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155 views

Error while installing cacti

I tried installing cacti with sudo apt-get install cacti. It displays an error message at the end Reading package lists... Done Building dependency tree Reading state information... Done Some ...
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Repository fetch failure

These are the errors I get: (as you can see, I connect to the internet from the education department proxy) W:Failed to fetch http://au.archive.ubuntu.com/ubuntu/dists/quantal/Release.gpg Something ...
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241 views

dpkg error when installing linux

After running: sudo apt-get -f install or sudo apt-get install linux this error appears: dpkg: error processing linux-generic (--configure): dependency problems - leaving unconfigured dpkg: ...
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888 views

Why the installation fails for this package? it says linux-headers not found but it is there

This package is failing to get installed, but the linux-headers are installed. root@sun-Alienware-X51:/var/tmp# uname -a Linux sun-Alienware-X51 3.5.0-28-generic #48~precise1-Ubuntu SMP Wed Apr 24 ...
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80 views

Update Evince Oneiric

I would like to update Evince to the newest version (3.6.1) in Oneiric. When I do apt-cache show evince i get package with this version: 3.2.1-0ubuntu2.3 So I downloaded the newest version with ...
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180 views

`libqapt-runtime' contains empty filename error while updating

Whenever I try to update Ubuntu 12.10, it always gets interrupted by this error: files list file for package `libqapt-runtime' contains empty filename I have tried to install with apt-get as well ...
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398 views

Ramifications of uninstalling GCC 4.7 in leu of GCC 4.6 in Quantal?

I currently have both the gcc-4.6 and gcc-4.7 packages installed in Quantal. I do a lot of software development but haven't had a need for any features that are specific to GCC 4.7. Therefore, in ...
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539 views

Package dependencies errors?

I have some problems with Lubuntu. When I tried sudo apt-get update: Fetched 1,222 kB in 7s (171 kB/s) ...
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1k views

how to remove a foreign architecture?

On Ubuntu 12.04 LTS x64, we'd like to remove the i386 foreign architecture it comes with, but I don't see a "dpkg" command to do this cleanly. In Stuck with foreign-architecture=i386 when using ...
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326 views

apt-get problem. Download stops [12.04]

When I apt-get update or install a software with apt-get install application. It works fine for few second then the download freezes. Same with Ubuntu software center. The download stops after 3 ...
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112 views

Regarding apt-cache search -n on iPhone

I try to search certain package using apt-cache search -n iap cracker, but some list from /var/lib/apt/lists it's not appear. Example: Ojek:~ root# apt-cache search -n iap cracker ...
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801 views

apt-get update will not work on my server

I've just installed Ubuntu Server 12.04 on my spare box, and I'm using a command line interface only to get my feet a little wet. ping google.com does work, so I know my connection is up and running. ...
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Understanding the working of Apt Virtual HTTP Repository

My university has a virtual HTTP repository which we can access by changing our proxy to 10.1.1.224:3142. Our regular proxy to access the internet is 10.1.8.44:8080. It incredibly speeds up download ...
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525 views

cannot reinstall skype after manually removing its “held back” package

I am running 12.04 (precise) Ubuntu on my computer, which I keep it up to date. Recently skype started being listed as a "kept back" package whenever I ran a software update. Stupidly I uninstalled ...
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1k views

Packages not found despite correct /etc/apt/source.list

My /etc/apt/sources.list looks like this deb http://de.archive.ubuntu.com/ubuntu quantal main restricted universe multiverse deb http://de.archive.ubuntu.com/ubuntu quantal-updates main restricted ...
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1k views

How to resolve dpkg error code (1)?

I get the following apt-get error message: sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to ...
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1k views

A TLS packet with unexpected length was received

What kind of errors is this ? I am getting this error while doing the update of my cache with sudo apt-get update Error : Err https://private-ppa.launchpad.net precise/main i386 Packages ...
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Have the repositories been shortened?

I just sudo apt-get updated my repos and it took in total, 5 seconds to get everything. It usually takes 2/3 minutes. Have the repos been shortened?
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232 views

Secure APT GPG problem with Release files

I'm experiencing a problem with apt. We're using our own repository and the users apt is configured to check the peer and host of the repository. Furthermore the Release file is verified (with the ...
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Installing fglrx on Xubuntu 14.04 won't work in any way

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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25 views

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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apt-get crashed during navis installation, how to repair apt-get?

I was setting up a nagios/nagvis/thruk server on a Ubuntu 14.04 LTE. During the installation the apt-get stucks at this step: [Tue Apr 21 13:59:38.493058 2015] [alias:warn] [pid 19412] AH00671: The ...
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apt-get: Unable to locate package

We regularly have this problem on an cluster build regression: create an new VM wait for SSH to be available login, run apt-get update apt-get install python-pip ... and it fails some of the ...
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Some errors with dpkg

This is related to my previous unsolved problem. After I run sudo dpkg --configure -a, I get the following error information: Thanks a lot for your help! Setting up tex-common (4.04) ... debconf: ...
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Opera apt link on Lubuntu?

Does anyone know how to use apt links on Lubuntu with Opera? I've found tutorials that work on Opera Ubuntu and Firefox Lubuntu, but none for Opera Lubuntu. Thanks
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Unmet dependencies when uninstalling a package

I want to remove a package which I have previously installed (well, I tried to install it, but it never installed correctly). The package name is "cuda", and so I tried the command: sudo apt-get ...
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Package dependencies cannot be resolved

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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21 views

Prompt the user to overwrite/compare config file own repo/package

I created my own repository so I can provide a newer version of a package than the one the Ubuntu repository currently holds. I'm using reprepro and fpm to create the .deb package. The issue that I'm ...
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Quick Webhost Script for LAMP - How do I import localhost for www.example.com?

I have the following script written: sudo apt-get update sudo apt-get install apache2 sudo apt-get install apache2 apache2-utils sudo service apache2 restart sudo apt-get install mysql-server ...