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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Apt-get Issues (and random crashes)

I'm running Ubuntu 15.04 (x64, i7, etc.). Everything has been working perfectly for a long time. However, this morning I was watching some videos online (YouTube) when Firefox crashed. I tried running ...
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Problem with libmyodbc - segfault error

I have an issue with libmyodbc as I am not able to connect to the MySQL database that it is pointing to. When I try from isql I get a "Floating point exception (core dumped)" error, and when I try ...
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2answers
46 views

Terminal cannot install anything

I hav been using Ubuntu for quite sum time. yesterday i accidentally deleted the ubuntu partition (from windows) and again installed it. im having the following problems I tried 2 install Google ...
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21 views

install crashdump on ubuntu 1404

I am following [here] to install crash dump on Ubuntu 1404: sudo apt-get install linux-crashdump However, it throws exception as below: ... unmet dependencies linux-crashdump : Depends: ...
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0answers
58 views

apt-get is broken in 15.04. I can't install anything. Perl errors [closed]

I have managed to break my apt-get. When ever I try to install a package I get the following error. Any advice? I am a bit of a noob when it comes to apt. ➜ ~ sudo apt-get install nodejs Reading ...
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1answer
30 views

Unable to locate package libjpeg-dev

I am trying to install libjpeg-dev through the sudo apt-get install libjpeg-dev command on my Ubuntu machine, but keep getting the following error: Reading package lists... Done Building dependency ...
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38 views

apt-get update downloads 88+ GB's

So I installed a new Ubuntu 15.04 system. First thing I did was apt-get update user@user-desktop:~$ sudo apt-get update Ign http://us.archive.ubuntu.com vivid InRelease Ign http://security.ubuntu.com ...
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2answers
26 views

How to tell if a certain package exists in the apt repos? [duplicate]

I am specifically interested in determining whether a 32-bit version of OpenJDK 8 exists in the apt/Ubuntu repos. According to this answer, you can install the 32-bit version of the Open JDK 7 ...
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1answer
29 views

How to install Brosix secure instant messaging on an Aquaris E5 Ubuntu phone

I have already installed the Brosix .deb app on my Kubuntu 15.04 laptop without any problems. I copied the app to the downloads folder on my Aquaris E5 Ubuntu touch phone, downloaded the terminal from ...
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11 views

Update nautilus only? [duplicate]

Can I update only Nautilus in my Ubuntu 14.04? It is really buggy and I've seen that there has been some fixes released to these bugs (eg the copy/paste bug). I'm really reluctant towards doing ...
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0answers
43 views

Can I fix package metadata locally? [closed]

I have a dependency problem. A bunch of packages decided to depend on libgbm1 instead of libgbm1-lts-utopic at some point. What puzzles me is that libgbm1-lts-utopic does not provide libgbm1: $ ...
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1answer
53 views

How to install bimp for gimp 2.8 on ubuntu?

$ sudo apt-get install libgimp2.0-dev Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have ...
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Error while updating Ubuntu 15.04 [duplicate]

W: Failed to fetch cdrom://Ubuntu 14.04.2 LTS _Trusty Tahr_ - Release i386 (20150218.1)/dists/trusty/main/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get ...
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0answers
26 views

Package libgeotiff-epsg is not available and has no installation candidate

I am installing openstreet server on Ubuntu and for that I need to install libgeotiff-epsg package. When I do sudo apt-get install libgeotiff-epsg, it it returning that Package libgeotiff-epsg is ...
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2answers
67 views

I managed to get stuck with my Nexus 4 Ubuntu Phone, I can't reflash it back to the original ubuntu phone image?

I'm researching development on this phone and downloaded a number of packages using apt-get. It ran out of space and stopped. I can't do an apt-get purge because there is no space left ... I tried ...
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1answer
85 views

Can not install steam: E: Unable to locate package

I've ran update and upgrade and are working fine. But when I try sudo apt-get install steam all i get is Reading package lists... Done Building dependency tree Reading state information... ...
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0answers
59 views

Problem in Installing GFortran in Ubuntu 15.04

I really need to install Fortran compiler for my current work. I decided to install gfortran package in Ubuntu 15.04 by following the steps on this link: ...
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6 views

When I try to install an app from the software center I get an error message [duplicate]

Hello Ubuntu community! So ever since I updated Unity to 14.04 I have not been able to install any of the apps from the store. After I click the install button a message pops up that says "you are ...
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20 views

Is it possible to exclude a specific source from “apt-get update” command?

It might not seem like an important problem to you, but it is a serious problem to me! The problem is that every time I run apt-get update command, it can't be successfully done because one of the ...
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20 views

E: Sub-process /usr/bin/dpkg returned an error code (1) when trying to execute sudo apt-get -f install

I get the error "E: Sub-process /usr/bin/dpkg returned an error code (1)" when trying to execute the command "sudo apt-get -f install" to install required dependencies. I've been searching around but ...
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0answers
72 views

Error installing Steam on 14.04.03 (missing 32-bit libraries)

I have the Steam Launcher installed (installed via Software Center), when double-clicking the launcher the following is executed in the command window: Steam needs to install these additional ...
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how to downloand and install RKDET in ubuntu

hello guys i want to install rkdet (rootkit detector) in my system. currently i am using ubuntu 14.04 32 bit. i have downloaded rkdet and read install and read me text file even followed guideline ...
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1answer
32 views

open lock file /var/lib/dpkg/lock - open (21: Is a directory)

When ever i install a new application using terminal command, i get this error E: Could not open lock file /var/lib/dpkg/lock - open (21: Is a directory) E: Unable to lock the administration ...
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2answers
181 views

Package 'ttf-mscorefonts-installer' has no installation candidate

I am having a Java based web application running in Amazon EC2 Ubuntu server. I use Jasper reports to generate some reports in PDF format. I built these reports using 'Jaspersoft Studio' Now, when I ...
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24 views

xz-utils 5.2.1 on trusty: how to compile and re-package? Or ppa available?

I want to compile and use a newer version of xz-utils, in this case version 5.2 as well as create deb-packages to be distributed on different ubuntu (14.04) machines. The recent changes to xz were ...
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0answers
18 views

installing pango and dependencies?

I want to install Pango. According to linuxfromscratch.com the dependencies for Pango-1.36.8 are Fontconfig-2.11.1, and it's dependencies are FreeType-2.6, it's dependencies are Harfbuzz-1.01.1, ...
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136 views

Upgrading KUbuntu 14.04.02 to 14.04.03 - Odd error

I'm trying to upgrade an install of Kubuntu 14.04.02 to 14.04.03, but I keep getting the following error that kills the upgrade. I get it both via apt-get upgrade or when doing it from Synaptic. The ...
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37 views

I accidently deleted /var folder

I was using terminal and accidently typed sudo rm -r /var. I stopped it, when had noticed, and can not see any errors in daily using. But when I want to install apache, nginx or something else. I got ...
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1answer
34 views

Skip updating certain updates in apt-get

A couple of months ago I started following tutorials about updating to the latest stable version of the Linux kernel for Ubuntu -which is currently 4.0.9. The updates where flawless and I noticed my ...
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0answers
30 views

Error while installing packages (for Virtual Box builds)

I am trying to install the following packages - Linux Packages (Website is down for some reasons. Here is the PDF copy of the website - Virtual Box Build Instructions) Here is the code I'm trying to ...
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275 views

Install packages from LTS Hardware Enablement Stack for Ubuntu 14.04.3 has unmet dependancies

I was able to install the new kernel,3.19, however, when I try to get the new packages for the hardware enablement stack and attempt this command sudo apt-get install --install-recommends ...
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40 views

apt-get and Software Center tries to remove core packages

Recently(before I got Ethernet wired on 12.04.01) I tried to install build-essentials and its dependences through .deb files, and failed ultimately so I gave up. Now, I tried to apt-get it now that I ...
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1answer
125 views

Graphics Driver installation problem

I have Ubuntu 14.04.02 installed on my computer. I wanted to install AMD graphics driver file fglrx_15.200-0ubuntu1_amd64_ub_14.01.deb and i tried the command : sudo dpkg -i ...
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1answer
32 views

Problem updating i3

I have a problem with updating i3-wm When I type i3 --moreversion 2>&- || i3 --version I get Binary i3 version: 4.7.2 (2014-01-23, branch "tags/4.7.2") © 2009-2013 Michael Stapelberg ...
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1answer
69 views

can't install wine ubuntu 14.04.2 64 bit

First, sorry because my bad English. I try many ways to install wine on my laptop but have no luck Here is my error log The following packages have unmet dependencies: ...
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Polarssl/sha1 excist failed

Running ubuntu 14.04 on virtual box. Trying to build this oonf git and I got this error when doing the 'cmake ..' command. Have already installed the libtomcrypt-dev so I do not know where this ...
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1answer
30 views

dpkg: error processing archive with texmaker

I am trying to install the latest version of texmaker, by following this answer. It failed and I tried some solutions posted on the internet like this, but with no luck! Check my output: ...
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2answers
25 views

Unable to locate package libtomcrypt-dev

I can't seem to find this package when doing a simple apt-get install libtomcrypt-dev, the error I get is unable to find the package libtomcryp-dev. Version I use is 14.04.02 I need it for my build, ...
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1answer
39 views

Apt-get upgraded package from 32bit to unsupported 64bit - why and how to revert?

Recently the repository of qtox had to change its domain and the new one only contains only 64bit builds at the moment. However, I'm on 15.04 32bit and can't run any 64bit software. Now when I last ...
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1answer
85 views

“E: Unable to correct problems, you have held broken packages” when trying to install a package. Nothing has worked from other threads

The Problem I am trying to install Dolphin Emulator but every time I try it gives me an error. Anything I try doesn't work including many other thread's solutions. sudo apt-get install dolphin-emu ...
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44 views

How to safely remove the gnome desktop and return to Unity?

I've installed the gnome desktop env on my ubuntu 15.04 version. Now I want to remove it completely! Can someone give me the list of items to be removed using apt-get remove to remove gnome? I used ...
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1answer
68 views

407 Proxy Authentication Required when trying to install a package but there's no proxy

Following these instructions http://docs.mongodb.org/master/tutorial/install-mongodb-on-ubuntu/ of how to install mongodb, I got an error: $ sudo apt-get install mongodb-org [sudo] password for ...
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1answer
30 views

When trying to build the OONF package for DLEP implementation there occurs a error with tomcrypt.sh not being found, how do I install tomcrypt?

When trying to build the OONF package onto my ubuntu for the latest dlep implementation it give me this error: #include polarssl/sha1.h it reffers to the tomcrypt.h who isn't there, I can't seem to ...
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How should I arrange a test and production mirror of Ubuntu package repositories?

I want to be able to closely standardise my Ubuntu installations, there's a likelihood that the number of installations I have to complete will rise dramatically soon. I want to put a system in ...
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2answers
37 views

What does status pi of package mean in aptitude?

Packages can be searched and listed using the command aptitude search foo. The status of these packages are listed in the leftmost column. The values of these status is explained in the Aptitude ...
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“Unable to correct problems, you have held broken packages” and downgrading packages?

I'm trying to install M64Py for Mupen64Plus, but this is the result: ➜ ~ sudo apt-get install M64Py Reading package lists... Done Building dependency tree Reading state information... Done Some ...
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2answers
54 views

What is wrong with apt-get?

I can see and apt-get in /usr/bin/: gradinafrica@host:/usr/bin$ ls -l apt-get -rwxr-xr-x 1 root root 178608 Apr 20 2012 apt-get But when I try to run it, I get gradinafrica@host:/usr/bin$ apt-get ...
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3answers
90 views

How do I clear the apt-get remove list?

apt-get upgrade shows that a package is supposed to be removed: gradinafrica@host:~$ sudo apt-get upgrade [sudo] password for gradinafrica: Reading package lists... Done Building dependency tree... ...
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1answer
20 views

stubborn proxy doesn't work

If /etc/apt/apt.conf.d/95proxies is configured properly, and your proxy is pingable, what do I do if apt still doesn't work with the proxy?
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Unable to find expected entry 'restricted/source/Sources' [duplicate]

This is the error I receive: W: Failed to fetch <http://archive.ubuntu.com/ubuntu/dists/trusty/Release> Unable to find expected entry 'restricted/source/Sources' in Release file (Wrong ...