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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System updates are broken

I'm not exactly sure what the problem is, but I can't update Ubuntu 14.04 LTS. I also have this error showing up: (it's transparent because I screenshotted just before the drop-down closed) When I ...
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dependency in ppa

i have a package(fcl) in my ppa in my launchpad ppa and it depends on another package (libccd) which is in another ppa ppa:imnmfotmal/libccd. FCL has both build and run dependency in libccd. SO i ...
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Error on Updates [duplicate]

I want to ask if this is a bug on the update or not? W: Failed to fetch http://ppa.launchpad.net/freyja-dev/unity-tweak-tool-daily/ubuntu/dists/vivid/main/binary-amd64/Packages 404 Not Found W: ...
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sudo apt-get is not working

So I keep trying to run the following command sudo apt-get install libaa-bin and every time I get the message. Unable to fetch some archives, maybe run apt-get update or try with --fix-missing/ I' ran ...
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i can not update

hi and please help here stelios@stelios-desktop:~$ sudo apt-get update [sudo] password for stelios: sudo: unable to open /var/lib/sudo/stelios/1: No such file or directory Ign ...
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Pango Build Error (GTK+3 build)

I am building GTK+3 (3.16.6) latest version on my Elementary OS desktop (Ubuntu 12.04) following these installation instructions at GTK website. I have successfully built and installed the following ...
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Trying to reinstall apache2 due to an issue i had with websvn libsvn1 error

When trying to reinstall apache2 with all the dependencies that i need i get this. I run this: sudo apt-get install libapache2-mod-svn and this is the error that i get Reading package ...
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1answer
18 views

(kubuntu) Can't Remove KaliTools from system

I have problem with Kali tool it can not remove and when a type in terminal sudo apt-get upgrade it does not work It say that when I type sudo apt-get upgrade or when I type anything ...
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Probable server issue - unable to apt-get update

When I run: sudo apt-get update I get this error at the end: W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/Release Unable to find expected entry 'restricted/source/Sources' in ...
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1answer
58 views

How to pin a PPA package?

I've installed ppa:ondrej/php5 (in order to use latest PHP 5.5) in Ubuntu 14.04 LTS, but it also includes apache2 package, which causes me unable to install apache2-mpm-worker: $ sudo apt-get install ...
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17 views

Synaptic is giving me an error

After I start up synaptic this error message shows up. How can I fix this? E: Encountered a section with no Package: header E: Problem with MergeList ...
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40 views

How do I determine the location of the debian package for an installed application?

Using dpkg, I see that Chef version 11.2.0 is currently installed: $ dpkg -l | grep -i 'chef' ii chef 11.2.0-1.ubuntu.11.04 The full stack of chef I'm ...
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More about synaptic package manager

A day after yesterday I'm trying to install GNS3 in my Ubuntu 14.04. At first step of instruction it said that I have to install dependencies using synaptic package manager, and said that synaptic ...
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What is the command for focus of debconf popup window?

I have created a script to show a debconf popup for my custom deb package to warn the user that he has not installed java-oracle. When I run the install through the Ubuntu Software Center the ...
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2answers
40 views

Whatever the command I give

I'm using Ubuntu 14.04 LTS and amd64 bit processor Whatever the command I give(Except sudo apt-get autoclean), I'm getting the below response :- dpkg: error processing package libuuid1:amd64 ...
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21 views

apt-show-versions displays error of “Use of uninitialized value…”

When daily Cron runs apt-show-versions the following error is displayed. /etc/cron.daily/apt-show-versions: Use of uninitialized value $value in substitution (s///) at /usr/bin/apt-show-versions line ...
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1answer
33 views

Cannot install libgfortran3 (unmet dependencies)

I cannot install ligbfortran3. What is the best way to solve this ? I want to keep my install as standard as possible. Thank you. root@arau:~# apt-get --simulate install libgfortran3 Reading package ...
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1answer
26 views

Intermittent apt-get install issues when creating an AMI using Packer

I am trying to create an AMI based on ami-3b054701 in the ap-southeast-2 region. The Packer config has one simple provisioner: #!/bin/bash -e info() { echo -e "[INFO] $1\n" } exec_cmd() { ...
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1answer
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apt-get: error while loading shared libraries: libstdc++.so.6:

cannot open shared object file: No such file or directory This started after rebooting the server (sudo reboot). I am running Ubuntu 14.04 on AWS AMD64 server. Have searched high and low and ...
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1answer
36 views

Learning more things about dependecies and repositories

A month ago I moved from Windows to Ubuntu. While using Ubuntu I notice some things about installing software. I've read some installation guides about installing software, and been curious about two ...
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1answer
28 views

Force resolve a dependency conflict apt

# apt-get install -reinstall xserver-xorg-input-all The following packages have unmet dependencies: gnome-control-center : Depends: libcheese-gtk23 (>= 3.4.0) but it is not going to be installed ...
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Screenshots for self hosted debian repos?

According to this link, you can add screenshots to a debian hosted package, but what about packages in repos that you host yourself and manually add to your list of sources? I've never actually run a ...
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2answers
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Update errors Ubuntu 14.04

For a while after using the update manager, each time I get a message saying "the installation or removal of a software package failed." When using a lot of apt-get commands I also get an error ...
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1answer
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Dependency is not satisfiable: libglibmm-2.4-1c2a (>= 2.42.0)

Updated my mysql to 5.6 and as a consequence broke my preexisting mysql workbench. Trying to reinstall the newest mysql workbench, from both the Software Manager and the latest .deb from their ...
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1answer
26 views

Problem with apt-get update (error) [duplicate]

I have problems with apt-get update once in a while. This error is shown sometimes I try to run this command: sudo apt-get update E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource ...
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2answers
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While installing this code i am getting an error IP address not found [closed]

I am using Ubuntu 10.04 LTS. While using this code i am getting an error. why so? sudo cp /usr/local/lib/libgraph.*/usr/lib
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Oracle 10G edition support in ubuntu? Why this eror occurs any solutions? [duplicate]

W: GPG error: http://oss.oracle.com unstable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2E2BCDBCB38A8516
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1answer
25 views

E: dpkg was interrupted, you must manually run sudo dpkg --configure -a to correct it [duplicate]

I am trying to run following command $ sudo apt-get install cron but it gives following error E: dpkg was interrupted,
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1answer
33 views

Why does the Software Updater allow me to update the package list without authentication unlike in Terminal? [duplicate]

I have found recently that when running the Software Updater GUI it automatically, without asking for authentication, updates the local package list, but when running the equivalent in Terminal ...
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1answer
44 views

how to install bokken 1.8 or latest in ubuntu 14.04

i am trying to install bokken 1.6,1.7,1.8 in ubuntu 14.04 same error accer plz help me error is here najeeb@najeeb:~$ sudo apt-get install bokken [sudo] password for najeeb: Reading package ...
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19 views

Unable to run Java in Ubuntu 14.04 using alien with .rpm file [duplicate]

I have installed jre1.8 and jdk1.8, using alien with .rpm extensions. Both are in /usr/java. But when i use java -version or javac -version command. it displays The program 'javac' can be found in ...
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63 views

Best way to install PyQt5 for Python 2.7 on Ubuntu 14.04

I am attempting to install PyQt5 on my Ubuntu box. I have been able to install the packages for Python 3, however,I have code that depends on pygraphviz which has a hard dependency on Python 2.7. I ...
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1answer
50 views

apt-get really slow but no internet problems

I'm running into an issue where running apt-get update and apt-get install are really slow. It's relatively quick (~600 KB/s) for the first 5 seconds but then slows down to 4 KB/s or less. I don't ...
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24 views

APT complaining about no space left on device, although there is plenty

I'm having an issue with an Ubuntu server. It currently is not happy with APT for some reason and is giving me the following error: SystemError: E:Could not open file /var/cache/apt/srcpkgcache.bin - ...
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APT-GET behind a proxy with DIGEST Authentication

I've edited apt.conf, applied "system wide configuration", edited /etc/enviroment, etc... but out of luck. My company is running a Squid proxy with DIGEST authentcation, which I think APT doesn't ...
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3answers
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Software-center crashed and problem with apt-get install -f

My software center on ubuntu 14.04 crashed. Some sources say that i have to do sudo apt-get purge software-center. but, when i run it there is some error, one of them is E: Unmet dependencies. ...
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2answers
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APT totally broken

i am on Ubuntu 14.04 and my apt is totally broken. The problem started with grub-pc package and now continues , along with that package, with libuuid1:amd64 package. intsallation of libuuid1:amd64 ...
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GPG error: http://ppa.launchpad.net trusty InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?)

I have been getting this error and its stopping me from downloading latest updates I have looked into other forum posts but im an absolute noob and they werent very clear and/or hard to understand and ...
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26 views

Got 403 error with regional aws S3 apt mirror

My instances are in us-east-1 and suddenly accessing us-east-1.ec2.archive.ubuntu.com.s3.amazonaws.com started got 403 error from 2 days ago. Anyone had the same issue?
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Resolving Wine Dependency Errors

Here's the broken package problem I get from wine: The following packages have unmet dependencies: wine1.7 : Depends: wine1.7-i386 (= 1:1.7.12-0ubuntu1) E: Unable to correct problems, you have held ...
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25 views

Unable to find expected entry 'restricted/source/Sources'

I was installing Ubuntu 14.04 in my lab machines. I found apt-get update is not working properly in 14.04 (tried all LTS versions) and 15.04. Its giving following error messages for all the computers. ...
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1answer
39 views

dependency problem mysql-server

I upgrade my server time to time with apt-get update then apt-get upgrade and dont use anything else. but these days I have a problem with mysql-server. apt-get cannot upgrade anything else, it break ...
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2answers
25 views

Trouble while installing redis-server

So for some reason it seems that the installation of the redis-server that was serving the sidekiq on one of my machines got removed (How does that happen?). I assume this because commands like which ...
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2answers
86 views

Dependency: libasound2 (>=1.0.16) required for sl-modem-daemon

I'm trying to install a SmartLink modem on Ubuntu Trusty. I need to install sl-modem-daemon but I have no Internet access so I cannot use Ubuntu Software Center to download the dependencies. I used ...
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upgrading gnome shell to 3.16.3 in ubuntu 15.04, some changes didnot took place correctly

Today I decided to upgrade my gnome to 3.16 because of the significant changes. so I searched it on the web and found the way to do that. I added two repositories: sudo add-apt-repository ...
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1answer
21 views

How can I install libsdl-ttf2.0:i386 without nuking my system?

I'm trying to play Toribash, and after regularly installing all of the required libraries, I decided to try the i386 ones and they solved the problems. Until I got to libsdl-ttf2.0. Trying to install ...
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1answer
28 views

Unable to Install OBS

I'm a super new Linux user and need some help installing OBS. I go through the steps on this page (and have tried others). The error I get is this: W: Failed to fetch ht ...
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27 views

deleted /var/cache on ubuntu 14.04 and apt-get and other programs crashes on terminal

I have installed Ubuntu alongside windows and have allocated only 10GB for the root. I kept getting messages that there's no space so I found according to the best voted answer in the following that ...
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357 views

Why is package 'xul-ext-ubufox' is required to install the Firefox package?

When trying to install the Firefox package on Ubuntu 14.04 it prompts me to also install xul-ext-ubufox: $ sudo apt-get install firefox Reading package lists... Done Building dependency tree Reading ...
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2answers
41 views

Fix “half-installed” package

I have the latest google chrome but accidentally tried to install the .deb package i downloaded two years ago, then cancelled with ctrl-c when it was unpacking, now it keeps telling me its half ...