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 to force apt-mirror to produce more detail?

I'm using apt-mirror to copy all package in some repository and make my own local repository. But there is a problem. apt-mirror does not make enough information about what is it doing or what it was ...
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920 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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112 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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162 views

how can I fix? Error: Opening the cache

I'm new to Ubuntu.I installed the newest version two days ago. I used the Software Updater and when I restarted the computer the Dash and Launcher were missing. I tried reinstalling the OS, the dash ...
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457 views

Can`t update Ubuntu 12.04LTS headless server via terminal

I previously tried to update to 3.2.0.36-linux-generic but this was broken for some reason so every time I restart my server I have to boot 3.2.0.35-linux-generic. When I try sudo apt-get upgrade I ...
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377 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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241 views

12.04.2 LTS hangs up on boot - but with startx start the graphical surface

3.2.0-48-generic-pae,Ubuntu 12.04.2 LTS, GNOME 3.4.2 I updated the system today, and cleaned up with apt-get autoclean, apt-get autoremove and now I have a problem. At the start while the system ...
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232 views

Error during “Starting system logging syslog-ng” Ubutu server

Here the output when I try to install or upgrade something with apt-get: Starting system logging syslog-ng Error opening file for reading; ...
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243 views

Unmet dependencies after trying to install gcc-4.7 on Ubuntu 12.04

I know there are already many questions about unmet dependencies but none of them helped me so far. Even this really detailed answer (How do I resolve unmet dependencies?) didn't solve my problem. ...
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37 views

how to use slirp to build packages without sudo?

A comment to the answer of the question: Is it possible to run pbuilder without root privileges? says this, If Slirp works out of the box and doesn’t require root (for writing to /etc and ...
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58 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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418 views

Trouble with apt-get, libc6, and locales: Can't upgrade/install anything

OS: Ubuntu 12.04 64 bit I'm in a bit of a serious bind here. I was trying to get my webcam working, so I installed gstreamer and then was installing cheese to test it. But in doing so, something ...
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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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351 views

Unable to install or update anything in 12.04

recently I ran into a problem which seemed pretty similar to that described in this post: How do I deal with "unauthenticated sources" errors in the Software Center? I was receiving this ...
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178 views

Recompile Qt Creator with Qt4

Qt Creator on Ubuntu 13.04 has the cursor theme wrong. I've read this is because Qt5 applications do not integrate in Ubuntu well. So I want to recompile Qt Creator using Qt4. I've downloaded the ...
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46 views

How do I list all files not managed by apt, or files that have changed since installation?

I have just started provisioning machines using Chef, and I would like to make sure that I cover as much as I can. As such, a lot of the machines I manage still have a lot of cruft, so I'd like a way ...
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30 views

How can I use a proxy for a specific ppa?

I just want to use a proxy for 1 or 2 specific ppas, not all ppas. How can I do this? I've tried to put: Acquire {http::proxy “http://user:pass@yourProxyAddress:port”} in apt.conf, but that ...
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659 views

Red Triangle with exclamation mark, next to wifi symbol, in ubuntu 13.04

I have a red triangle at top on screen, that says "The update information is outdated. This may be caused by network problems or by a repository that is no longer available. Please update manually ...
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142 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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422 views

Why does the nvidia-cuda-toolkit installer from nvidia install different files than apt-get nvidia-cuda-toolkit

I'm in the process of installing CUDA on an Ubuntu 13.04 system with a GeForc0e GTX 670MX graphics card. I first downloaded cuda_5.0.35-linux_64_ubuntu11.10-1.run from nvidia's website. This installs ...
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53 views

quickly dependecies problem

I use quickly to develop an app. The thing is I wanted to use a library called BeautifulSoup which is found in Universe repository, under python-bs4 library. So I did a quickly configure ...
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93 views

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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211 views

My package system is broken. Changing folder name fixed it (libjack)

Check if you are using third party repositories. If so disable them, since they are a common source of problems. Furthermore run the following command in a Terminal: apt-get install -f apt-get ...
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240 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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198 views

Installation error on Ubuntu 12.10 (x64) for Octave 3.6.2

I'm having a very frustrating problem when installing octave. I already had it installed, but I was not able to run it anymore, the executable simply won't run. That's why I removed it and tried to ...
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565 views

Samsung driver doesn't detect SANE correctly

From 13.04 (server) I'm trying to install the Samsung Unified Printer Driver as specified by https://wiki.ubuntu.com/HardwareSupportComponentsPrintersSamsung which has a dead link. In any event, the ...
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836 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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75 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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525 views

Fix Flash via command line

Like many others (How do I fix Flash issues?) I am having flash issues with firefox Ubuntu 12.04 64bit Firefox 20.0 And for the life of me I can not get Flash to play. I have tried: sudo apt-get ...
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168 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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384 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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207 views

Errors while processing jackey-common and jockey-gtk

I did a sudo apt-get update and sudo apt-get upgrade and keep getting this error: Reading package lists... Done Building dependency tree Reading state information... Done The following packages have ...
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498 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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497 views

Installing software in kubuntu

I have recently installed kubuntu. I am able to install softwares from muon software center. But when I try to do so from the terminal, I get errors. For instance on trying to update, I get: Err ...
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385 views

Input/output error every time I use apt

Whenever I try any operation with apt-get, I get an Input/output error related to libcdio-paranoia1. This has been happening for a while ad I don't reall yknow what's happening, but it has prevented ...
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959 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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299 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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666 views

running /usr/lib/nagios/plugins/check_apt as nagios user does not return the correct result

I have two servers, both running 12.04 server, and nagios-nrpe-server. On both, I have configured the command check_apt, which runs /usr/lib/nagios/plugins/check_apt. On both, nagios-nrpe-server is ...
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104 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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754 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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60 views

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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511 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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228 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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Trying to install PyQt

I try to install packages using apt-get install <name> and I am getting the following error often rash@TESLA:~$ sudo apt-get install python-qt4 Reading package lists... Done Building ...
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53 views

Cannot remove old kernels or install any new packages

I have spent the last two days googling and mining forums to find a solution to this problem. When I try to install anything i get the same error saying that i have all these old kernels. I have tried ...
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22 views

What does it means : '/sbin/ldconfig.real: /usr/lib/libgraph.so.1 is not a symbolic link'

Whenever i use : apt-get upgrade Always at end of line it's shows this :- /sbin/ldconfig.real: /usr/lib/libgraph.so.1 is not a symbolic link EDIT:- ls -l /sbin/ldconfig.real output :- ...