APT (Advanced Packaging Tool) is the standard software package management system for Debian and its derivatives.

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Why did adding the Debian testing repository create so many package dependencies?

I have Debian 6.0.4, and I'm running an outdated Geany text editor package. There's no newer version available in the current stable repository, so I added testing packages to sources.list: #debian ...
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How to find out if a specific package is installed on Debian?

I'm working with a Raspberry Pi B+ and Raspbian 5/5/2015 and some guides that are a few years old. I've got an external NTFS HDD hooked up to the Pi. Due to the articles age(s), common practices ...
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Debian: keep custom changes in initscript

I had to modify the initscript for Postfix /etc/init.d/postfix to customize it for my special needs. Now I want to ensure, that in case of the postfix package being updated in the future (I am running ...
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How does AptConf work in Debian Wheezy?

As far as I understand, the /etc/apt/apt.conf file of Squeeze has been broken into separate files within the /etc/apt/apt.conf.d/ directory in Wheezy. The debian wiki has not been updated yet and it ...
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Why do I constantly have to update my apt cache?

When I want to install a new package, I'm usually greeted with a response like: oliver@cloud:~$ sudo apt-get install unison Reading package lists... Done Building dependency tree Reading state ...
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What are pros/cons of dselect and apt-get?

I hardly ever hear anyone mention dselect, a deprecated package management front-end for Debian. Considering that it still exists as part of dpkg source, it must still have its uses. What are those? ...
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How to find files that are not owned by any package?

In my system I have files that not belong to any package, they are mine or from compiled programs installed with make install. How can I find all files that do not belong to any package?
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uninstalling iceweasel with apt-get autoremove

When I try to uninstall iceweasel it wants to uninstall dependencies like 'gnome' and 'gnome-core', which of course I don't want. I tried to follow several instructions in apt-get - autoremove wants ...
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Are Ubuntu PPA Repositories usable on Debian wheezy?

I'm using Debian wheezy and i wonder are Ubuntu PPAs hosted at Launchpad safe to be added & used on Debian?
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When does “apt-get install” ask me to confirm whether I want to continue or not?

Sometimes "apt-get install" asks me "Do you want to continue [Y/n]?": root@T43:~# apt-get install chmsee Reading package lists... Done Building dependency tree Reading state information... ...
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190 views

Using apt or aptitude to get version information about an uninstalled package?

I'm looking to install a package, but I'd like to make sure that I can't get a more recent version than, e.g., a PPA. Is there an aptitude or apt-get command that will enable me to input a package ...
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669 views

upgrade xdebug without using apt?

I'm running debian 5.0.6 and have installed xdebug 2.0.3 via aptitude. Now I want to install PHPUnit, and when trying to do it through pear, I get the error that PHPUnit wants a more recent xdebug ...
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Why does apt-get think packages “are no longer required”

I ran apt-get install raspberrypi-net-mods on my Raspberry Pi running Raspbian and got the following message:- The following packages were automatically installed and are no longer required: git ...
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2k views

Get apt's key ids and fingerprints in machine-readable format

I'm trying to patch an issue in puppetlabs-apt to enable the use of key fingerprints as identifiers to ensure that a certain key is present by its 40-digit key fingerprint. I'm having difficulty ...
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249 views

How to install a specific debian package

I want to install a particular version which is not available from apt-get utility but is available from https://packages.debian.org (like https://packages.debian.org/wheezy-backports/exfat-fuse for ...
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I can't install new packages and can't update and upgrade

I'm trying to install some program on Ubuntu, but when I try it I got the following error.- E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock ...
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How to list all aptitude user tags or the user tags for a package?

I'm in a bit of a pickle. Following my own counsel I started using user-tags when working on projects, but now I don't remember how I called some of these tags and this cancels their usefulness. Is ...
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What exactly does the --names-only option of apt-cache do?

According to the manual, it search regex... search performs a full text search on all available package lists for the POSIX regex pattern given, see regex(7). It searches the ...
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Can removed Debian packages have leftover files?

I noticed a weird thing in my /etc/init.d files and tried to look a bit what was going on. Here's my problem: # apt-file search /etc/init.d/minissdpd minissdpd: /etc/init.d/minissdpd # ...
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Why am I getting so many hits searching for “git” in the apt cache?

When I give the following command: apt-cache search git | wc -l I get the answer 756. How can I list just the half-dozen or so apps associated with git?
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How to make apt recognize an installed tar package?

I've installed Oracle Java. I want to be able to remove OpenJDK, but when trying to do so apt wants to install another version of Java. How can I configure apt so that it knows I already have a ...
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861 views

How to select packages start with “mate-” but not end with “-dev”?

I want to install all MATE packages, $ sudo apt-get install '^mate' However, it selects too many packages, and some packages are conflicted with some installed ones. Now, I want to exclude them. ...
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What package managers do popular Unix Distributions Use? [closed]

I am creating a Script and I need to know what package manager each Popular Unix Distribution Uses (especially those distros that are commonly-used for Servers)... I mean: Debian uses apt-get Fedora ...
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Two different lists of installed packages

I'm trying to get an authoritative list of installed packages in order to find the explicitly installed ones as is done here. This command gives me one list aptitude search '~i !~M' -F '%p' ...
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What is the difference between the “jessie” and “jessie-updates” distributions in /etc/apt/sources.list?

The debian wiki page for the apt sources list gives this example file: deb http://httpredir.debian.org/debian jessie main deb-src http://httpredir.debian.org/debian jessie main deb ...
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Get kernel source: apt-get install vs apt-get source

I'm looking forward to download a Linux Kernel to get to know how to modify it and how to compile it. I am using Debian distribution and I'm interested in the Debian-modified Linux Kernel rather than ...
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apt-get shows important packages as “no longer required”

I recently installed Kali Linux in my system. It came with a preinstalled Iceweasel. However, instead of Iceweasel I wanted to install firefox so I followed this guide and installed firefox ...
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Problems with apt-get upgrade on Debian (404 Not Found)

I can't update my Debian Sid system. on running the apt-get upgrade I am getting: maciej@wladyslawa:/etc/apt$ sudo apt-get upgrade Reading package lists... Done Building dependency tree ...
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listing packages in Debian, a la `dpkg -l`, but including the package origin/source

I want to list all packages of the form $ dpkg -l libav\* but in addition to this output, I would like the origin/source (I'm not sure of the preferred term) of each package. If the package doesn't ...
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Strange messages on (un)installation

A lot of times when I (un)install packages, I get strange warning messages. Here's a snippet: Processing triggers for libglib2.0-0 ... Processing triggers for man-db ... Processing triggers for ...
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531 views

Should I change Debian repository after dist-upgrade?

When I installed Debian, it was Debian 7.0 with the Debian wheezy repository. After these commands sudo apt-get update sudo apt-get upgrade sudo apt-get dist-upgrade this command shows me Debian ...
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SSH pipe broke while running apt upgrade. What can I do about it?

I was connected to my aws debian wheezy server and while running apt-get upgrade the ssh pipe broke. I didn't use screen or anything, so I don't think there's a way to recover that session. If I ...
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track down executables installer

I have a freshly installed debian system It has vim installed using apt-get install vim Now I have the command xxd installed on the system. I know that this had to have come from the vim ...
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On Debian Testing: How to get a recent Iceweasel Release (non-ESR) version without updating to Unstable?

I'm on Debian Jessie / testing. It currently has Iceweasel 17, but I would rather like to use a more recent release (Mozilla "Release" or "Firefox" 'channel' - currently Iceweasel 25). ...
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Why I was able to fix a broken package with aptitude but I could not with either apt-get or synaptic?

Yesterday I upgraded my Debian Testing and Audacious stopped to work. Troubleshooting I found that the problem was that it was updated to a recent version but the needed plugins were not. I tried to ...
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Installed using apt-get, then ran out of storage

I attempted to install a large package, forgetting that I had little space left, and now I am a little stuck. When I attempt to remove any packages I get the following error: E: dpkg was ...
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Are bsdutils, coreutils, and busybox all necessary in a Debian install?

I first installed Debian with a netinst CD without networking, then edited /etc/apt/sources.list to point to the main repository, then ran dhclient eth0 to set up networking. Then I installed less. ...
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Debian squeeze (stable) broken packages after installing something from wheezy (testing)

root@server:/home/ante# apt-get install build-essential Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may ...
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Is that possible to know the user that installed a spcify package?

I don't feel easy with Unix package tools, and I wonder whether it is possible in Ubuntu to list all installed packages, and see the users that installed them ?
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Consequences of setting up POSIX locales

Small background of the situation: We are using several UBUNTU servers having English as working language; however having en_US locale set in machines we encounter problems with apt-cacher-ng ...
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apt-get install gives 404 not found, but URL works

I am trying to set up an apt repository. This repository is actually replacing one that already exists and is functioning fine. I can't manage to install a package from this repo. In my ...
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Package management without the need of root permission

Am looking for a way to install packages in home folder. This thread suggests using apt-get source ./configure --prefix=$HOME However, it doesn't provide a way to manage dependencies like apt-get ...
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apt-get doesn't upgrade openssl on debian 7

I'm facing the following problem. If I run the command sudo apt-get upgrade, I get: Reading package lists... Done Building dependency tree Reading state information... Done The following ...
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No installation candidate for compiz

I tried to install 3d effect on my Debian Wheezy using command $ apt-get install compiz compizconfig-settings-manager compiz-fusion-plugins-main compiz-gnome compiz-gtk But it gives the following ...
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apt-get: install modified package with dependencies

I have downloaded a Debian package lxde, together with all its dependencies: apt-get install --no-install-recommends lxde --download-only So now, I have all packages in my /var/cache/apt/archives. ...
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Can I upgrade to a new version of Python on an old version of Ubuntu?

I have Ubuntu 8.04.3 LTS and ran this: $ sudo apt-get install python2.7 I got this: Reading package lists... Done Building dependency tree Reading state information... Done E: Couldn't find ...
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Trouble migrating from Yum to apt-get

I recently migrated from using Fedora to Debian. And I'm having some issues with the package manager. I used to be able to search for packages via yum using : yum search ...
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Reinstall versions of software not found in repositories

I recently installed the utouch-daily PPA, and it's given me some problems. How can I revert to the packages available in the default repository? I've removed the repository from ...
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How to influence order of package upgrade (apt-get upgrade/dist-upgrade)

We are hosting a branch of the debian jessie repository with custom, backported and patched packages. Every product release an ISO installer is created from this repo. We now noticed that an upgrade ...
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How to find Debian packages that would free up the most space

Say I have a Debian machine where I would like to free up space on '/' by removing useless packages. To find good candidates of packages to review, I would like to focus my attention on the largest ...