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

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Upgraded to test branch by mistake in debian… how can I go back to stable?

I wanted to upgrade my GLIBC to a newer version on my remote server (to which I only have SSH access), so I added the test branch of Debian to my apt sources. I followed this by the mistake of ...
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Create a subset of debian repo

I need to create a subset of an existing repository that contains certain packages. The dependencies of these packages need to be satisfied. Now, I know how to create an Apt repository from a given ...
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How to erase duplicate repository?

I'm having this problem a few times now when execute sudo apt-get install something... this is the part of the output which tells me there is a problem.. W: Duplicate sources.list entry ...
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Depends: SQLite3 (>= 3.7) but it is not installable

Firstly, I'm new to Linux, so apologies if this is a dumb question... I recently picked up a Raspberry PI 2 and have installed Raspbian (Debian Wheezy). I'm trying to install an application called ...
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RFC822-style sources.list yields “E: Type 'Types:' is not known”

On Jessie, according to man 5 sources.list, I can write my sources.list file in an RFC822-inspired format: Types: deb deb-src URIs: http://http.us.debian.org/debian/ Suites: jessie Sections: main ...
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Can't use apt because python encoding issue

I'm getting a python unicode error every time I try to install or update anything with apt or aptitude, preventing me to update my system. The error I'm getting is the following: File ...
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24 views

build-essential tries to install unrelated package nautilus-dropbox

Whenever I try to install them through the Software Center it will remain at 0% for hours. I instead attempted to install the application I needed by compiling it from source. I needed the ...
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“sudo: apt-get: command not found.” after removing packages [duplicate]

I have a problem similar to the issue here: "sudo: apt-get: command not found." after removing some packages. Did the same stupid thing removing something: sudo apt-get remove gnupg ...
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What provides /etc/exports and how do I find that out?

I have two Debian virtual machines that were built from the same netinstall iso, but probably have different packages installed. One of them has an /etc/exports file for nfs mounts but the other one ...
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16 views

Bypass GPG signature checks only for a single repository

I have read the following article: How do I bypass/ignore the gpg signature checks of apt? It outlines how to configure apt to not check the signatures of packages at all. However, I'd like to limit ...
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30 views

cannot install wine on 17.1 mint: unmet dependencies, broken packages

i have a Linux Mint 17.1 Rebecca - Release amd64 20141126]/ trusty contrib main non-free installed, and the apt-get install wine wont do the trick. it returns the following: Some packages could not ...
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Change apt-get's installation path

I have a machine on which the root partition is running out of space. I have another disk on which there is plenty of free space. How do I configure apt-get to install packages on a different ...
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is there a system-wide “extension” to /etc/services that does not get replaced on package updates?

I know how to use /etc/services but if I change it and the inetd package is later updated via apt-get to a new default one, my changes are gone (happened to me on a apt-get dist-upgrade from Debian ...
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Uninstall Phusion Passenger and repair package database

Some time ago I installed Phusion Passenger with these instructions. I also have the debdeb.org repository in my sources.list. I now want to remove Passenger and install a clean nginx package from ...
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Unix server -bash: sudo: command not found [closed]

I Just bought a server where i have to Install apache2 server when I try using command line sudo apt-get install apache2 than it's gave me error like -bash: sudo: command not found Also apt-get ...
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77 views

Debian dpkg error > libxrender1

apt-get update && apt-get upgrade You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies: libxrender1 : Breaks: libxrender1:i386 (!= ...
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31 views

Debhelper recursive dependency

Unfortunately, debhelper has a recursive dependency. When I try to install with apt-get source --compile debhelper, it says: Reading package lists... Done Building dependency tree Reading ...
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39 views

Why apt wants to remove gnome-core when I try to remove gnome-terminal only?

Why apt wants to remove gnome-core when I try to remove gnome-terminal only? I am also wondering why apt is considering many packages useless? I am using latest version of Kali Linux and it is based ...
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Recreation of apt based source download

Source for a apt package can be obtained with the command: apt-get source foo This produces a directory with four entries in it: a directory of source and three files, foo*****.dsc, foo*****.tar.gz ...
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messed up system after offline package installation for WLAN driver

I'm running Linux Mint 17.1 on my old desktop pc. Since I moved, I had no internet connection, but could use the WLAN of my neighbors. For that, I had to install an old FRITZ! USB WLAN driver. I did ...
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Some index files failed to download - Linux Mint 17.1 Cinnamon

Running sudo apt-get update i get the following error message: ... Ign http://packages.linuxmint.com rebecca/upstream Translation-en_US Ign http://packages.linuxmint.com rebecca/upstream ...
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How to resolve message '… system lacks support for snapshot feature'?

When I do "sudo apt-get update && sudo apt-get upgrade", I usually get this message in my terminal: Sorry, your system lacks support for the snapshot feature. How do I stop this message ...
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Prevent apt-get from using a specific mirror

I am using Cubian X1, a customized Debian wheezy distro, on my Cubietruck ARM board. Running apt-get update fails, as it tries to connect to mirror.isoc.org.il mirror which is filtered inside Iran, ...
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Package deb dependencies unmet error

I am trying to install deb package in a new AWS 14.04 ami instance, but it fail with the following error - The following packages have unmet dependencies: youtube-snapshot-taker : Depends: firefox ...
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63 views

“apt-get install” ends with segmentation fault

I have a following minimalistic sources.list file: root@c:~# cat /etc/apt/sources.list deb http://ftp.fi.debian.org/debian/ wheezy main root@c:~# apt-get update Hit http://ftp.fi.debian.org wheezy ...
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Debian E: unable to locate package [duplicate]

I am attempting to install the lxdm package for debian (wheezy). Running apt-get update does not yield any errors, and my sources.list file is as follows: deb http://ftp.us.debian.org/debian/ wheezy ...
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Can I check which repositories were used for a previous apt-get update?

I stupidly included a Kali repo on my Debian machine and ran apt-get update. I need to check what packages were updated from the Kali repo and if need be replace/remove if needed. I'm not sure if ...
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Logging apt/dpkg activity to syslog

My goal is to log apt/dpkg activity using syslog (rsyslog), so that log entries are sent to central syslog server. dpkg writes to /var/log/dpkg.log, apt writes to /var/log/apt directory. I did some ...
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Any serious risk if Mint 17 thinks it is Ubuntu?

Running Mint 17, just ran apt-get upgrade for the first time in a while, with 350MB download. It stops halfway to tell me /etc/issue is not the package maintainers versions. Ditto for issue.net and ...
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35 views

Problem with apt-get and locales (inappropriate # in .deb package name)

First of all, I'm running Raspbian, any extra needed info, I will post it here, just ask for it. EDIT: Output of locales -a: C C.UTF-8 en_GB.utf8 POSIX I configured en_GB.utf8, about the others, ...
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Error during ubuntu upgrade (errors were encountered while processing)

I am trying to upgrade my ubuntu from 11.10 to 14.10 but I got this error message when I ran sudo apt-get -f install errors were encountered while processing: ...
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Debian - problems updating mysql 5.6

I just tried to update my dev database that runs on debian 7.8. Unfortunately it's now giving me the folllowing error: ... W: Failed to fetch http://repo.mysql.com/apt/debian/dists/wheezy/Release ...
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How can I find the package that contains a program in Debian? [duplicate]

I am using a minimal Debian system which does not have the top program installed. I tried to install top with sudo apt-get install top, but top is not a package name. It seems that top is a part of ...
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What installed nginx?

Something has installed nginx on my system, I have not specfically typed apt-get install nginx. How can I find what has installed nginx ? I only noticed after a reboot, the system is rarely ...
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Debian installs new, non depended on packages

I recently dist-upgraded my jessie box and several new packages were installed. It looks like there were no packages that depend on the new packages, as I could autoremove them flawlessly. An example ...
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Can apt upgrade a package but only if it's already installed?

Is there a way to use apt to apply a pending upgrade to a package, but do nothing if it's not installed? I have many Debian systems, all with different sets of packages, and I want to apply specific ...
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Can't install any packages with apt

I have big problem on my Debian 6 server. I can't install/uninstall any packages on my system. When I try install something I have error: You might want to run 'apt-get -f install' to correct these: ...
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Backup and Restore list of installed packages and APT sources

I commonly reinstall Ubuntu and back up my APT stuff [sources, keys and installed package lists] using the tutorial at http://askubuntu.com/a/99151/371765. However I commonly also remove software such ...
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Is there a command that outputs ONLY the packages explicitly installed by the user? (ubuntu/debian)

I have tried searching for this but there seems to be no command that can output a list of packages (ideally in Ubuntu) that I have installed, not including any dependencies.
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Error while installing Apache; error is “E: Sub-process /usr/bin/dpkg returned an error code (1)”

I followed an online article to remove my Apache from my system. I removed Apache through these commands sudo apt-get purge apache2 apache2-utils sudo rm -rf /etc/apache2-bin sudo apt-get autoremove ...
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Is there a quick way to install packages if there is a prompt?

If I want to install a package, wlhunag: ~ $ pip install django The program 'pip' is currently not installed. You can install it by typing: sudo apt-get install python-pip wlhunag: ~ $ I wonder if ...
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Debian: Can't Install Anything (Package Cannot Be Installed)

So, I have a brand new Debian install. My sources.list looks like this: deb http://http.debian.net/debian wheezy main contrib nonfree deb-src http://http.debian.net/debian wheezy main contrib ...
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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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1answer
37 views

How to make private Debian Repo

I'm reading this tutorial for creating a local repo. Now, I want to make my repo private, so only if you provide a username/password then should you be able to access the Debian package. How do I ...
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3answers
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How can I get recursively list an apt package's dependencies with their installed versions?

I would like to list the recursive dependencies of a given package, with the currently installed version of each dependency. I'd also like one entry on each line, so it's sortable and diffable. ...
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apt-get 404'ing on update [closed]

I recently updated everything on my system to the testing branch of Debian because my laptop didn't like the 3.2.0-4 kernel. After updating, apt-get update stopped working for some reason I can't ...
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55 views

Duplicate sources.list entry

I received following error and then I tried apt-get update to correct it but that didn't work. W: Duplicate sources.list entry http://http.us.debian.org/debian/ wheezy/contrib i386 Packages ...
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Why APT shows inaccurate “Need to download” values?

Sometimes if I Ctrl+C during apt-get upgrade/install *** in terminal, or cancel Software Update UI in Ubuntu and resuming them later I see something like this (regardless the actual package) I ...
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Authentication error with apt-get

I am trying to install CppCMS (A C++ network library) on my Debian computer. I have added the repository sources to sources.list file. When I run: $ sudo apt-get source cppcms I get the warning ...
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How do I know when I installed package FOO

I was wondering if I installed 'Tor' on my Ubuntu 14.04 or it was shipped as a default package since I hadn't remembered installation by myself. So what's the way to find out if a package is ...