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

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“Unable to find expected entry 'main/binary-i386/Packages' in Release file”

I added a third party repository and now I'm seeing this warning while updating my packages list: W: Failed to fetch http://codezen.org/debian/dists/sid/Release Unable to find expected entry ...
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How to run a command before download with apt-get?

How can I run a command before apt-get starts to download a package? I know about the dpkg pre-invoke hook ( hook a script to apt-get ), but that seems to be run after the download. $ apt-get update ...
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1answer
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apt-get autoremove removes important packages

After some failed attempts to install the nvidia binary blob, I returned to debian's nvidia packages. But now aptitude wants to auto-remove many packages: ant ant-optional apper apper-data fonts-lyx ...
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1answer
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How to distinguish if a systemd unit is run by apt-get or during boot?

Can one somehow distinguish if, a) the daemon was started during boot or, b) (re)started by an apt-get install or upgrade? Can this be distinguished from within the daemon itself? The use case is ...
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Linux doesn't recongnize recent installations

I'm working inside a virtual machine, and I don't know why software installation does not work. I have to restart my machine, but that is not an option.
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Why doesn't wicd install its daemon?

Yet again, I've found myself banging my head against the wall after having issues with wicd (the most consistenly buggy piece of widely-used software I've ever used). This time, after installing ...
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3answers
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Why does python still work after being removed?

On Debian 8 jessie I've removed python: perry@perry:~$ sudo apt-get remove python Reading package lists... Done Building dependency tree Reading state information... Done Package 'python2.7' ...
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How to uninstall gnome-bluetooth dependancies?

As you can see below, I installed (and then deleted) gnome-bluetooth on my Debian Xfce desktop. It's come with a lot of librairies and autoremove doesn't get rid of them. Is there an automatic way to ...
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How to update an offline Debian 7 to Debian 8

I have an offline Debian 7 server, which I would like to update to Debian 8 at some stage, but I fear I'll do it wrong, so here I go ask you first for best practice to go about this. Currently the ...
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uninitialized constant XML::SaxParser / Error retrieving bug reports from the server

I use an old LMDE (Linux Mint Debian Edition) installation that went through several repository changes. I've originally tracked LMDE's repositories, then at one point switched to Debian Testing ...
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My apt-get installer has no autocompletion for some packages

I have installed Kali Linux v1.1.0 (Debian based). Filename completion for sudo was not running at the beginning, so I added: complete -c sudo And everything seems to autocomplete now, except for ...
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Getting the diff of a package update

Before (or after) updating a package with apt-get update, how can I view the source code diff between the the new and the old version?
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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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GPG error with http://volatile.debian.org : 'The following signatures were invalid: NODATA 1 NODATA 2'

I am currently trying to add a new repository to apt-get but it is not working. I'm adding it like this: deb http://volatile.debian.org/debian-volatile wheezy/volatile non-free Then I get this ...
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Device tree compiler won't update

I have a problem on Ubuntu 12.04. I am trying to flash a Toradex Colibri T20 with Linux, following these instructions: http://falstaff.agner.ch/2014/03/16/colibri-t20-upstream-linux-kernel/. However, ...
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error when install library ubuntu 10.10

I have installed Ubuntu 10.10 I have chosen this Ubuntu because I want to run openbts 2.6 on this machine. My problem is that when I run this library: sudo apt-get -y install libfontconfig1-dev ...
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How to solve nsf-common related error when install zsh in ubuntu?

Everytime I install some kind of package, at the last phase, apt-get install could return a common-nfs related error. Why the installation can't be done without this error? detailed pastebin here ...
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How to manage Debian source code packages using aptitude or apt?

Background: I would like to regularly download and install source to /usr/src for certain important development packages. (For me: Qt5 and friends.) I have seen this other question about one-time ...
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“Description Language:” field in apt-cache showpkg

The output of apt-cache provide a field named "Description Language:" in about every file, and - as far as I was able to find out - they all are empty. From man 8 apt-cache For the specific ...
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Broken System due to upgrading libc6

I am using Kali, and I tried to upgrade libc6, because it comes with a lower version than I need. After downloading the latest package from the debian repo ...
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4answers
450 views

Why isn't apt-cache policy output piped?

Cannot get why $ apt-cache policy foo N: Unable to locate package foo but $ apt-cache policy foo 2>&1 | grep . is empty. Where in the latter call am I doing the wrong assumption? The ...
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2answers
247 views

Upgrading packages automatically

I'm fairly new to using servers (debian 7) and I'm currently running cron-apt to e-mail me when there are new upgrades available. Is the following command safe to run when new upgrades are shown? ...
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PHP upgrade after installing phpmyadmin

I had a Debian Server with Apache 2.2 and PHP 5.3 I installed phpmyadmin (sudo apt-get install phpmyadmin). Now, the versions of Apache and PHP have been upgrade (2.4/5.6) Is this possible? How can ...
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1answer
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Debian jessie 8 clean installation

I've installed debian jessie from net iso (~240Mb). On the last installation wizard step, i've unchecked all checkboxes (no kde, web, mysql, and system utilities also). Well right after that "apt-get ...
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2answers
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Is there a way to see why certain dependency of a package is needed?

I was about to install mysql-client-5.5 package which has debianutils package as a dependency. However, I first checked which binaries are installed with debianutils package. It installs nine ...
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Cannot install packages in Mint: “Unable to fetch some archives”

I'm running Linux Mint 16 (Petra). I was able to install packages normally until, at least, april 18th (two weeks ago). Since yesterday I cannot install packages anymore. For example, if I try to ...
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Debian jessie mounted pendrive not trusted by apt

I have installed debian jessie from unetbootin pendrive and without network drivers. After booting from HDD, I have added mounted pendrive to apt sources (with file:// prefix). I have two problems. ...
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Is it possible to “install” a hook that will be called before removal of a package?

Background: on Ubuntu I like to prevent sshd from logging errors when trying to load the ssh_host_dsa_key file when I remove it. There appears to be no configuration option in sshd_config to prevent ...
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apt-get --option -> one time or permanent?

Does apt-get --option set the defined option permanently or is this a one-time action? I know I should try for myself but I have 1 (one) computer here and I really don't want to fumble with the ...
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1answer
51 views

Can apt-get upgrade perform a dist-upgrade from one version of debian stable to the next?

I just wanted to do a regular upgrade on my Debian Wheezy system. I did the usual $ sudo apt-get update $ sudo apt-get upgrade I noticed that the number of packages to be upgraded was pretty large ...
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2answers
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How to check from bash if package exists in debian

I would like to make a installation bash script, where I would like to install mysql server. On linux mint I had followed code: apt-get -y --force-yes install mysql-server-5.6 but I installed new ...
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Debian stable and dependencies

I have a computer running Debian Jessie and am trying to install a version of the FEniCS library from the Sid repository. I've added an unstable.list file containing the repository info to the ...
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Why is the kernel version not updated when I upgrade to a newer release?

I think my Debian 8.0 (Jessie) installation is outdated, but the Package Updater always says All packages are up to date. The result of: sudo apt-get update sudo apt-get -u upgrade is 0 upgraded, ...
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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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1answer
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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 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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1answer
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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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1answer
102 views

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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1answer
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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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3answers
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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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1answer
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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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1answer
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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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4answers
56 views

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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3answers
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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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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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1answer
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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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1answer
60 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 ...