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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Clearing from queue packages without downloading/installing them

I made the mistake of trying to install the wrong version of a program using a downloaded .deb file. It hung up partways because of unresolvable dependencies, and I had to close the shell window to ...
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48 views

Cannot update google-chrome-stable with apt, even using dist-upgrade

I'm attempting to upgrade the package google-chrome-stable installed from the deb available on google's website. I originally installed the package a few months ago, then stopped using this machine ...
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I keep getting the GPG error, I've tried almost all the solutions but none are working in my case [duplicate]

W: GPG error: http://ubuntu.ntc.net.np utopic Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 W: ...
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New Apt tool vs. Aptitude

Ubuntu Utopic has recently introduced a new package management frontend named apt (manpage) which provides a sort of high-level interface to tools apt-get, apt-cache and some other tools in the apt-* ...
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42 views

Unable to reset the dpkg

I am a new user of Ubuntu. I have tried to install wine Mean while my system got hanged So, I have close the command prompt. While, Installing 2nd time, I got an error status was unable to open like ...
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65 views

Fix “Package system is broken” error without synaptic

The package system is broken If you are using third party repositories then disable them, since they are a common source of problems. Now run the following command in a terminal: apt-get install -f ...
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1answer
52 views

Cant Install Python-software-proper or Icehouse on server 12.04.5 LTS (Hash Sum mismatch)

Following a fresh install of server 12.04.5 i need to install python-software-properties and icehouse to build a HP SDN server. apt-get install -y python-software-properties add-apt-repository ...
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1answer
95 views

Unable to locate package libc6-dbg:i386 in docker

I am trying to install libc6-dbg:i386 inside a docker container based on Ubuntu because I need it for Valgrind, but I can't. Given the following Dockerfile: FROM ubuntu:14.04 MAINTAINER Me ...
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1answer
22 views

`apt is not found` when trying to install software on a new Ubuntu laptop from Dell

I have purchased a new Ubuntu system from Dell. To install Latex, we tried the following commands: sudo apt -get update sudo apt -get install texlive -full Both the commands do not work. After ...
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1answer
49 views

Failed to exec method /usr/lib/apt/methods/http

For some reason, when I do sudo apt-get update I get this error: sem@sem-VirtualBox:/etc/apt$ sudo apt-get update Failed to exec method /usr/lib/apt/methods/http E: Method http has died unexpectedly! ...
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100 views

apt-get stopped working because of dependancy issue - libegl1-mesa

tl;dr: Every apt-get command fails because of this: Depends: libgl1-mesa-dri (= 10.5~git1411191810.9460cd~gd~u) but 10.4~git1411171930.920f87~gd~u is to be installed I cannot remove or install ...
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23 views

cant update error message [duplicate]

Every time i type sudo apt-get update it gives this error: W: Failed to fetch http://ppa.launchpad.net/docky-core/stable/ubuntu/dists/utopic/main/binary-amd64/Packages 404 Not Found W: Failed to ...
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24 views

What to do with rogue apt-get process

While SSH'd into a server, I was running sudo apt-get upgrade and I accidentally caused the session to quit (Write failed: Broken Pipe) by doing nothing while the installation was waiting on a prompt. ...
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1answer
108 views

Failed to install untrusted sources and failed to download update information

I changed my server from fastest available to main server, while trying to fix the issue with software manager (untrusted sources failing to install FYI) and I got an error. Here's an error I get: ...
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21 views

Can the program `Meep` be installed in Ubuntu 14.04.1 with apt-get

I recently installed Ubuntu 14.04.1 LTS 64 bit on one of my laptops and I cannot install Meep like I used to install it in Ubuntu 12.04.1 LTS with the single command sudo apt-get install meep h5utils ...
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2answers
112 views

unable to install anything on ubuntu 14.10 with apt-get says files list file for package 'libgnutls-deb0-28:amd64' is missing final newline

when I try to install anything with apt-get its showing same error for all I just installed, nothing yet install yet user@system:~$ sudo apt-get install git Reading package lists... Done Building ...
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1answer
24 views

How do I access files installed with sudo apt-get

I just installed Ubuntu a few days ago and I am trying to download and use VIM. So I went to terminal and ran sudo apt-get install vim, and everything went fine with running the command, the only ...
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i cant update at all [duplicate]

Failed to fetch http://ppa.launchpad.net/plushuang-tw/uget-stable/ubuntu/dists/utopic/main/binary-amd64/Packages 404 Not Found using ubuntu 14.10
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2answers
31 views

Best way to update files on production server from development server

I am developing a website for my own company. To do so I have 2 servers: Server 1: a development server where I upload and test files. I use Adobe Dreamweaver CS6 to put and get files I am working ...
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1answer
22 views

Xubuntu apt-get Errors

when i try to use the command apt-get update these errors appear: E: No se pudo abrir el fichero de bloqueo «/var/lib/apt/lists/lock» - open (13: Permiso denegado) E: No se pudo bloquear el ...
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28 views

apt-get not found

i cannot able to install any package with sudo apt-get <packageName> $ sudo apt-get install apache 2 E: Invalid operation build-deb $ apt-get apache2 E: Invalid operation apache2 $ apt-get ...
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2answers
26 views

How can I re `./configure` on a package installed via `apt-get`?

I have installed PHP using apt-get. I need to enable PDO_OCI using: $ ./configure --with-pdo-oci=instantclient,/usr,10.2.0.3 as per http://php.net/manual/en/ref.pdo-oci.php. How can I do so?
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how to approve ubuntu updates to slave pc?

I'm looking for a solution (webbased or cli) from which i can control which network computers receive an update and which will not. I curently setted up a local repository and i want to control push ...
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39 views

What can I safely remove from Ubuntu and still have a decent graphic interface?

I have come to like Linux, Unix, and the GUI's but sometimes I remove too many things and lose the ability to boot back into the same interface I was using before I rebooted. most of the time I have ...
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1answer
13 views

Access a local repository

I'm trying to access a local repository which happens to be a mirror of the Ubuntu 14.04 trusty release. The stuff all downloads and looks good, but I can't get apt-get to install any packages from ...
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1answer
23 views

dvdnav-config command not found

I installed libdvdnav using the command sudo apt-get install libdvdnav4. I tried to run the dvdnav-config command but I get a command not found error.I tried uninstalling it and installing it again ...
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37 views

14.04 libavcodec-dev package

Any advise on the below problem (please note that this is not a duplicate of the provided link): $ sudo apt-get install libavcodec-dev Reading package lists... Done Building dependency tree ...
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2answers
12 views

What is a package index file

In the following statement about "apt-get update" from linux.die.net is the term "package index file": Used to re-synchronize the package index files from their sources. ... What exactly does ...
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14 views

PYTHONPATH env variable vs. where apt-get intalls packages

Hello I am new to linux generally and to ubuntu in particular. I'm trying to download data from the Python NLTK, which I installed via sudo apt-get install python-nltk. Apparently this put the ...
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106 views

sudo apt-get update problem for beaglebone black

I run ubuntu 14.04 on micro sd card for beaglebone black. I tried to update but i obtained a series of error and warning as follows ubuntu@arm:~$ sudo apt-get update sudo: unable to mkdir ...
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37 views

Problem while upgrading (dependency problems)

When i try to upgrade with apt-get upgrade on Ubuntu Server 14.04 LTS, i get this log: Click here for the log It says that there are some problem with the dependencies of these packages: udev ...
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185 views

Install PHP 5.4 on Ubuntu 14.04 LTS without Compiling

ppa:ondrej/php5-oldstable does not support PHP 5.4 for Ubuntu 13.10 and higher. There seems to be no official or a stable way to install PHP 5.4 instead of 5.5 on Ubuntu 14.04 LTS currently. I've seen ...
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1answer
358 views

sudo apt-get command not found

I cant run apt-get update or anything involves apt-get command. I tried dpkg --configure -a and this is what it said. root@lxoric-AOD270:/home/lxoric# sudo dpkg --configure -a Setting up ...
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3answers
240 views

apt-get install -f wants to remove linux-image-generic

I seem to remember doing the suggested autoremove earlier this year and bricking my system in the process. linux-headers-generic and linux-image-generic seem pretty important. phm@LuckyCompCo:~$ ...
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1answer
267 views

Getting 404 not found errors when doing `sudo apt-get update`

cat /etc/issue Ubuntu 14.04.1 LTS \n \l I am getting the following errors when doing sudo apt-get update, I have tried sudo apt-get dist-upgrade as recommended here but nothing seems to fix the ...
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3answers
150 views

How do I create a local repository accessible from a local chroot environment for O/S building?

I am interested in building my own custom Ubuntu remix, and have been doing so with the Ubuntu Mini Remix ISO. To do this, I mount the disk image and chroot into it, in a manner similar to this ...
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2answers
29 views

Installing graphite-carbon via apt unattended

I'm trying to create an automation script that install Graphite without user interaction (unattended). I try with the following command: sudo apt-get -q -y --force-yes install ...
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16 views

Errors were encountered while processing please help

I installed nmap but when I use apt-get update this message appears: Errors were encountered while processing: /var/cache/apt/archives/nmap_6.47-1~ppa1~u_amd64.deb
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2answers
61 views

Can't add cloud-archive:tools to repository

Trying to upgrade to MAAS 1.7, from 1.5, by updating apt-get repository; however, I am getting the following error: $ sudo add-apt-repository cloud-archive:tools Ubuntu Cloud Archive for cloud-tools ...
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1answer
27 views

Display PPA from which package will be downloaded during upgrade

I have many PPAs installed on my Trusty system. However, I feel that they might try to sneak packages into my system other than those which I include them in the first place. Technically, after adding ...
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8 views

Seeing incorrectly 'Hash Sum mismatch' via apt-get on a mirror…anybody else? [duplicate]

anybody else getting this on sudo apt-get clean all ; sudo apt-get update W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/precise-updates/restricted/binary-i386/Packages Hash Sum ...
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1answer
55 views

Unable to resolve “E: Unable to correct problems, you have held broken packages.”

In Ubuntu 12.04,I am trying to install less and handlers using npm.While installing npm I found this error sudo apt-get install npm Reading package lists... Done Building dependency tree ...
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1answer
45 views

Is boost in ubuntu repo broken?

I have Ubuntu 14.04.1 LTS When I apt-get install libboost-all-dev, there are no libs in /usr/lib/ (I use find /usr/lib -name "boost") and nowhere else in my FS. However, when I downloaded ...
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16 views

Cannot build on launchpad

I have succesfully uploaded my app to launchpad:However it fails to build on both i386 and amd64. Here is the link: https://launchpad.net/~mkamenjak/+archive/ubuntu/bugappppa/+packages Here is the ...
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38 views

Ubuntu 14.04 The update information is outdated [duplicate]

I am still new to linux and not sure what to do to solve this situation. I try to update the repository with the command: sudo apt-get update but it returns this error: W: Impossibile recuperare ...
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2answers
124 views

How to install MariaDB on Ubuntu 14.10?

After unsuccessful installation of the latest version of MariaDB through repository that is offered by official page (for Ubuntu 14.04) I've tried to install mariadb-5.5 which is already included in ...
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29 views

I cannot open exe files

I have tried installing wine but this fails. I use, sudo add-app-repository ppa:ubuntu-wine/ppa Then sudo apt-get update Finally sudo apt-get install wine1.7 winetricks It ends up by saying error ...
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2answers
26 views

Way to get apt-cache search to work as well as Synaptic search?

Say I want to uninstall the Dash item "Ubuntu Software Center". To uninstall it via CLI, I have to know what the .deb package is called. So I apt-cache search ubuntu-software-center but the only ...
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1answer
69 views

Software updater shows updates but not apt-get

This popped up: When I run apt-get in a terminal, however, I get: sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done ...
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2answers
111 views

How can I find out if there is actually a cuda-toolkit-6-0 or similar in the apt-get repository (it should exist, but apt-get doesnt see it)?

On my NVidia Jetson TK1 I ran this command: sudo apt-get install cuda-toolkit-6-0 But got this output: Reading package lists... Done Building dependency tree Reading state information... ...