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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Failed to fetch http://extras.ubuntu.com/ubuntu/dists/vivid

In Ubuntu 15.04, I'm getting this after doing sudo apt-get update: W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/vivid/main/binary-amd64/Packages 404 Not Found W: Failed to fetch ...
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30 views

Ubuntu 14.04 : Installing cuda 7

I am following the procedure given here : http://www.r-tutor.com/gpu-computing/cuda-installation/cuda6.5-ubuntu However, after I do sudo apt-get install cuda I get the following message: You might ...
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19 views

Apt-get update and software updater not working, no sound through headphones

I'm currently having a plethora of issues with Ubuntu 14.04 on my ASUS laptop: The first thing I've noticed was that I could not get sound through my headphones. I tried many things such as ...
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0answers
8 views

System starting with errors after VirtualBox4.3 install

I just did something really stupid while installing VirtualBox4.3 using deb file from their website. I have an intel notebook but when I downloaded the file I think I somehow downloaded an amd package ...
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23 views

Problem in updating

Whenever I try to update my system I get these error messages: W: Failed to fetch http://dl.hhvm.com/ubuntu/dists/trusty/InRelease Unable to find expected entry 'main/source/Sources' in Release file ...
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1answer
33 views

unable to install vim

I am using Ubuntu 12.04 and when I try installing the vim editor with: sudo apt-get update sudo apt-get install vim I receive the error: THE PACKAGE VIM HAS NO INSTALLATION CANDIDATE. I have even ...
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2answers
16 views

apt-get paralyzed by failed dropbox install

I tried to install dropbox on my system (Linux Mint 13). apt-get proceeded to download the 'dropbox' package. It says it installed it properly, but if I try to run dropbox from the GUI, it does not ...
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17 views

Can not download or install anything

When updating ubuntu I gotan error and system crashed. Everything has updated after reload but I seem to have lost permissions and keep getting a system error. I've tried updating but; This is what I ...
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23 views

Arduino 1.6.1 installation

I unpacked the Arduino archive. I have jdk, jre installed properly. When I am trying to launch Arduino 1.6.1 IDE I get the following error and I have no idea where to start from to solve it. Any ...
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2answers
27 views

How can I check how much space specific packages occupy?

I maintain a list of packages I installed on my system (using apt-get). I would like to know how much space these packages occupy, together with their dependencies if possible. Can I use some tool ...
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21 views

Fix update ubuntu 14.04

I'm trying to update my system with apt-get update. But is not working. I noticed that he is trying to access a non-existent address http://archive.ubuntu.com/ubuntu/dists/trusty/InRelease. I checked ...
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18 views

How do I remove W: Duplicate sources.list entry [duplicate]

W: Duplicate sources.list entry http://download.opensuse.org/repositories/home:/osmc/xUbuntu_14.04/ Packages ...
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9 views

Upgrade from 12 to 14 failed with missing python package, now what?

do-release-upgrade aborted deep in the process. The main log file ends with the following. How do I recover this system? (The apt.log file seems boring). 2015-03-28 08:30:32,930 INFO Using config ...
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0answers
12 views

ubuntu machine had postgresql folder blown away manually

i have a machine where a user deleted their postgresql folder from the command line in an attempt to uninstall postgres. when they go into the Ubuntu Software Center, they are continuously prompted ...
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0answers
13 views

Packaging an app that uses autotools

Hopefully someone can help me, I maintain a ppa and lately I've been trying to package a few apps which utilize autotools in their source. I've tried various different configurations in my debian ...
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1answer
27 views

Uninstall libav packages after re-installing from source

I'm running kubuntu 14.04 and don't plan on upgrading until at least these summer holidays. The libav packages provided are somewhat outdated (two major versions behind) and produce unsatisfying ...
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1answer
211 views

What is apt-file update?

I was following these instructions and I have installed apt-file along with some other packages using: sudo apt-get install gnupg pbuilder ubuntu-dev-tools bzr-builddeb apt-file And now every time ...
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1answer
15 views

Lubuntu: Apt-Get Can't Find GCC

I'm trying to install gcc so I can compile the no-ip client. When I try to use apt-get, the command returns: unable to locate build-essentials What is the correct apt-get install package command to ...
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2answers
22 views

ia32-libs-gtk package not found

Though I searched a lot and there are lots of thread about ia32-libs-gtk but nothing seems to solve the problem. when I ran sudo apt-get install ia32-libs-gtk it says unable to locate. i want to ...
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1answer
25 views

What is the correct address for precise/12.04 restricted, multiverse and universe ppa?

I am running Ubuntu 12.04. When I run sudo apt-get update now I get the following errors at the end: W: Failed to fetch ...
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0answers
13 views

dpkg: error processing procps (--configure)

How can I fix this issue? user@server:/var/lib/dpkg/info$ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done The following packages ...
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0answers
32 views

Udev and systemd are broken any help would be appreciated

I cannot configure udev or systemd cam@banowsky:~/rails/lo/db$ sudo dpkg --configure udevSetting up udev (219- 4ubuntu10) ... update-initramfs: deferring update (trigger activated) insserv: ...
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2answers
15 views

Installed phpunit using composer but still says to install using apt-get

I have installed composer globally on my Ubuntu12.04 machine. I can confirm it because it is in the ~/.composer/vendor directory and is included in global composer.json. My problem is whenever I try ...
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30 views

Why can't I install mono-complete?

When I try to install it, the following result comes up: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may ...
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0answers
15 views

How to keep terminal for installation of debugging symbols of apport's local investigation alive?

apport allows to investigate crashes locally and to either start a gdb session, get a backtrace or install debugging symbols in that local investigation. When choosing the latter a gnome-terminal is ...
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11 views

Error when attempting to update Ubuntu 14.04

I am using Ubuntu 14.04.When I attempt to update: sudo apt-get install -f I see this error: kg-deb: error: subprocess paste was killed by signal (Broken pipe) Examining /etc/kernel/postrm.d . ...
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31 views
+50

Why no TCP_HITS using squid-deb-proxy

I've followed all the advice here and the server log file updates when I do an update on another computer on the network. However, I never see any TCP_HITs. I even grepped for them. This is some of ...
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2answers
37 views

apt-get update doesn't work gives an error

Errors were encountered while processing: /var/cache/apt/archives/libsdl2_2.0.3+z4~20140315-8621-1ppa1trusty1_i386.deb ...
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0answers
18 views

apt-get should not download packages that are locally available

I am trying to install some packages. I have already downloaded the .debs to my local repo and apt is aware of it since apt-cache policy shows the package, but when trying to install the package, it ...
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3answers
76 views

What does apt-get install pkg -y do?

Using apt-get install pkg, you can specify a parameter -y. What does -y do?
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0answers
27 views

Problem installing apache 2 in ubuntu 14.04: dpkg:- error processing package javascript-common (--configure):

I was trying to reinstall my apache 2 after un-installing it. But on installing it using command- sudo apt-get install apache2 i am getting error- rahul@rahulpc:~$ sudo apt-get install apache2 ...
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0answers
18 views

unable to install gnome-shell and i also dont have unity

$ sudo apt-get install gnome-shell [sudo] password for dheeru: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. ...
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32 views

to install numpy i get the following error of unmet depedency

While installing the numpy of python I get the following error: Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f ...
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2answers
32 views

Which is actual difference between package update and security updates?

This is probably a real noob question... I would like to understand what the "updates" alerts I get when logging onto my Lubuntu box actually mean. When I read: 35 packages can be updated. 22 ...
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27 views

apt-get update error on domain http://ubuntu.mirror.pop-sc.rnp.br

I have trouble with apt-get update command. As I was doing apt-get update, it always stuck with anything with the domain http://ubuntu.mirror.pop-sc.rnp.br I have already tried modifying the source ...
0
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1answer
14 views

Can't install prozilla on ubuntu gnome 14.10

i am getting this error while installing prozilla: (Reading database ... 100% (Reading database ... 154269 files and directories currently installed.) Preparing to unpack ...
5
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2answers
184 views

Consequences of using apt-get in ubuntu touch

I have just received my BQ Aquaris E4.5 Ubuntu edition. I have been playing around with it and find that it is just what I expected it to be. One of the great things about it is a full ubuntu stack, ...
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93 views

Failed to add GPGKEY at http://cuda-repo/repos/GPGKEY to apt keys

I am trying to install JetPack-1.1.0 to my Ubuntu 14.04.2 x86_64 laptop. When the installation was at between %80 and %90 it warned me for installation of cuda-toolkit-6-5 cuda-cross-armhf-6-5 failed. ...
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2answers
50 views

/usr/bin/dpkg returned an error when remove & install broken packages

I tried to remove unstable openoffice and reinstall libreoffice however I accidently removed directory of openoffice under /opt before I purged it. Now I cannot clean the broken package, and cannot ...
0
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1answer
36 views

apt-get update: Clearsigned file is not valid, got 'NODATA'

I'm getting the following error on running sudo apt-get update : sudo apt-get update Get:1 http://dl.google.com stable InRelease 100% ...
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0answers
46 views

apt-get errors with Google Chrome

I'd have the following errors every time I try apt-get command: It appears to be a problem with Google Chrome, but I don't know to remove or fix it. Reading package lists... Error! W: Duplicate ...
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0answers
31 views

Unable to install package

I'm trying to install a few packages, the command is : sudo apt-get install nginx-extras passenger But I'm getting an error afterward: Reading package lists... Done Building dependency tree ...
1
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1answer
19 views

After installing Dart commands like pub, dart2js are not found

I've installed Dart according to instructions from the official website (https://www.dartlang.org/tools/debian.html). To be more exactly: $ sudo apt-get update $ sudo apt-get install ...
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0answers
44 views

Ubuntu apt-get update/ install issues [duplicate]

I am having issues with ubuntu running on EC2. Whenever I try to update any package it shows some kind of log and stops in the middle and if I run the update process again it tells me "Could not get ...
0
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0answers
55 views

What is sudo apt-get install libc6…? [duplicate]

I'm having a problem here. I need to install DDD in Ubuntu 14.04 64-bit, but something is not working. I downloaded it and installed it, but when I want to run a program in Terminal, it shows me a ...
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0answers
20 views

An error occurred, please run package manger from the right click menu ubuntu 14.04 LTS

I'm "really" new to Linux. Now that I'm getting going with Ubuntu and trying things out, some things just aren't working. I see a red circle with a dash in it that says for me to run apt-get to see ...
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2answers
303 views

Update failing for Google Chrome

Software update is failing at Chrome: Reading package lists... Done W: GPG error: http://dl.google.com stable Release: The following signatures were invalid: BADSIG A040830F7FAC5991 Google, Inc. ...
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votes
1answer
18 views

not able to install samba

I am not able install samba. When i am try to install samba by this command 'sudo apt-get install samba4' then it's give below error. ERROR: Invalid smb.conf /var/lib/dpkg/info/samba4.postinst: 14: ...
3
votes
1answer
52 views

What does linux-headers-`uname -r` do?

What does the following command do? sudo apt-get --reinstall install linux-headers-`uname -r` sudo executes the statement with eleveated privledges. apt-get is a command to retrieve a specific ...
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0answers
19 views

i'm trying to update my nvidia driver but i keep getting this error

$ sudo apt-get install nvidia-340 Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer ...