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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Adding git repositories to python 3 interpreter

I am working with Ubuntu 14.4 Trusty Tahr LTS on EC2. I want to use the Python 3.4.0 interpreter which is installed by default. I want to be able to be able to add git repositories to be accessed by ...
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2answers
124 views

Why my kernel is not the latest for 14.04?

My kernel is currently Linux scv 3.13.0-34-generic #60-Ubuntu SMP Wed Aug 13 15:45:27 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux But I know it should be 3.13.0-45-generic #74 Why is it not updated by ...
3
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1answer
55 views

Help: “aptd” is maxing out my CPU?

I am running Ubuntu 12.04 and have a "aptd" process running as root (which I understand is correct) but eating 95% CPU (which is definitely not right). As per one of the answers here How to stop ...
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1answer
23 views

Unable to update ubuntu 12.04: GPG error : the public key is not available: NO_PUBKEY 3EF2666A18CEC0F6

W: GPG error: http://download.opensuse.org Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3EF2666A18CEC0F6 W: Failed to fetch ...
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0answers
28 views

unable to install google chrome on ubuntu 12.04 [duplicate]

i am new on ubuntu and was trying to install dropbox from software center it took long and mean while my computer got powered off and the i restarted my pc and went to software center it showed the ...
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0answers
12 views

Reinstallation of ubuntu causes install option to disappear

I reinstall ubuntu on my machine which causes removal of install option in software center. There are tons of answers available regarding this, I have tried most of them but unable to solve my issue. ...
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0answers
9 views

On Ubuntu 13.04 cannot download openvpn [duplicate]

Need to download the openvpn client but get an error whether I try with synaptic manager or by the 'sudo apt-get install openvpn' from a terminal.... The error in the terminal is: E: Unable to locate ...
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0answers
25 views

Problems opening frescobaldi on Ubuntu 14.10

I had frescobaldi installed on my machine running Ubuntu 14,10. I wanted to upgrade to the currrent version of that program and attempted to do so using the source code on their website. Now when I ...
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0answers
18 views

fresh install of Ubuntu 12.04 server addition, error: Depends: liberror-perl but it is not installable [duplicate]

I just downloaded an iso of 64 bit Ubuntu 12.04 Server (ubuntu-12.04.5-server-amd64.iso) and installed in a VMware VM. After installation finished, I attempted to install git with sudo apt-get install ...
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0answers
14 views

A huge apt log file from failed upgrade - what went wrong & how do I fix it?

When attempting to upgrade from the 12.04 to a newer LTS it seemed to hang for ages (a good day or two) on "preparing for upgrade" and then the whole system started to suffer. Eventually I rebooted ...
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1answer
48 views

Software center crashes on Ubuntu 14.04

After I run the software center in terminal it says: bizara@BlackHole2:~$ software-center 2015-02-24 19:27:53,480 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None' 2015-02-24 19:27:54,828 ...
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0answers
14 views

apt-get: How to remove stored action

Following apt-get purge gridengine-client gridengine-common gridengine-exec, aptitude search grideng shows: ong11:~# aptitude search grideng pi gridengine-client - Utilities for Grid Engine ...
0
votes
1answer
21 views

Apt-get update comes up with "Sources list couldn't be read [duplicate]

I tried to update the packages through the terminal and I get this error every time, david@david-Satellite-C55-B:~$ apt-get update E: Type ' Now the Software center doesn't work and I have a warning ...
0
votes
1answer
17 views

Can't understand difference between liblapack3 and liblapack3gf

I need to install the lapack library in an ubuntu computer for linking to a code I am developing. I have been told to apt-get install liblapack3, but the only one I found is liblapack3gf. My list of ...
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0answers
15 views

How Can Solve VLC Installation [duplicate]

I am Using Ubuntu 14.10! VLC is My Default media player! But all on a sudden I found that the player has been This error could be caused by required additional software packages which are missing or ...
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0answers
13 views

Xubuntu -f install problems seems to be causing many problems

When I try to do anything in terminal I get a with -f install. this pops up: $ apt-get -f install E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) E: Unable to lock the ...
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1answer
55 views

sudo apt-get install php5-imagick gives “404 Not Found” error and “E: Failed to fetch …” [duplicate]

Running: sudo apt-get install php5-imagick failed, and produced output including this in the middle: Get:7 http://us.archive.ubuntu.com/ubuntu/ trusty/main libavahi-common3 amd64 0.6.31-4ubuntu1 ...
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0answers
144 views

How to fix unmet dependencies when upgrading? [duplicate]

I'm running Ubuntu 14.04.2. After installing some programs this weekend --and perhaps having been too incautious with ppa's and/or the apt-get autoremove option-- I seem to have unmet dependencies ...
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0answers
12 views

Is there a way to configure Ubuntu to auto-select doc and devel packages?

Quite often, software comes in multiple packages: The binary package, i.e. foo The documentation package, i.e. foo-doc The developer package, i.e. foo-devel (i.e. if foo is a library) For example, ...
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2answers
54 views

How do I install linux headers when I am getting a “has no installation candidate” error

Primary Problem I am unable to run any virtualization software. Namely Vmware or Virtualbox. Since both of them asks me to install (or produces some error which pints to ) installing build essentials ...
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1answer
40 views

cannot upgrade Kubuntu 14.10

I have Kubuntu 14.10 with Linux desktop001 3.16.0-30-generic #40-Ubuntu SMP Mon Jan 12 22:06:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux kernel and when I issue command for system upgrade: clear ...
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2answers
57 views

Error message + Ubuntu Software Center down

I'm new to Ubuntu, and despite all what I could read, I cannot find, or I'm just unable, to fix my problem. In the upper right corner of the screen I have a "stop" sign, that says: An error ...
0
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1answer
25 views

Does installing a deb file add to repository list? [duplicate]

For example I want to install Google Chrome via deb file. Will it be added to my repository list for apt-get update and apt-get upgrade? If not, how would I go about updating it and other software ...
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2answers
38 views

npm unresponsive after nodejs install on fresh Ubuntu 12.04.5

Here's where I'm at... I have an old chromebook that I put Ubuntu (and Xfce) on via crouton. After installing the chromium browser, I installed nodejs via apt-get. I found that when trying to install ...
1
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1answer
149 views

Packages are broken with unmet dependencies - cannot install fglrx

I'm new to Ubuntu and trying to survive, but, I can't figure this one out - hopefully it's easy! Ubuntu Software Center says: New software can't be installed, because there is a problem with the ...
4
votes
1answer
225 views
+100

Can't install libglew-dev because libcheese and libclutter don't have the required versions

I'm getting the following error message when attempting to install libglew-dev, Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not ...
0
votes
3answers
62 views

Accidentally installed Lubuntu and want to revert to Ubuntu

I am using Ubuntu 14.04.1 which is a fresh install of about one month old. I was trying to get 5.1 surround audio to work so I followed the instructions here which suggested the following commands: ...
0
votes
1answer
38 views

apt-get update says I have not permission [duplicate]

lately whenever i try to update through the terminal I get this message E: could not open lock file /var/lib/apt/lists/lock - open (13: permission denied) E: unable to lock directory ...
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0answers
19 views

Error in Installing RevKit

@ubuntu:~$ sudo apt-get install build-essential cmake python-dev ipython python-qt4python-numpy Reading package lists...Done Building dependency tree Reading state information...Done Package ipython ...
0
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1answer
57 views

Can't install package bcmwl-kernel-source package [duplicate]

Need to get my wireless network adapter working on Ubuntu 14.1, but when trying to install the required package bcmwl-kernel-source, the "apt-get install bcmwl-kernel-source" installation command ...
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1answer
11 views

Install munin via apt, without apache

Is it possible to install Munin via apt without apache ? I'm using already nginx, and it makes for me no sense to run a second web server, even as proxy.
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0answers
11 views

Unknown / Unexpected /Unseen apt-get update error (Ubuntu 14.04)? [duplicate]

I am getting error while sudo apt-get update Could not open file /var/lib/dpkg/status open (2: No such file or directory) Can't call method "policy" on an undefined value at ...
1
vote
1answer
85 views

How to fix Ubuntu 14.04 update problem?

I am trying to update my Ubuntu 14.04 (64 bit) and the software updater shows this error: Check if you are using third party repositories. If so disable them, since they are a common source of ...
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2answers
25 views

Single list item stopping package manager

Full error log: starts here: E:Unable to parse package file /var/lib/apt/lists/ubuntu.c3sl.ufpr.br_ubuntu_dists_trusty_universe_i18n_Translation-pt%%5fBR (1), The item above is from universe and ...
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0answers
23 views

E: Package 'python-numpy' has no installation candidate

When running sudo apt-get install python-numpy I am getting this error : Reading package lists... Done Building dependency tree Reading state information... Done Package python-numpy is not ...
2
votes
1answer
187 views

Problem installing Broadcom BCM43142 on HP Pavilion 15-p073TX NB PC

I know this sounds similar but my problem is unique. I have a new HP Pavilion 15-p073TX NB PC. Recently I installed Ubuntu 14.04.2 but was not able to start WIFI. I searched a bit and got some answers ...
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0answers
40 views

U 14.04.1 won't load Unity either Terminal or anything at all but the Desktop Background

The problem occurred after installing some updates. The reason for this action was because I wasn't able to install most of the packages I tried to using apt-get and there was suggestion that this ...
1
vote
1answer
102 views

Can't get rid of GPG error in apt [closed]

Before you mark this one duplicate hear me out: When I run sudo apt-get update I'm getting the following classic error: W: GPG error: http://de.archive.ubuntu.com trusty-updates Release: The ...
-1
votes
2answers
583 views

Steam Install Error on 14.04 Ubuntu 64bit

I have tried some of the solutions posted elsewhere in the support forum, one seemed like it worked but after a steam update i found myself back at square one I am a new Linux user and am already at ...
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0answers
940 views

Unmet dependences! when install Cuda 6.5 on a freshly installed ubuntu 14.04

I follow the tutorial here to install Cuda 6.5, and when I try apt-get install cuda, I get the following errors: The following packages have unmet dependencies. libcheese-gtk23 : Depends: ...
-1
votes
1answer
40 views

How to fix GPG error on Intel Linux Graphics Installer?

I'm trying to use Intel Graphics Installer, but i get the following error: E:GPG error: http://ppa.launchpad.net trusty InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require ...
0
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0answers
18 views

Why Does “apt-get install npm” Remove A Bunch Of Plesk Files?

See: root@iandpdev2:~# apt-get install npm Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: gyp ...
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0answers
17 views

Installed NPM w/ apt-get, Now 502 Bad Gateway

Installed NPM with Apt-Get, now nothing works. 502 bad gateway error from NGINX on all sites on server. It removed a ton of Plesk packages for some reason. I didn't expect it to break my entire ...
2
votes
1answer
53 views

Affect to Applications caused by Security Updates?

I want my Server to run "unattended-upgrades" regularly and Keep my server auto update and install only security Updates. But I have a problem, that I don't want to update the main version of few ...
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0answers
37 views

Software Center not functioning, not installable, and not removable, with a persistent live USB in 14.04

I'm using a persistent live USB to run 14.04. I used Ubuntu Software Center a few times to download software, but suddenly it stopped working. The logo is still there, but when I click on it the ...
0
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1answer
26 views

How does the fallback mechanism of apt update work in case of connection problems?

While installing the updates today, I noticed this: Get:15 http://in.archive.ubuntu.com/ubuntu/ trusty-updates/main libdns100 i386 1:9.9.5.dfsg-3ubuntu0.2 [626 kB] Err ...
1
vote
1answer
32 views

Unable to locate package lighttpd1.5

I try to install the issue tracking tool youtrack and the installation instruction recommends lighttpd 1.5 with it. sudo apt-get install lighttpd Will only install version 1.4 – for 1.5 I followed ...
0
votes
1answer
41 views

Apt-get fails to upgrade “python-samba” on Ubuntu 14.10

I've already searched on google, but I haven't found a solution that works for me yet. As I recently booted into my Ubuntu GNOME 14.10 (I have set up a dual boot with Windows 8.1 on a second ...
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0answers
38 views

How to reinstall unity

I accidentally seem to have removed compiz and unity with by typing sudo apt-get install -f here is the output: The following packages were automatically installed and are no longer required: ...
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1answer
27 views

Installing Different Versions of a Package

I am trying to use apt-get to install a specific version of amsynth. If I simply do sudo apt-get install amsynth It installs version 1.3. However I would like to install version 1.4. After searching ...