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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Updating ubuntu requires changing the download server

So my Ubuntu 14.10 that I have installed on a laptop recently started to behave strangely. It fails to find any new updates while I see that my desktop Ubuntu 14.10 does get new updates about twice a ...
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1answer
16 views

get list of modified configs

How can I get a list of all modified configs (in /etc), i.e. configs which differ from the originally installed version, i.e. configs where an update would ask about how to proceed with the locally ...
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2answers
26 views

Failed in fetching updates/upgrade (Virtual Box)?

I'm running Ubuntu 12.04 Server (guest machine) on VirtualBox having Windows 7 as host machine. I tried to get updates through sudo apt-get update command but i end-up with the following error codes ...
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1answer
16 views

dpkg error while running apt-get autoclean

I was installing android studio through the terminal but I had to stop the installation by pressing Ctrl+Z. Now I am trying to run autoclean (after a restart) but it won't run.Why is this happening? ...
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2answers
8k views

Proxy authentication with terminal Ubuntu 14.04

I would like to access the internet to update files etc. from the terminal on a secured proxy network. I've already tried the following: Adding to /etc/apt/apt.conf, /etc/apt/apt.conf.d/01proxy, ...
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4answers
11k views

apt-get update only for a specific repository

When I add a ppa and I want to install some of its content is quite annoying to re-update all my apt list using apt-get update Is it instead possible to only sync the content of a given repository?
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18 views

apt-get, unmet dependencies, … “but it is not going to be installed”

$ apt-get install -f -o 'Dpkg::Options::=--force-confmiss --force-all --force-confnew --overwrite-conffiles' --reinstall at-spi2-core Reading package lists... Done Building dependency tree ...
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1answer
21 views

how to reinstall config files in /etc of a package [duplicate]

If I want to reinstall the configs of some package x (i.e. files in /etc), how would I do that? Does apt-get --reinstall install x always reinstalls the configs? Other answers suggest to remove the ...
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1answer
14 views

update-alternatives: error: alternative path … doesn't exist

$ apt-get install kde-plasma-desktop ... Setting up oxygen-cursor-theme (0.0.2012-06-kde4.8-2.1ubuntu1) ... update-alternatives: error: alternative path /etc/X11/cursors/oxy-white.theme doesn't exist ...
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0answers
15 views

how to fix-up system with old configs

My father, at the last dist-upgrade, decided to always choose to keep the old config when the system asked because it detected local modifications (which no-one really did do - I guess some tool must ...
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0answers
8 views

Right way to completely clean up old kernels in terminal

I have been going through various questions about how to clean up old Linux kernels. They all seem to have different answers and they are old, so someone is bound to say the question is too old and ...
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2answers
209 views

Installing rbenv apt-get vs git checkout

I'm finding confliccting advice on how to install rbenv (and ruby) in recent ubuntu versions (13.10). Many guides suggest cloning from git, and updating bashrc etc. For example this guide on ...
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1answer
3k views

How do I install no-ip DUC on ubuntu 14.04?

I want to install no-ip DUC on ubuntu 14.04. When I run the following command(as the guide says) sudo apt-get install noip2 I get the following error. E: Unable to locate package noip2 How can I ...
2
votes
1answer
410 views

disk full — deleting files does not work

My hard disk is so full that I cannot even download a 2 page pdf file from the internet. This is surprising because I don't have very much on this computer (just pdfs from work). More surprising is ...
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2answers
95k views

How do I search for available packages from the command-line?

I have successfully installed some packages using the command line 'sudo apt-get install ...' when I have known in advance that those packages are available. But how can I search for or get a list of ...
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0answers
8 views

postgresql-9.4-postgis-2.1 keeps trying to install postgres-9.3

After installing a new box and wanting to test Postgres 9.4 I decided to try to install Postgis through the Ubuntu repositories, annoyingly I am hitting a problem in that it is trying to add other ...
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4answers
6k views

Problem installing packages

I can't install any package, as I get this error: installArchives() failed: E: Cannot get debconf version. Is debconf installed? debconf: apt-extracttemplates failed: No such file or directory E: ...
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0answers
25 views

unable to install gnome and wine broken package in ubuntu 12.4

I have Dell Vostro 3443 laptop. It has a certified pre-install Ubuntu 12.04.2 LTS 64-bit by manufacturer. I have quite lot of software on it, updated using update manager. Now when I try to install ...
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1answer
3k views

Can't fix broken packages using Synaptic (Broken Package: Wine1.4)

Ok so I am trying to fix a broken package in order to install wine. When I do "sudo apt-get install wine" I get: sam@ubuntu:~$ sudo apt-get install wine [sudo] password for sam: Reading package ...
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1answer
18 views

Install Flex without removing other packeges?

I tried to install ettercap tool but it stops with error "configure: error: flex was not found, please install" so i tried to install flex using $sudo apt-get install flex command but it reports to ...
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0answers
34 views

tried everything on the fourms for this error (in desctription) [on hold]

E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it? I tried every ...
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1answer
3k views

How to install qt3-dev-tools package

I am using Ubuntu 13.10 and want to install qt3-dev-tools package. When i run this command sudo apt-get install qt3-dev-tools i am getting this error, E: Unable to locate package qt3-dev-tools ...
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2answers
14 views

cannot install php5-mysql

I have ubuntu 32bit server (14.04), running php5, I am trying to install php5-mysql but I get a dependancy error. How can i fix this? ~$ sudo apt-get install php5-mysql Reading package lists... Done ...
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1answer
10 views

dpkg --status package_name

I'm just playing around with Ubuntu 14.04.1 LTS. I installed emacs, and wanted to double check if it was. ~ 1496 $ dpkg --status emacs dpkg-query: package 'emacs' is not installed and no information ...
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3answers
82 views

The following packages have unmet dependencies!

I am writing this because I am very confused about installing postgresql 9.3 on mine Ubuntu 14.04. First I need it for mine Python/Django development, and I ran in to the problem, when i tried to ...
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3answers
248 views

How can I tell if a CVE has been fixed in Ubuntu's repositories?

Today a couple of buffer overflows in NTP were announced 1, 2. It looks like updating my system to fix these issues is in order. How can I find out if they have been fixed in the Ubuntu ...
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2answers
77 views

Why doesn't apt-get autoremove remove my old kernels?

My boot partition is on a SSD, so it doesn't have room for more than about 8 installed kernel versions, and eventually some kernel update will fail to install because my boot partition is full of old ...
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votes
2answers
33 views

Install program with different run name

I recently installed gfortran with apt-get install gfortran, but it turned out to be the latest version 4.9, which is not compatible with software that demanded gfortran in the first place. So I ...
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0answers
16 views

Enable to install anything after a XAMPP installation in 14.04 LTS

I'm new to Ubuntu 14.04 , i spent some time in it , all was fine till a XAMPP installation : so i can't install anything from command line or from Ubuntu Software Center ! I search a lot for a ...
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0answers
17 views

Ways to download Software through Apt for Extremely Slow Internet?

So I'm in a position where I have two internet connections in my house: Internet #1: caps out so quickly and throttles my internet so low that apt will always return a connection error should I try ...
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1answer
20 views

After apt-get autoremove my desktop style has changed

After doing apt-get autoremove my unity desktop is messed up. I have menus in the application title bar even though it is not set that way. My system font changed as well and program guis are styled ...
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1answer
46 views

Unable to reinstall MySQL

What I did before this error: I was trying to install mysql for registration in OpenMRS database and it was succesfully, but i forgot my password. And removed mysql packages, i was getting some errors ...
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0answers
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Ubuntu 12.04 Sudo apt-get update failing to fetch and unable to connect [on hold]

Failed to fetch http://extras.ubuntu.com/ubuntu/dists/precise/main/binary-i386/Packages Unable to connect to 192.168.1.5:6588: W: Failed to fetch ...
0
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1answer
25 views

MySQL messed up apt-get?

I tried to install MySQL for my localhost and I managed to break my dependencies, and I can NOT install anything I have tried: Purging MySQL commons, client, server, ect. Removing MySQL commons, ...
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0answers
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I tried sudo apt-get install, but then don't see the application — kindle paperwhite help?

my ultimate goal is to manage my kindle paperwhite with my chromebook, an acer c720p i don't think it's possible to mount a kindle paperwhite on just the chromebook. so i used crouton to install ...
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6answers
25k views

Not enough free disk space when upgrading

I'm getting an error in software updater when I try and do my daily updates. it says: The upgrade needs a total of 25.3 M free space on disk /boot. Please free at least an additional 25.3 M of ...
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5answers
18k views

Why is the “apt” command not found?

sudo: apt :command not found What does this error mean? The apt command is not working, and I've lost the Software Center.
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1answer
685 views

Problems with linux-headers and apt-get -f install

It has been a long time since I've asked for help, but I'm in dire need now. Some time ago, I set up a friend's computer with 10.04. He's still running it but somewhere along the way, he started ...
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1answer
30 views

The package information displayed by Ubuntu Software-Center is 17 days back and counting

While re-opening my Ubuntu 12.04 machine after a 2 weeks vacations, and successfully using the Update Manager to update my applications I see that The package information was last updated 17 days ...
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2answers
40 views

Difference between apt-get remove -y and apt-get purge -y? [duplicate]

apt-get remove <name of program> apt-get purge <name of program> and apt-get purge -y <name of program> Research indicates the running either "remove" or "purge" performs the ...
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2answers
33 views

How are Ubuntu packages structured? [duplicate]

When I download a package in Ubuntu, what files does it install on my system and where? I'm just curious about the package structure in general (I searched and it doesn't look like anyone's asked ...
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0answers
21 views

I'm Debian Wheezy user and I want to add wine ppa but there's some error [on hold]

I want to install wine 1.7 so first I add ppa using sudo add-apt-repository ppa:ubuntu-wine/ppa and sudo apt-get update but I can only meet ...
3
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2answers
4k views

Apt-get take long time to update\upgrade

On my work network any apt-get (or aptitude) commands take a very long time, it's look's like admins blocked some port for it (for unknown reason). For example sudo apt-get update take like 2 days ...
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1answer
68 views

How do I repair dpkg and apt-get?

Every time I do: sudo apt-get update && sudo apt-get upgrade I get all these with in the end the error reports: Ign http://nl.archive.ubuntu.com trusty InRelease Ign ...
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0answers
31 views

How to solve W: GPG error: BADSIG

i tried to install steamcmd, wich needs ia32-libs. So cuz this wasn't found, i did the following: cd /etc/apt/sources.list.d echo "deb http://old-releases.ubuntu.com/ubuntu/ raring main restricted ...
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0answers
17 views

I Have This Error And I Really Don't Know How To Fix Xubuntu 12.04

Hi I just encounter this problem when opening my update manager It is Impossible to install or remove any software. Please use package manager "Synaptic" or run "sudo apt-get -f " in a terminal ...
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0answers
33 views

Dependencies issues linux-image-3.13.0-43-generic

Was setting up Postfix but didn't get too far, because Ubuntu returned an dependencies error. Tried to fix this but I cant find the cause to the problem. dpkg: dependency problems prevent ...
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1answer
40 views

“ERROR MESSAGE: Requires installation of untrusted packages” [duplicate]

I'm running Ubuntu 13.04 in VirtualBox 4.3.20. I keep getting the error message shown in the title when I try to download anything in the Software Center. I tried changing servers in "Software and ...
0
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2answers
68 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
3k views

How to solve “Wrong sources.list entry or malformed file”?

I'm a new user of Ubuntu 13.10 so far so I don't have too much technical expertise. I recently tried to resolve a Skype installation issue and added some ppa involving binary-1386. Every time when I ...