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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Can't exec “locale”: No such file or directory at /usr/share/perl5/Debconf/Encoding.pm line 16

Please help me this is a problem Can't exec "locale": No such file or directory at /usr/share/perl5/Debconf/Encoding.pm line 16. Use of uninitialized value $Debconf::Encoding::charmap in scalar chomp ...
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Why i can't install nucurses-dev package on ubuntu 3.8.0-19 generics?

When I rum the command apt-get install kernel-package ncurses-dev bzip2 error occurs as E:Unable to locate package kernel-package E:Unable to locate package ncurses-dev
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1answer
17 views

How to add the source packages on launchpad to my PPA?

I have a working project on launchpad, with generation of packages for three version of Ubuntu distribution and all is fine there. However, I cannot find the option to tell launchpad to put the source ...
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9 views

Extras vs Backports

What are extras in the context of software sources ? How do they differ from backports ? [ This is only to let me pass the minimum length constraint ]
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17 views

Why my profile directory contents (/home/subbaiah/<Allfolders>/*.* ) deleted? [closed]

E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/dl.google.com_linux_chrome_deb_dists_stable_main_i18n_Translation-en, E:The package lists or status file ...
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23 views

Unable to Boot After removing Old Kernels

I removed old linux-image and linux-header files to free up space in /boot. I did this first by purging them in terminal, and when I noticed some issues with how the the operating system performed, i ...
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2answers
35 views

Can't remove steam

I'm running Ubuntu 14.04. I tried to install steam from the .deb from the steam website (steam_latest.deb) and this didn't work; I installed later with apt-get install steam (along with the 32 ...
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16 views

Should I install packages when alerted another package depends on it for installation?

I've been installing libraries to get Google Earth to run on Ubuntu 14.04 64bit. I got a list here, but this was returned when I entered it: The following packages have unmet dependencies: ...
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25 views

Unable to upgrade 15.04

I'm currently trying to upgrade to latest version of Ubuntu, but when I run: sudo do-release-upgrade I get this error message: Could not calculate the upgrade An unresolvable problem occurred ...
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2answers
65 views

After removing a package, more packages are removed

After I type in my shell: sudo apt-get --purge remove openssl I got more than just openssl packages removed, why? Below is partial output: (Reading database ... 400426 files and directories ...
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1answer
65 views

Banshee installation, unmet dependencies

I am running ubuntu 15.04 on a Lenovo yoga 3 pro I'm having trouble installing the banshee media player. When I attempt to install via the Software Center, I get the following notification: The ...
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1answer
25 views

NLTK, installed in python 2.7 but not working in python 3.4

I just installed nltk when my default python was the 2.7 version, now when i open the python3 (3.4 version), i cant import nltk, is there any solution to this, to make nltk available for both versions ...
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22 views

Install all recent packages installed on other computer.

I have some package installed on a computer. I want to install similar packages for other computer. I can list down all recent packages with this command cat /var/log/dpkg.log | grep "\ install\ " ...
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Install Multiarch Libraries Simultaneously

I want to install both the amd64 and the armhf version of the library libcrypto++ on my pc for cross compilation. Is it possible to do that so that both libraries are present on my Pc at the same ...
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5answers
77 views

Is apt-get upgrade a dangerous command?

When I use apt-get update and apt-get upgrade,there are some packages should installed in newest version,like below: The following packages will be upgraded: accountsservice apparmor apport apt ...
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44 views

Broken package ubuntu-keyring (ubuntu 15.04 64 bit)

I've tried to reinstall ubuntu-keyring, because i couldn't fix some GPG errors, but the apt system has failed, Now, i can't even upgrade or install anything. i tried i lot of things such as : sudo ...
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1answer
20 views

How do I remove an update link from my terminal? [closed]

I found this guide called 'switching from LightDM to MDM,' and it was a nightmare when I had to uninstall it because of a black screen I got when I logged in. Now I have removed the packages that were ...
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1answer
24 views

Does anybody know how I might fix this error? (Mainly how to fix broken packages in linux)

Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created ...
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1answer
24 views

Why am i getting the error message “package 'owncloud' has no installation candidate?”

I am attempting to install Owncloud to Ubuntu server 14.10. I am using the code: sudo sh -c "echo 'deb http://download.opensuse.org/repositories/isv:/ownCloud:/community/xUbuntu_14.10/ /' >> ...
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20 views

Download from a new repository without modifying /etc/apt/sources.list

I'm am currently using heroku, and I am trying to install a package from a non-standard repo (https://github.com/openalpr/openalpr/wiki/Compilation-instructions-(Ubuntu-Linux)) I have had no issues ...
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2answers
47 views

Cant purge nvidia-331-updates

Just cant install/purge/update ANYTHING because apt-get tells me it MUST DELETE nvidia-331-updates before that. Purging/installing/deleting nvidia-331-updates fails with a message from dpkg. Removing ...
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63 views

Schemas missing - Unity Tweak Tool

I understand this is very similar to this question and this one, but none of the answers there have worked for me. When trying to install the packages mentioned in those questions, apt-get throws up ...
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33 views

Ubuntu 14.04 - E: Read error - read (5: Input/output error)

since last week i'm experiencing the following error: > Reading package lists... Done Building dependency tree > Reading state information... Error! > E: Read error - read (5: ...
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1answer
19 views

Partial distribution upgrade 14.01 to 14.10 lost permissions to do anything

My WiFi went down as I was upgrading. Now, when I try to update software, I get an error message stating that I am not authorized to install or uninstall software. I cannot access synaptic. I searched ...
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2answers
20 views

install wikidpad

How can I install WikiDPad? I know I have ran it before on ubuntu 14.10 and now I want to run it on 15.04. I have looked for .debs or a ppa for it but I don't know whether to trust the sources that I ...
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2answers
198 views

Why is python-pip kept back in Ubuntu 14.04?

When I upgrade these days, I get this message: $ sudo apt-get upgrade -y Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done ...
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14 views

trying to import GPG key to launchpad

i am totally new to ubuntu and i want to get involved in development process. I went through the processes of setting up my pc according to the requirement and i am struck at uploading GPG key to the ...
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45 views

WiFi still not working on Lenovo G50-30 after execution of blacklist & ppa:hanipouspilot

I'm trying for 2 days to get my WiFi connection working on the Lenovo G50-30. In different forums in French, English and German, I found several commands for the WiFi: sudo modprobe -r ideapad-laptop ...
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80 views

Issues installing dropbox in ubuntu 14.04

I'm absolute beginner in the Ubuntu universe. I come from Win7. I installed Ubuntu yesterday and I need some basic applications like dropbox. In a first instance I installed it from the software ...
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19 views

problem removing mysql

I am getting this error: E:Sub-process /usr/bin/dpkg returned an error code (1) At the end when i try uninstalling mysql using the command: sudo apt-get remove –purge mysql-server mysql-client ...
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15 views

unable to run metasploit

I installed metasploit on my system using the .run file from the official site. I also installed the dependencies using apt-get. Now when I type msfpro in the terminal and hit enter, it displays the ...
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1answer
20 views

apt-get update very slow

I have no idea why or how to even begin troubleshooting, but running apt-get update is now taking forever, i.e., about 1/2 hour to list/run. I don't suppose there's a "debug" mode to see what's ...
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1answer
37 views

Fancy apt-get output

How can you have a cleaner and fancier output with or with out colors form apt-get not apt something like the yum update output
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1answer
17 views

Could not initialize the package information is not known on line 62 in source list /etc/apt/sources.list'

I am trying to access update manager, so I can update my Ubuntu but everytime I open it, it gives me Could not initialize the package information is not known on line 62 in source list ...
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39 views

Error using apt-get

Hi I am getting an error whenever I use using apt-get. For example, when I try sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done ...
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1answer
15 views

apt-file update

When I try and update my files using the command apt-file update in the terminal it starts to do so, until I get to a certain point then I get the following message: curl: (22) The requested URL ...
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36 views

Problems with sudo apt-get update

I am new to Ubuntu and I have a problem installing, updating, etc. a program. The VirtualBox network is NAT. The type of adapter is PCnet-FAST III (Am79C973). For example: :~$ sudo apt-get update ...
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1answer
27 views

How to forcefully remove wine with unmet dependencies that are not resolved by sudo apt-get -f install

Firstly, the unmet dependencies are not being met by sudo apt-get -f install The following commands were not successful for removing wine Optional, to remove Wine 1.7.45 and winetricks, open a new ...
2
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1answer
46 views

checkinstall / make does not work for the program razercfg that I wish to install

My goal is to change my mouse DPI. So any less frustrating solution is also welcome. I've already searched and read through the other topics about razercfg & many others trying to figure out how ...
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2answers
39 views

Questions about installing Ubuntu 14.04.2 server

I've got some question during the installation of Ubuntu 14.04.2 server. if I choose catalan as the language, when the installation finishes, the screen becames black and there is nothing to do. Is ...
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3answers
46 views

install postgres 9.4 on ubuntu 14.04-2

I need to install postgresql 9.4 server but I only can find version 9.3. wit apt. How can I install or upgrade it?
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2answers
41 views

apt-get exits bash script after installing packages

I have read the answers in this post but it doesn't seem to work for my problem. I am executing a bash script via stdin from wget: wget -O - http://serverip/subfolder/script | sudo bash I've tried ...
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1answer
38 views

Ubuntu Desktop 15.04 Installing openssh-server : missing dependencies

I recently installed Ubuntu Desktop 15.04 in a VM. I chose this version as opposed to using the Server image just to have a pretty GUI to click. Upon checking, there isn't an SSH server installed ...
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12 views

Can't install Cheese or OBS-Studio

I use Kubuntu 14.04 and I recently installed Wine and PlayOnLinux. I am trying to download OBS-Studio and cheese but it won't work. Before I downloaded Wine and PlayOnLinux cheese worked fine.I tryed ...
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37 views

Problem with umnet dependencies

I did a fresh installation of ubuntu 14.04, did updates and upgrades, when i tried installing softwares smplayer, synaptic package manager, ubuntu-restricted-extras, gdebi, etc.. getting a umnet ...
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1answer
13 views

Unmet dependencies after skype

I tried install Skype from deb-file, downloaded from Skype.com on my fresh Ubuntu 14.04. This attepmt caused an error: ... skype depends on libasound2-plugins. dpkg: error processing package skype ...
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9 views

Double-compilation when building package with pbuilder

I am creating a package using cmake. Everything works fine, although somehow, with pbuilder (and only with pbuilder), by program gets re-configured during make install. This can happen if a file or ...
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1answer
14 views

Type '}ckage' is not known on line 2 in source list /etc/apt/sources.list.d/mongo.list [duplicate]

I want to reinstall software center as I cannot open in. I used this command sudo apt-get update && apt-get install --reinstall software-center but this shows this- E: Type '}ckage' is ...
2
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1answer
78 views

Ubuntu 14.04: Cant run sudo apt-get update or install anything

Here is the error message I get when I run sudo apt-get update: W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/Release Unable to find expected entry 'restricted/source/Sources' in ...
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45 views

Ubuntu 14.04.1 LTS server can't get system updates or new applications/

I am running version 14.04.1 server with an ethernet connection to a ATT Uverse router. When I attempt to get an update, this is the response: john@MackHeath:~$ sudo apt-get update [sudo] password ...