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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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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35 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
23 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
43 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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0answers
51 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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0answers
32 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
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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
19 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
163 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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0answers
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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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0answers
35 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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0answers
64 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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0answers
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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0answers
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
36 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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0answers
36 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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34 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
23 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 ...
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1answer
40 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
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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
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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
40 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
29 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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0answers
9 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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0answers
36 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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0answers
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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
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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
70 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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0answers
41 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 ...
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1answer
14 views

Is it possible to configure compile option for libs installed from apt-get?

After installing wxwidgets by running sudo apt-get install libwxgtk3.0-* I wanted to compile opennx against it. However, I received a message Your wxWidgets does not provide the required ...
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1answer
52 views

Unable to find expected entry 'restricted/source/Sources' in Release file [duplicate]

I am unable to view any screen in my ubuntu, Also, when i do apt-get update. I get below errors :- Failed to download repository information. Check your internet connection Details W:Failed to ...
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0answers
62 views

Can't reinstall Banshee?

So, I had Banshee because of dependencies issues and now I can't reinstall the player from Guake or Synaptic Package Manager. error from Synaptic: banshee: Depends: libglib2.0-0 (>=2.44.1) but ...
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1answer
14 views

Turning off SSL certificate check when adding PPAs

I'm on an enterprise network where my traffic is man-in-the-middled. With pip I'm able to do --no-check-certificate. How can I do this for adding PPAs?
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1answer
19 views

can't resolve 'ph.archive.ubuntu.com'

I am trying to install cmake and it said try running sudo apt-get install cmake. Then I entered Y but after a while the terminal displayed can't resolve 'ph.archive.ubuntu.com'. Is there really an ...
1
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1answer
30 views

Connection failed on Ubuntu using x2go

Hello I encountered on my x2go when trying to remote the ubuntu server **Connection Failed.** perl:warning: Setting locale failed. perl:warning Please check that your locale settings: LANGUAGE = ...
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26 views

Reg installing packages on Ubuntu 15.04 Vivid vervet

I have installed Ubuntu 15.04 on my PC. I am using this PC behind corporate firewall. I am not able to install any package from terminal.when I run sudo apt-get install git I am getting the error ...
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0answers
16 views

How to hide/disable “packages have been kept back” list

I'm on Ubuntu Server 14.04.2, and when I run sudo apt-get upgrade I get: Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The ...
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1answer
45 views

Two 14.04.2 LTS installations, different kernel versions?

I have two installations of Ubuntu server 14.04.2 LTS, both installed from the same media (I just checked - the DVD used for both is still on the drive of one of them), but a couple of months apart. ...
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1answer
36 views

Why can I no longer (un)install packages via apt-get after doing a partial dist-upgrade?

I (stupidly) ran sudo apt-get dist-upgrade, which partially succeeded, but now I get output similar to this every time I try to (un)install a package: Here, for instance, is the output of sudo ...
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rpy2 installation errors

I am trying to install rpy2 but keep running into installation errors. I have found another post that had similar problems: ...
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11 views

Why am I being repeatedly asked for swap partition password when apt-get upgrade?

I installed recent kubuntu on a laptop, and choose to encrypt / and swap. Works fine. But very often, when I do apt-get upgrade, I get questions about password for swap partition. I could understand ...
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0answers
55 views

Why Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/InRelease if I have ping?

I am trying to update an ubuntu 14.04 server and have my dns config ok because I can ping us.archive.ubuntu.com so I dont know what is happening here. This is my /etc/network/interfaces file: auto ...
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1answer
18 views

How to upgrade slapd to 2.4.40?

I just found out, that connecting via the LDAP API like this sudo ldapsearch -Q -LLL -Y EXTERNAL -H ldapi:/// -b cn=config dn has a bug on Ubuntu 15.04 vivid/openldap-2.4.31. But fortunately, on ...